How many institutions own ROCK 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 ROCK shares is 379, representing 103.5% of the company's common stock.

Who are the major shareholders selling Gibraltar Industries, Inc. stock?

RHUMBLINE ADVISERS, in the last quarter, reduced its stake in ROCK by -2.1% restricting it's holding to 93.22 thousand shares of worth nearly $5.47M. T. ROWE PRICE INVESTMENT MANAGEMENT, INC. also lessened -1.2% of the ROCK shares from its portfolio, reducing its holding to 563.7 thousand shares of worth $33.07M. SILVERCREST ASSET MANAGEMENT GROUP LLC also shunned ROCK shares holding by -1.37% last quarter which brought its holding to 756.62 thousand shares worth $44.38M.

Investors who are buying ROCK stock?

As per its latest 13F filing, UBS ASSET MANAGEMENT AMERICAS INC increased its stake in ROCK by 12.06% in the last quarter. The institutional holder raised its holding to 86.94 thousand shares having worth more than $5.10M. GAMCO INVESTORS, INC. ET AL also added 3.1% more shares of ROCK to its portfolio, raising its holding to 89.92 thousand shares of worth $5.27M. AQR CAPITAL MANAGEMENT LLC also increased its ROCK shares holding by 310.77% which brought its holding to 90.9 thousand shares worth $5.33M.

ROCK's major insiders: who are they?

The insider with the most stakes in ROCK is NOVA TRUST U/A 12/31/87 F/B/O LIPKE NEIL E , at the company. Additionally, ROCK stock is highly held by LIPKE NEIL E and BONNEVILLE TRUST U/A 12/31/87 F/B/O LIPKE BRIAN J among others.

Did an insider recently sell ROCK stock?

Company executives, directors, and other insiders own 0.78% percent of Gibraltar Industries, Inc.'s stock. Within the last six months, there have been 2 transaction(s) in which ROCK insiders have sold stock, totaling 2.17K shares. Insiders that have sold shares include NISH JAMES B, BURNS PATRICK, and WATOREK JEFFREY J..

Which insider recently purchased ROCK stock?

There have been 0 transaction(s) during the past 6-months in which Gibraltar Industries, Inc. insiders have bought stock, totalling 0 shares

How much of ROCK does insiders own?

Around 25.12K Gibraltar Industries, Inc. shares are held by insiders, which represents about 0.78% of ROCK stock.

Who is the insider with the largest stake?

ROCK , NOVA TRUST U/A 12/31/87 F/B/O LIPKE NEIL E holds the largest portfolio of the company's shares. ROCK shares owned by NOVA total nearly 655.53 thousand.

Which institution holds the most shares in ROCK?

UBS ASSET MANAGEMENT AMERICAS INC is the largest institutional owner in ROCK which holds 86.94 thousand shares worth $5.10M or 0.29% of the total ROCK shares outstanding followed by GAMCO INVESTORS, INC. ET AL with ownership of 89.92 thousand shares representing 0.3% of the ROCK ownership. AQR CAPITAL MANAGEMENT LLC is the third largest stakeholder with 90.9 thousand shares or 0.3% of the ownership worth more than $5.33M.

Is Gibraltar Industries, Inc. 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 ROCK is concerned, it is a stock which is optionable.

Is there a short position on ROCK's shares?

Number of ROCK shares short is 617.76K. 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 ROCK shares are there?

As of today, 29.49M shares of ROCK are outstanding.

Is there many float in ROCK 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, ROCK has 29.18M shares in float.

ROCK 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 ROCK is 1.89.

Gibraltar Industries (ROCK) 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 Shares2.09

Short Percent Of Float2.58

Shares Outstanding29.49M

Shares Float29.18M

Shares Short617.76K

Short Ratio1.89

2.58%

Short % of Float

2.09%

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

0.78% Percentage of Shares held by All Insiders

103.5% Percentage of Shares held by All Institutions

104.32% Percentage of Float held by Institutions

379

Number of Institutions Holding Shares

Institutional Ownership

About 103.5% of ROCK shares are held by financial institutions. UBS ASSET MANAGEMENT AMERICAS INC is the top corporate investor, holding 86.94K shares valued at $5.10M. A 0.29% stake in Gibraltar Industries, Inc. is owned by the company. GAMCO INVESTORS, INC. ET AL owns 89.92K shares valued at $5.27M, which translates its holding of 0.3% of the stake in the company.

