How many institutions own WLK stock?

A company's 13F filings with the Securities and Exchange Commission (SEC) provides investors with comprehensive information about institutional ownership in a listed company, a sign of strength in terms of how many institutions have confidence in that company. The number of institutional investors who currently own WLK shares is 427, representing 34.16% of the company's common stock.

Who are the major shareholders selling Westlake Corporation stock?

PRINCIPAL FINANCIAL GROUP INC, in the last quarter, reduced its stake in WLK by -1.97% restricting it's holding to 74.11 thousand shares of worth nearly $5.71M. CERITY PARTNERS LLC also lessened -4.28% of the WLK shares from its portfolio, reducing its holding to 83.08 thousand shares of worth $6.40M. RHUMBLINE ADVISERS also shunned WLK shares holding by -1.95% last quarter which brought its holding to 88.86 thousand shares worth $6.85M.

Investors who are buying WLK stock?

As per its latest 13F filing, BNP PARIBAS ARBITRAGE, SNC increased its stake in WLK by 3% in the last quarter. The institutional holder raised its holding to 190.97 thousand shares having worth more than $14.72M. QUANTBOT TECHNOLOGIES LP also added 100% more shares of WLK to its portfolio, raising its holding to 56.79 thousand shares of worth $4.38M. JUMP FINANCIAL, LLC also increased its WLK shares holding by 100% which brought its holding to 77.89 thousand shares worth $6.00M.

WLK's major insiders: who are they?

The insider with the most stakes in WLK is TTWFGP LLC , 10 percent owner at the company. Additionally, WLK stock is highly held by Executive Chairman Chao Albert and EVP & CFO Bender Mark Steven among others.

Did an insider recently sell WLK stock?

Company executives, directors, and other insiders own 74.15% percent of Westlake Corporation's stock. Within the last six months, there have been 1 transaction(s) in which WLK insiders have sold stock, totaling 521 shares. Insiders that have sold shares include CHAO ALBERT, BUESINGER ROBERT F., and CHAO DAVID TSUNG-HUNG.

Which insider recently purchased WLK stock?

There have been 0 transaction(s) during the past 6-months in which Westlake Corporation insiders have bought stock, totalling 0 shares

How much of WLK does insiders own?

Around 627.72K Westlake Corporation shares are held by insiders, which represents about 74.15% of WLK stock.

Who is the insider with the largest stake?

WLK 10 percent owner, TTWFGP LLC holds the largest portfolio of the company's shares. WLK shares owned by TTWFGP total nearly 47.26 million.

Which institution holds the most shares in WLK?

BNP PARIBAS ARBITRAGE, SNC is the largest institutional owner in WLK which holds 190.97 thousand shares worth $14.72M or 0.15% of the total WLK shares outstanding followed by QUANTBOT TECHNOLOGIES LP with ownership of 56.79 thousand shares representing 0.04% of the WLK ownership. PRINCIPAL FINANCIAL GROUP INC is the third largest stakeholder with 74.11 thousand shares or 0.06% of the ownership worth more than $5.71M.

Is Westlake Corporation stock optionable?

Stock options give the owner the ability but not the obligation to buy or sell a security at a predetermined price and date. Stock options can be classified into two types: puts and calls. A put is a bet on falling stock, and a call is a bet on rising stock. As far as the WLK is concerned, it is a stock which is optionable.

Is there a short position on WLK's shares?

Number of WLK shares short is 4.40M. Shares short is a market sentiment in which investors have sold their shares short in a given stock but have not yet covered them or closed them out.

About how many outstanding WLK shares are there?

As of today, 128.25M shares of WLK are outstanding.

Is there many float in WLK stock?

Float represents the number of tradeable shares in a specific stock. By subtracting restricted and closely-held shares from a firm's total outstanding shares, we can calculate its floating stock. The term "closely-held shares" refers to shares held by employees, major shareholders, and company insiders. At present, WLK has 33.08M shares in float.

WLK short ratio: what is it?

Short ratio is calculated by dividing the number of short shares, short interest or bets that shareholders will sell short from the average daily volume. A higher ratio indicates longer times needed to repurchase borrowed shares (sold). The short ratio for WLK is 3.22.

Westlake (WLK) insider trading activity: Get Latest News Today

Stock Outstanding Shares

Making an investment decision in the stock market involves a certain amount of risk, so it's important to thoroughly review a company's stock before making any decisions. Stock float, number of short positions and outstanding shares are among the many factors an investor should take into account.

ShortableYes

OptionableYes

Short Percent Of Outstanding Shares3.43

Short Percent Of Float13.28

Shares Outstanding128.25M

Shares Float33.08M

Shares Short4.40M

Short Ratio3.22

13.28%

Short % of Float

3.43%

Short % of Shares Outstanding

Market Insider

Investors cannot turn a blind eye to insiders as well as institutional ownership. They need to follow insider trades to determine the direction the stock is likely to take.

Major Holders Summary

74.15% Percentage of Shares held by All Insiders

34.16% Percentage of Shares held by All Institutions

132.16% Percentage of Float held by Institutions

427

Number of Institutions Holding Shares

Institutional Ownership

About 34.16% of WLK shares are held by financial institutions. BNP PARIBAS ARBITRAGE, SNC is the top corporate investor, holding 190.97K shares valued at $14.72M. A 0.15% stake in Westlake Corporation is owned by the company. QUANTBOT TECHNOLOGIES LP owns 56.79K shares valued at $4.38M, which translates its holding of 0.04% of the stake in the company.

