How many institutions own WDC 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 WDC shares is 1016, representing 104.5% of the company's common stock.

Who are the major shareholders selling Western Digital Corporation stock?

JPMORGAN CHASE & CO, in the last quarter, reduced its stake in WDC by -14.91% restricting it's holding to 19.9 million shares of worth nearly $804.52M. BANK OF NEW YORK MELLON CORP also lessened -0.92% of the WDC shares from its portfolio, reducing its holding to 2.15 million shares of worth $87.10M. CHARLES SCHWAB INVESTMENT MANAGEMENT INC also shunned WDC shares holding by -0.39% last quarter which brought its holding to 2.37 million shares worth $95.74M.

Investors who are buying WDC stock?

As per its latest 13F filing, UBS GROUP AG increased its stake in WDC by 111.24% in the last quarter. The institutional holder raised its holding to 17.09 million shares having worth more than $690.92M. BANK OF AMERICA CORP /DE/ also added 12.5% more shares of WDC to its portfolio, raising its holding to 18.24 million shares of worth $737.30M. FMR LLC also increased its WDC shares holding by 16.86% which brought its holding to 27.54 million shares worth $1.11B.

WDC's major insiders: who are they?

The insider with the most stakes in WDC is Goeckeler David , Chief Executive Officer at the company. Additionally, WDC stock is highly held by Chief Executive Officer Tan Irving and Chief Executive Officer MILLIGAN STEPHEN D among others.

Did an insider recently sell WDC stock?

Company executives, directors, and other insiders own 0.75% percent of Western Digital Corporation's stock. Within the last six months, there have been 5 transaction(s) in which WDC insiders have sold stock, totaling 15.47K shares. Insiders that have sold shares include ZAMISKA GENE M., TAN IRVING, and SODERBERY ROBERT.

Which insider recently purchased WDC stock?

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

How much of WDC does insiders own?

Around 772.27K Western Digital Corporation shares are held by insiders, which represents about 0.75% of WDC stock.

Who is the insider with the largest stake?

WDC Chief Executive Officer, Goeckeler David holds the largest portfolio of the company's shares. WDC shares owned by Goeckeler total nearly 821.63 thousand.

Which institution holds the most shares in WDC?

UBS GROUP AG is the largest institutional owner in WDC which holds 17.09 million shares worth $690.92M or 4.94% of the total WDC shares outstanding followed by BANK OF AMERICA CORP /DE/ with ownership of 18.24 million shares representing 5.27% of the WDC ownership. JPMORGAN CHASE & CO is the third largest stakeholder with 19.9 million shares or 5.75% of the ownership worth more than $804.52M.

Is Western Digital 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 WDC is concerned, it is a stock which is optionable.

Is there a short position on WDC's shares?

Number of WDC shares short is 31.36M. 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 WDC shares are there?

As of today, 348.88M shares of WDC are outstanding.

Is there many float in WDC 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, WDC has 346.04M shares in float.

WDC 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 WDC is 4.45.

Western Digital (WDC) 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 Shares8.99

Short Percent Of Float10.14

Shares Outstanding348.88M

Shares Float346.04M

Shares Short31.36M

Short Ratio4.45

10.14%

Short % of Float

8.99%

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

0.75% Percentage of Shares held by All Insiders

104.5% Percentage of Shares held by All Institutions

105.28% Percentage of Float held by Institutions

1016

Number of Institutions Holding Shares

Institutional Ownership

About 104.5% of WDC shares are held by financial institutions. UBS GROUP AG is the top corporate investor, holding 17.09M shares valued at $690.92M. A 4.94% stake in Western Digital Corporation is owned by the company. BANK OF AMERICA CORP /DE/ owns 18.24M shares valued at $737.30M, which translates its holding of 5.27% of the stake in the company.