Date	Holder	% Stake	Shares Held	Total Value ($)	Shares	% Change in Portfolio
Mar 31, 2025	UBS ASSET MANAGEMENT AMERICAS INC	0.29%	86.94K	5.1M	9.35K	+12.06%
Mar 31, 2025	GAMCO INVESTORS, INC. ET AL	0.3%	89.92K	5.27M	2.7K	+3.10%
Mar 31, 2025	AQR CAPITAL MANAGEMENT LLC	0.3%	90.9K	5.33M	68.77K	+310.77%
Mar 31, 2025	RHUMBLINE ADVISERS	0.31%	93.22K	5.47M	-2K	-2.10%
Mar 31, 2025	PUBLIC SECTOR PENSION INVESTMENT BOARD	0.32%	96.2K	5.64M	20.57K	+27.21%
Mar 31, 2025	CITIGROUP INC	0.34%	101.53K	5.96M	42.53K	+72.07%
Mar 31, 2025	PRIMECAP MANAGEMENT CO/CA/	0.34%	102.3K	6M	0	0
Mar 31, 2025	JANE STREET GROUP, LLC	0.34%	102.7K	6.02M	61.7K	+150.49%
Mar 31, 2025	CUBIST SYSTEMATIC STRATEGIES, LLC	0.47%	141.36K	8.29M	32.02K	+29.28%
Mar 31, 2025	PRINCIPAL FINANCIAL GROUP INC	0.55%	167.69K	9.84M	5.2K	+3.20%
Mar 31, 2025	T. ROWE PRICE INVESTMENT MANAGEMENT, INC.	1.86%	563.7K	33.07M	-6.83K	-1.20%
Mar 31, 2025	SILVERCREST ASSET MANAGEMENT GROUP LLC	2.5%	756.62K	44.38M	-10.52K	-1.37%
Mar 31, 2025	BANK OF NEW YORK MELLON CORP	0.79%	239.87K	14.07M	-141.82K	-37.16%
Mar 31, 2025	RENAISSANCE TECHNOLOGIES LLC	0.83%	250.37K	14.69M	-10.1K	-3.88%
Mar 31, 2025	SWEDBANK AB	0.92%	277.8K	16.3M	1.57K	+0.57%
Mar 31, 2025	ASSENAGON ASSET MANAGEMENT S.A.	0.98%	297.35K	17.44M	6.08K	+2.09%
Mar 31, 2025	MORGAN STANLEY	1.35%	408.25K	23.95M	39.09K	+10.59%
Mar 31, 2025	CHARLES SCHWAB INVESTMENT MANAGEMENT INC	1.5%	454.72K	26.67M	23.31K	+5.40%
Mar 31, 2025	MIRAE ASSET GLOBAL ETFS HOLDINGS LTD.	1.59%	479.89K	28.15M	175.77K	+57.80%
Mar 31, 2025	ALLSPRING GLOBAL INVESTMENTS HOLDINGS, LLC	1.62%	491.22K	28.51M	-121.05K	-19.77%
Mar 31, 2025	GEODE CAPITAL MANAGEMENT, LLC	2.88%	872.5K	51.19M	17.68K	+2.07%
Mar 31, 2025	FMR LLC	3.28%	992.85K	58.24M	176.73K	+21.66%
Mar 31, 2025	VICTORY CAPITAL MANAGEMENT INC	3.61%	1.09M	64.08M	-127.96K	-10.49%
Mar 31, 2025	STATE STREET CORP	4.24%	1.28M	75.24M	-49.25K	-3.70%
Mar 31, 2025	DIMENSIONAL FUND ADVISORS LP	5.64%	1.71M	100.05M	42.15K	+2.53%
Mar 31, 2025	PACER ADVISORS, INC.	0.57%	172.17K	10.1M	-547.62K	-76.08%
Mar 31, 2025	ANCORA ADVISORS, LLC	0.63%	191.69K	11.24M	128.72K	+204.43%
Mar 31, 2025	KENNEDY CAPITAL MANAGEMENT LLC	0.73%	222.08K	13.03M	75.82K	+51.84%
Mar 31, 2025	AMERIPRISE FINANCIAL INC	0.28%	83.95K	4.92M	-3.99K	-4.53%
Mar 31, 2025	QUBE RESEARCH & TECHNOLOGIES LTD	0.35%	105.1K	6.16M	-64.52K	-38.04%
Mar 31, 2025	SYSTEMATIC FINANCIAL MANAGEMENT LP	0.38%	116.04K	6.81M	125	+0.11%
Mar 31, 2025	CITADEL ADVISORS LLC	0.4%	119.48K	7.01M	15.3K	+14.69%
Mar 31, 2025	RBF CAPITAL, LLC	0.41%	123.1K	7.22M	0	0