Date	Holder	% Stake	Shares Held	Total Value ($)	Shares	% Change in Portfolio
Sep 30, 2025	BNP PARIBAS ARBITRAGE, SNC	0.15%	190.97K	14.72M	5.57K	+3.00%
Sep 30, 2025	QUANTBOT TECHNOLOGIES LP	0.04%	56.79K	4.38M	56.79K	+100.00%
Sep 30, 2025	PRINCIPAL FINANCIAL GROUP INC	0.06%	74.11K	5.71M	-1.49K	-1.97%
Sep 30, 2025	JUMP FINANCIAL, LLC	0.06%	77.89K	6M	77.89K	+100.00%
Sep 30, 2025	CERITY PARTNERS LLC	0.06%	83.08K	6.4M	-3.71K	-4.28%
Sep 30, 2025	RHUMBLINE ADVISERS	0.07%	88.86K	6.85M	-1.77K	-1.95%
Sep 30, 2025	SOUTH DAKOTA INVESTMENT COUNCIL	0.02%	22.44K	1.73M	300	+1.36%
Sep 30, 2025	MACKENZIE FINANCIAL CORP	0.02%	25.32K	1.95M	25.32K	+100.00%
Sep 30, 2025	WELLS FARGO & COMPANY/MN	0.08%	97.13K	7.48M	11.7K	+13.69%
Sep 30, 2025	HITE HEDGE ASSET MANAGEMENT LLC	0.08%	100K	7.71M	-14.49K	-12.65%
Sep 30, 2025	JANNEY MONTGOMERY SCOTT LLC	0.08%	101K	7.78M	30	+0.03%
Sep 30, 2025	VOLORIDGE INVESTMENT MANAGEMENT, LLC	0.31%	394.31K	30.39M	-125.95K	-24.21%
Sep 30, 2025	DEPRINCE RACE & ZOLLO INC	0.15%	189.01K	14.57M	-64.36K	-25.40%
Sep 30, 2025	MARSHALL WACE, LLP	0.04%	56.46K	4.35M	48.35K	+596.10%
Sep 30, 2025	BANK OF AMERICA CORP /DE/	0.16%	208.9K	16.1M	70.24K	+50.66%
Sep 30, 2025	CHARLES SCHWAB INVESTMENT MANAGEMENT INC	0.21%	272.96K	21.03M	16.12K	+6.28%
Sep 30, 2025	CAISSE DE DEPOT ET PLACEMENT DU QUEBEC	0.29%	368.32K	28.38M	368.32K	+100.00%
Sep 30, 2025	THOMPSON SIEGEL & WALMSLEY LLC	0.34%	441.34K	34.01M	441.34K	+100.00%
Sep 30, 2025	BARCLAYS PLC	0.37%	470.5K	36.26M	470.5K	+100.00%
Sep 30, 2025	BALYASNY ASSET MANAGEMENT L.P.	0.37%	475.74K	36.66M	395.9K	+495.82%
Sep 30, 2025	CITADEL ADVISORS LLC	0.94%	1.2M	92.54M	1.19M	+9,658.26%
Sep 30, 2025	WOODLINE PARTNERS LP	0.15%	193.79K	14.93M	-133.5K	-40.79%
Sep 30, 2025	VAN LANSCHOT KEMPEN INVESTMENT MANAGEMENT N.V.	0.15%	196.04K	15.11M	13.14K	+7.19%
Sep 30, 2025	MEREWETHER INVESTMENT MANAGEMENT, LP	0.21%	268.4K	20.68M	268.4K	+100.00%
Sep 30, 2025	FMR LLC	0.25%	314.35K	24.22M	-1.3M	-80.54%
Sep 30, 2025	RENAISSANCE TECHNOLOGIES LLC	0.02%	25.9K	2M	-118.3K	-82.04%
Sep 30, 2025	ENVESTNET ASSET MANAGEMENT INC	0.02%	27.45K	2.12M	7.05K	+34.57%
Sep 30, 2025	TWIN TREE MANAGEMENT, LP	0.02%	28.6K	2.2M	18.9K	+194.85%
Sep 30, 2025	FIRST TRUST ADVISORS LP	0.13%	164.94K	12.71M	37.01K	+28.93%
Sep 30, 2025	RUSSELL INVESTMENTS GROUP, LTD.	0.14%	184.63K	14.23M	55.47K	+42.94%
Sep 30, 2025	NORTHERN TRUST CORP	0.19%	238.14K	18.35M	5.18K	+2.22%
Sep 30, 2025	ERSTE ASSET MANAGEMENT GMBH	0.2%	260K	20.03M	88.5K	+51.60%
Sep 30, 2025	ARROWSTREET CAPITAL, LIMITED PARTNERSHIP	0.23%	299.73K	23.1M	9.69K	+3.34%
Sep 30, 2025	NEW YORK STATE COMMON RETIREMENT FUND	0.24%	309.63K	23.86M	3.2K	+1.04%
Sep 30, 2025	JANUS HENDERSON GROUP PLC	0.29%	365.98K	28.2M	151.7K	+70.80%
Sep 30, 2025	ROYAL BANK OF CANADA	0.3%	381.59K	29.4M	163.09K	+74.65%
Sep 30, 2025	PROSHARE ADVISORS LLC	0.33%	422.64K	32.57M	67.49K	+19.00%
Sep 30, 2025	ALLSPRING GLOBAL INVESTMENTS HOLDINGS, LLC	0.43%	546.15K	41.92M	25.41K	+4.88%
Sep 30, 2025	ANTIPODES PARTNERS LTD	0.43%	555.9K	42.84M	-267.27K	-32.47%
Sep 30, 2025	GEODE CAPITAL MANAGEMENT, LLC	0.51%	653.09K	50.34M	78.86K	+13.73%
Sep 30, 2025	NUVEEN, LLC	0.54%	686.54K	52.9M	-199.59K	-22.52%
Sep 30, 2025	MIRAE ASSET GLOBAL ETFS HOLDINGS LTD.	0.67%	855.98K	65.96M	11.85K	+1.40%
Sep 30, 2025	JACOBS LEVY EQUITY MANAGEMENT, INC	0.67%	860.72K	66.33M	-124.54K	-12.64%
Sep 30, 2025	UBS ASSET MANAGEMENT AMERICAS INC	0.72%	917.27K	70.69M	265.45K	+40.72%
Sep 30, 2025	GOLDMAN SACHS GROUP INC	0.82%	1.05M	81.02M	-7.55K	-0.71%
Sep 30, 2025	STATE STREET CORP	1.01%	1.3M	99.81M	-96.99K	-6.97%
Sep 30, 2025	DIMENSIONAL FUND ADVISORS LP	1.01%	1.3M	100.2M	25.07K	+1.97%
Sep 30, 2025	BRANDES INVESTMENT PARTNERS, LP	1.21%	1.55M	119.34M	91.82K	+6.30%
Sep 30, 2025	PRICE T ROWE ASSOCIATES INC /MD/	1.72%	2.21M	170.16M	149.56K	+7.26%
Sep 30, 2025	VICTORY CAPITAL MANAGEMENT INC	2.23%	2.87M	220.88M	-855.38K	-22.98%
Sep 30, 2025	BLACKROCK, INC.	2.48%	3.19M	245.49M	-142.96K	-4.29%
Sep 30, 2025	NOMURA HOLDINGS INC	0.11%	140K	10.79M	140K	+100.00%
Sep 30, 2025	UBS GROUP AG	0.44%	560.48K	43.19M	117.01K	+26.39%
Sep 30, 2025	MORGAN STANLEY	0.64%	815.63K	62.85M	353.14K	+76.36%
Sep 30, 2025	HOLOCENE ADVISORS, LP	0.67%	854.18K	65.82M	696.03K	+440.09%
Sep 30, 2025	VANGUARD GROUP INC	2.68%	3.44M	265.06M	-83.18K	-2.36%
Sep 30, 2025	ORBIS ALLAN GRAY LTD	3.05%	3.91M	301.64M	3.91M	+100.00%
Sep 30, 2025	LEGAL & GENERAL GROUP PLC	0.03%	36.63K	2.82M	-38.45K	-51.21%
Sep 30, 2025	WEDGE CAPITAL MANAGEMENT L L P/NC	0.03%	39.38K	3.03M	-93.03K	-70.26%
Sep 30, 2025	RETIREMENT SYSTEMS OF ALABAMA	0.03%	40.32K	3.11M	-436	-1.07%
Sep 30, 2025	JOURNEY ADVISORY GROUP, LLC	0.04%	45.07K	3.47M	230	+0.51%
Sep 30, 2025	BANK OF MONTREAL /CAN/	0.04%	45.17K	3.48M	-185.86K	-80.45%
Sep 30, 2025	LLOYD HARBOR CAPITAL MANAGEMENT, LLC	0.09%	110K	8.48M	110K	+100.00%
Sep 30, 2025	ILEX CAPITAL PARTNERS (UK) LLP	0.09%	110.69K	8.53M	-162.87K	-59.54%
Sep 30, 2025	IMPALA ASSET MANAGEMENT LLC	0.09%	115K	8.86M	115K	+100.00%
Sep 30, 2025	CITIGROUP INC	0.09%	117.15K	9.03M	44.53K	+61.31%
Sep 30, 2025	SPROTT INC.	0.1%	130K	10.02M	5K	+4.00%
Sep 30, 2025	INVESCO LTD.	0.11%	134.7K	10.38M	10.14K	+8.14%
Sep 30, 2025	1832 ASSET MANAGEMENT L.P.	0.11%	138.92K	10.71M	0	0
Sep 30, 2025	JPMORGAN CHASE & CO	0.12%	157.79K	12.16M	-9.8K	-5.85%
Sep 30, 2025	TEACHERS RETIREMENT SYSTEM OF THE STATE OF KENTUCKY	0.13%	165.32K	12.74M	60.3K	+57.42%
Sep 30, 2025	SCHRODER INVESTMENT MANAGEMENT GROUP	0.2%	261.56K	20.15M	12.58K	+5.05%
Sep 30, 2025	WALLEYE CAPITAL LLC	0.12%	148.32K	11.43M	36.12K	+32.19%
Sep 30, 2025	D. E. SHAW & CO., INC.	0.12%	160.01K	12.33M	-182.95K	-53.34%
Sep 30, 2025	BANK OF NEW YORK MELLON CORP	0.14%	177.98K	13.72M	-6.33K	-3.43%
Sep 30, 2025	ROBOTTI ROBERT	0.14%	181.85K	14.01M	-989	-0.54%
Jun 30, 2025	GOLDMAN SACHS GROUP INC	0.83%	1.06M	80.41M	17.75K	+1.71%
Jun 30, 2025	JACOBS LEVY EQUITY MANAGEMENT, INC	0.77%	985.26K	74.81M	209.46K	+27.00%
Jun 30, 2025	ALLSPRING GLOBAL INVESTMENTS HOLDINGS, LLC	0.41%	520.74K	41.91M	-31.03K	-5.62%
Jun 30, 2025	DIMENSIONAL FUND ADVISORS LP	0.99%	1.28M	96.83M	335.5K	+35.70%
Jun 30, 2025	NORGES BANK	1.07%	1.37M	104.31M	1.37M	+100.00%
Jun 30, 2025	STATE STREET CORP	1.09%	1.39M	105.71M	-237.88K	-14.59%
Jun 30, 2025	BRANDES INVESTMENT PARTNERS, LP	1.14%	1.46M	110.62M	1.04M	+246.03%
Jun 30, 2025	DEPRINCE RACE & ZOLLO INC	0.2%	253.37K	19.24M	22.88K	+9.93%
Jun 30, 2025	FMR LLC	1.26%	1.62M	122.65M	66.37K	+4.29%
Jun 30, 2025	PRICE T ROWE ASSOCIATES INC /MD/	1.6%	2.06M	156.31M	2.04M	+9,618.11%
Jun 30, 2025	BLACKROCK, INC.	2.6%	3.33M	252.75M	-331.71K	-9.06%
Jun 30, 2025	ALYESKA INVESTMENT GROUP, L.P.	0.19%	238.13K	18.08M	45.25K	+23.46%
Jun 30, 2025	ROYAL BANK OF CANADA	0.17%	218.49K	16.59M	179.81K	+464.77%
Jun 30, 2025	SCHRODER INVESTMENT MANAGEMENT GROUP	0.19%	248.98K	18.91M	-565	-0.23%
Jun 30, 2025	VANGUARD GROUP INC	2.75%	3.52M	267.49M	-27.5K	-0.77%
Jun 30, 2025	VICTORY CAPITAL MANAGEMENT INC	2.9%	3.72M	282.59M	-178.28K	-4.57%
Jun 30, 2025	BANK OF AMERICA CORP /DE/	0.11%	138.65K	10.53M	-82.79K	-37.39%
Jun 30, 2025	1832 ASSET MANAGEMENT L.P.	0.11%	138.92K	10.55M	-14.82K	-9.64%
Jun 30, 2025	RENAISSANCE TECHNOLOGIES LLC	0.11%	144.2K	10.95M	-135.9K	-48.52%
Jun 30, 2025	HOLOCENE ADVISORS, LP	0.12%	158.16K	12.01M	59.08K	+59.63%
Jun 30, 2025	TWO SIGMA ADVISERS, LP	0.12%	158.5K	12.03M	-7.6K	-4.58%
Jun 30, 2025	JPMORGAN CHASE & CO	0.13%	167.6K	12.73M	38.56K	+29.88%
Jun 30, 2025		0.13%	171.5K	13.02M	18.3K	+11.95%
Jun 30, 2025	VAN LANSCHOT KEMPEN INVESTMENT MANAGEMENT N.V.	0.14%	182.9K	13.89M	182.9K	+100.00%
Jun 30, 2025	BANK OF NEW YORK MELLON CORP	0.14%	184.31K	13.99M	-35.37K	-16.10%
Jun 30, 2025	BANK OF MONTREAL /CAN/	0.18%	231.02K	17.54M	20.8K	+9.89%
Jun 30, 2025	MIRAE ASSET GLOBAL ETFS HOLDINGS LTD.	0.66%	844.13K	64.1M	-9.7K	-1.14%
Jun 30, 2025	ANTIPODES PARTNERS LTD	0.64%	823.17K	62.51M	823.17K	+100.00%
Jun 30, 2025	MILLENNIUM MANAGEMENT LLC	0.62%	789.85K	59.97M	-111.38K	-12.36%
Jun 30, 2025	UBS ASSET MANAGEMENT AMERICAS INC	0.51%	651.83K	49.49M	280.65K	+75.61%
Jun 30, 2025	VOLORIDGE INVESTMENT MANAGEMENT, LLC	0.41%	520.26K	39.5M	173.29K	+49.94%
Jun 30, 2025	ARROWSTREET CAPITAL, LIMITED PARTNERSHIP	0.23%	290.04K	22.02M	290.04K	+100.00%
Jun 30, 2025	ILEX CAPITAL PARTNERS (UK) LLP	0.21%	273.56K	20.77M	-425.44K	-60.86%
Jun 30, 2025	CHARLES SCHWAB INVESTMENT MANAGEMENT INC	0.2%	256.85K	19.5M	12.35K	+5.05%
Jun 30, 2025	GEODE CAPITAL MANAGEMENT, LLC	0.45%	574.23K	43.61M	-2.55K	-0.44%
Jun 30, 2025	ROBOTTI ROBERT	0.14%	182.84K	13.77M	18.14K	+11.02%
Jun 30, 2025	BNP PARIBAS ARBITRAGE, SNC	0.14%	185.4K	14.08M	159.04K	+603.43%
Jun 30, 2025	ERSTE ASSET MANAGEMENT GMBH	0.13%	171.5K	13.02M	18.3K	+11.95%
Jun 30, 2025	JANUS HENDERSON GROUP PLC	0.17%	214.28K	16.27M	-180.24K	-45.69%
Jun 30, 2025	NUVEEN, LLC	0.69%	886.13K	67.28M	156.61K	+21.47%
Jun 30, 2025	NORTHERN TRUST CORP	0.18%	232.96K	17.69M	-81.66K	-25.95%
Jun 30, 2025	QUBE RESEARCH & TECHNOLOGIES LTD	0.1%	134.57K	10.22M	18.77K	+16.21%
Jun 30, 2025	NEW YORK STATE COMMON RETIREMENT FUND	0.24%	306.43K	23.27M	292.45K	+2,092.67%
Jun 30, 2025	WOODLINE PARTNERS LP	0.26%	327.29K	24.85M	327.29K	+100.00%
Jun 30, 2025	SUSQUEHANNA INTERNATIONAL GROUP, LLP	0.26%	330.81K	25.12M	319.73K	+2,884.61%
Jun 30, 2025	D. E. SHAW & CO., INC.	0.27%	342.96K	26.04M	114.6K	+50.19%
Jun 30, 2025	ENGINEERS GATE MANAGER LP	0.27%	351.01K	26.65M	348.27K	+12,724.66%
Jun 30, 2025	PROSHARE ADVISORS LLC	0.28%	355.15K	26.97M	94.83K	+36.43%
Jun 30, 2025	UBS GROUP AG	0.35%	443.47K	33.67M	-165.61K	-27.19%
Jun 30, 2025	MORGAN STANLEY	0.36%	462.49K	35.12M	199.93K	+76.15%
Mar 31, 2025	BANK OF NEW YORK MELLON CORP	0.17%	219.68K	21.97M	-6.3K	-2.79%
Mar 31, 2025	MIRAE ASSET GLOBAL ETFS HOLDINGS LTD.	0.67%	853.83K	85.41M	-28.64K	-3.25%
Mar 31, 2025	SCHRODER INVESTMENT MANAGEMENT GROUP	0.19%	249.55K	24.74M	-114.73K	-31.50%
Mar 31, 2025	BARCLAYS PLC	0.41%	522.5K	52.27M	66.5K	+14.58%
Mar 31, 2025	NORTHERN TRUST CORP	0.25%	314.62K	31.47M	8.96K	+2.93%
Mar 31, 2025	MORGAN STANLEY	0.2%	262.56K	26.26M	-38.99K	-12.93%
Mar 31, 2025	FMR LLC	1.21%	1.55M	154.93M	110.26K	+7.66%
Mar 31, 2025	CAPITAL WORLD INVESTORS	1.01%	1.29M	129.05M	2.63K	+0.20%
Mar 31, 2025	GOLDMAN SACHS GROUP INC	0.81%	1.04M	104.15M	102.27K	+10.89%
Mar 31, 2025	VOLORIDGE INVESTMENT MANAGEMENT, LLC	0.27%	346.97K	34.71M	127.94K	+58.41%
Mar 31, 2025	RENAISSANCE TECHNOLOGIES LLC	0.22%	280.1K	28.02M	-70.6K	-20.13%
Mar 31, 2025	TWO SIGMA INVESTMENTS, LP	0.21%	266.07K	26.62M	161.75K	+155.05%
Mar 31, 2025	PROSHARE ADVISORS LLC	0.2%	260.32K	26.04M	11.27K	+4.53%
Mar 31, 2025	ILEX CAPITAL PARTNERS (UK) LLP	0.54%	699.01K	69.92M	546.99K	+359.82%
Mar 31, 2025	UBS GROUP AG	0.47%	609.08K	60.93M	51.52K	+9.24%
Mar 31, 2025	GEODE CAPITAL MANAGEMENT, LLC	0.45%	576.78K	57.55M	18.84K	+3.38%
Mar 31, 2025	ALLSPRING GLOBAL INVESTMENTS HOLDINGS, LLC	0.43%	551.77K	55.17M	175.31K	+46.57%
Mar 31, 2025	JACOBS LEVY EQUITY MANAGEMENT, INC	0.6%	775.8K	77.6M	-23.45K	-2.93%