Date	Holder	% Stake	Shares Held	Total Value ($)	Shares	% Change in Portfolio
Mar 31, 2025	UBS GROUP AG	4.94%	17.09M	690.92M	9M	+111.24%
Mar 31, 2025	BANK OF AMERICA CORP /DE/	5.27%	18.24M	737.3M	2.03M	+12.50%
Mar 31, 2025	JPMORGAN CHASE & CO	5.75%	19.9M	804.52M	-3.49M	-14.91%
Mar 31, 2025	FMR LLC	7.96%	27.54M	1.11B	3.97M	+16.86%
Mar 31, 2025	HAP TRADING, LLC	0.55%	1.9M	19.42M	464K	+32.35%
Mar 31, 2025	HSBC HOLDINGS PLC	0.58%	1.99M	79.29M	371.56K	+22.96%
Mar 31, 2025	BANK OF NEW YORK MELLON CORP	0.62%	2.15M	87.1M	-20.02K	-0.92%
Mar 31, 2025	BALYASNY ASSET MANAGEMENT L.P.	0.65%	2.24M	90.66M	2.23M	+22,453.42%
Mar 31, 2025	ELLIOTT INVESTMENT MANAGEMENT L.P.	0.65%	2.25M	90.97M	0	0
Mar 31, 2025	CHARLES SCHWAB INVESTMENT MANAGEMENT INC	0.68%	2.37M	95.74M	-9.35K	-0.39%
Mar 31, 2025	AMUNDI	0.73%	2.53M	86.38M	934.22K	+58.56%
Mar 31, 2025	PARNASSUS INVESTMENTS, LLC	0.74%	2.55M	103.24M	-426.43K	-14.31%
Mar 31, 2025	LEGAL & GENERAL GROUP PLC	0.75%	2.6M	104.95M	88.78K	+3.54%
Mar 31, 2025	ALLIANCEBERNSTEIN L.P.	0.85%	2.93M	118.3M	-367.55K	-11.16%
Mar 31, 2025	DIMENSIONAL FUND ADVISORS LP	0.85%	2.93M	118.57M	216.39K	+7.96%
Mar 31, 2025	BLACKROCK, INC.	8.68%	30.05M	1.21B	1.74M	+6.14%
Mar 31, 2025	VANGUARD GROUP INC	12.41%	42.94M	1.74B	478.73K	+1.13%
Mar 31, 2025	SUSQUEHANNA INTERNATIONAL GROUP, LLP	0.35%	1.2M	48.65M	-433.8K	-26.50%
Mar 31, 2025	WALLEYE TRADING LLC	0.35%	1.21M	49.03M	228.6K	+23.23%
Mar 31, 2025	ALLIANZ ASSET MANAGEMENT GMBH	0.4%	1.37M	55.51M	-27.67K	-1.98%
Mar 31, 2025	ROYAL BANK OF CANADA	0.45%	1.57M	63.31M	26.53K	+1.72%
Mar 31, 2025	MAPLE ROCK CAPITAL PARTNERS INC.	0.92%	3.19M	128.96M	205.9K	+6.90%
Mar 31, 2025	UBS ASSET MANAGEMENT AMERICAS INC	0.96%	3.33M	134.75M	-1.26M	-27.43%
Mar 31, 2025	DEUTSCHE BANK AG\	0.97%	3.37M	136.22M	1.74M	+107.11%
Mar 31, 2025	NORTHERN TRUST CORP	1%	3.45M	139.48M	52.14K	+1.53%
Mar 31, 2025	JANE STREET GROUP, LLC	0.88%	3.05M	123.21M	302.6K	+11.02%
Mar 31, 2025	ALYESKA INVESTMENT GROUP, L.P.	1.45%	5.03M	203.34M	2.84M	+130.01%
Mar 31, 2025	GEODE CAPITAL MANAGEMENT, LLC	2.64%	9.12M	367.55M	374K	+4.28%
Mar 31, 2025	CANADA PENSION PLAN INVESTMENT BOARD	0.36%	1.26M	50.9M	1.26M	+100.00%
Mar 31, 2025	GOLDMAN SACHS GROUP INC	0.37%	1.27M	51.19M	536.86K	+73.61%
Mar 31, 2025	HOLOCENE ADVISORS, LP	1.48%	5.1M	206.38M	2.09M	+69.35%
Mar 31, 2025	PRICE T ROWE ASSOCIATES INC /MD/	1.59%	5.5M	222.5M	-3.53M	-39.08%
Mar 31, 2025	DNB ASSET MANAGEMENT AS	1.61%	5.58M	225.46M	-2.16M	-27.89%
Mar 31, 2025	INVESCO LTD.	1.66%	5.76M	232.9M	1.76M	+43.86%
Mar 31, 2025	MORGAN STANLEY	1.89%	6.53M	263.93M	1.64M	+33.51%
Mar 31, 2025	FIL LTD	2.19%	7.57M	306.2M	5.37M	+243.84%
Mar 31, 2025	SLATE PATH CAPITAL LP	2.22%	7.67M	310.13M	976.49K	+14.59%
Mar 31, 2025	AMERIPRISE FINANCIAL INC	2.29%	7.91M	319.64M	1.35M	+20.66%
Mar 31, 2025	MIZUHO MARKETS AMERICAS LLC	0.91%	3.14M	30.1K	3.03M	+2,580.10%
Mar 31, 2025	ATALAN CAPITAL PARTNERS, LP	0.47%	1.61M	65.09M	560K	+53.33%
Mar 31, 2025	BNP PARIBAS ARBITRAGE, SNC	0.49%	1.68M	68.12M	349.47K	+26.17%
Mar 31, 2025	SQUAREPOINT OPS LLC	0.49%	1.69M	68.13M	-298.97K	-15.07%
Mar 31, 2025	CITADEL ADVISORS LLC	0.52%	1.8M	72.79M	-152.8K	-7.82%
Mar 31, 2025	SACHEM HEAD CAPITAL MANAGEMENT LP	0.53%	1.85M	74.59M	-1.12M	-37.83%
Mar 31, 2025	AMF TJANSTEPENSION AB	0.54%	1.87M	75.52M	288.46K	+18.26%
Mar 31, 2025	STATE STREET CORP	4.31%	14.9M	602.25M	111.67K	+0.76%
Mar 31, 2024	D. E. SHAW & CO., INC.	0.78%	2.53M	172.8M	-201.07K	-7.36%
Mar 31, 2024	ARTEMIS INVESTMENT MANAGEMENT LLP	0.76%	2.47M	168.58M	471.84K	+23.60%
Mar 31, 2024	FIL LTD	0.74%	2.42M	165.23M	445.47K	+22.55%
Mar 31, 2024	TWO SIGMA ADVISERS, LP	0.74%	2.41M	164.51M	976.8K	+68.12%
Mar 31, 2024	JPMORGAN CHASE & CO	0.71%	2.29M	156.36M	1.53M	+199.73%
Mar 31, 2024	BANK OF NEW YORK MELLON CORP	0.63%	2.05M	139.91M	-79.37K	-3.73%
Mar 31, 2024	TWO SIGMA INVESTMENTS, LP	0.58%	1.89M	128.9M	-204.94K	-9.79%
Mar 31, 2024	KODAI CAPITAL MANAGEMENT LP	0.57%	1.85M	126.1M	-2.22M	-54.54%
Mar 31, 2024	NEUBERGER BERMAN GROUP LLC	0.51%	1.65M	112.77M	1.41M	+567.82%
Mar 31, 2024	PRIMECAP MANAGEMENT CO/CA/	0.39%	1.28M	87.07M	-266.72K	-17.29%
Mar 31, 2024	CANADA PENSION PLAN INVESTMENT BOARD	0.33%	1.07M	73.13M	981.53K	+1,089.70%
Mar 31, 2024	BNP PARIBAS ARBITRAGE, SNC	0.33%	1.06M	72.57M	-674.09K	-38.79%
Mar 31, 2024	KOREA INVESTMENT CORP	0.31%	1.01M	68.9M	163.81K	+19.37%
Mar 31, 2024	WELLS FARGO & COMPANY/MN	0.31%	999.98K	68.24M	5.12K	+0.51%
Mar 31, 2024	SWISS NATIONAL BANK	0.3%	971.01K	66.26M	-42.6K	-4.20%
Mar 31, 2024	PEAK6 INVESTMENTS LLC	0.29%	950.9K	64.89M	868.2K	+1,049.82%
Mar 31, 2024	SCHRODER INVESTMENT MANAGEMENT GROUP	0.28%	905.14K	61.77M	-234.64K	-20.59%
Mar 31, 2024	THUNDERBIRD PARTNERS LLP	0.27%	875.16K	59.72M	-70.4K	-7.45%
Mar 31, 2024	PORTMAN SQUARE CAPITAL LLP	0.26%	829K	56.57M	389.4K	+88.58%
Mar 31, 2024	SUMITOMO MITSUI TRUST HOLDINGS, INC.	0.25%	822.28K	56.11M	64.98K	+8.58%
Mar 31, 2024	ALLIANZ ASSET MANAGEMENT GMBH	0.23%	748.28K	51.06M	342.1K	+84.23%
Mar 31, 2024	PRINCIPAL FINANCIAL GROUP INC	0.23%	744.08K	50.78M	-52.7K	-6.61%
Mar 31, 2024	ARTISAN PARTNERS LIMITED PARTNERSHIP	0.21%	689.27K	47.04M	689.27K	+100.00%
Mar 31, 2024	WESTFIELD CAPITAL MANAGEMENT CO LP	0.2%	640.81K	43.73M	-284.65K	-30.76%
Mar 31, 2024	CITIGROUP INC	0.16%	534.28K	36.46M	-493.24K	-48.00%
Mar 31, 2024	RHUMBLINE ADVISERS	0.18%	596.49K	40.7M	-25.16K	-4.05%
Mar 31, 2024	ASSENAGON ASSET MANAGEMENT S.A.	0.18%	588.73K	40.18M	23.36K	+4.13%
Mar 31, 2024	CALIFORNIA PUBLIC EMPLOYEES RETIREMENT SYSTEM	0.18%	575.43K	39.27M	98.48K	+20.65%
Mar 31, 2024	CREDIT SUISSE AG/	0.18%	570.61K	38.94M	-240.37K	-29.64%
Mar 31, 2024	MIZUHO MARKETS AMERICAS LLC	0.17%	550.86K	37.59M	-160.62K	-22.58%
Mar 31, 2024	BANK OF AMERICA CORP /DE/	4.06%	13.2M	901.06M	12.38M	+1,511.56%
Mar 31, 2024	NUVEEN ASSET MANAGEMENT, LLC	1.19%	3.86M	263.75M	2.99M	+341.98%