Mar 31, 2025	UBS GROUP AG	1.05%	316.85K	18.59M	129.49K	+69.12%
Mar 31, 2025		1.17%	352.78K	20.69M	352.78K	+100.00%
Mar 31, 2025	D. E. SHAW & CO., INC.	1.17%	353.4K	20.73M	161.3K	+83.97%
Mar 31, 2025	WELLINGTON MANAGEMENT GROUP LLP	6.65%	2.01M	118.03M	471.11K	+30.57%
Mar 31, 2025	NORTHERN TRUST CORP	1.21%	367.33K	21.55M	338	+0.09%
Mar 31, 2025	ARROWSTREET CAPITAL, LIMITED PARTNERSHIP	1.26%	381.53K	22.38M	252.49K	+195.66%
Mar 31, 2025	TEACHER RETIREMENT SYSTEM OF TEXAS	0.28%	84.18K	4.94M	77.24K	+1,113.97%
Mar 31, 2025	RUSSELL INVESTMENTS GROUP, LTD.	0.28%	85.74K	5.03M	65.61K	+325.87%
Mar 31, 2025	NEW YORK STATE COMMON RETIREMENT FUND	0.43%	130.5K	7.66M	-6.01K	-4.40%
Mar 31, 2025	NORDEA INVESTMENT MANAGEMENT AB	0.45%	136.69K	7.95M	34.62K	+33.92%
Mar 31, 2025	JPMORGAN CHASE & CO	0.46%	138.18K	8.11M	-66.29K	-32.42%
Mar 31, 2025	ROYCE & ASSOCIATES LP	0.46%	140.06K	8.22M	-17.27K	-10.98%
Mar 31, 2025	GOLDMAN SACHS GROUP INC	0.64%	194.36K	11.4M	40.66K	+26.45%
Mar 31, 2025	INVESCO LTD.	0.83%	250.87K	14.72M	102.15K	+68.69%
Mar 31, 2025	PALISADE CAPITAL MANAGEMENT, LP	1.4%	422.14K	24.76M	-9.09K	-2.11%
Mar 31, 2025	BARROW HANLEY MEWHINNEY & STRAUSS LLC	2.68%	811.09K	47.58M	7.08K	+0.88%
Mar 31, 2025	BLACKROCK, INC.	17.3%	5.23M	307.04M	-262.56K	-4.78%
Mar 31, 2025	VANGUARD GROUP INC	9.9%	3M	175.73M	5.48K	+0.18%
Mar 31, 2024	TEACHER RETIREMENT SYSTEM OF TEXAS	0.16%	48.59K	3.91M	26.71K	+122.07%
Mar 31, 2024	POINT72 ASSET MANAGEMENT, L.P.	1.19%	363.39K	29.26M	119.65K	+49.09%
Mar 31, 2024		0.69%	211.3K	17.02M	211.3K	+100.00%
Mar 31, 2024	VANGUARD GROUP INC	9.46%	2.89M	232.62M	68.73K	+2.44%
Mar 31, 2024	DIMENSIONAL FUND ADVISORS LP	5.69%	1.74M	139.84M	-47.63K	-2.67%
Mar 31, 2024	STATE STREET CORP	3.78%	1.15M	92.83M	22.81K	+2.02%
Mar 31, 2024	BARROW HANLEY MEWHINNEY & STRAUSS LLC	2.73%	834.61K	67.21M	-6.66K	-0.79%
Mar 31, 2024	GW&K INVESTMENT MANAGEMENT, LLC	2.67%	816.1K	65.72M	-15.7K	-1.89%
Mar 31, 2024	GEODE CAPITAL MANAGEMENT, LLC	2.49%	761.03K	61.29M	32.89K	+4.52%
Mar 31, 2024	ALLSPRING GLOBAL INVESTMENTS HOLDINGS, LLC	1.92%	587.57K	47.32M	-47.02K	-7.41%
Mar 31, 2024	MORGAN STANLEY	1.89%	576.31K	46.41M	-204.24K	-26.17%
Mar 31, 2024	CHARLES SCHWAB INVESTMENT MANAGEMENT INC	1.23%	375.06K	30.2M	2.13K	+0.57%
Mar 31, 2024	NORTHERN TRUST CORP	1.15%	352.09K	28.35M	-18.51K	-4.99%
Mar 31, 2024	JANUS HENDERSON GROUP PLC	1.1%	336.99K	27.14M	-61.19K	-15.37%
Mar 31, 2024	MANUFACTURERS LIFE INSURANCE COMPANY, THE	1.05%	320.6K	25.82M	2.44K	+0.77%
Mar 31, 2024	ASSENAGON ASSET MANAGEMENT S.A.	1.03%	314.91K	25.36M	151.3K	+92.47%
Mar 31, 2024	NUVEEN ASSET MANAGEMENT, LLC	1.01%	308.78K	24.87M	2.32K	+0.76%