Mar 31, 2025	BRANDES INVESTMENT PARTNERS, LP	0.33%	421.02K	42.11M	421.02K	+100.00%
Mar 31, 2025	EXODUSPOINT CAPITAL MANAGEMENT, LP	0.33%	417.76K	41.79M	72.97K	+21.16%
Mar 31, 2025	D. E. SHAW & CO., INC.	0.18%	228.36K	22.84M	-24.39K	-9.65%
Mar 31, 2025	BANK OF AMERICA CORP /DE/	0.17%	221.44K	22.15M	171.25K	+341.16%
Mar 31, 2025		0.09%	117.23K	11.73M	32.23K	+37.92%
Mar 31, 2025	DIMENSIONAL FUND ADVISORS LP	0.73%	939.67K	93.98M	5.55K	+0.59%
Mar 31, 2025	MILLENNIUM MANAGEMENT LLC	0.7%	901.23K	90.15M	708.14K	+366.75%
Mar 31, 2025	JANUS HENDERSON GROUP PLC	0.31%	394.52K	39.1M	22.33K	+6.00%
Mar 31, 2025	UBS ASSET MANAGEMENT AMERICAS INC	0.29%	371.18K	37.13M	24.39K	+7.03%
Mar 31, 2025	DEPRINCE RACE & ZOLLO INC	0.18%	230.49K	23.06M	12.21K	+5.59%
Mar 31, 2025	BANK OF MONTREAL /CAN/	0.16%	210.22K	21.03M	60.65K	+40.55%
Mar 31, 2025	CITADEL ADVISORS LLC	0.66%	852.86K	85.31M	172.53K	+25.36%
Mar 31, 2025	BALYASNY ASSET MANAGEMENT L.P.	0.41%	521.88K	52.2M	-471.27K	-47.45%
Mar 31, 2025	CHARLES SCHWAB INVESTMENT MANAGEMENT INC	0.19%	244.5K	24.46M	8.14K	+3.45%
Mar 31, 2025	SQUAREPOINT OPS LLC	0.18%	232.06K	23.21M	53.75K	+30.15%
Mar 31, 2025	FIRST TRUST ADVISORS LP	0.13%	166.56K	16.66M	-660.96K	-79.87%
Mar 31, 2025	TWO SIGMA ADVISERS, LP	0.13%	166.1K	16.61M	63.1K	+61.26%
Mar 31, 2025	ROBOTTI ROBERT	0.13%	164.7K	16.47M	397	+0.24%
Mar 31, 2025	1832 ASSET MANAGEMENT L.P.	0.12%	153.74K	15.38M	-222.26K	-59.11%
Mar 31, 2025	MAN GROUP PLC	0.11%	140.89K	14.09M	102.09K	+263.13%
Mar 31, 2025	INVESCO LTD.	0.1%	134.38K	13.44M	-13.64K	-9.21%
Mar 31, 2025	JPMORGAN CHASE & CO	0.1%	129.04K	12.91M	17.81K	+16.01%
Mar 31, 2025	QUANTINNO CAPITAL MANAGEMENT LP	0.1%	127.51K	12.76M	38.92K	+43.94%
Mar 31, 2025	VICTORY CAPITAL MANAGEMENT INC	3.04%	3.9M	390.12M	586.18K	+17.69%
Mar 31, 2025	BLACKROCK, INC.	2.85%	3.66M	366.15M	2.51K	+0.07%
Mar 31, 2025	VANGUARD GROUP INC	2.77%	3.55M	355.14M	-327.66K	-8.45%
Mar 31, 2025	STATE STREET CORP	1.27%	1.63M	163.06M	435.86K	+36.50%
Mar 31, 2025	LEGAL & GENERAL GROUP PLC	0.11%	145K	14.5M	-12.65K	-8.03%
Mar 31, 2025	ALYESKA INVESTMENT GROUP, L.P.	0.15%	192.88K	19.29M	87.68K	+83.34%
Mar 31, 2025	AMERIPRISE FINANCIAL INC	0.09%	118.92K	11.89M	11.53K	+10.73%
Mar 31, 2024	LEGAL & GENERAL GROUP PLC	0.19%	246.13K	37.61M	-5.02K	-2.00%
Mar 31, 2024	RHUMBLINE ADVISERS	0.07%	94.47K	14.44M	-1.3K	-1.36%
Mar 31, 2024	FEDERATED HERMES, INC.	0.08%	96.05K	14.68M	-96.06K	-50.00%
Mar 31, 2024	MILLENNIUM MANAGEMENT LLC	0.08%	96.29K	14.71M	71.41K	+287.08%
Mar 31, 2024	GUGGENHEIM CAPITAL LLC	0.08%	97.07K	14.83M	13.53K	+16.19%
Mar 31, 2024	SCOUT INVESTMENTS, INC.	0.08%	97.61K	15.06M	-8.73K	-8.21%
Mar 31, 2024	GRANTHAM, MAYO, VAN OTTERLOO & CO. LLC	0.08%	103.21K	15.77M	-29.23K	-22.07%
Mar 31, 2024	ALYESKA INVESTMENT GROUP, L.P.	0.08%	106.75K	16.31M	61.39K	+135.32%
Mar 31, 2024	JANUS HENDERSON GROUP PLC	0.09%	109.2K	16.69M	-63.24K	-36.67%
Mar 31, 2024	AMERIPRISE FINANCIAL INC	0.09%	109.82K	16.78M	-8.56K	-7.23%
Mar 31, 2024	SWISS NATIONAL BANK	0.09%	115.1K	17.59M	-4.3K	-3.60%
Mar 31, 2024	WEDGE CAPITAL MANAGEMENT L L P/NC	0.06%	71.32K	10.9M	6.51K	+10.05%
Mar 31, 2024	ALLIANCEBERNSTEIN L.P.	0.06%	72.65K	11.1M	-202	-0.28%
Mar 31, 2024	PRINCIPAL FINANCIAL GROUP INC	0.09%	120.66K	18.44M	3.04K	+2.59%
Mar 31, 2024	JPMORGAN CHASE & CO	0.1%	131.46K	20.09M	38.18K	+40.92%
Mar 31, 2024	SCOPUS ASSET MANAGEMENT, L.P.	0.11%	136.76K	20.9M	136.76K	+100.00%
Mar 31, 2024	CERITY PARTNERS LLC	0.11%	144.11K	22.02M	83.43K	+137.50%
Mar 31, 2024	AQR CAPITAL MANAGEMENT LLC	0.11%	143.73K	21.91M	-51.74K	-26.47%
Mar 31, 2024	APPIAN WAY ASSET MANAGEMENT LP	0.13%	164.62K	25.15M	164.62K	+100.00%
Mar 31, 2024	ROBOTTI ROBERT	0.13%	167.67K	25.62M	-58.9K	-26.00%
Mar 31, 2024	BANK OF AMERICA CORP /DE/	0.15%	189.42K	28.94M	118.93K	+168.71%
Mar 31, 2024	MEREWETHER INVESTMENT MANAGEMENT, LP	0.15%	190.27K	29.07M	190.27K	+100.00%
Mar 31, 2024	EXODUSPOINT CAPITAL MANAGEMENT, LP	0.15%	191.55K	29.27M	112.06K	+140.97%
Mar 31, 2024	BALYASNY ASSET MANAGEMENT L.P.	0.16%	201.29K	30.76M	201.29K	+100.00%
Mar 31, 2024	UBS ASSET MANAGEMENT AMERICAS INC	0.16%	205.85K	31.45M	-4.25K	-2.02%
Mar 31, 2024	ALLSPRING GLOBAL INVESTMENTS HOLDINGS, LLC	0.17%	213.65K	32.65M	-21.23K	-9.04%
Mar 31, 2024	PROSHARE ADVISORS LLC	0.17%	220.29K	33.66M	-38.93K	-15.02%
Mar 31, 2024	CHARLES SCHWAB INVESTMENT MANAGEMENT INC	0.18%	232.89K	35.59M	-120.03K	-34.01%
Mar 31, 2024	VIDENT ADVISORY, LLC	0.07%	94.66K	14.46M	8.94K	+10.43%
Mar 31, 2024	NORTHERN TRUST CORP	0.19%	246.47K	37.66M	-55.81K	-18.46%
Mar 31, 2024	INVESCO LTD.	0.24%	309.97K	47.36M	-118.04K	-27.58%
Mar 31, 2024	SUSQUEHANNA INTERNATIONAL GROUP, LLP	0.25%	313.1K	47.84M	302.9K	+2,969.61%
Mar 31, 2024	MORGAN STANLEY	0.25%	317.99K	48.59M	62.09K	+24.27%
Mar 31, 2024	BANK OF NEW YORK MELLON CORP	0.27%	340.5K	52.03M	-8.68K	-2.49%
Mar 31, 2024	FIRST TRUST ADVISORS LP	0.38%	490.81K	75M	79K	+19.18%
Mar 31, 2024	GEODE CAPITAL MANAGEMENT, LLC	0.4%	507.36K	77.37M	21.82K	+4.49%
Mar 31, 2024	DIMENSIONAL FUND ADVISORS LP	0.76%	969.42K	148.13M	-56.64K	-5.52%
Mar 31, 2024	STATE STREET CORP	0.93%	1.19M	181.38M	-10.08K	-0.84%
Mar 31, 2024	CAPITAL WORLD INVESTORS	1.04%	1.33M	203.92M	22.74K	+1.73%
Mar 31, 2024	PACER ADVISORS, INC.	1.06%	1.36M	208.23M	220.19K	+19.27%
Mar 31, 2024	VICTORY CAPITAL MANAGEMENT INC	2.51%	3.21M	490.37M	-56.22K	-1.72%
Mar 31, 2024	VANGUARD GROUP INC	2.63%	3.36M	513.71M	-25.45K	-0.75%
Mar 31, 2024	BLACKROCK INC.	2.72%	3.48M	531.72M	-65.34K	-1.84%
Mar 31, 2024	FMR LLC	3.41%	4.36M	665.55M	53.39K	+1.24%
Mar 31, 2024	NATIXIS	0.07%	85K	12.99M	84.8K	+41,979.21%
Mar 31, 2024	CITADEL ADVISORS LLC	0.44%	562.17K	85.9M	-18.31K	-3.15%
Mar 31, 2024	MIRAE ASSET GLOBAL INVESTMENTS CO., LTD.	0.44%	566.55K	64.25M	-105.55K	-15.70%
Mar 31, 2024	NUVEEN ASSET MANAGEMENT, LLC	0.48%	618.11K	94.45M	87.71K	+16.54%
Mar 31, 2024	GOLDMAN SACHS GROUP INC	0.52%	662.68K	101.26M	-26.73K	-3.88%
Mar 31, 2024	ORBIS ALLAN GRAY LTD	2.11%	2.71M	414.77M	-112.8K	-3.99%
Mar 31, 2024	ENSIGN PEAK ADVISORS, INC	0.03%	37.69K	5.76M	-4.44K	-10.54%
Mar 31, 2024	AMERICAN CENTURY COMPANIES INC	0.03%	39.34K	6.01M	-20.86K	-34.65%
Mar 31, 2024	RETIREMENT SYSTEMS OF ALABAMA	0.03%	40.23K	6.15M	105	+0.26%
Mar 31, 2024	KNIGHTS OF COLUMBUS ASSET ADVISORS LLC	0.03%	40.88K	6.25M	492	+1.22%
Mar 31, 2024	AMERICAN INTERNATIONAL GROUP, INC.	0.03%	42.41K	6.48M	-867	-2.00%
Mar 31, 2024	BNP PARIBAS ARBITRAGE, SNC	0.03%	42.59K	6.51M	1.15K	+2.79%
Mar 31, 2024	CREDIT SUISSE AG/	0.04%	46.04K	7.03M	4.43K	+10.65%
Mar 31, 2024	JANNEY MONTGOMERY SCOTT LLC	0.04%	56.34K	8.61M	2.84K	+5.31%
Mar 31, 2024	QUANTINNO CAPITAL MANAGEMENT LP	0.05%	58.66K	8.96M	17.73K	+43.31%
Mar 31, 2024	CONTRAVISORY INVESTMENT MANAGEMENT, INC.	0.05%	63.21K	9.66M	-764	-1.19%
Mar 31, 2024	CALIFORNIA PUBLIC EMPLOYEES RETIREMENT SYSTEM	0.05%	64.41K	9.84M	-2.19K	-3.29%
Mar 31, 2024	LAZARD ASSET MANAGEMENT LLC	0.05%	67.88K	10.37M	64.96K	+2,218.44%
Mar 31, 2024	SPROTT INC.	0.05%	70K	10.7M	-20K	-22.22%
Mar 31, 2024	WELLS FARGO & COMPANY/MN	0.06%	71.21K	10.88M	-6.81K	-8.73%
Mar 31, 2024	STATE OF WISCONSIN INVESTMENT BOARD	0.06%	74.94K	11.45M	650	+0.87%
Mar 31, 2024	SUMITOMO MITSUI TRUST HOLDINGS, INC.	0.07%	87.04K	13.3M	-2.27K	-2.54%
Dec 31, 2023	AMERIPRISE FINANCIAL INC	0.09%	118.38K	16.57M	-6.48K	-5.19%
Dec 31, 2023	SWISS NATIONAL BANK	0.09%	119.4K	16.71M	-3.8K	-3.08%
Dec 31, 2023	GRANTHAM, MAYO, VAN OTTERLOO & CO. LLC	0.1%	132.45K	18.54M	-95.02K	-41.77%
Dec 31, 2023	JANUS HENDERSON GROUP PLC	0.13%	172.44K	24.13M	-33.18K	-16.13%
Dec 31, 2023	FEDERATED HERMES, INC.	0.15%	192.11K	26.89M	-216.19K	-52.95%
Dec 31, 2023	AQR CAPITAL MANAGEMENT LLC	0.15%	195.47K	27.36M	-115.15K	-37.07%
Dec 31, 2023	UBS ASSET MANAGEMENT AMERICAS INC	0.16%	210.09K	29.4M	2.12K	+1.02%
Dec 31, 2023	ROBOTTI ROBERT	0.18%	226.57K	31.71M	-1.06K	-0.46%
Dec 31, 2023	ALLSPRING GLOBAL INVESTMENTS HOLDINGS, LLC	0.18%	234.88K	32.87M	-55.44K	-19.10%
Dec 31, 2023	LEGAL & GENERAL GROUP PLC	0.2%	251.15K	35.15M	46.37K	+22.64%
Dec 31, 2023	MORGAN STANLEY	0.2%	255.9K	35.82M	-74.13K	-22.46%
Dec 31, 2023	PROSHARE ADVISORS LLC	0.2%	259.22K	36.28M	-17K	-6.15%
Dec 31, 2023	NORTHERN TRUST CORP	0.24%	302.29K	42.31M	-19.6K	-6.09%
Dec 31, 2023	BANK OF NEW YORK MELLON CORP	0.27%	349.18K	48.87M	-26.14K	-6.97%
Dec 31, 2023	CHARLES SCHWAB INVESTMENT MANAGEMENT INC	0.28%	352.92K	49.4M	8.29K	+2.41%
Dec 31, 2023	NORGES BANK	0.28%	364.11K	50.96M	364.11K	+100.00%
Dec 31, 2023	SAMLYN CAPITAL, LLC	0.31%	393.29K	55.05M	76.56K	+24.17%
Dec 31, 2023	FIRST TRUST ADVISORS LP	0.32%	411.82K	57.64M	-61.83K	-13.05%
Dec 31, 2023	INVESCO LTD.	0.33%	428.01K	59.9M	123.58K	+40.59%
Dec 31, 2023	GEODE CAPITAL MANAGEMENT, LLC	0.38%	485.54K	67.83M	11.4K	+2.41%
Dec 31, 2023	NUVEEN ASSET MANAGEMENT, LLC	0.41%	530.41K	74.24M	11.74K	+2.26%
Dec 31, 2023	CITADEL ADVISORS LLC	0.45%	580.48K	81.24M	-190.18K	-24.68%
Dec 31, 2023	MIRAE ASSET GLOBAL INVESTMENTS CO., LTD.	0.53%	672.1K	94.07M	-10.73K	-1.57%
Dec 31, 2023	GOLDMAN SACHS GROUP INC	0.54%	689.4K	96.49M	-16.09K	-2.28%
Dec 31, 2023	SOROBAN CAPITAL PARTNERS LP	0.68%	871.48K	121.97M	-27.36K	-3.04%
Dec 31, 2023	DIMENSIONAL FUND ADVISORS LP	0.8%	1.03M	143.61M	-76.48K	-6.94%
Dec 31, 2023	PACER ADVISORS, INC.	0.89%	1.14M	159.92M	66.61K	+6.19%
Dec 31, 2023	STATE STREET CORP	0.94%	1.2M	167.55M	68.7K	+6.09%
Dec 31, 2023	CAPITAL WORLD INVESTORS	1.03%	1.31M	183.6M	675.73K	+106.23%
Dec 31, 2023	ORBIS ALLAN GRAY LTD	2.21%	2.83M	395.7M	-384.28K	-11.97%
Dec 31, 2023	VICTORY CAPITAL MANAGEMENT INC	2.55%	3.27M	457.03M	-103.82K	-3.08%
Dec 31, 2023	VANGUARD GROUP INC	2.65%	3.39M	474.1M	4.53K	+0.13%
Dec 31, 2023	BLACKROCK INC.	2.77%	3.55M	496.18M	25.53K	+0.73%
Dec 31, 2023	FMR LLC	3.37%	4.3M	602.15M	-328.67K	-7.10%
Dec 31, 2023	WELLS FARGO & COMPANY/MN	0.06%	78.02K	10.92M	-6.51K	-7.70%
Dec 31, 2023	EXODUSPOINT CAPITAL MANAGEMENT, LP	0.06%	79.49K	11.13M	-41.04K	-34.05%
Dec 31, 2023	CAISSE DE DEPOT ET PLACEMENT DU QUEBEC	0.06%	82.15K	11.5M	-65.01K	-44.18%
Dec 31, 2023	GUGGENHEIM CAPITAL LLC	0.07%	83.54K	11.69M	-4.35K	-4.95%
Dec 31, 2023	TWO SIGMA INVESTMENTS, LP	0.07%	84.97K	11.89M	-14.65K	-14.71%
Dec 31, 2023	KBC GROUP NV	0.07%	85.01K	11.9M	-10.34K	-10.84%
Dec 31, 2023	WORLDQUANT MILLENNIUM ADVISORS LLC	0.07%	85.4K	11.95M	-34.27K	-28.64%
Dec 31, 2023	VIDENT ADVISORY, LLC	0.07%	85.72K	12M	293	+0.34%
Dec 31, 2023	SUMITOMO MITSUI TRUST HOLDINGS, INC.	0.07%	89.31K	12.5M	445	+0.50%
Dec 31, 2023	SPROTT INC.	0.07%	90K	12.6M	-5K	-5.26%
Dec 31, 2023	JPMORGAN CHASE & CO	0.07%	93.29K	13.06M	1.64K	+1.79%
Dec 31, 2023	RHUMBLINE ADVISERS	0.07%	95.77K	13.4M	-1.74K	-1.78%
Dec 31, 2023	TUDOR INVESTMENT CORP ET AL	0.08%	99.75K	13.96M	24.58K	+32.70%
Dec 31, 2023	SCOUT INVESTMENTS, INC.	0.08%	106.34K	14.88M	-17.67K	-14.25%
Dec 31, 2023	BANK OF MONTREAL /CAN/	0.09%	111.33K	15.88M	107.86K	+3,101.98%
Dec 31, 2023	PRINCIPAL FINANCIAL GROUP INC	0.09%	117.62K	16.46M	-170	-0.14%