Mar 31, 2024	CHARLES SCHWAB INVESTMENT MANAGEMENT INC	0.96%	3.12M	213.07M	25.37K	+0.82%
Mar 31, 2024	NORTHERN TRUST CORP	0.93%	3.02M	206.28M	-60.33K	-1.96%
Mar 31, 2024	LEGAL & GENERAL GROUP PLC	0.93%	3.02M	206.31M	234	+0.01%
Mar 31, 2024	VOYA INVESTMENT MANAGEMENT LLC	0.89%	2.9M	197.83M	1.34M	+86.53%
Mar 31, 2024	GEODE CAPITAL MANAGEMENT, LLC	2.36%	7.66M	521.33M	240.66K	+3.24%
Mar 31, 2024	DNB ASSET MANAGEMENT AS	2.35%	7.65M	522.09M	2.06M	+36.92%
Mar 31, 2024	UBS GROUP AG	1.87%	6.07M	414.23M	327.09K	+5.70%
Mar 31, 2024	AMERIPRISE FINANCIAL INC	1.66%	5.4M	368.84M	1.26M	+30.28%
Mar 31, 2024	SLATE PATH CAPITAL LP	1.62%	5.29M	361.22M	515.87K	+10.80%
Mar 31, 2024	MILLENNIUM MANAGEMENT LLC	1.47%	4.77M	325.66M	-5.71M	-54.48%
Mar 31, 2024	MORGAN STANLEY	1.46%	4.73M	323.09M	-2.09M	-30.66%
Mar 31, 2024	INVESCO LTD.	1.43%	4.66M	318.13M	368.34K	+8.58%
Mar 31, 2024	FMR LLC	1.34%	4.35M	296.97M	3.83M	+731.63%
Mar 31, 2024	ALLIANCEBERNSTEIN L.P.	1.33%	4.33M	295.15M	-221.23K	-4.87%
Mar 31, 2024	POINT72 ASSET MANAGEMENT, L.P.	1.2%	3.92M	267.33M	-383.53K	-8.92%
Mar 31, 2024	SUSQUEHANNA INTERNATIONAL GROUP, LLP	0.41%	1.34M	91.76M	565.2K	+72.52%
Mar 31, 2024	HOLOCENE ADVISORS, LP	1.04%	3.4M	232.23M	167.25K	+5.17%
Mar 31, 2024	MAPLE ROCK CAPITAL PARTNERS INC.	0.46%	1.5M	102.36M	-500K	-25.00%
Mar 31, 2024	CITADEL ADVISORS LLC	0.88%	2.86M	195.26M	1.39M	+94.80%
Mar 31, 2024	DIMENSIONAL FUND ADVISORS LP	0.84%	2.74M	186.89M	-375.02K	-12.04%
Mar 31, 2024	VICTORY CAPITAL MANAGEMENT INC	0.84%	2.72M	185.46M	-5.64M	-67.48%
Mar 31, 2024	UBS ASSET MANAGEMENT AMERICAS INC	0.78%	2.55M	173.89M	211.58K	+9.05%
Mar 31, 2024	CLEARBRIDGE INVESTMENTS, LLC	0.49%	1.61M	109.98M	-46.15K	-2.78%
Mar 31, 2024	ROYAL BANK OF CANADA	0.48%	1.55M	106.06M	384.95K	+32.92%
Mar 31, 2024	DAVIDSON KEMPNER CAPITAL MANAGEMENT LP	0.48%	1.55M	105.81M	701.31K	+82.51%
Mar 31, 2024	HSBC HOLDINGS PLC	0.47%	1.54M	105.27M	324.88K	+26.67%
Mar 31, 2024	CDAM (UK) LTD	0.44%	1.44M	98.27M	-133.2K	-8.47%
Mar 31, 2024	PARNASSUS INVESTMENTS, LLC	0.43%	1.41M	96.55M	0	0
Mar 31, 2024	BANK OF MONTREAL /CAN/	0.42%	1.37M	93.36M	274.57K	+25.16%
Mar 31, 2024	FENGHE FUND MANAGEMENT PTE. LTD.	0.41%	1.33M	90.85M	1.13M	+557.77%
Mar 31, 2024	HAP TRADING, LLC	0.41%	1.33M	29.44M	1.23M	+1,215.86%
Mar 31, 2024	BALYASNY ASSET MANAGEMENT L.P.	0.4%	1.3M	88.73M	-3.64M	-73.68%
Mar 31, 2024	VANGUARD GROUP INC	11.85%	38.53M	2.63B	-53K	-0.14%
Mar 31, 2024	BLACKROCK INC.	8.45%	27.47M	1.87B	59.44K	+0.22%
Mar 31, 2024	STATE STREET CORP	3.98%	12.92M	881.69M	179.01K	+1.40%
Mar 31, 2024	PRICE T ROWE ASSOCIATES INC /MD/	6.75%	21.94M	1.5B	-2.23M	-9.23%
Dec 31, 2023	BLACKROCK INC.	8.43%	27.41M	1.44B	1.49M	+5.75%
Dec 31, 2023	SCHRODER INVESTMENT MANAGEMENT GROUP	0.35%	1.14M	59.69M	-72.97K	-6.02%
Dec 31, 2023	BANK OF AMERICA CORP /DE/	0.35%	1.15M	60.23M	0	0
Dec 31, 2023	ROYAL BANK OF CANADA	0.36%	1.17M	61.23M	887.76K	+315.42%
Dec 31, 2023	ELLIOTT INVESTMENT MANAGEMENT L.P.	0.36%	1.19M	62.06M	0	0
Dec 31, 2023	HSBC HOLDINGS PLC	0.37%	1.22M	63.99M	617.13K	+102.72%
Dec 31, 2023	PARNASSUS INVESTMENTS, LLC	0.44%	1.41M	74.1M	-570.97K	-28.75%
Dec 31, 2023	TWO SIGMA ADVISERS, LP	0.44%	1.43M	75.09M	1.29M	+872.80%
Dec 31, 2023	GOLDMAN SACHS GROUP INC	0.46%	1.49M	77.96M	105.4K	+7.62%
Dec 31, 2023	PRIMECAP MANAGEMENT CO/CA/	0.47%	1.54M	80.79M	-736.76K	-32.32%
Dec 31, 2023	VOYA INVESTMENT MANAGEMENT LLC	0.48%	1.55M	81.39M	1.45M	+1,332.03%
Dec 31, 2023	CDAM (UK) LTD	0.48%	1.57M	82.39M	0	0
Dec 31, 2023	CLEARBRIDGE INVESTMENTS, LLC	0.51%	1.66M	86.82M	-252.34K	-13.21%
Dec 31, 2023	BNP PARIBAS ARBITRAGE, SNC	0.53%	1.74M	91M	1.3M	+296.74%
Dec 31, 2023	FIL LTD	0.61%	1.98M	103.48M	-17.84K	-0.89%
Dec 31, 2023	ARTEMIS INVESTMENT MANAGEMENT LLP	0.62%	2M	100.84M	2M	+100.00%
Dec 31, 2023	TWO SIGMA INVESTMENTS, LP	0.64%	2.09M	109.65M	2.05M	+4,402.84%
Dec 31, 2023	BANK OF NEW YORK MELLON CORP	0.66%	2.13M	111.53M	-475.35K	-18.25%
Dec 31, 2023	UBS ASSET MANAGEMENT AMERICAS INC	0.72%	2.34M	122.37M	121.23K	+5.47%
Dec 31, 2023	ALYESKA INVESTMENT GROUP, L.P.	0.84%	2.73M	142.86M	-216.44K	-7.35%
Dec 31, 2023	D. E. SHAW & CO., INC.	0.84%	2.73M	143.14M	2.6M	+1,894.02%
Dec 31, 2023	MAPLE ROCK CAPITAL PARTNERS INC.	0.62%	2M	104.74M	2M	+100.00%
Dec 31, 2023	NORGES BANK	0.89%	2.88M	150.96M	2.88M	+100.00%
Dec 31, 2023	LEGAL & GENERAL GROUP PLC	0.93%	3.02M	158.32M	365.71K	+13.76%
Dec 31, 2023	NORTHERN TRUST CORP	0.95%	3.08M	161.47M	-185.57K	-5.68%
Dec 31, 2023	CHARLES SCHWAB INVESTMENT MANAGEMENT INC	0.95%	3.1M	162.19M	68.88K	+2.27%
Dec 31, 2023	DIMENSIONAL FUND ADVISORS LP	0.96%	3.11M	163.09M	-91.97K	-2.87%
Dec 31, 2023	HOLOCENE ADVISORS, LP	1%	3.24M	169.47M	1.8M	+126.09%
Dec 31, 2023		1.25%	4.07M	212.9M	4.07M	+100.00%
Dec 31, 2023	AMERIPRISE FINANCIAL INC	1.28%	4.15M	217.29M	-478.05K	-10.33%
Dec 31, 2023	INVESCO LTD.	1.32%	4.29M	224.86M	-872.03K	-16.88%
Dec 31, 2023	POINT72 ASSET MANAGEMENT, L.P.	1.32%	4.3M	225.25M	971.49K	+29.18%
Dec 31, 2023	VANGUARD GROUP INC	11.87%	38.58M	2.02B	215.21K	+0.56%
Dec 31, 2023	ALLIANCEBERNSTEIN L.P.	1.4%	4.55M	238.1M	-192.31K	-4.06%
Dec 31, 2023	SLATE PATH CAPITAL LP	1.47%	4.78M	250.2M	-846K	-15.04%
Dec 31, 2023	BALYASNY ASSET MANAGEMENT L.P.	1.52%	4.94M	258.78M	1.33M	+36.74%
Dec 31, 2023	DNB ASSET MANAGEMENT AS	1.72%	5.59M	292.63M	443.9K	+8.63%
Dec 31, 2023	UBS GROUP AG	1.77%	5.74M	300.77M	82.01K	+1.45%
Dec 31, 2023	MORGAN STANLEY	2.1%	6.83M	357.59M	4.38M	+178.40%
Dec 31, 2023	CITADEL ADVISORS LLC	0.45%	1.47M	76.93M	1.03M	+238.38%
Dec 31, 2023	GEODE CAPITAL MANAGEMENT, LLC	2.28%	7.42M	387.53M	252.49K	+3.52%
Dec 31, 2023	VICTORY CAPITAL MANAGEMENT INC	2.57%	8.36M	437.69M	70.98K	+0.86%
Dec 31, 2023	NOMURA HOLDINGS INC	2.7%	8.77M	459.39M	-4.59M	-34.35%
Dec 31, 2023	MILLENNIUM MANAGEMENT LLC	0.35%	1.15M	60.31M	-900	-0.08%
Dec 31, 2023	STATE STREET CORP	3.92%	12.74M	667.27M	216.93K	+1.73%
Dec 31, 2023	PRICE T ROWE ASSOCIATES INC /MD/	7.44%	24.17M	1.27B	-1.98M	-7.58%