Mar 31, 2024	INTRINSIC EDGE CAPITAL MANAGEMENT LLC	0.97%	296.03K	23.84M	296.03K	+100.00%
Mar 31, 2024	ARROWSTREET CAPITAL, LIMITED PARTNERSHIP	0.91%	277.57K	22.35M	103.46K	+59.42%
Mar 31, 2024	MIRAE ASSET GLOBAL INVESTMENTS CO., LTD.	0.85%	258.59K	12.34M	-45.77K	-15.04%
Mar 31, 2024	INVESCO LTD.	0.78%	239.31K	19.27M	-16.48K	-6.44%
Mar 31, 2024	DRIEHAUS CAPITAL MANAGEMENT LLC	0.76%	232.63K	18.73M	232.63K	+100.00%
Mar 31, 2024	JPMORGAN CHASE & CO	0.72%	219.6K	17.68M	-23.2K	-9.55%
Mar 31, 2024	PRICE T ROWE ASSOCIATES INC /MD/	0.7%	214.15K	17.25M	-1.63K	-0.75%
Mar 31, 2024	SWEDBANK AB	0.69%	211.3K	17.02M	211.3K	+100.00%
Mar 31, 2024	MESIROW INSTITUTIONAL INVESTMENT MANAGEMENT, INC.	0.59%	179.18K	14.43M	-26.61K	-12.93%
Mar 31, 2024	KENNEDY CAPITAL MANAGEMENT LLC	0.44%	133.44K	10.75M	-45.51K	-25.43%
Mar 31, 2024	GOLDMAN SACHS GROUP INC	0.42%	128.88K	10.38M	-3.15K	-2.38%
Mar 31, 2024	RBF CAPITAL, LLC	0.4%	123.1K	9.91M	0	0
Mar 31, 2024	NORDEA INVESTMENT MANAGEMENT AB	0.39%	119.09K	9.71M	5.33K	+4.68%
Mar 31, 2024	SYSTEMATIC FINANCIAL MANAGEMENT LP	0.38%	117.49K	9.46M	-2.2K	-1.84%
Mar 31, 2024	ENVESTNET ASSET MANAGEMENT INC	0.35%	105.36K	8.48M	-407	-0.38%
Mar 31, 2024	PRIMECAP MANAGEMENT CO/CA/	0.33%	102.3K	8.24M	0	0
Mar 31, 2024	RHUMBLINE ADVISERS	0.31%	94.86K	7.64M	281	+0.30%
Mar 31, 2024	FIRST EAGLE INVESTMENT MANAGEMENT, LLC	0.31%	94.42K	7.6M	3.94K	+4.35%
Mar 31, 2024	GAMCO INVESTORS, INC. ET AL	0.29%	90.17K	7.26M	-100	-0.11%
Mar 31, 2024	KESTREL INVESTMENT MANAGEMENT CORP	0.29%	89.75K	7.23M	-500	-0.55%
Mar 31, 2024	BLACKROCK INC.	17.48%	5.34M	429.74M	-94.2K	-1.73%
Mar 31, 2024	PACER ADVISORS, INC.	3.09%	945.98K	76.18M	125.95K	+15.36%
Mar 31, 2024	MAN GROUP PLC	0.35%	106.26K	8.56M	-4.06K	-3.68%
Mar 31, 2024	LEGAL & GENERAL GROUP PLC	0.27%	83.42K	6.72B	-1.08K	-1.27%
Mar 31, 2024	LORD, ABBETT & CO. LLC	0.24%	72.59K	5.85M	72.59K	+100.00%
Mar 31, 2024	TETON ADVISORS, INC.	0.23%	71K	5.72M	-4K	-5.33%
Mar 31, 2024	QUBE RESEARCH & TECHNOLOGIES LTD	0.21%	62.59K	5.04M	1.34K	+2.18%
Mar 31, 2024	PUBLIC SECTOR PENSION INVESTMENT BOARD	0.2%	62.39K	5.02M	-770	-1.22%
Mar 31, 2024	SOUTH DAKOTA INVESTMENT COUNCIL	0.2%	61.91K	4.99M	-64.5K	-51.02%
Mar 31, 2024	ALLIANCEBERNSTEIN L.P.	0.2%	60.51K	4.87M	-3.13K	-4.92%
Mar 31, 2024	SWISS NATIONAL BANK	0.2%	60K	4.83M	0	0
Mar 31, 2024	AMERICAN CENTURY COMPANIES INC	0.19%	56.52K	4.55M	9.85K	+21.11%
Mar 31, 2024	FIRST TRUST ADVISORS LP	0.18%	54.51K	4.39M	-5.8K	-9.62%
Mar 31, 2024	NEW YORK STATE TEACHERS RETIREMENT SYSTEM	0.18%	54.06K	4.35M	100	+0.19%