Insiders

Among the WLK insiders holding of 74.15% of the stake in company, TTWFGP LLC, 10 percent owner, holds the largest shares of 47.26M. CHAO ALBERT, Executive Chairman, is the second largest WLK insider with ownership of 627.72K shares. BENDER MARK STEVEN, EVP & CFO, stands third with possession of 40.36K shares of that stake.

Insiders	Designation	Shares Held
TTWFGP LLC	10 percent owner	47.26M
CHAO ALBERT	Executive Chairman	627.72K
BENDER MARK STEVEN	EVP & CFO	40.36K
EDERINGTON L. BENJAMIN	EVP, GC, CAO and Secretary	37.42K
KEARNS ROGER L.	COO and EVP - PEM	26.39K
KENNER ANDREW	SVP - Chemical Manufacturing	11.44K
CHAO DAVID TSUNG-HUNG	director	7.78K
TEEL LAWRENCE E.	EVP and Special Advisor to CEO	4.9K
ZOELLER JOHNATHAN STEVAN	VP & Chief Accounting Officer	543
BUESINGER ROBERT F.	EVP, PEM Segment Head	0

Buying/Selling by Insiders

Date	Insider	Type	Cost	Shares	Value ($)	Shares Total
Dec 22, 2025	CHAO ALBERT	SALE	74.44	521	38.78K	627.72K
May 27, 2025	BUESINGER ROBERT F.	SALE	72.70	83	6.03K	0
Apr 22, 2025	BUESINGER ROBERT F.	PURCHASE	93.39	83	7.75K	83
Nov 29, 2024	CHAO DAVID TSUNG-HUNG	SALE	129.08	1.75K	225.89K	7.78K
Nov 22, 2024	CHAO DAVID TSUNG-HUNG	SALE	130.00	1.75K	227.5K	9.53K
May 09, 2024	BUESINGER ROBERT F.	SALE	158.50	3.5K	554.75K	17.64K
May 03, 2024	BENDER MARK STEVEN	SALE	152.19	4.95K	753.34K	40.36K
Mar 15, 2024	BUESINGER ROBERT F.	SALE	144.50	3.88K	560.37K	21.14K
Mar 13, 2024	BUESINGER ROBERT F.	SALE	144.50	122	17.63K	25.02K
Mar 06, 2024	BENDER MARK STEVEN	SALE	141.02	4.8K	677.46K	45.31K
Feb 26, 2024	BENDER MARK STEVEN	SALE	137.57	4.85K	667.76K	50.11K
Nov 15, 2023	BUESINGER ROBERT F.	SALE	130.50	4.22K	550.06K	16.75K
Aug 23, 2023	CHAO DAVID TSUNG-HUNG	SALE	131.00	1K	131K	10.15K
Aug 31, 2022	BUESINGER ROBERT F.	SALE	98.94	1K	98.94K	10.21K
Aug 26, 2022	ZOELLER JOHNATHAN STEVAN	SALE	107.08	542	58.04K	543
May 27, 2022	BUESINGER ROBERT F.	SALE	129.47	14.43K	1.87M	11.78K
May 19, 2022	CHAO ALBERT	SALE	129.38	5.05K	652.71K	472.98K
May 17, 2022	KEARNS ROGER L.	SALE	136.24	8.39K	1.14M	26.39K
May 05, 2022	EDERINGTON L. BENJAMIN	SALE	139.26	3.14K	437.69K	37.42K
Mar 31, 2022	BENDER MARK STEVEN	SALE	124.99	100	12.5K	30.73K
Mar 30, 2022	BENDER MARK STEVEN	SALE	125.10	3.06K	383.04K	30.73K
Mar 29, 2022	BENDER MARK STEVEN	SALE	122.44	4K	489.75K	30.73K
Mar 25, 2022	BENDER MARK STEVEN	SALE	125.74	2.95K	370.56K	30.73K
Mar 25, 2022	KEARNS ROGER L.	SALE	126.40	2.86K	361.64K	26.39K
Mar 24, 2022	BENDER MARK STEVEN	SALE	125.38	8K	1M	30.73K
Mar 23, 2022	BENDER MARK STEVEN	SALE	125.69	344	43.24K	30.73K
Mar 10, 2022	BUESINGER ROBERT F.	SALE	117.61	22.56K	2.65M	14.84K
Mar 09, 2022	BUESINGER ROBERT F.	SALE	115.55	2.73K	315.45K	14.84K
Mar 01, 2022	ZOELLER JOHNATHAN STEVAN	SALE	110.39	1.01K	111.05K	1.16K
Dec 02, 2021	CHAO ALBERT	SALE	92.29	20.33K	1.88M	441.94K
Dec 01, 2021	CHAO ALBERT	SALE	94.80	3.79K	359.2K	441.94K
Nov 11, 2021	BENDER MARK STEVEN	SALE	101.57	2.37K	240.62K	22.02K
Nov 08, 2021	BENDER MARK STEVEN	SALE	100.77	631	63.59K	24.39K
Nov 05, 2021	BENDER MARK STEVEN	SALE	98.80	6.36K	627.95K	25.02K
Aug 11, 2021	CHAO ALBERT	PURCHASE	86.21	3K	258.63K	441.94K
May 10, 2021	BUESINGER ROBERT F.	SALE	105.00	5K	525K	8.22K
Mar 12, 2021	BENDER MARK STEVEN	SALE	95.23	5.82K	554.24K	31.38K
Mar 09, 2021	BENDER MARK STEVEN	SALE	92.27	25.81K	2.38M	31.38K
Mar 08, 2021	BUESINGER ROBERT F.	SALE	95.00	7.86K	746.8K	13.3K
Feb 25, 2021	TEEL LAWRENCE E.	SALE	87.14	4.9K	427.16K	4.9K
Feb 25, 2021	ZOELLER JOHNATHAN STEVAN	SALE	86.94	1.01K	87.46K	0
Nov 24, 2020	BUESINGER ROBERT F.	SALE	77.50	4.58K	355.03K	10.57K
Nov 23, 2020	KENNER ANDREW	SALE	74.75	5.92K	442.82K	11.44K
Nov 06, 2020	CHAO ALBERT	SALE	75.12	4.2K	315.35K	427.66K
Nov 06, 2020	BENDER MARK STEVEN	SALE	74.79	1.6K	119.67K	27.88K
Nov 05, 2020	BENDER MARK STEVEN	SALE	74.54	420	31.31K	29.48K
Mar 27, 2020	TTWFGP LLC	PURCHASE	37.58	16.98K	637.92K	47.26M
Mar 26, 2020	TTWFGP LLC	PURCHASE	40.47	42.2K	1.71M	47.14M
Mar 25, 2020	TTWFGP LLC	PURCHASE	37.98	6.65K	252.6K	46.97M
Mar 24, 2020	TTWFGP LLC	PURCHASE	34.94	4.74K	165.55K	46.83M
Mar 19, 2020	TTWFGP LLC	PURCHASE	35.23	3K	105.76K	46.66M
Mar 18, 2020	TTWFGP LLC	PURCHASE	30.58	25.97K	794.16K	46.52M
Mar 17, 2020	TTWFGP LLC	PURCHASE	35.06	100	3.51K	46.49M
Mar 16, 2020	TTWFGP LLC	PURCHASE	31.42	160K	5.03M	320K
Mar 13, 2020	TTWFGP LLC	PURCHASE	32.94	160K	5.27M	160K