Insiders

Among the WDC insiders holding of 0.75% of the stake in company, GOECKELER DAVID, Chief Executive Officer, holds the largest shares of 821.63K. TAN IRVING, Chief Executive Officer, is the second largest WDC insider with ownership of 605.48K shares. MILLIGAN STEPHEN D, Chief Executive Officer, stands third with possession of 357.79K shares of that stake.

Insiders	Designation	Shares Held
GOECKELER DAVID	Chief Executive Officer	821.63K
TAN IRVING	Chief Executive Officer	605.48K
MILLIGAN STEPHEN D	Chief Executive Officer	357.79K
SIVARAM SRINIVASAN	President, Tech & Strategy	254.51K
CORDANO MICHAEL D	President and COO	227.08K
LONG MARK P	Pres WD Capital, CSO & CFO	141.22K
SODERBERY ROBERT	EVP & GM, Flash Business	135.4K
BHATIA MANISH H	EVP Silicon Operations	69.69K
SUNDBERG LORI S	EVP & Chief Human Res Officer	62.8K
RAY MICHAEL CHARLES	EVP, Chief Legal Officer & Sec	61.47K
ZAMISKA GENE M.	SVP & Princ. Acctg Officer	39.6K
LAMBERT MICHAEL D	director	21.1K
ALEXY KIMBERLY	director	20.51K
MASSENGILL MATTHEW E	director	19.28K
COTE KATHLEEN A	director	14.42K
DENERO HENRY T	director	13.64K
PRICE PAULA A	director	7.55K

Buying/Selling by Insiders

Date	Insider	Type	Cost	Shares	Value ($)	Shares Total
Jun 17, 2025	ZAMISKA GENE M.	SALE	58.01	245	14.21K	39.6K
Jun 05, 2025	ZAMISKA GENE M.	SALE	54.88	1.73K	94.89K	40.09K
May 13, 2025	TAN IRVING	SALE	48.19	11.38K	548.35K	605.48K
Mar 12, 2025	ZAMISKA GENE M.	SALE	43.37	456	19.78K	43.32K
Mar 07, 2025	ZAMISKA GENE M.	SALE	41.36	1.66K	68.62K	43.78K
Nov 29, 2024	ZAMISKA GENE M.	SALE	72.63	313	22.73K	28.38K
Nov 26, 2024	ZAMISKA GENE M.	SALE	69.99	658	46.05K	28.86K
Nov 21, 2024	ZAMISKA GENE M.	SALE	64.47	376	24.24K	29.97K
Oct 29, 2024	SODERBERY ROBERT	SALE	68.01	30.77K	2.09M	135.4K
Oct 28, 2024	ZAMISKA GENE M.	SALE	69.94	1.99K	139.39K	30.61K
Oct 25, 2024	GOECKELER DAVID	SALE	72.58	75K	5.44M	821.63K
Sep 26, 2024	GOECKELER DAVID	SALE	70.32	75K	5.27M	896.63K
Sep 04, 2024	ZAMISKA GENE M.	SALE	61.96	2.17K	134.39K	32.6K
Aug 29, 2024	ZAMISKA GENE M.	SALE	63.32	315	19.95K	35.92K
Aug 27, 2024	ZAMISKA GENE M.	SALE	61.48	2.9K	178.29K	37.45K
Aug 21, 2024	ZAMISKA GENE M.	SALE	64.89	417	27.06K	28.87K
Aug 05, 2024	SODERBERY ROBERT	SALE	57.09	12.15K	693.86K	128.41K
Jun 17, 2024	ZAMISKA GENE M.	SALE	78.00	219	17.08K	29.51K
Jun 04, 2024	SODERBERY ROBERT	SALE	73.48	26.85K	1.97M	144.62K
May 21, 2024	ZAMISKA GENE M.	SALE	71.88	416	29.9K	30.32K
Apr 08, 2024	ZAMISKA GENE M.	SALE	75.00	443	33.23K	30.96K
Apr 01, 2024	ALEXY KIMBERLY	SALE	69.95	2.65K	185.23K	20.51K
Mar 01, 2024	ALEXY KIMBERLY	SALE	64.50	1.5K	96.75K	23.16K
Mar 01, 2024	ZAMISKA GENE M.	SALE	63.00	284	17.89K	31.4K
Nov 03, 2023	SODERBERY ROBERT	SALE	43.11	45.46K	1.96M	175.7K
Nov 02, 2023	SODERBERY ROBERT	SALE	42.49	20K	849.76K	221.16K
Sep 06, 2023	ZAMISKA GENE M.	SALE	45.42	2.17K	98.52K	43.01K
Sep 07, 2022	ZAMISKA GENE M.	SALE	40.90	2.17K	88.71K	31.55K
May 04, 2022	ZAMISKA GENE M.	SALE	63.00	4.78K	300.89K	26.72K
Feb 15, 2022	SIVARAM SRINIVASAN	SALE	53.37	11.38K	607.38K	254.51K
Jan 31, 2022	PRICE PAULA A	SALE	51.82	4.15K	215.05K	7.55K
Nov 02, 2021	ZAMISKA GENE M.	SALE	55.00	2.61K	143.39K	31.5K
Aug 06, 2021	SUNDBERG LORI S	SALE	67.92	3.38K	229.57K	62.8K
Jan 29, 2021	RAY MICHAEL CHARLES	SALE	59.92	22.74K	1.36M	61.47K
Jun 03, 2020	SUNDBERG LORI S	SALE	45.66	1.3K	59.35K	44.32K
Feb 12, 2020	CORDANO MICHAEL D	SALE	71.20	300	21.36K	227.08K
Feb 05, 2020	CORDANO MICHAEL D	SALE	70.16	200	14.03K	236.9K
Feb 04, 2020	RAY MICHAEL CHARLES	SALE	69.00	4.39K	302.7K	51.76K
Jan 31, 2020	CORDANO MICHAEL D	SALE	68.63	318	21.82K	237.1K
Jan 23, 2020	CORDANO MICHAEL D	SALE	71.56	1.83K	131.24K	247.11K
Jan 14, 2020	CORDANO MICHAEL D	SALE	70.15	2.03K	142.68K	261.82K
Jan 08, 2020	MILLIGAN STEPHEN D	SALE	68.54	7.16K	490.48K	357.79K
Jan 07, 2020	MILLIGAN STEPHEN D	SALE	67.97	4.63K	314.63K	364.95K
Dec 20, 2019	RAY MICHAEL CHARLES	SALE	59.79	4.66K	278.81K	51.76K
Dec 16, 2019	CORDANO MICHAEL D	SALE	57.65	2.6K	149.61K	263.85K
Dec 13, 2019	CORDANO MICHAEL D	SALE	55.12	1.32K	72.76K	270.22K
Nov 08, 2019	MASSENGILL MATTHEW E	SALE	52.73	243	12.81K	19.28K
Nov 05, 2019	CORDANO MICHAEL D	SALE	55.09	300	16.53K	271.31K
Nov 04, 2019	CORDANO MICHAEL D	SALE	55.01	5.63K	309.42K	271.61K
Oct 31, 2019	CORDANO MICHAEL D	SALE	57.53	1.54K	88.54K	277.24K
Sep 05, 2019	RAY MICHAEL CHARLES	SALE	60.51	4.99K	301.94K	51.76K
Sep 04, 2019	RAY MICHAEL CHARLES	SALE	59.96	87.05K	5.22M	25.43K
Aug 21, 2019	SUNDBERG LORI S	SALE	56.82	3.44K	195.57K	29.31K
Mar 12, 2019	LONG MARK P	SALE	50.00	17.52K	876.15K	141.22K
Mar 11, 2019	LONG MARK P	SALE	50.00	100	5K	158.74K
Nov 05, 2018	MASSENGILL MATTHEW E	SALE	47.68	1.68K	80.15K	16.17K
Aug 06, 2018	RAY MICHAEL CHARLES	SALE	67.65	4.39K	296.78K	100.85K
Aug 06, 2018	LONG MARK P	SALE	67.65	1.21K	82.13K	185.37K
Aug 03, 2018	LONG MARK P	SALE	68.74	2.23K	153.5K	188.41K
Jul 30, 2018	LONG MARK P	SALE	70.83	24.94K	1.77M	191.03K
Jun 11, 2018	RAY MICHAEL CHARLES	SALE	82.43	525	43.28K	95.43K
Jun 05, 2018	DENERO HENRY T	SALE	85.65	6.49K	556.05K	13.64K
May 29, 2018	SIVARAM SRINIVASAN	SALE	86.34	61.18K	5.28M	84.46K
May 22, 2018	RAY MICHAEL CHARLES	SALE	88.53	1.21K	106.94K	95.43K
May 22, 2018	PRICE PAULA A	SALE	87.65	3.29K	288.19K	10.08K
May 16, 2018	LAMBERT MICHAEL D	SALE	85.88	11.54K	991.2K	21.1K
May 14, 2018	MILLIGAN STEPHEN D	SALE	80.94	16.51K	1.34M	68.11K
May 04, 2018	RAY MICHAEL CHARLES	SALE	76.64	4.39K	336.14K	95.43K
Mar 13, 2018	RAY MICHAEL CHARLES	SALE	104.39	10.77K	1.12M	95.43K
Mar 12, 2018	MILLIGAN STEPHEN D	SALE	100.16	50.97K	5.11M	68.11K
Mar 12, 2018	RAY MICHAEL CHARLES	SALE	100.00	5.4K	539.9K	95.43K
Mar 09, 2018	MILLIGAN STEPHEN D	SALE	99.31	2.29K	227.52K	68.11K
Mar 09, 2018	LONG MARK P	SALE	98.94	4.21K	416.82K	207.6K
Mar 07, 2018	MILLIGAN STEPHEN D	SALE	94.49	23.16K	2.19M	70.41K
Feb 23, 2018	RAY MICHAEL CHARLES	SALE	88.53	1.21K	106.94K	38.94K
Feb 21, 2018	SIVARAM SRINIVASAN	SALE	87.04	2.1K	182.78K	85.55K
Feb 05, 2018	MILLIGAN STEPHEN D	SALE	84.96	6.25K	531.36K	140.37K
Feb 05, 2018	LONG MARK P	SALE	84.20	4.47K	376.04K	83.92K
Feb 05, 2018	RAY MICHAEL CHARLES	SALE	84.20	4.39K	369.39K	38.94K
Jan 31, 2018	RAY MICHAEL CHARLES	SALE	89.18	3.78K	337.19K	38.94K
Jan 30, 2018	RAY MICHAEL CHARLES	SALE	86.68	9.8K	849.71K	38.94K
Jan 29, 2018	MILLIGAN STEPHEN D	SALE	89.42	8.21K	734.3K	140.37K
Dec 19, 2017	CORDANO MICHAEL D	SALE	85.00	1.4K	119.09K	69.16K
Nov 13, 2017	LONG MARK P	SALE	88.13	4.47K	393.68K	83.92K
Nov 13, 2017	CORDANO MICHAEL D	SALE	88.13	1.4K	123.12K	69.16K
Nov 08, 2017	MASSENGILL MATTHEW E	SALE	86.53	2.68K	231.64K	17.76K
Nov 01, 2017	COTE KATHLEEN A	SALE	90.63	2K	181.26K	14.42K
Nov 01, 2017	LAMBERT MICHAEL D	SALE	89.36	1.06K	94.98K	18.3K
Oct 30, 2017	DENERO HENRY T	SALE	85.97	4.1K	352.2K	10.83K
Sep 18, 2017	CORDANO MICHAEL D	SALE	89.11	3.44K	306.9K	70.94K
Sep 12, 2017	LONG MARK P	SALE	87.63	1.45K	126.71K	83.92K
Aug 23, 2017	LONG MARK P	SALE	88.49	1.52K	134.24K	86.69K
Aug 18, 2017	BHATIA MANISH H	SALE	82.38	20.13K	1.66M	69.69K
Aug 16, 2017	SIVARAM SRINIVASAN	SALE	85.00	3.1K	263.33K	74.74K
Aug 14, 2017	LONG MARK P	SALE	80.97	1.52K	122.83K	86.69K
Aug 14, 2017	CORDANO MICHAEL D	SALE	81.67	568	46.39K	79.88K