Mar 31, 2024	CREDIT SUISSE AG/	0.17%	53.16K	4.28M	3.44K	+6.91%
Mar 31, 2024	THRIVENT FINANCIAL FOR LUTHERANS	0.17%	51.8K	4.17M	-717	-1.37%
Mar 31, 2024	TRUIST FINANCIAL CORP	0.16%	47.67K	3.84M	-1	0.00%
Mar 31, 2024	RAYMOND JAMES & ASSOCIATES	0.15%	47.28K	3.81M	-6.6K	-12.24%
Mar 31, 2024	PRUDENTIAL FINANCIAL INC	0.14%	43.62K	3.51M	-1.71K	-3.77%
Mar 31, 2024	VICTORY CAPITAL MANAGEMENT INC	4.3%	1.31M	105.57M	-119.4K	-8.35%
Mar 31, 2024	WELLINGTON MANAGEMENT GROUP LLP	3.75%	1.14M	92.11M	102.19K	+9.81%
Mar 31, 2024	SILVERCREST ASSET MANAGEMENT GROUP LLC	2.51%	766.05K	61.69M	-210.15K	-21.53%
Mar 31, 2024	PALISADE CAPITAL MANAGEMENT, LP	1.5%	459.65K	37.02M	-6.06K	-1.30%
Mar 31, 2024	BANK OF NEW YORK MELLON CORP	1.4%	426.98K	34.38M	-2.62K	-0.61%
Mar 31, 2024	T. ROWE PRICE INVESTMENT MANAGEMENT, INC.	1.3%	396.29K	31.91M	-8.68K	-2.14%
Mar 31, 2024	RENAISSANCE TECHNOLOGIES LLC	0.55%	168.6K	13.58M	-21.07K	-11.11%
Mar 31, 2024	PRINCIPAL FINANCIAL GROUP INC	0.55%	168.58K	13.58M	2.53K	+1.52%
Mar 31, 2024	AMERIPRISE FINANCIAL INC	0.53%	161.89K	13.04M	-6.45K	-3.83%
Mar 31, 2024	ROYCE & ASSOCIATES LP	0.53%	160.51K	12.93M	1.07K	+0.67%
Mar 31, 2024	NEW YORK STATE COMMON RETIREMENT FUND	0.44%	135K	10.87M	-27	-0.02%
Mar 31, 2024	CERITY PARTNERS LLC	0.44%	134.27K	10.81M	130.37K	+3,345.34%
Dec 31, 2023	KENNEDY CAPITAL MANAGEMENT LLC	0.59%	178.95K	14.13M	-36.93K	-17.11%
Dec 31, 2023	RENAISSANCE TECHNOLOGIES LLC	0.62%	189.67K	14.98M	13.77K	+7.83%
Dec 31, 2023	JPMORGAN CHASE & CO	0.8%	242.8K	19.18M	20.8K	+9.37%
Dec 31, 2023	POINT72 ASSET MANAGEMENT, L.P.	0.8%	243.74K	19.25M	35.76K	+17.19%
Dec 31, 2023	INVESCO LTD.	0.84%	255.79K	20.2M	10.57K	+4.31%
Dec 31, 2023	MIRAE ASSET GLOBAL INVESTMENTS CO., LTD.	1%	304.36K	24.04M	-676	-0.22%
Dec 31, 2023	NUVEEN ASSET MANAGEMENT, LLC	1.01%	306.46K	24.2M	32.04K	+11.68%
Dec 31, 2023	MANUFACTURERS LIFE INSURANCE COMPANY, THE	1.04%	318.17K	25.13M	7.68K	+2.47%
Dec 31, 2023	NORTHERN TRUST CORP	1.22%	370.6K	29.27M	-6.48K	-1.72%
Dec 31, 2023	CHARLES SCHWAB INVESTMENT MANAGEMENT INC	1.22%	372.94K	29.45M	288	+0.08%
Dec 31, 2023	JANUS HENDERSON GROUP PLC	1.31%	398.18K	31.45M	-24	-0.01%
Dec 31, 2023	T. ROWE PRICE INVESTMENT MANAGEMENT, INC.	1.33%	404.97K	31.99M	-10.47K	-2.52%
Dec 31, 2023	BANK OF NEW YORK MELLON CORP	1.41%	429.59K	33.93M	-42.48K	-9.00%
Dec 31, 2023	PALISADE CAPITAL MANAGEMENT, LP	1.53%	465.71K	36.78M	-34.01K	-6.81%
Dec 31, 2023	ALLSPRING GLOBAL INVESTMENTS HOLDINGS, LLC	2.08%	634.6K	50.12M	56.13K	+9.70%
Dec 31, 2023	GEODE CAPITAL MANAGEMENT, LLC	2.39%	728.14K	57.51M	83.11K	+12.89%