Insider Transaction Summary (6 Months)

SHARESTRANS

PURCHASE00

SALES5211

NET SHARES-5211

SHARES HELD627.72K1

% NET SHARES-100.08%0%

Frequently Asked Questions

Stock Outstanding Shares

ShortableYes

OptionableYes

Short Percent Of Outstanding Shares3.43

Short Percent Of Float13.28

Shares Outstanding128.25M

Shares Float33.08M

Shares Short4.40M

Short Ratio3.22

13.28%

Short % of Float

3.43%

Short % of Shares Outstanding

Market Insider

Investors cannot turn a blind eye to insiders as well as institutional ownership. They need to follow insider trades to determine the direction the stock is likely to take.

Major Holders Summary

74.15% Percentage of Shares held by All Insiders

34.16% Percentage of Shares held by All Institutions

132.16% Percentage of Float held by Institutions

427

Number of Institutions Holding Shares

Institutional Ownership

Date	Holder	% Stake	Shares Held	Total Value ($)	Shares	% Change in Portfolio
Sep 30, 2025	BNP PARIBAS ARBITRAGE, SNC	0.15%	190.97K	14.72M	5.57K	+3.00%
Sep 30, 2025	QUANTBOT TECHNOLOGIES LP	0.04%	56.79K	4.38M	56.79K	+100.00%
Sep 30, 2025	PRINCIPAL FINANCIAL GROUP INC	0.06%	74.11K	5.71M	-1.49K	-1.97%
Sep 30, 2025	JUMP FINANCIAL, LLC	0.06%	77.89K	6M	77.89K	+100.00%
Sep 30, 2025	CERITY PARTNERS LLC	0.06%	83.08K	6.4M	-3.71K	-4.28%
Sep 30, 2025	RHUMBLINE ADVISERS	0.07%	88.86K	6.85M	-1.77K	-1.95%
Sep 30, 2025	SOUTH DAKOTA INVESTMENT COUNCIL	0.02%	22.44K	1.73M	300	+1.36%
Sep 30, 2025	MACKENZIE FINANCIAL CORP	0.02%	25.32K	1.95M	25.32K	+100.00%
Sep 30, 2025	WELLS FARGO & COMPANY/MN	0.08%	97.13K	7.48M	11.7K	+13.69%
Sep 30, 2025	HITE HEDGE ASSET MANAGEMENT LLC	0.08%	100K	7.71M	-14.49K	-12.65%
Sep 30, 2025	JANNEY MONTGOMERY SCOTT LLC	0.08%	101K	7.78M	30	+0.03%
Sep 30, 2025	VOLORIDGE INVESTMENT MANAGEMENT, LLC	0.31%	394.31K	30.39M	-125.95K	-24.21%
Sep 30, 2025	DEPRINCE RACE & ZOLLO INC	0.15%	189.01K	14.57M	-64.36K	-25.40%
Sep 30, 2025	MARSHALL WACE, LLP	0.04%	56.46K	4.35M	48.35K	+596.10%
Sep 30, 2025	BANK OF AMERICA CORP /DE/	0.16%	208.9K	16.1M	70.24K	+50.66%
Sep 30, 2025	CHARLES SCHWAB INVESTMENT MANAGEMENT INC	0.21%	272.96K	21.03M	16.12K	+6.28%
Sep 30, 2025	CAISSE DE DEPOT ET PLACEMENT DU QUEBEC	0.29%	368.32K	28.38M	368.32K	+100.00%
Sep 30, 2025	THOMPSON SIEGEL & WALMSLEY LLC	0.34%	441.34K	34.01M	441.34K	+100.00%
Sep 30, 2025	BARCLAYS PLC	0.37%	470.5K	36.26M	470.5K	+100.00%
Sep 30, 2025	BALYASNY ASSET MANAGEMENT L.P.	0.37%	475.74K	36.66M	395.9K	+495.82%
Sep 30, 2025	CITADEL ADVISORS LLC	0.94%	1.2M	92.54M	1.19M	+9,658.26%
Sep 30, 2025	WOODLINE PARTNERS LP	0.15%	193.79K	14.93M	-133.5K	-40.79%
Sep 30, 2025	VAN LANSCHOT KEMPEN INVESTMENT MANAGEMENT N.V.	0.15%	196.04K	15.11M	13.14K	+7.19%
Sep 30, 2025	MEREWETHER INVESTMENT MANAGEMENT, LP	0.21%	268.4K	20.68M	268.4K	+100.00%
Sep 30, 2025	FMR LLC	0.25%	314.35K	24.22M	-1.3M	-80.54%
Sep 30, 2025	RENAISSANCE TECHNOLOGIES LLC	0.02%	25.9K	2M	-118.3K	-82.04%
Sep 30, 2025	ENVESTNET ASSET MANAGEMENT INC	0.02%	27.45K	2.12M	7.05K	+34.57%
Sep 30, 2025	TWIN TREE MANAGEMENT, LP	0.02%	28.6K	2.2M	18.9K	+194.85%
Sep 30, 2025	FIRST TRUST ADVISORS LP	0.13%	164.94K	12.71M	37.01K	+28.93%
Sep 30, 2025	RUSSELL INVESTMENTS GROUP, LTD.	0.14%	184.63K	14.23M	55.47K	+42.94%
Sep 30, 2025	NORTHERN TRUST CORP	0.19%	238.14K	18.35M	5.18K	+2.22%
Sep 30, 2025	ERSTE ASSET MANAGEMENT GMBH	0.2%	260K	20.03M	88.5K	+51.60%
Sep 30, 2025	ARROWSTREET CAPITAL, LIMITED PARTNERSHIP	0.23%	299.73K	23.1M	9.69K	+3.34%
Sep 30, 2025	NEW YORK STATE COMMON RETIREMENT FUND	0.24%	309.63K	23.86M	3.2K	+1.04%
Sep 30, 2025	JANUS HENDERSON GROUP PLC	0.29%	365.98K	28.2M	151.7K	+70.80%
Sep 30, 2025	ROYAL BANK OF CANADA	0.3%	381.59K	29.4M	163.09K	+74.65%
Sep 30, 2025	PROSHARE ADVISORS LLC	0.33%	422.64K	32.57M	67.49K	+19.00%
Sep 30, 2025	ALLSPRING GLOBAL INVESTMENTS HOLDINGS, LLC	0.43%	546.15K	41.92M	25.41K	+4.88%
Sep 30, 2025	ANTIPODES PARTNERS LTD	0.43%	555.9K	42.84M	-267.27K	-32.47%
Sep 30, 2025	GEODE CAPITAL MANAGEMENT, LLC	0.51%	653.09K	50.34M	78.86K	+13.73%
Sep 30, 2025	NUVEEN, LLC	0.54%	686.54K	52.9M	-199.59K	-22.52%
Sep 30, 2025	MIRAE ASSET GLOBAL ETFS HOLDINGS LTD.	0.67%	855.98K	65.96M	11.85K	+1.40%
Sep 30, 2025	JACOBS LEVY EQUITY MANAGEMENT, INC	0.67%	860.72K	66.33M	-124.54K	-12.64%
Sep 30, 2025	UBS ASSET MANAGEMENT AMERICAS INC	0.72%	917.27K	70.69M	265.45K	+40.72%
Sep 30, 2025	GOLDMAN SACHS GROUP INC	0.82%	1.05M	81.02M	-7.55K	-0.71%
Sep 30, 2025	STATE STREET CORP	1.01%	1.3M	99.81M	-96.99K	-6.97%
Sep 30, 2025	DIMENSIONAL FUND ADVISORS LP	1.01%	1.3M	100.2M	25.07K	+1.97%
Sep 30, 2025	BRANDES INVESTMENT PARTNERS, LP	1.21%	1.55M	119.34M	91.82K	+6.30%
Sep 30, 2025	PRICE T ROWE ASSOCIATES INC /MD/	1.72%	2.21M	170.16M	149.56K	+7.26%
Sep 30, 2025	VICTORY CAPITAL MANAGEMENT INC	2.23%	2.87M	220.88M	-855.38K	-22.98%
Sep 30, 2025	BLACKROCK, INC.	2.48%	3.19M	245.49M	-142.96K	-4.29%
Sep 30, 2025	NOMURA HOLDINGS INC	0.11%	140K	10.79M	140K	+100.00%
Sep 30, 2025	UBS GROUP AG	0.44%	560.48K	43.19M	117.01K	+26.39%
Sep 30, 2025	MORGAN STANLEY	0.64%	815.63K	62.85M	353.14K	+76.36%
Sep 30, 2025	HOLOCENE ADVISORS, LP	0.67%	854.18K	65.82M	696.03K	+440.09%
Sep 30, 2025	VANGUARD GROUP INC	2.68%	3.44M	265.06M	-83.18K	-2.36%
Sep 30, 2025	ORBIS ALLAN GRAY LTD	3.05%	3.91M	301.64M	3.91M	+100.00%
Sep 30, 2025	LEGAL & GENERAL GROUP PLC	0.03%	36.63K	2.82M	-38.45K	-51.21%
Sep 30, 2025	WEDGE CAPITAL MANAGEMENT L L P/NC	0.03%	39.38K	3.03M	-93.03K	-70.26%
Sep 30, 2025	RETIREMENT SYSTEMS OF ALABAMA	0.03%	40.32K	3.11M	-436	-1.07%
Sep 30, 2025	JOURNEY ADVISORY GROUP, LLC	0.04%	45.07K	3.47M	230	+0.51%
Sep 30, 2025	BANK OF MONTREAL /CAN/	0.04%	45.17K	3.48M	-185.86K	-80.45%
Sep 30, 2025	LLOYD HARBOR CAPITAL MANAGEMENT, LLC	0.09%	110K	8.48M	110K	+100.00%
Sep 30, 2025	ILEX CAPITAL PARTNERS (UK) LLP	0.09%	110.69K	8.53M	-162.87K	-59.54%
Sep 30, 2025	IMPALA ASSET MANAGEMENT LLC	0.09%	115K	8.86M	115K	+100.00%
Sep 30, 2025	CITIGROUP INC	0.09%	117.15K	9.03M	44.53K	+61.31%
Sep 30, 2025	SPROTT INC.	0.1%	130K	10.02M	5K	+4.00%
Sep 30, 2025	INVESCO LTD.	0.11%	134.7K	10.38M	10.14K	+8.14%
Sep 30, 2025	1832 ASSET MANAGEMENT L.P.	0.11%	138.92K	10.71M	0	0
Sep 30, 2025	JPMORGAN CHASE & CO	0.12%	157.79K	12.16M	-9.8K	-5.85%
Sep 30, 2025	TEACHERS RETIREMENT SYSTEM OF THE STATE OF KENTUCKY	0.13%	165.32K	12.74M	60.3K	+57.42%
Sep 30, 2025	SCHRODER INVESTMENT MANAGEMENT GROUP	0.2%	261.56K	20.15M	12.58K	+5.05%
Sep 30, 2025	WALLEYE CAPITAL LLC	0.12%	148.32K	11.43M	36.12K	+32.19%
Sep 30, 2025	D. E. SHAW & CO., INC.	0.12%	160.01K	12.33M	-182.95K	-53.34%
Sep 30, 2025	BANK OF NEW YORK MELLON CORP	0.14%	177.98K	13.72M	-6.33K	-3.43%
Sep 30, 2025	ROBOTTI ROBERT	0.14%	181.85K	14.01M	-989	-0.54%
Jun 30, 2025	GOLDMAN SACHS GROUP INC	0.83%	1.06M	80.41M	17.75K	+1.71%
Jun 30, 2025	JACOBS LEVY EQUITY MANAGEMENT, INC	0.77%	985.26K	74.81M	209.46K	+27.00%
Jun 30, 2025	ALLSPRING GLOBAL INVESTMENTS HOLDINGS, LLC	0.41%	520.74K	41.91M	-31.03K	-5.62%
Jun 30, 2025	DIMENSIONAL FUND ADVISORS LP	0.99%	1.28M	96.83M	335.5K	+35.70%
Jun 30, 2025	NORGES BANK	1.07%	1.37M	104.31M	1.37M	+100.00%
Jun 30, 2025	STATE STREET CORP	1.09%	1.39M	105.71M	-237.88K	-14.59%
Jun 30, 2025	BRANDES INVESTMENT PARTNERS, LP	1.14%	1.46M	110.62M	1.04M	+246.03%
Jun 30, 2025	DEPRINCE RACE & ZOLLO INC	0.2%	253.37K	19.24M	22.88K	+9.93%
Jun 30, 2025	FMR LLC	1.26%	1.62M	122.65M	66.37K	+4.29%
Jun 30, 2025	PRICE T ROWE ASSOCIATES INC /MD/	1.6%	2.06M	156.31M	2.04M	+9,618.11%
Jun 30, 2025	BLACKROCK, INC.	2.6%	3.33M	252.75M	-331.71K	-9.06%
Jun 30, 2025	ALYESKA INVESTMENT GROUP, L.P.	0.19%	238.13K	18.08M	45.25K	+23.46%