Insider Transaction Summary (6 Months)

SHARESTRANS

PURCHASE00

SALES15.47K5

NET SHARES-15.47K5

SHARES HELD772.27K5

% NET SHARES-102%0%

Frequently Asked Questions

Stock Outstanding Shares

ShortableYes

OptionableYes

Short Percent Of Outstanding Shares8.99

Short Percent Of Float10.14

Shares Outstanding348.88M

Shares Float346.04M

Shares Short31.36M

Short Ratio4.45

10.14%

Short % of Float

8.99%

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

0.75% Percentage of Shares held by All Insiders

104.5% Percentage of Shares held by All Institutions

105.28% Percentage of Float held by Institutions

1016

Number of Institutions Holding Shares

Institutional Ownership

Date	Holder	% Stake	Shares Held	Total Value ($)	Shares	% Change in Portfolio
Mar 31, 2025	UBS GROUP AG	4.94%	17.09M	690.92M	9M	+111.24%
Mar 31, 2025	BANK OF AMERICA CORP /DE/	5.27%	18.24M	737.3M	2.03M	+12.50%
Mar 31, 2025	JPMORGAN CHASE & CO	5.75%	19.9M	804.52M	-3.49M	-14.91%
Mar 31, 2025	FMR LLC	7.96%	27.54M	1.11B	3.97M	+16.86%
Mar 31, 2025	HAP TRADING, LLC	0.55%	1.9M	19.42M	464K	+32.35%
Mar 31, 2025	HSBC HOLDINGS PLC	0.58%	1.99M	79.29M	371.56K	+22.96%
Mar 31, 2025	BANK OF NEW YORK MELLON CORP	0.62%	2.15M	87.1M	-20.02K	-0.92%
Mar 31, 2025	BALYASNY ASSET MANAGEMENT L.P.	0.65%	2.24M	90.66M	2.23M	+22,453.42%
Mar 31, 2025	ELLIOTT INVESTMENT MANAGEMENT L.P.	0.65%	2.25M	90.97M	0	0
Mar 31, 2025	CHARLES SCHWAB INVESTMENT MANAGEMENT INC	0.68%	2.37M	95.74M	-9.35K	-0.39%
Mar 31, 2025	AMUNDI	0.73%	2.53M	86.38M	934.22K	+58.56%
Mar 31, 2025	PARNASSUS INVESTMENTS, LLC	0.74%	2.55M	103.24M	-426.43K	-14.31%
Mar 31, 2025	LEGAL & GENERAL GROUP PLC	0.75%	2.6M	104.95M	88.78K	+3.54%
Mar 31, 2025	ALLIANCEBERNSTEIN L.P.	0.85%	2.93M	118.3M	-367.55K	-11.16%
Mar 31, 2025	DIMENSIONAL FUND ADVISORS LP	0.85%	2.93M	118.57M	216.39K	+7.96%
Mar 31, 2025	BLACKROCK, INC.	8.68%	30.05M	1.21B	1.74M	+6.14%
Mar 31, 2025	VANGUARD GROUP INC	12.41%	42.94M	1.74B	478.73K	+1.13%
Mar 31, 2025	SUSQUEHANNA INTERNATIONAL GROUP, LLP	0.35%	1.2M	48.65M	-433.8K	-26.50%
Mar 31, 2025	WALLEYE TRADING LLC	0.35%	1.21M	49.03M	228.6K	+23.23%
Mar 31, 2025	ALLIANZ ASSET MANAGEMENT GMBH	0.4%	1.37M	55.51M	-27.67K	-1.98%
Mar 31, 2025	ROYAL BANK OF CANADA	0.45%	1.57M	63.31M	26.53K	+1.72%
Mar 31, 2025	MAPLE ROCK CAPITAL PARTNERS INC.	0.92%	3.19M	128.96M	205.9K	+6.90%
Mar 31, 2025	UBS ASSET MANAGEMENT AMERICAS INC	0.96%	3.33M	134.75M	-1.26M	-27.43%
Mar 31, 2025	DEUTSCHE BANK AG\	0.97%	3.37M	136.22M	1.74M	+107.11%
Mar 31, 2025	NORTHERN TRUST CORP	1%	3.45M	139.48M	52.14K	+1.53%
Mar 31, 2025	JANE STREET GROUP, LLC	0.88%	3.05M	123.21M	302.6K	+11.02%
Mar 31, 2025	ALYESKA INVESTMENT GROUP, L.P.	1.45%	5.03M	203.34M	2.84M	+130.01%
Mar 31, 2025	GEODE CAPITAL MANAGEMENT, LLC	2.64%	9.12M	367.55M	374K	+4.28%
Mar 31, 2025	CANADA PENSION PLAN INVESTMENT BOARD	0.36%	1.26M	50.9M	1.26M	+100.00%
Mar 31, 2025	GOLDMAN SACHS GROUP INC	0.37%	1.27M	51.19M	536.86K	+73.61%
Mar 31, 2025	HOLOCENE ADVISORS, LP	1.48%	5.1M	206.38M	2.09M	+69.35%
Mar 31, 2025	PRICE T ROWE ASSOCIATES INC /MD/	1.59%	5.5M	222.5M	-3.53M	-39.08%
Mar 31, 2025	DNB ASSET MANAGEMENT AS	1.61%	5.58M	225.46M	-2.16M	-27.89%
Mar 31, 2025	INVESCO LTD.	1.66%	5.76M	232.9M	1.76M	+43.86%
Mar 31, 2025	MORGAN STANLEY	1.89%	6.53M	263.93M	1.64M	+33.51%
Mar 31, 2025	FIL LTD	2.19%	7.57M	306.2M	5.37M	+243.84%
Mar 31, 2025	SLATE PATH CAPITAL LP	2.22%	7.67M	310.13M	976.49K	+14.59%
Mar 31, 2025	AMERIPRISE FINANCIAL INC	2.29%	7.91M	319.64M	1.35M	+20.66%
Mar 31, 2025	MIZUHO MARKETS AMERICAS LLC	0.91%	3.14M	30.1K	3.03M	+2,580.10%
Mar 31, 2025	ATALAN CAPITAL PARTNERS, LP	0.47%	1.61M	65.09M	560K	+53.33%
Mar 31, 2025	BNP PARIBAS ARBITRAGE, SNC	0.49%	1.68M	68.12M	349.47K	+26.17%
Mar 31, 2025	SQUAREPOINT OPS LLC	0.49%	1.69M	68.13M	-298.97K	-15.07%
Mar 31, 2025	CITADEL ADVISORS LLC	0.52%	1.8M	72.79M	-152.8K	-7.82%
Mar 31, 2025	SACHEM HEAD CAPITAL MANAGEMENT LP	0.53%	1.85M	74.59M	-1.12M	-37.83%
Mar 31, 2025	AMF TJANSTEPENSION AB	0.54%	1.87M	75.52M	288.46K	+18.26%
Mar 31, 2025	STATE STREET CORP	4.31%	14.9M	602.25M	111.67K	+0.76%
Mar 31, 2024	D. E. SHAW & CO., INC.	0.78%	2.53M	172.8M	-201.07K	-7.36%