Dec 31, 2023	MORGAN STANLEY	2.56%	780.55K	61.65M	409.68K	+110.46%
Dec 31, 2023	PACER ADVISORS, INC.	2.69%	820.03K	64.77M	450.67K	+122.01%
Dec 31, 2023	GW&K INVESTMENT MANAGEMENT, LLC	2.73%	831.79K	65.7M	-28.84K	-3.35%
Dec 31, 2023	MESIROW INSTITUTIONAL INVESTMENT MANAGEMENT, INC.	0.68%	205.79K	16.25M	88	+0.04%
Dec 31, 2023	BARROW HANLEY MEWHINNEY & STRAUSS LLC	2.76%	841.27K	66.44M	-265.34K	-23.98%
Dec 31, 2023	SILVERCREST ASSET MANAGEMENT GROUP LLC	3.2%	976.2K	77.1M	-252.16K	-20.53%
Dec 31, 2023	WELLINGTON MANAGEMENT GROUP LLP	3.42%	1.04M	82.26M	1.04M	+100.00%
Dec 31, 2023	STATE STREET CORP	3.71%	1.13M	89.24M	-18.9K	-1.65%
Dec 31, 2023	VICTORY CAPITAL MANAGEMENT INC	4.69%	1.43M	112.97M	-411.18K	-22.33%
Dec 31, 2023	DIMENSIONAL FUND ADVISORS LP	5.85%	1.78M	140.91M	-81.99K	-4.39%
Dec 31, 2023	VANGUARD GROUP INC	9.25%	2.82M	222.72M	60.95K	+2.21%
Dec 31, 2023	BLACKROCK INC.	17.81%	5.43M	428.91M	201.2K	+3.85%
Dec 31, 2023	LEGAL & GENERAL GROUP PLC	0.28%	84.49K	6.67M	-554	-0.65%
Dec 31, 2023	KESTREL INVESTMENT MANAGEMENT CORP	0.3%	90.25K	7.13M	-20.5K	-18.51%
Dec 31, 2023	GAMCO INVESTORS, INC. ET AL	0.3%	90.27K	7.13M	-600	-0.66%
Dec 31, 2023	FIRST EAGLE INVESTMENT MANAGEMENT, LLC	0.3%	90.48K	7.15M	-5.03K	-5.27%
Dec 31, 2023	RHUMBLINE ADVISERS	0.31%	94.58K	7.47M	-6.12K	-6.08%
Dec 31, 2023	PRIMECAP MANAGEMENT CO/CA/	0.34%	102.3K	8.08M	-11.4K	-10.03%
Dec 31, 2023	TWO SIGMA ADVISERS, LP	0.34%	104.4K	8.25M	39.7K	+61.36%
Dec 31, 2023	ENVESTNET ASSET MANAGEMENT INC	0.35%	105.77K	8.35M	3.5K	+3.43%
Dec 31, 2023	PRICE T ROWE ASSOCIATES INC /MD/	0.71%	215.78K	17.04M	-5.49K	-2.48%
Dec 31, 2023	MAN GROUP PLC	0.36%	110.32K	8.71M	101.84K	+1,200.33%
Dec 31, 2023	NORDEA INVESTMENT MANAGEMENT AB	0.37%	113.76K	9.01M	8.06K	+7.62%
Dec 31, 2023	SYSTEMATIC FINANCIAL MANAGEMENT LP	0.39%	119.69K	9.45M	-2.6K	-2.13%
Dec 31, 2023	RBF CAPITAL, LLC	0.4%	123.1K	9.72M	0	0
Dec 31, 2023	SOUTH DAKOTA INVESTMENT COUNCIL	0.41%	126.41K	9.98M	-16.5K	-11.54%
Dec 31, 2023	GOLDMAN SACHS GROUP INC	0.43%	132.03K	10.43M	15.68K	+13.47%
Dec 31, 2023	NEW YORK STATE COMMON RETIREMENT FUND	0.44%	135.02K	10.66M	-413	-0.30%
Dec 31, 2023	ROYCE & ASSOCIATES LP	0.52%	159.45K	12.59M	-21.18K	-11.73%
Dec 31, 2023	ASSENAGON ASSET MANAGEMENT S.A.	0.54%	163.61K	12.92M	-171.91K	-51.24%
Dec 31, 2023	PRINCIPAL FINANCIAL GROUP INC	0.54%	166.06K	13.12M	-3.11K	-1.84%
Dec 31, 2023	AMERIPRISE FINANCIAL INC	0.55%	168.33K	13.29M	-30.71K	-15.43%
Dec 31, 2023	ARROWSTREET CAPITAL, LIMITED PARTNERSHIP	0.57%	174.12K	13.75M	68.48K	+64.83%
Dec 31, 2023	MILLENNIUM MANAGEMENT LLC	0.57%	175.17K	13.84M	-83.38K	-32.25%