Jun 30, 2025	ROYAL BANK OF CANADA	0.17%	218.49K	16.59M	179.81K	+464.77%
Jun 30, 2025	SCHRODER INVESTMENT MANAGEMENT GROUP	0.19%	248.98K	18.91M	-565	-0.23%
Jun 30, 2025	VANGUARD GROUP INC	2.75%	3.52M	267.49M	-27.5K	-0.77%
Jun 30, 2025	VICTORY CAPITAL MANAGEMENT INC	2.9%	3.72M	282.59M	-178.28K	-4.57%
Jun 30, 2025	BANK OF AMERICA CORP /DE/	0.11%	138.65K	10.53M	-82.79K	-37.39%
Jun 30, 2025	1832 ASSET MANAGEMENT L.P.	0.11%	138.92K	10.55M	-14.82K	-9.64%
Jun 30, 2025	RENAISSANCE TECHNOLOGIES LLC	0.11%	144.2K	10.95M	-135.9K	-48.52%
Jun 30, 2025	HOLOCENE ADVISORS, LP	0.12%	158.16K	12.01M	59.08K	+59.63%
Jun 30, 2025	TWO SIGMA ADVISERS, LP	0.12%	158.5K	12.03M	-7.6K	-4.58%
Jun 30, 2025	JPMORGAN CHASE & CO	0.13%	167.6K	12.73M	38.56K	+29.88%
Jun 30, 2025		0.13%	171.5K	13.02M	18.3K	+11.95%
Jun 30, 2025	VAN LANSCHOT KEMPEN INVESTMENT MANAGEMENT N.V.	0.14%	182.9K	13.89M	182.9K	+100.00%
Jun 30, 2025	BANK OF NEW YORK MELLON CORP	0.14%	184.31K	13.99M	-35.37K	-16.10%
Jun 30, 2025	BANK OF MONTREAL /CAN/	0.18%	231.02K	17.54M	20.8K	+9.89%
Jun 30, 2025	MIRAE ASSET GLOBAL ETFS HOLDINGS LTD.	0.66%	844.13K	64.1M	-9.7K	-1.14%
Jun 30, 2025	ANTIPODES PARTNERS LTD	0.64%	823.17K	62.51M	823.17K	+100.00%
Jun 30, 2025	MILLENNIUM MANAGEMENT LLC	0.62%	789.85K	59.97M	-111.38K	-12.36%
Jun 30, 2025	UBS ASSET MANAGEMENT AMERICAS INC	0.51%	651.83K	49.49M	280.65K	+75.61%
Jun 30, 2025	VOLORIDGE INVESTMENT MANAGEMENT, LLC	0.41%	520.26K	39.5M	173.29K	+49.94%
Jun 30, 2025	ARROWSTREET CAPITAL, LIMITED PARTNERSHIP	0.23%	290.04K	22.02M	290.04K	+100.00%
Jun 30, 2025	ILEX CAPITAL PARTNERS (UK) LLP	0.21%	273.56K	20.77M	-425.44K	-60.86%
Jun 30, 2025	CHARLES SCHWAB INVESTMENT MANAGEMENT INC	0.2%	256.85K	19.5M	12.35K	+5.05%
Jun 30, 2025	GEODE CAPITAL MANAGEMENT, LLC	0.45%	574.23K	43.61M	-2.55K	-0.44%
Jun 30, 2025	ROBOTTI ROBERT	0.14%	182.84K	13.77M	18.14K	+11.02%
Jun 30, 2025	BNP PARIBAS ARBITRAGE, SNC	0.14%	185.4K	14.08M	159.04K	+603.43%
Jun 30, 2025	ERSTE ASSET MANAGEMENT GMBH	0.13%	171.5K	13.02M	18.3K	+11.95%
Jun 30, 2025	JANUS HENDERSON GROUP PLC	0.17%	214.28K	16.27M	-180.24K	-45.69%
Jun 30, 2025	NUVEEN, LLC	0.69%	886.13K	67.28M	156.61K	+21.47%
Jun 30, 2025	NORTHERN TRUST CORP	0.18%	232.96K	17.69M	-81.66K	-25.95%
Jun 30, 2025	QUBE RESEARCH & TECHNOLOGIES LTD	0.1%	134.57K	10.22M	18.77K	+16.21%
Jun 30, 2025	NEW YORK STATE COMMON RETIREMENT FUND	0.24%	306.43K	23.27M	292.45K	+2,092.67%
Jun 30, 2025	WOODLINE PARTNERS LP	0.26%	327.29K	24.85M	327.29K	+100.00%
Jun 30, 2025	SUSQUEHANNA INTERNATIONAL GROUP, LLP	0.26%	330.81K	25.12M	319.73K	+2,884.61%
Jun 30, 2025	D. E. SHAW & CO., INC.	0.27%	342.96K	26.04M	114.6K	+50.19%
Jun 30, 2025	ENGINEERS GATE MANAGER LP	0.27%	351.01K	26.65M	348.27K	+12,724.66%
Jun 30, 2025	PROSHARE ADVISORS LLC	0.28%	355.15K	26.97M	94.83K	+36.43%
Jun 30, 2025	UBS GROUP AG	0.35%	443.47K	33.67M	-165.61K	-27.19%
Jun 30, 2025	MORGAN STANLEY	0.36%	462.49K	35.12M	199.93K	+76.15%
Mar 31, 2025	BANK OF NEW YORK MELLON CORP	0.17%	219.68K	21.97M	-6.3K	-2.79%
Mar 31, 2025	MIRAE ASSET GLOBAL ETFS HOLDINGS LTD.	0.67%	853.83K	85.41M	-28.64K	-3.25%
Mar 31, 2025	SCHRODER INVESTMENT MANAGEMENT GROUP	0.19%	249.55K	24.74M	-114.73K	-31.50%
Mar 31, 2025	BARCLAYS PLC	0.41%	522.5K	52.27M	66.5K	+14.58%
Mar 31, 2025	NORTHERN TRUST CORP	0.25%	314.62K	31.47M	8.96K	+2.93%
Mar 31, 2025	MORGAN STANLEY	0.2%	262.56K	26.26M	-38.99K	-12.93%
Mar 31, 2025	FMR LLC	1.21%	1.55M	154.93M	110.26K	+7.66%
Mar 31, 2025	CAPITAL WORLD INVESTORS	1.01%	1.29M	129.05M	2.63K	+0.20%
Mar 31, 2025	GOLDMAN SACHS GROUP INC	0.81%	1.04M	104.15M	102.27K	+10.89%
Mar 31, 2025	VOLORIDGE INVESTMENT MANAGEMENT, LLC	0.27%	346.97K	34.71M	127.94K	+58.41%
Mar 31, 2025	RENAISSANCE TECHNOLOGIES LLC	0.22%	280.1K	28.02M	-70.6K	-20.13%
Mar 31, 2025	TWO SIGMA INVESTMENTS, LP	0.21%	266.07K	26.62M	161.75K	+155.05%
Mar 31, 2025	PROSHARE ADVISORS LLC	0.2%	260.32K	26.04M	11.27K	+4.53%
Mar 31, 2025	ILEX CAPITAL PARTNERS (UK) LLP	0.54%	699.01K	69.92M	546.99K	+359.82%
Mar 31, 2025	UBS GROUP AG	0.47%	609.08K	60.93M	51.52K	+9.24%
Mar 31, 2025	GEODE CAPITAL MANAGEMENT, LLC	0.45%	576.78K	57.55M	18.84K	+3.38%
Mar 31, 2025	ALLSPRING GLOBAL INVESTMENTS HOLDINGS, LLC	0.43%	551.77K	55.17M	175.31K	+46.57%
Mar 31, 2025	JACOBS LEVY EQUITY MANAGEMENT, INC	0.6%	775.8K	77.6M	-23.45K	-2.93%
Mar 31, 2025	BRANDES INVESTMENT PARTNERS, LP	0.33%	421.02K	42.11M	421.02K	+100.00%
Mar 31, 2025	EXODUSPOINT CAPITAL MANAGEMENT, LP	0.33%	417.76K	41.79M	72.97K	+21.16%
Mar 31, 2025	D. E. SHAW & CO., INC.	0.18%	228.36K	22.84M	-24.39K	-9.65%
Mar 31, 2025	BANK OF AMERICA CORP /DE/	0.17%	221.44K	22.15M	171.25K	+341.16%
Mar 31, 2025		0.09%	117.23K	11.73M	32.23K	+37.92%
Mar 31, 2025	DIMENSIONAL FUND ADVISORS LP	0.73%	939.67K	93.98M	5.55K	+0.59%
Mar 31, 2025	MILLENNIUM MANAGEMENT LLC	0.7%	901.23K	90.15M	708.14K	+366.75%
Mar 31, 2025	JANUS HENDERSON GROUP PLC	0.31%	394.52K	39.1M	22.33K	+6.00%
Mar 31, 2025	UBS ASSET MANAGEMENT AMERICAS INC	0.29%	371.18K	37.13M	24.39K	+7.03%
Mar 31, 2025	DEPRINCE RACE & ZOLLO INC	0.18%	230.49K	23.06M	12.21K	+5.59%
Mar 31, 2025	BANK OF MONTREAL /CAN/	0.16%	210.22K	21.03M	60.65K	+40.55%
Mar 31, 2025	CITADEL ADVISORS LLC	0.66%	852.86K	85.31M	172.53K	+25.36%
Mar 31, 2025	BALYASNY ASSET MANAGEMENT L.P.	0.41%	521.88K	52.2M	-471.27K	-47.45%
Mar 31, 2025	CHARLES SCHWAB INVESTMENT MANAGEMENT INC	0.19%	244.5K	24.46M	8.14K	+3.45%
Mar 31, 2025	SQUAREPOINT OPS LLC	0.18%	232.06K	23.21M	53.75K	+30.15%
Mar 31, 2025	FIRST TRUST ADVISORS LP	0.13%	166.56K	16.66M	-660.96K	-79.87%
Mar 31, 2025	TWO SIGMA ADVISERS, LP	0.13%	166.1K	16.61M	63.1K	+61.26%
Mar 31, 2025	ROBOTTI ROBERT	0.13%	164.7K	16.47M	397	+0.24%
Mar 31, 2025	1832 ASSET MANAGEMENT L.P.	0.12%	153.74K	15.38M	-222.26K	-59.11%
Mar 31, 2025	MAN GROUP PLC	0.11%	140.89K	14.09M	102.09K	+263.13%
Mar 31, 2025	INVESCO LTD.	0.1%	134.38K	13.44M	-13.64K	-9.21%
Mar 31, 2025	JPMORGAN CHASE & CO	0.1%	129.04K	12.91M	17.81K	+16.01%
Mar 31, 2025	QUANTINNO CAPITAL MANAGEMENT LP	0.1%	127.51K	12.76M	38.92K	+43.94%
Mar 31, 2025	VICTORY CAPITAL MANAGEMENT INC	3.04%	3.9M	390.12M	586.18K	+17.69%
Mar 31, 2025	BLACKROCK, INC.	2.85%	3.66M	366.15M	2.51K	+0.07%
Mar 31, 2025	VANGUARD GROUP INC	2.77%	3.55M	355.14M	-327.66K	-8.45%
Mar 31, 2025	STATE STREET CORP	1.27%	1.63M	163.06M	435.86K	+36.50%
Mar 31, 2025	LEGAL & GENERAL GROUP PLC	0.11%	145K	14.5M	-12.65K	-8.03%
Mar 31, 2025	ALYESKA INVESTMENT GROUP, L.P.	0.15%	192.88K	19.29M	87.68K	+83.34%
Mar 31, 2025	AMERIPRISE FINANCIAL INC	0.09%	118.92K	11.89M	11.53K	+10.73%
Mar 31, 2024	LEGAL & GENERAL GROUP PLC	0.19%	246.13K	37.61M	-5.02K	-2.00%
Mar 31, 2024	RHUMBLINE ADVISERS	0.07%	94.47K	14.44M	-1.3K	-1.36%
Mar 31, 2024	FEDERATED HERMES, INC.	0.08%	96.05K	14.68M	-96.06K	-50.00%
Mar 31, 2024	MILLENNIUM MANAGEMENT LLC	0.08%	96.29K	14.71M	71.41K	+287.08%
Mar 31, 2024	GUGGENHEIM CAPITAL LLC	0.08%	97.07K	14.83M	13.53K	+16.19%
Mar 31, 2024	SCOUT INVESTMENTS, INC.	0.08%	97.61K	15.06M	-8.73K	-8.21%
Mar 31, 2024	GRANTHAM, MAYO, VAN OTTERLOO & CO. LLC	0.08%	103.21K	15.77M	-29.23K	-22.07%
Mar 31, 2024	ALYESKA INVESTMENT GROUP, L.P.	0.08%	106.75K	16.31M	61.39K	+135.32%
Mar 31, 2024	JANUS HENDERSON GROUP PLC	0.09%	109.2K	16.69M	-63.24K	-36.67%
Mar 31, 2024	AMERIPRISE FINANCIAL INC	0.09%	109.82K	16.78M	-8.56K	-7.23%
Mar 31, 2024	SWISS NATIONAL BANK	0.09%	115.1K	17.59M	-4.3K	-3.60%
Mar 31, 2024	WEDGE CAPITAL MANAGEMENT L L P/NC	0.06%	71.32K	10.9M	6.51K	+10.05%
Mar 31, 2024	ALLIANCEBERNSTEIN L.P.	0.06%	72.65K	11.1M	-202	-0.28%
Mar 31, 2024	PRINCIPAL FINANCIAL GROUP INC	0.09%	120.66K	18.44M	3.04K	+2.59%
Mar 31, 2024	JPMORGAN CHASE & CO	0.1%	131.46K	20.09M	38.18K	+40.92%