Mar 31, 2024	ARTEMIS INVESTMENT MANAGEMENT LLP	0.76%	2.47M	168.58M	471.84K	+23.60%
Mar 31, 2024	FIL LTD	0.74%	2.42M	165.23M	445.47K	+22.55%
Mar 31, 2024	TWO SIGMA ADVISERS, LP	0.74%	2.41M	164.51M	976.8K	+68.12%
Mar 31, 2024	JPMORGAN CHASE & CO	0.71%	2.29M	156.36M	1.53M	+199.73%
Mar 31, 2024	BANK OF NEW YORK MELLON CORP	0.63%	2.05M	139.91M	-79.37K	-3.73%
Mar 31, 2024	TWO SIGMA INVESTMENTS, LP	0.58%	1.89M	128.9M	-204.94K	-9.79%
Mar 31, 2024	KODAI CAPITAL MANAGEMENT LP	0.57%	1.85M	126.1M	-2.22M	-54.54%
Mar 31, 2024	NEUBERGER BERMAN GROUP LLC	0.51%	1.65M	112.77M	1.41M	+567.82%
Mar 31, 2024	PRIMECAP MANAGEMENT CO/CA/	0.39%	1.28M	87.07M	-266.72K	-17.29%
Mar 31, 2024	CANADA PENSION PLAN INVESTMENT BOARD	0.33%	1.07M	73.13M	981.53K	+1,089.70%
Mar 31, 2024	BNP PARIBAS ARBITRAGE, SNC	0.33%	1.06M	72.57M	-674.09K	-38.79%
Mar 31, 2024	KOREA INVESTMENT CORP	0.31%	1.01M	68.9M	163.81K	+19.37%
Mar 31, 2024	WELLS FARGO & COMPANY/MN	0.31%	999.98K	68.24M	5.12K	+0.51%
Mar 31, 2024	SWISS NATIONAL BANK	0.3%	971.01K	66.26M	-42.6K	-4.20%
Mar 31, 2024	PEAK6 INVESTMENTS LLC	0.29%	950.9K	64.89M	868.2K	+1,049.82%
Mar 31, 2024	SCHRODER INVESTMENT MANAGEMENT GROUP	0.28%	905.14K	61.77M	-234.64K	-20.59%
Mar 31, 2024	THUNDERBIRD PARTNERS LLP	0.27%	875.16K	59.72M	-70.4K	-7.45%
Mar 31, 2024	PORTMAN SQUARE CAPITAL LLP	0.26%	829K	56.57M	389.4K	+88.58%
Mar 31, 2024	SUMITOMO MITSUI TRUST HOLDINGS, INC.	0.25%	822.28K	56.11M	64.98K	+8.58%
Mar 31, 2024	ALLIANZ ASSET MANAGEMENT GMBH	0.23%	748.28K	51.06M	342.1K	+84.23%
Mar 31, 2024	PRINCIPAL FINANCIAL GROUP INC	0.23%	744.08K	50.78M	-52.7K	-6.61%
Mar 31, 2024	ARTISAN PARTNERS LIMITED PARTNERSHIP	0.21%	689.27K	47.04M	689.27K	+100.00%
Mar 31, 2024	WESTFIELD CAPITAL MANAGEMENT CO LP	0.2%	640.81K	43.73M	-284.65K	-30.76%
Mar 31, 2024	CITIGROUP INC	0.16%	534.28K	36.46M	-493.24K	-48.00%
Mar 31, 2024	RHUMBLINE ADVISERS	0.18%	596.49K	40.7M	-25.16K	-4.05%
Mar 31, 2024	ASSENAGON ASSET MANAGEMENT S.A.	0.18%	588.73K	40.18M	23.36K	+4.13%
Mar 31, 2024	CALIFORNIA PUBLIC EMPLOYEES RETIREMENT SYSTEM	0.18%	575.43K	39.27M	98.48K	+20.65%
Mar 31, 2024	CREDIT SUISSE AG/	0.18%	570.61K	38.94M	-240.37K	-29.64%
Mar 31, 2024	MIZUHO MARKETS AMERICAS LLC	0.17%	550.86K	37.59M	-160.62K	-22.58%
Mar 31, 2024	BANK OF AMERICA CORP /DE/	4.06%	13.2M	901.06M	12.38M	+1,511.56%
Mar 31, 2024	NUVEEN ASSET MANAGEMENT, LLC	1.19%	3.86M	263.75M	2.99M	+341.98%
Mar 31, 2024	CHARLES SCHWAB INVESTMENT MANAGEMENT INC	0.96%	3.12M	213.07M	25.37K	+0.82%
Mar 31, 2024	NORTHERN TRUST CORP	0.93%	3.02M	206.28M	-60.33K	-1.96%
Mar 31, 2024	LEGAL & GENERAL GROUP PLC	0.93%	3.02M	206.31M	234	+0.01%
Mar 31, 2024	VOYA INVESTMENT MANAGEMENT LLC	0.89%	2.9M	197.83M	1.34M	+86.53%
Mar 31, 2024	GEODE CAPITAL MANAGEMENT, LLC	2.36%	7.66M	521.33M	240.66K	+3.24%
Mar 31, 2024	DNB ASSET MANAGEMENT AS	2.35%	7.65M	522.09M	2.06M	+36.92%
Mar 31, 2024	UBS GROUP AG	1.87%	6.07M	414.23M	327.09K	+5.70%
Mar 31, 2024	AMERIPRISE FINANCIAL INC	1.66%	5.4M	368.84M	1.26M	+30.28%
Mar 31, 2024	SLATE PATH CAPITAL LP	1.62%	5.29M	361.22M	515.87K	+10.80%
Mar 31, 2024	MILLENNIUM MANAGEMENT LLC	1.47%	4.77M	325.66M	-5.71M	-54.48%
Mar 31, 2024	MORGAN STANLEY	1.46%	4.73M	323.09M	-2.09M	-30.66%
Mar 31, 2024	INVESCO LTD.	1.43%	4.66M	318.13M	368.34K	+8.58%
Mar 31, 2024	FMR LLC	1.34%	4.35M	296.97M	3.83M	+731.63%
Mar 31, 2024	ALLIANCEBERNSTEIN L.P.	1.33%	4.33M	295.15M	-221.23K	-4.87%
Mar 31, 2024	POINT72 ASSET MANAGEMENT, L.P.	1.2%	3.92M	267.33M	-383.53K	-8.92%
Mar 31, 2024	SUSQUEHANNA INTERNATIONAL GROUP, LLP	0.41%	1.34M	91.76M	565.2K	+72.52%
Mar 31, 2024	HOLOCENE ADVISORS, LP	1.04%	3.4M	232.23M	167.25K	+5.17%
Mar 31, 2024	MAPLE ROCK CAPITAL PARTNERS INC.	0.46%	1.5M	102.36M	-500K	-25.00%
Mar 31, 2024	CITADEL ADVISORS LLC	0.88%	2.86M	195.26M	1.39M	+94.80%
Mar 31, 2024	DIMENSIONAL FUND ADVISORS LP	0.84%	2.74M	186.89M	-375.02K	-12.04%
Mar 31, 2024	VICTORY CAPITAL MANAGEMENT INC	0.84%	2.72M	185.46M	-5.64M	-67.48%
Mar 31, 2024	UBS ASSET MANAGEMENT AMERICAS INC	0.78%	2.55M	173.89M	211.58K	+9.05%
Mar 31, 2024	CLEARBRIDGE INVESTMENTS, LLC	0.49%	1.61M	109.98M	-46.15K	-2.78%
Mar 31, 2024	ROYAL BANK OF CANADA	0.48%	1.55M	106.06M	384.95K	+32.92%