Insiders

Among the ROCK insiders holding of 0.78% of the stake in company, NOVA TRUST U/A 12/31/87 F/B/O LIPKE NEIL E, , holds the largest shares of 655.53K. LIPKE NEIL E, , is the second largest ROCK insider with ownership of 655.53K shares. BONNEVILLE TRUST U/A 12/31/87 F/B/O LIPKE BRIAN J, , stands third with possession of 640.03K shares of that stake.

Insiders	Designation	Shares Held
NOVA TRUST U/A 12/31/87 F/B/O LIPKE NEIL E		655.53K
LIPKE NEIL E		655.53K
BONNEVILLE TRUST U/A 12/31/87 F/B/O LIPKE BRIAN J		640.03K
LIPKE BRIAN J	Chairman and CEO	640.03K
LIPKE ERIC R		617.53K
ELECTRA TRUST U/A 12/31/87 F/B/O LIPKE ERIC R		617.53K
LIPKE MEREDITH A	Vice President	500.98K
MONZA TRUST U/A 1/22/88 F/B/O LIPKE MEREDITH		500.98K
LIPKE CURTIS W		355.98K
CORVETTE TRUST U/A 12/31/87 F/B/O LIPKE CURTIS W		355.98K
ERAZMUS WALTER T		26.4K
RUSS ARTHUR A JR	director	19.58K
SPEZIO CARL P	Executive Vice President	16.31K
MONTAGUE WILLIAM P	director	13.21K
MYERS LINDA KRISTINE		12.68K
NISH JAMES B	director	11.98K
MATZ KENNETH	Vice President	5K
COLOMBO WILLIAM J	director	3.74K
WATOREK JEFFREY J.	VP, Treasurer, Secretary	3.51K
FLINT JOHN E	Sr. Vice President	3K
BARBERIO MARK G	director	2.7K
CAMPBELL DAVID N	director	1K
BURNS PATRICK	Chief Operating Officer	0
LIPPES GERALD S	director	0