Mar 31, 2024	SCOPUS ASSET MANAGEMENT, L.P.	0.11%	136.76K	20.9M	136.76K	+100.00%
Mar 31, 2024	CERITY PARTNERS LLC	0.11%	144.11K	22.02M	83.43K	+137.50%
Mar 31, 2024	AQR CAPITAL MANAGEMENT LLC	0.11%	143.73K	21.91M	-51.74K	-26.47%
Mar 31, 2024	APPIAN WAY ASSET MANAGEMENT LP	0.13%	164.62K	25.15M	164.62K	+100.00%
Mar 31, 2024	ROBOTTI ROBERT	0.13%	167.67K	25.62M	-58.9K	-26.00%
Mar 31, 2024	BANK OF AMERICA CORP /DE/	0.15%	189.42K	28.94M	118.93K	+168.71%
Mar 31, 2024	MEREWETHER INVESTMENT MANAGEMENT, LP	0.15%	190.27K	29.07M	190.27K	+100.00%
Mar 31, 2024	EXODUSPOINT CAPITAL MANAGEMENT, LP	0.15%	191.55K	29.27M	112.06K	+140.97%
Mar 31, 2024	BALYASNY ASSET MANAGEMENT L.P.	0.16%	201.29K	30.76M	201.29K	+100.00%
Mar 31, 2024	UBS ASSET MANAGEMENT AMERICAS INC	0.16%	205.85K	31.45M	-4.25K	-2.02%
Mar 31, 2024	ALLSPRING GLOBAL INVESTMENTS HOLDINGS, LLC	0.17%	213.65K	32.65M	-21.23K	-9.04%
Mar 31, 2024	PROSHARE ADVISORS LLC	0.17%	220.29K	33.66M	-38.93K	-15.02%
Mar 31, 2024	CHARLES SCHWAB INVESTMENT MANAGEMENT INC	0.18%	232.89K	35.59M	-120.03K	-34.01%
Mar 31, 2024	VIDENT ADVISORY, LLC	0.07%	94.66K	14.46M	8.94K	+10.43%
Mar 31, 2024	NORTHERN TRUST CORP	0.19%	246.47K	37.66M	-55.81K	-18.46%
Mar 31, 2024	INVESCO LTD.	0.24%	309.97K	47.36M	-118.04K	-27.58%
Mar 31, 2024	SUSQUEHANNA INTERNATIONAL GROUP, LLP	0.25%	313.1K	47.84M	302.9K	+2,969.61%
Mar 31, 2024	MORGAN STANLEY	0.25%	317.99K	48.59M	62.09K	+24.27%
Mar 31, 2024	BANK OF NEW YORK MELLON CORP	0.27%	340.5K	52.03M	-8.68K	-2.49%
Mar 31, 2024	FIRST TRUST ADVISORS LP	0.38%	490.81K	75M	79K	+19.18%
Mar 31, 2024	GEODE CAPITAL MANAGEMENT, LLC	0.4%	507.36K	77.37M	21.82K	+4.49%
Mar 31, 2024	DIMENSIONAL FUND ADVISORS LP	0.76%	969.42K	148.13M	-56.64K	-5.52%
Mar 31, 2024	STATE STREET CORP	0.93%	1.19M	181.38M	-10.08K	-0.84%
Mar 31, 2024	CAPITAL WORLD INVESTORS	1.04%	1.33M	203.92M	22.74K	+1.73%
Mar 31, 2024	PACER ADVISORS, INC.	1.06%	1.36M	208.23M	220.19K	+19.27%
Mar 31, 2024	VICTORY CAPITAL MANAGEMENT INC	2.51%	3.21M	490.37M	-56.22K	-1.72%
Mar 31, 2024	VANGUARD GROUP INC	2.63%	3.36M	513.71M	-25.45K	-0.75%
Mar 31, 2024	BLACKROCK INC.	2.72%	3.48M	531.72M	-65.34K	-1.84%
Mar 31, 2024	FMR LLC	3.41%	4.36M	665.55M	53.39K	+1.24%
Mar 31, 2024	NATIXIS	0.07%	85K	12.99M	84.8K	+41,979.21%
Mar 31, 2024	CITADEL ADVISORS LLC	0.44%	562.17K	85.9M	-18.31K	-3.15%
Mar 31, 2024	MIRAE ASSET GLOBAL INVESTMENTS CO., LTD.	0.44%	566.55K	64.25M	-105.55K	-15.70%
Mar 31, 2024	NUVEEN ASSET MANAGEMENT, LLC	0.48%	618.11K	94.45M	87.71K	+16.54%
Mar 31, 2024	GOLDMAN SACHS GROUP INC	0.52%	662.68K	101.26M	-26.73K	-3.88%
Mar 31, 2024	ORBIS ALLAN GRAY LTD	2.11%	2.71M	414.77M	-112.8K	-3.99%
Mar 31, 2024	ENSIGN PEAK ADVISORS, INC	0.03%	37.69K	5.76M	-4.44K	-10.54%
Mar 31, 2024	AMERICAN CENTURY COMPANIES INC	0.03%	39.34K	6.01M	-20.86K	-34.65%
Mar 31, 2024	RETIREMENT SYSTEMS OF ALABAMA	0.03%	40.23K	6.15M	105	+0.26%
Mar 31, 2024	KNIGHTS OF COLUMBUS ASSET ADVISORS LLC	0.03%	40.88K	6.25M	492	+1.22%
Mar 31, 2024	AMERICAN INTERNATIONAL GROUP, INC.	0.03%	42.41K	6.48M	-867	-2.00%
Mar 31, 2024	BNP PARIBAS ARBITRAGE, SNC	0.03%	42.59K	6.51M	1.15K	+2.79%
Mar 31, 2024	CREDIT SUISSE AG/	0.04%	46.04K	7.03M	4.43K	+10.65%
Mar 31, 2024	JANNEY MONTGOMERY SCOTT LLC	0.04%	56.34K	8.61M	2.84K	+5.31%
Mar 31, 2024	QUANTINNO CAPITAL MANAGEMENT LP	0.05%	58.66K	8.96M	17.73K	+43.31%
Mar 31, 2024	CONTRAVISORY INVESTMENT MANAGEMENT, INC.	0.05%	63.21K	9.66M	-764	-1.19%
Mar 31, 2024	CALIFORNIA PUBLIC EMPLOYEES RETIREMENT SYSTEM	0.05%	64.41K	9.84M	-2.19K	-3.29%
Mar 31, 2024	LAZARD ASSET MANAGEMENT LLC	0.05%	67.88K	10.37M	64.96K	+2,218.44%
Mar 31, 2024	SPROTT INC.	0.05%	70K	10.7M	-20K	-22.22%
Mar 31, 2024	WELLS FARGO & COMPANY/MN	0.06%	71.21K	10.88M	-6.81K	-8.73%
Mar 31, 2024	STATE OF WISCONSIN INVESTMENT BOARD	0.06%	74.94K	11.45M	650	+0.87%
Mar 31, 2024	SUMITOMO MITSUI TRUST HOLDINGS, INC.	0.07%	87.04K	13.3M	-2.27K	-2.54%
Dec 31, 2023	AMERIPRISE FINANCIAL INC	0.09%	118.38K	16.57M	-6.48K	-5.19%
Dec 31, 2023	SWISS NATIONAL BANK	0.09%	119.4K	16.71M	-3.8K	-3.08%
Dec 31, 2023	GRANTHAM, MAYO, VAN OTTERLOO & CO. LLC	0.1%	132.45K	18.54M	-95.02K	-41.77%
Dec 31, 2023	JANUS HENDERSON GROUP PLC	0.13%	172.44K	24.13M	-33.18K	-16.13%
Dec 31, 2023	FEDERATED HERMES, INC.	0.15%	192.11K	26.89M	-216.19K	-52.95%
Dec 31, 2023	AQR CAPITAL MANAGEMENT LLC	0.15%	195.47K	27.36M	-115.15K	-37.07%
Dec 31, 2023	UBS ASSET MANAGEMENT AMERICAS INC	0.16%	210.09K	29.4M	2.12K	+1.02%
Dec 31, 2023	ROBOTTI ROBERT	0.18%	226.57K	31.71M	-1.06K	-0.46%
Dec 31, 2023	ALLSPRING GLOBAL INVESTMENTS HOLDINGS, LLC	0.18%	234.88K	32.87M	-55.44K	-19.10%
Dec 31, 2023	LEGAL & GENERAL GROUP PLC	0.2%	251.15K	35.15M	46.37K	+22.64%
Dec 31, 2023	MORGAN STANLEY	0.2%	255.9K	35.82M	-74.13K	-22.46%
Dec 31, 2023	PROSHARE ADVISORS LLC	0.2%	259.22K	36.28M	-17K	-6.15%
Dec 31, 2023	NORTHERN TRUST CORP	0.24%	302.29K	42.31M	-19.6K	-6.09%
Dec 31, 2023	BANK OF NEW YORK MELLON CORP	0.27%	349.18K	48.87M	-26.14K	-6.97%
Dec 31, 2023	CHARLES SCHWAB INVESTMENT MANAGEMENT INC	0.28%	352.92K	49.4M	8.29K	+2.41%
Dec 31, 2023	NORGES BANK	0.28%	364.11K	50.96M	364.11K	+100.00%
Dec 31, 2023	SAMLYN CAPITAL, LLC	0.31%	393.29K	55.05M	76.56K	+24.17%
Dec 31, 2023	FIRST TRUST ADVISORS LP	0.32%	411.82K	57.64M	-61.83K	-13.05%
Dec 31, 2023	INVESCO LTD.	0.33%	428.01K	59.9M	123.58K	+40.59%
Dec 31, 2023	GEODE CAPITAL MANAGEMENT, LLC	0.38%	485.54K	67.83M	11.4K	+2.41%
Dec 31, 2023	NUVEEN ASSET MANAGEMENT, LLC	0.41%	530.41K	74.24M	11.74K	+2.26%
Dec 31, 2023	CITADEL ADVISORS LLC	0.45%	580.48K	81.24M	-190.18K	-24.68%
Dec 31, 2023	MIRAE ASSET GLOBAL INVESTMENTS CO., LTD.	0.53%	672.1K	94.07M	-10.73K	-1.57%
Dec 31, 2023	GOLDMAN SACHS GROUP INC	0.54%	689.4K	96.49M	-16.09K	-2.28%
Dec 31, 2023	SOROBAN CAPITAL PARTNERS LP	0.68%	871.48K	121.97M	-27.36K	-3.04%
Dec 31, 2023	DIMENSIONAL FUND ADVISORS LP	0.8%	1.03M	143.61M	-76.48K	-6.94%
Dec 31, 2023	PACER ADVISORS, INC.	0.89%	1.14M	159.92M	66.61K	+6.19%
Dec 31, 2023	STATE STREET CORP	0.94%	1.2M	167.55M	68.7K	+6.09%
Dec 31, 2023	CAPITAL WORLD INVESTORS	1.03%	1.31M	183.6M	675.73K	+106.23%
Dec 31, 2023	ORBIS ALLAN GRAY LTD	2.21%	2.83M	395.7M	-384.28K	-11.97%
Dec 31, 2023	VICTORY CAPITAL MANAGEMENT INC	2.55%	3.27M	457.03M	-103.82K	-3.08%
Dec 31, 2023	VANGUARD GROUP INC	2.65%	3.39M	474.1M	4.53K	+0.13%
Dec 31, 2023	BLACKROCK INC.	2.77%	3.55M	496.18M	25.53K	+0.73%
Dec 31, 2023	FMR LLC	3.37%	4.3M	602.15M	-328.67K	-7.10%
Dec 31, 2023	WELLS FARGO & COMPANY/MN	0.06%	78.02K	10.92M	-6.51K	-7.70%
Dec 31, 2023	EXODUSPOINT CAPITAL MANAGEMENT, LP	0.06%	79.49K	11.13M	-41.04K	-34.05%
Dec 31, 2023	CAISSE DE DEPOT ET PLACEMENT DU QUEBEC	0.06%	82.15K	11.5M	-65.01K	-44.18%
Dec 31, 2023	GUGGENHEIM CAPITAL LLC	0.07%	83.54K	11.69M	-4.35K	-4.95%
Dec 31, 2023	TWO SIGMA INVESTMENTS, LP	0.07%	84.97K	11.89M	-14.65K	-14.71%
Dec 31, 2023	KBC GROUP NV	0.07%	85.01K	11.9M	-10.34K	-10.84%
Dec 31, 2023	WORLDQUANT MILLENNIUM ADVISORS LLC	0.07%	85.4K	11.95M	-34.27K	-28.64%
Dec 31, 2023	VIDENT ADVISORY, LLC	0.07%	85.72K	12M	293	+0.34%
Dec 31, 2023	SUMITOMO MITSUI TRUST HOLDINGS, INC.	0.07%	89.31K	12.5M	445	+0.50%
Dec 31, 2023	SPROTT INC.	0.07%	90K	12.6M	-5K	-5.26%
Dec 31, 2023	JPMORGAN CHASE & CO	0.07%	93.29K	13.06M	1.64K	+1.79%
Dec 31, 2023	RHUMBLINE ADVISERS	0.07%	95.77K	13.4M	-1.74K	-1.78%
Dec 31, 2023	TUDOR INVESTMENT CORP ET AL	0.08%	99.75K	13.96M	24.58K	+32.70%
Dec 31, 2023	SCOUT INVESTMENTS, INC.	0.08%	106.34K	14.88M	-17.67K	-14.25%
Dec 31, 2023	BANK OF MONTREAL /CAN/	0.09%	111.33K	15.88M	107.86K	+3,101.98%
Dec 31, 2023	PRINCIPAL FINANCIAL GROUP INC	0.09%	117.62K	16.46M	-170	-0.14%