Mar 31, 2024	DAVIDSON KEMPNER CAPITAL MANAGEMENT LP	0.48%	1.55M	105.81M	701.31K	+82.51%
Mar 31, 2024	HSBC HOLDINGS PLC	0.47%	1.54M	105.27M	324.88K	+26.67%
Mar 31, 2024	CDAM (UK) LTD	0.44%	1.44M	98.27M	-133.2K	-8.47%
Mar 31, 2024	PARNASSUS INVESTMENTS, LLC	0.43%	1.41M	96.55M	0	0
Mar 31, 2024	BANK OF MONTREAL /CAN/	0.42%	1.37M	93.36M	274.57K	+25.16%
Mar 31, 2024	FENGHE FUND MANAGEMENT PTE. LTD.	0.41%	1.33M	90.85M	1.13M	+557.77%
Mar 31, 2024	HAP TRADING, LLC	0.41%	1.33M	29.44M	1.23M	+1,215.86%
Mar 31, 2024	BALYASNY ASSET MANAGEMENT L.P.	0.4%	1.3M	88.73M	-3.64M	-73.68%
Mar 31, 2024	VANGUARD GROUP INC	11.85%	38.53M	2.63B	-53K	-0.14%
Mar 31, 2024	BLACKROCK INC.	8.45%	27.47M	1.87B	59.44K	+0.22%
Mar 31, 2024	STATE STREET CORP	3.98%	12.92M	881.69M	179.01K	+1.40%
Mar 31, 2024	PRICE T ROWE ASSOCIATES INC /MD/	6.75%	21.94M	1.5B	-2.23M	-9.23%
Dec 31, 2023	BLACKROCK INC.	8.43%	27.41M	1.44B	1.49M	+5.75%
Dec 31, 2023	SCHRODER INVESTMENT MANAGEMENT GROUP	0.35%	1.14M	59.69M	-72.97K	-6.02%
Dec 31, 2023	BANK OF AMERICA CORP /DE/	0.35%	1.15M	60.23M	0	0
Dec 31, 2023	ROYAL BANK OF CANADA	0.36%	1.17M	61.23M	887.76K	+315.42%
Dec 31, 2023	ELLIOTT INVESTMENT MANAGEMENT L.P.	0.36%	1.19M	62.06M	0	0
Dec 31, 2023	HSBC HOLDINGS PLC	0.37%	1.22M	63.99M	617.13K	+102.72%
Dec 31, 2023	PARNASSUS INVESTMENTS, LLC	0.44%	1.41M	74.1M	-570.97K	-28.75%
Dec 31, 2023	TWO SIGMA ADVISERS, LP	0.44%	1.43M	75.09M	1.29M	+872.80%
Dec 31, 2023	GOLDMAN SACHS GROUP INC	0.46%	1.49M	77.96M	105.4K	+7.62%
Dec 31, 2023	PRIMECAP MANAGEMENT CO/CA/	0.47%	1.54M	80.79M	-736.76K	-32.32%
Dec 31, 2023	VOYA INVESTMENT MANAGEMENT LLC	0.48%	1.55M	81.39M	1.45M	+1,332.03%
Dec 31, 2023	CDAM (UK) LTD	0.48%	1.57M	82.39M	0	0
Dec 31, 2023	CLEARBRIDGE INVESTMENTS, LLC	0.51%	1.66M	86.82M	-252.34K	-13.21%
Dec 31, 2023	BNP PARIBAS ARBITRAGE, SNC	0.53%	1.74M	91M	1.3M	+296.74%
Dec 31, 2023	FIL LTD	0.61%	1.98M	103.48M	-17.84K	-0.89%
Dec 31, 2023	ARTEMIS INVESTMENT MANAGEMENT LLP	0.62%	2M	100.84M	2M	+100.00%
Dec 31, 2023	TWO SIGMA INVESTMENTS, LP	0.64%	2.09M	109.65M	2.05M	+4,402.84%
Dec 31, 2023	BANK OF NEW YORK MELLON CORP	0.66%	2.13M	111.53M	-475.35K	-18.25%
Dec 31, 2023	UBS ASSET MANAGEMENT AMERICAS INC	0.72%	2.34M	122.37M	121.23K	+5.47%
Dec 31, 2023	ALYESKA INVESTMENT GROUP, L.P.	0.84%	2.73M	142.86M	-216.44K	-7.35%
Dec 31, 2023	D. E. SHAW & CO., INC.	0.84%	2.73M	143.14M	2.6M	+1,894.02%
Dec 31, 2023	MAPLE ROCK CAPITAL PARTNERS INC.	0.62%	2M	104.74M	2M	+100.00%
Dec 31, 2023	NORGES BANK	0.89%	2.88M	150.96M	2.88M	+100.00%
Dec 31, 2023	LEGAL & GENERAL GROUP PLC	0.93%	3.02M	158.32M	365.71K	+13.76%
Dec 31, 2023	NORTHERN TRUST CORP	0.95%	3.08M	161.47M	-185.57K	-5.68%
Dec 31, 2023	CHARLES SCHWAB INVESTMENT MANAGEMENT INC	0.95%	3.1M	162.19M	68.88K	+2.27%
Dec 31, 2023	DIMENSIONAL FUND ADVISORS LP	0.96%	3.11M	163.09M	-91.97K	-2.87%
Dec 31, 2023	HOLOCENE ADVISORS, LP	1%	3.24M	169.47M	1.8M	+126.09%
Dec 31, 2023		1.25%	4.07M	212.9M	4.07M	+100.00%
Dec 31, 2023	AMERIPRISE FINANCIAL INC	1.28%	4.15M	217.29M	-478.05K	-10.33%
Dec 31, 2023	INVESCO LTD.	1.32%	4.29M	224.86M	-872.03K	-16.88%
Dec 31, 2023	POINT72 ASSET MANAGEMENT, L.P.	1.32%	4.3M	225.25M	971.49K	+29.18%
Dec 31, 2023	VANGUARD GROUP INC	11.87%	38.58M	2.02B	215.21K	+0.56%
Dec 31, 2023	ALLIANCEBERNSTEIN L.P.	1.4%	4.55M	238.1M	-192.31K	-4.06%
Dec 31, 2023	SLATE PATH CAPITAL LP	1.47%	4.78M	250.2M	-846K	-15.04%
Dec 31, 2023	BALYASNY ASSET MANAGEMENT L.P.	1.52%	4.94M	258.78M	1.33M	+36.74%
Dec 31, 2023	DNB ASSET MANAGEMENT AS	1.72%	5.59M	292.63M	443.9K	+8.63%
Dec 31, 2023	UBS GROUP AG	1.77%	5.74M	300.77M	82.01K	+1.45%
Dec 31, 2023	MORGAN STANLEY	2.1%	6.83M	357.59M	4.38M	+178.40%
Dec 31, 2023	CITADEL ADVISORS LLC	0.45%	1.47M	76.93M	1.03M	+238.38%
Dec 31, 2023	GEODE CAPITAL MANAGEMENT, LLC	2.28%	7.42M	387.53M	252.49K	+3.52%
Dec 31, 2023	VICTORY CAPITAL MANAGEMENT INC	2.57%	8.36M	437.69M	70.98K	+0.86%
Dec 31, 2023	NOMURA HOLDINGS INC	2.7%	8.77M	459.39M	-4.59M	-34.35%
Dec 31, 2023	MILLENNIUM MANAGEMENT LLC	0.35%	1.15M	60.31M	-900	-0.08%
Dec 31, 2023	STATE STREET CORP	3.92%	12.74M	667.27M	216.93K	+1.73%
Dec 31, 2023	PRICE T ROWE ASSOCIATES INC /MD/	7.44%	24.17M	1.27B	-1.98M	-7.58%