Buying/Selling by Insiders

Date	Insider	Type	Cost	Shares	Value ($)	Shares Total
May 05, 2025	NISH JAMES B	SALE	58.21	1.17K	68.22K	11.98K
May 02, 2025	NISH JAMES B	SALE	57.91	1K	57.91K	13.15K
May 23, 2023	NISH JAMES B	SALE	56.69	4.96K	281.35K	11.98K
May 20, 2022	MYERS LINDA KRISTINE	PURCHASE	38.16	1.6K	61.05K	12.68K
Mar 01, 2022	MYERS LINDA KRISTINE	PURCHASE	45.70	1.65K	75.32K	8.62K
Nov 30, 2021	BURNS PATRICK	SALE	69.90	500	34.95K	0
Nov 19, 2021	MYERS LINDA KRISTINE	PURCHASE	75.72	530	40.13K	3.65K
May 20, 2021	MYERS LINDA KRISTINE	PURCHASE	77.71	962	74.76K	3.12K
Mar 11, 2021	BURNS PATRICK	SALE	94.00	2.58K	242.05K	604
Mar 10, 2021	WATOREK JEFFREY J.	SALE	88.00	4.92K	432.96K	3.51K
Mar 03, 2021	MYERS LINDA KRISTINE	PURCHASE	85.52	585	50.03K	2.16K
Aug 17, 2020	WATOREK JEFFREY J.	SALE	68.70	2.5K	171.74K	6.08K
Aug 07, 2020	MYERS LINDA KRISTINE	PURCHASE	63.24	25	1.58K	25
May 14, 2020	BARBERIO MARK G	PURCHASE	37.95	2.7K	102.47K	2.7K
Aug 23, 2010	RUSS ARTHUR A JR	PURCHASE	6.00	4K	24K	19.58K
May 02, 2005	FLINT JOHN E	SALE	20.31	1.69K	34.38K	3K
Apr 27, 2005	COLOMBO WILLIAM J	PURCHASE	19.25	3.74K	72.01K	3.74K
Feb 22, 2005	SPEZIO CARL P	SALE	24.00	22.5K	540K	16.31K
Sep 01, 2004	RUSS ARTHUR A JR	SALE	32.19	100	3.22K	1.3K
Aug 26, 2004	MONTAGUE WILLIAM P	SALE	31.75	1.25K	39.69K	13.21K
Aug 16, 2004	ERAZMUS WALTER T	SALE	30.00	1K	30K	26.4K
Aug 04, 2004	SPEZIO CARL P	SALE	31.35	500	15.68K	5K
Aug 03, 2004	SPEZIO CARL P	SALE	31.94	2.5K	79.85K	7.03K
Aug 02, 2004	MATZ KENNETH	SALE	32.20	1.1K	35.42K	5K
Aug 02, 2004	SPEZIO CARL P	SALE	31.84	2K	63.68K	7.03K
May 17, 2004	FLINT JOHN E	SALE	24.90	1.69K	42.06K	2K
May 11, 2004	ERAZMUS WALTER T	SALE	25.05	500	12.53K	0
Feb 13, 2004	ERAZMUS WALTER T	SALE	24.00	20.35K	488.5K	16.38K
Feb 10, 2004	ERAZMUS WALTER T	SALE	24.00	17.5K	420K	16.38K
Jan 22, 2004	MONZA TRUST U/A 1/22/88 F/B/O LIPKE MEREDITH	SALE	24.75	30.98K	766.63K	500.98K
Jan 22, 2004	LIPKE MEREDITH A	SALE	24.75	30.98K	766.63K	500.98K
Jan 22, 2004	RUSS ARTHUR A JR	SALE	24.75	154.88K	3.83M	2.77M
Jan 22, 2004	NOVA TRUST U/A 12/31/87 F/B/O LIPKE NEIL E	SALE	24.75	30.98K	766.63K	655.53K
Jan 22, 2004	LIPKE ERIC R	SALE	24.75	30.98K	766.63K	617.53K
Jan 22, 2004	ELECTRA TRUST U/A 12/31/87 F/B/O LIPKE ERIC R	SALE	24.75	30.98K	766.63K	617.53K
Jan 22, 2004	CORVETTE TRUST U/A 12/31/87 F/B/O LIPKE CURTIS W	SALE	24.75	30.98K	766.63K	355.98K
Jan 22, 2004	LIPKE NEIL E	SALE	24.75	30.98K	766.63K	655.53K
Jan 22, 2004	BONNEVILLE TRUST U/A 12/31/87 F/B/O LIPKE BRIAN J	SALE	24.75	30.98K	766.63K	640.03K
Jan 22, 2004	LIPKE BRIAN J	SALE	24.75	30.98K	766.63K	640.03K
Jan 22, 2004	LIPKE CURTIS W	SALE	24.75	30.98K	766.63K	355.98K
Dec 23, 2003	LIPPES GERALD S	SALE	24.75	45K	1.11M	0
Dec 23, 2003	CAMPBELL DAVID N	SALE	24.75	20K	495K	1K
Dec 23, 2003	LIPKE MEREDITH A	SALE	24.75	200K	4.95M	531.96K
Dec 23, 2003	BONNEVILLE TRUST U/A 12/31/87 F/B/O LIPKE BRIAN J	SALE	24.75	200K	4.95M	671K
Dec 23, 2003	MONZA TRUST U/A 1/22/88 F/B/O LIPKE MEREDITH	SALE	24.75	200K	4.95M	531.96K
Dec 23, 2003	CORVETTE TRUST U/A 12/31/87 F/B/O LIPKE CURTIS W	SALE	24.75	200K	4.95M	386.96K
Dec 23, 2003	NOVA TRUST U/A 12/31/87 F/B/O LIPKE NEIL E	SALE	24.75	200K	4.95M	686.5K
Dec 23, 2003	LIPKE NEIL E	SALE	24.75	200K	4.95M	686.5K
Dec 23, 2003	LIPKE ERIC R	SALE	24.75	200K	4.95M	648.5K
Dec 23, 2003	ELECTRA TRUST U/A 12/31/87 F/B/O LIPKE ERIC R	SALE	24.75	200K	4.95M	648.5K
Dec 23, 2003	LIPKE CURTIS W	SALE	24.75	200K	4.95M	386.96K
Dec 23, 2003	RUSS ARTHUR A JR	SALE	24.75	45K	1.11M	0
Dec 23, 2003	MONTAGUE WILLIAM P	SALE	24.75	20K	495K	14.46K
Dec 23, 2003	LIPKE BRIAN J	SALE	24.75	200K	4.95M	671K
Sep 05, 2003	LIPPES GERALD S	SALE	22.00	1.75K	38.5K	45K
Sep 05, 2003	MONTAGUE WILLIAM P	SALE	22.00	1.75K	38.5K	34.46K
Sep 05, 2003	RUSS ARTHUR A JR	SALE	22.00	1.75K	38.5K	45K
Sep 05, 2003	CAMPBELL DAVID N	SALE	22.00	1.75K	38.5K	21K
Sep 02, 2003	MONTAGUE WILLIAM P	SALE	22.00	2.5K	55K	36.21K
Sep 02, 2003	CAMPBELL DAVID N	SALE	22.00	2.5K	55K	22.75K
Sep 02, 2003	RUSS ARTHUR A JR	SALE	22.00	2.5K	55K	46.75K
Sep 02, 2003	LIPPES GERALD S	SALE	22.00	2.5K	55K	46.75K
Aug 12, 2003	SPEZIO CARL P	SALE	22.91	100	2.29K	17.4K

Insider Transaction Summary (6 Months)

SHARESTRANS

PURCHASE00

SALES2.17K2

NET SHARES-2.17K2

SHARES HELD25.12K2

% NET SHARES-108.65%0%

Frequently Asked Questions