Insiders

Insiders	Designation	Shares Held
TTWFGP LLC	10 percent owner	47.26M
CHAO ALBERT	Executive Chairman	627.72K
BENDER MARK STEVEN	EVP & CFO	40.36K
EDERINGTON L. BENJAMIN	EVP, GC, CAO and Secretary	37.42K
KEARNS ROGER L.	COO and EVP - PEM	26.39K
KENNER ANDREW	SVP - Chemical Manufacturing	11.44K
CHAO DAVID TSUNG-HUNG	director	7.78K
TEEL LAWRENCE E.	EVP and Special Advisor to CEO	4.9K
ZOELLER JOHNATHAN STEVAN	VP & Chief Accounting Officer	543
BUESINGER ROBERT F.	EVP, PEM Segment Head	0

Buying/Selling by Insiders

Date	Insider	Type	Cost	Shares	Value ($)	Shares Total
Dec 22, 2025	CHAO ALBERT	SALE	74.44	521	38.78K	627.72K
May 27, 2025	BUESINGER ROBERT F.	SALE	72.70	83	6.03K	0
Apr 22, 2025	BUESINGER ROBERT F.	PURCHASE	93.39	83	7.75K	83
Nov 29, 2024	CHAO DAVID TSUNG-HUNG	SALE	129.08	1.75K	225.89K	7.78K
Nov 22, 2024	CHAO DAVID TSUNG-HUNG	SALE	130.00	1.75K	227.5K	9.53K
May 09, 2024	BUESINGER ROBERT F.	SALE	158.50	3.5K	554.75K	17.64K
May 03, 2024	BENDER MARK STEVEN	SALE	152.19	4.95K	753.34K	40.36K
Mar 15, 2024	BUESINGER ROBERT F.	SALE	144.50	3.88K	560.37K	21.14K
Mar 13, 2024	BUESINGER ROBERT F.	SALE	144.50	122	17.63K	25.02K
Mar 06, 2024	BENDER MARK STEVEN	SALE	141.02	4.8K	677.46K	45.31K
Feb 26, 2024	BENDER MARK STEVEN	SALE	137.57	4.85K	667.76K	50.11K
Nov 15, 2023	BUESINGER ROBERT F.	SALE	130.50	4.22K	550.06K	16.75K
Aug 23, 2023	CHAO DAVID TSUNG-HUNG	SALE	131.00	1K	131K	10.15K
Aug 31, 2022	BUESINGER ROBERT F.	SALE	98.94	1K	98.94K	10.21K
Aug 26, 2022	ZOELLER JOHNATHAN STEVAN	SALE	107.08	542	58.04K	543
May 27, 2022	BUESINGER ROBERT F.	SALE	129.47	14.43K	1.87M	11.78K
May 19, 2022	CHAO ALBERT	SALE	129.38	5.05K	652.71K	472.98K
May 17, 2022	KEARNS ROGER L.	SALE	136.24	8.39K	1.14M	26.39K
May 05, 2022	EDERINGTON L. BENJAMIN	SALE	139.26	3.14K	437.69K	37.42K
Mar 31, 2022	BENDER MARK STEVEN	SALE	124.99	100	12.5K	30.73K
Mar 30, 2022	BENDER MARK STEVEN	SALE	125.10	3.06K	383.04K	30.73K
Mar 29, 2022	BENDER MARK STEVEN	SALE	122.44	4K	489.75K	30.73K
Mar 25, 2022	BENDER MARK STEVEN	SALE	125.74	2.95K	370.56K	30.73K
Mar 25, 2022	KEARNS ROGER L.	SALE	126.40	2.86K	361.64K	26.39K
Mar 24, 2022	BENDER MARK STEVEN	SALE	125.38	8K	1M	30.73K
Mar 23, 2022	BENDER MARK STEVEN	SALE	125.69	344	43.24K	30.73K
Mar 10, 2022	BUESINGER ROBERT F.	SALE	117.61	22.56K	2.65M	14.84K
Mar 09, 2022	BUESINGER ROBERT F.	SALE	115.55	2.73K	315.45K	14.84K
Mar 01, 2022	ZOELLER JOHNATHAN STEVAN	SALE	110.39	1.01K	111.05K	1.16K
Dec 02, 2021	CHAO ALBERT	SALE	92.29	20.33K	1.88M	441.94K
Dec 01, 2021	CHAO ALBERT	SALE	94.80	3.79K	359.2K	441.94K
Nov 11, 2021	BENDER MARK STEVEN	SALE	101.57	2.37K	240.62K	22.02K
Nov 08, 2021	BENDER MARK STEVEN	SALE	100.77	631	63.59K	24.39K
Nov 05, 2021	BENDER MARK STEVEN	SALE	98.80	6.36K	627.95K	25.02K
Aug 11, 2021	CHAO ALBERT	PURCHASE	86.21	3K	258.63K	441.94K
May 10, 2021	BUESINGER ROBERT F.	SALE	105.00	5K	525K	8.22K
Mar 12, 2021	BENDER MARK STEVEN	SALE	95.23	5.82K	554.24K	31.38K
Mar 09, 2021	BENDER MARK STEVEN	SALE	92.27	25.81K	2.38M	31.38K
Mar 08, 2021	BUESINGER ROBERT F.	SALE	95.00	7.86K	746.8K	13.3K
Feb 25, 2021	TEEL LAWRENCE E.	SALE	87.14	4.9K	427.16K	4.9K
Feb 25, 2021	ZOELLER JOHNATHAN STEVAN	SALE	86.94	1.01K	87.46K	0
Nov 24, 2020	BUESINGER ROBERT F.	SALE	77.50	4.58K	355.03K	10.57K
Nov 23, 2020	KENNER ANDREW	SALE	74.75	5.92K	442.82K	11.44K
Nov 06, 2020	CHAO ALBERT	SALE	75.12	4.2K	315.35K	427.66K
Nov 06, 2020	BENDER MARK STEVEN	SALE	74.79	1.6K	119.67K	27.88K
Nov 05, 2020	BENDER MARK STEVEN	SALE	74.54	420	31.31K	29.48K
Mar 27, 2020	TTWFGP LLC	PURCHASE	37.58	16.98K	637.92K	47.26M
Mar 26, 2020	TTWFGP LLC	PURCHASE	40.47	42.2K	1.71M	47.14M
Mar 25, 2020	TTWFGP LLC	PURCHASE	37.98	6.65K	252.6K	46.97M
Mar 24, 2020	TTWFGP LLC	PURCHASE	34.94	4.74K	165.55K	46.83M
Mar 19, 2020	TTWFGP LLC	PURCHASE	35.23	3K	105.76K	46.66M
Mar 18, 2020	TTWFGP LLC	PURCHASE	30.58	25.97K	794.16K	46.52M
Mar 17, 2020	TTWFGP LLC	PURCHASE	35.06	100	3.51K	46.49M
Mar 16, 2020	TTWFGP LLC	PURCHASE	31.42	160K	5.03M	320K
Mar 13, 2020	TTWFGP LLC	PURCHASE	32.94	160K	5.27M	160K

Insider Transaction Summary (6 Months)

SHARESTRANS

PURCHASE00

SALES5211

NET SHARES-5211

SHARES HELD627.72K1

% NET SHARES-100.08%0%

WLK Stock Ownership Breakdown

Westlake

Stock Outstanding Shares

Market Insider

Institutional Ownership

Insiders

Buying/Selling by Insiders

Insider Transaction Summary (6 Months)

Frequently Asked Questions

Stock Outstanding Shares

Market Insider

Institutional Ownership

Insiders

Buying/Selling by Insiders

Insider Transaction Summary (6 Months)

Frequently Asked Questions