Insiders

Insiders	Designation	Shares Held
GOECKELER DAVID	Chief Executive Officer	821.63K
TAN IRVING	Chief Executive Officer	605.48K
MILLIGAN STEPHEN D	Chief Executive Officer	357.79K
SIVARAM SRINIVASAN	President, Tech & Strategy	254.51K
CORDANO MICHAEL D	President and COO	227.08K
LONG MARK P	Pres WD Capital, CSO & CFO	141.22K
SODERBERY ROBERT	EVP & GM, Flash Business	135.4K
BHATIA MANISH H	EVP Silicon Operations	69.69K
SUNDBERG LORI S	EVP & Chief Human Res Officer	62.8K
RAY MICHAEL CHARLES	EVP, Chief Legal Officer & Sec	61.47K
ZAMISKA GENE M.	SVP & Princ. Acctg Officer	39.6K
LAMBERT MICHAEL D	director	21.1K
ALEXY KIMBERLY	director	20.51K
MASSENGILL MATTHEW E	director	19.28K
COTE KATHLEEN A	director	14.42K
DENERO HENRY T	director	13.64K
PRICE PAULA A	director	7.55K

Buying/Selling by Insiders

Date	Insider	Type	Cost	Shares	Value ($)	Shares Total
Jun 17, 2025	ZAMISKA GENE M.	SALE	58.01	245	14.21K	39.6K
Jun 05, 2025	ZAMISKA GENE M.	SALE	54.88	1.73K	94.89K	40.09K
May 13, 2025	TAN IRVING	SALE	48.19	11.38K	548.35K	605.48K
Mar 12, 2025	ZAMISKA GENE M.	SALE	43.37	456	19.78K	43.32K
Mar 07, 2025	ZAMISKA GENE M.	SALE	41.36	1.66K	68.62K	43.78K
Nov 29, 2024	ZAMISKA GENE M.	SALE	72.63	313	22.73K	28.38K
Nov 26, 2024	ZAMISKA GENE M.	SALE	69.99	658	46.05K	28.86K
Nov 21, 2024	ZAMISKA GENE M.	SALE	64.47	376	24.24K	29.97K
Oct 29, 2024	SODERBERY ROBERT	SALE	68.01	30.77K	2.09M	135.4K
Oct 28, 2024	ZAMISKA GENE M.	SALE	69.94	1.99K	139.39K	30.61K
Oct 25, 2024	GOECKELER DAVID	SALE	72.58	75K	5.44M	821.63K
Sep 26, 2024	GOECKELER DAVID	SALE	70.32	75K	5.27M	896.63K
Sep 04, 2024	ZAMISKA GENE M.	SALE	61.96	2.17K	134.39K	32.6K
Aug 29, 2024	ZAMISKA GENE M.	SALE	63.32	315	19.95K	35.92K
Aug 27, 2024	ZAMISKA GENE M.	SALE	61.48	2.9K	178.29K	37.45K
Aug 21, 2024	ZAMISKA GENE M.	SALE	64.89	417	27.06K	28.87K
Aug 05, 2024	SODERBERY ROBERT	SALE	57.09	12.15K	693.86K	128.41K
Jun 17, 2024	ZAMISKA GENE M.	SALE	78.00	219	17.08K	29.51K
Jun 04, 2024	SODERBERY ROBERT	SALE	73.48	26.85K	1.97M	144.62K
May 21, 2024	ZAMISKA GENE M.	SALE	71.88	416	29.9K	30.32K
Apr 08, 2024	ZAMISKA GENE M.	SALE	75.00	443	33.23K	30.96K
Apr 01, 2024	ALEXY KIMBERLY	SALE	69.95	2.65K	185.23K	20.51K
Mar 01, 2024	ALEXY KIMBERLY	SALE	64.50	1.5K	96.75K	23.16K
Mar 01, 2024	ZAMISKA GENE M.	SALE	63.00	284	17.89K	31.4K
Nov 03, 2023	SODERBERY ROBERT	SALE	43.11	45.46K	1.96M	175.7K
Nov 02, 2023	SODERBERY ROBERT	SALE	42.49	20K	849.76K	221.16K
Sep 06, 2023	ZAMISKA GENE M.	SALE	45.42	2.17K	98.52K	43.01K
Sep 07, 2022	ZAMISKA GENE M.	SALE	40.90	2.17K	88.71K	31.55K
May 04, 2022	ZAMISKA GENE M.	SALE	63.00	4.78K	300.89K	26.72K
Feb 15, 2022	SIVARAM SRINIVASAN	SALE	53.37	11.38K	607.38K	254.51K
Jan 31, 2022	PRICE PAULA A	SALE	51.82	4.15K	215.05K	7.55K
Nov 02, 2021	ZAMISKA GENE M.	SALE	55.00	2.61K	143.39K	31.5K
Aug 06, 2021	SUNDBERG LORI S	SALE	67.92	3.38K	229.57K	62.8K
Jan 29, 2021	RAY MICHAEL CHARLES	SALE	59.92	22.74K	1.36M	61.47K
Jun 03, 2020	SUNDBERG LORI S	SALE	45.66	1.3K	59.35K	44.32K
Feb 12, 2020	CORDANO MICHAEL D	SALE	71.20	300	21.36K	227.08K
Feb 05, 2020	CORDANO MICHAEL D	SALE	70.16	200	14.03K	236.9K
Feb 04, 2020	RAY MICHAEL CHARLES	SALE	69.00	4.39K	302.7K	51.76K
Jan 31, 2020	CORDANO MICHAEL D	SALE	68.63	318	21.82K	237.1K
Jan 23, 2020	CORDANO MICHAEL D	SALE	71.56	1.83K	131.24K	247.11K
Jan 14, 2020	CORDANO MICHAEL D	SALE	70.15	2.03K	142.68K	261.82K
Jan 08, 2020	MILLIGAN STEPHEN D	SALE	68.54	7.16K	490.48K	357.79K
Jan 07, 2020	MILLIGAN STEPHEN D	SALE	67.97	4.63K	314.63K	364.95K
Dec 20, 2019	RAY MICHAEL CHARLES	SALE	59.79	4.66K	278.81K	51.76K
Dec 16, 2019	CORDANO MICHAEL D	SALE	57.65	2.6K	149.61K	263.85K
Dec 13, 2019	CORDANO MICHAEL D	SALE	55.12	1.32K	72.76K	270.22K
Nov 08, 2019	MASSENGILL MATTHEW E	SALE	52.73	243	12.81K	19.28K
Nov 05, 2019	CORDANO MICHAEL D	SALE	55.09	300	16.53K	271.31K
Nov 04, 2019	CORDANO MICHAEL D	SALE	55.01	5.63K	309.42K	271.61K
Oct 31, 2019	CORDANO MICHAEL D	SALE	57.53	1.54K	88.54K	277.24K
Sep 05, 2019	RAY MICHAEL CHARLES	SALE	60.51	4.99K	301.94K	51.76K
Sep 04, 2019	RAY MICHAEL CHARLES	SALE	59.96	87.05K	5.22M	25.43K
Aug 21, 2019	SUNDBERG LORI S	SALE	56.82	3.44K	195.57K	29.31K
Mar 12, 2019	LONG MARK P	SALE	50.00	17.52K	876.15K	141.22K
Mar 11, 2019	LONG MARK P	SALE	50.00	100	5K	158.74K
Nov 05, 2018	MASSENGILL MATTHEW E	SALE	47.68	1.68K	80.15K	16.17K
Aug 06, 2018	RAY MICHAEL CHARLES	SALE	67.65	4.39K	296.78K	100.85K
Aug 06, 2018	LONG MARK P	SALE	67.65	1.21K	82.13K	185.37K
Aug 03, 2018	LONG MARK P	SALE	68.74	2.23K	153.5K	188.41K
Jul 30, 2018	LONG MARK P	SALE	70.83	24.94K	1.77M	191.03K
Jun 11, 2018	RAY MICHAEL CHARLES	SALE	82.43	525	43.28K	95.43K
Jun 05, 2018	DENERO HENRY T	SALE	85.65	6.49K	556.05K	13.64K
May 29, 2018	SIVARAM SRINIVASAN	SALE	86.34	61.18K	5.28M	84.46K
May 22, 2018	RAY MICHAEL CHARLES	SALE	88.53	1.21K	106.94K	95.43K
May 22, 2018	PRICE PAULA A	SALE	87.65	3.29K	288.19K	10.08K
May 16, 2018	LAMBERT MICHAEL D	SALE	85.88	11.54K	991.2K	21.1K
May 14, 2018	MILLIGAN STEPHEN D	SALE	80.94	16.51K	1.34M	68.11K
May 04, 2018	RAY MICHAEL CHARLES	SALE	76.64	4.39K	336.14K	95.43K
Mar 13, 2018	RAY MICHAEL CHARLES	SALE	104.39	10.77K	1.12M	95.43K
Mar 12, 2018	MILLIGAN STEPHEN D	SALE	100.16	50.97K	5.11M	68.11K
Mar 12, 2018	RAY MICHAEL CHARLES	SALE	100.00	5.4K	539.9K	95.43K
Mar 09, 2018	MILLIGAN STEPHEN D	SALE	99.31	2.29K	227.52K	68.11K
Mar 09, 2018	LONG MARK P	SALE	98.94	4.21K	416.82K	207.6K
Mar 07, 2018	MILLIGAN STEPHEN D	SALE	94.49	23.16K	2.19M	70.41K
Feb 23, 2018	RAY MICHAEL CHARLES	SALE	88.53	1.21K	106.94K	38.94K
Feb 21, 2018	SIVARAM SRINIVASAN	SALE	87.04	2.1K	182.78K	85.55K
Feb 05, 2018	MILLIGAN STEPHEN D	SALE	84.96	6.25K	531.36K	140.37K
Feb 05, 2018	LONG MARK P	SALE	84.20	4.47K	376.04K	83.92K
Feb 05, 2018	RAY MICHAEL CHARLES	SALE	84.20	4.39K	369.39K	38.94K
Jan 31, 2018	RAY MICHAEL CHARLES	SALE	89.18	3.78K	337.19K	38.94K
Jan 30, 2018	RAY MICHAEL CHARLES	SALE	86.68	9.8K	849.71K	38.94K
Jan 29, 2018	MILLIGAN STEPHEN D	SALE	89.42	8.21K	734.3K	140.37K
Dec 19, 2017	CORDANO MICHAEL D	SALE	85.00	1.4K	119.09K	69.16K
Nov 13, 2017	LONG MARK P	SALE	88.13	4.47K	393.68K	83.92K
Nov 13, 2017	CORDANO MICHAEL D	SALE	88.13	1.4K	123.12K	69.16K
Nov 08, 2017	MASSENGILL MATTHEW E	SALE	86.53	2.68K	231.64K	17.76K
Nov 01, 2017	COTE KATHLEEN A	SALE	90.63	2K	181.26K	14.42K
Nov 01, 2017	LAMBERT MICHAEL D	SALE	89.36	1.06K	94.98K	18.3K
Oct 30, 2017	DENERO HENRY T	SALE	85.97	4.1K	352.2K	10.83K
Sep 18, 2017	CORDANO MICHAEL D	SALE	89.11	3.44K	306.9K	70.94K
Sep 12, 2017	LONG MARK P	SALE	87.63	1.45K	126.71K	83.92K
Aug 23, 2017	LONG MARK P	SALE	88.49	1.52K	134.24K	86.69K
Aug 18, 2017	BHATIA MANISH H	SALE	82.38	20.13K	1.66M	69.69K
Aug 16, 2017	SIVARAM SRINIVASAN	SALE	85.00	3.1K	263.33K	74.74K
Aug 14, 2017	LONG MARK P	SALE	80.97	1.52K	122.83K	86.69K
Aug 14, 2017	CORDANO MICHAEL D	SALE	81.67	568	46.39K	79.88K

Insider Transaction Summary (6 Months)

SHARESTRANS

PURCHASE00

SALES15.47K5

NET SHARES-15.47K5

SHARES HELD772.27K5

% NET SHARES-102%0%

WDC Stock Ownership Breakdown

Western Digital

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