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Gibraltar Industries, Inc.

ROCK
Exchange
Nasdaq
Industry
Steel Works, Blast Furnaces & Rolling & Finishing Mills
SEC CIK
0000912562

No open-market purchases or sales by Gibraltar Industries, Inc. insiders were filed in the last 90 days; 245 institutions reported holding it in 13F filings for Q2 2026, worth $1.39B in total; no superinvestor holds it.

Q2 2021 vs. Q1 2021

How the institutions holding Gibraltar Industries, Inc. changed between Q1 2021 and Q2 2021.

All holders in Q2 2021All holders in Q1 2021

13F holders of ROCK: Q1 2021 compared with Q2 2021
MeasureQ1 2021Q2 2021Change
Holders231215−16
Shares32.2M31.7M−496.2K (−1.5%)
Value$2.95B$2.42B−$528.2M (−17.9%)

New holders (26)

Institutions that held Gibraltar Industries, Inc. at the end of Q2 2021 but not at the end of Q1 2021.

Institutions new to ROCK in Q2 2021
InstitutionSharesValue% of portfolio
Channing Capital Management, LLC199,569$15.2M0.50%
Voloridge Investment Management, LLC33,029$2.52M0.02%
State of New Jersey Common Pension Fund D31,444$2.40M0.01%
Brinker Capital Investments, LLC31,120$2.38M0.03%
Autonomy Capital (Jersey) L.P.20,697$1.58M1.40%
Cubist Systematic Strategies, LLC8,271$631.0K0.01%
Quadrature Capital Ltd7,396$565.0K0.02%
HRT Financial LP7,249$553.0K0.01%
Tudor Investment Corp Et Al6,848$523.0K0.01%
Blueshift Asset Management, LLC5,408$413.0K0.02%
Dynamic Technology Lab Private Ltd4,900$374.0K0.04%
Campbell & CO Investment Adviser LLC4,856$371.0K0.16%
Qube Research & Technologies Ltd4,775$364.0K0.00%
Quantbot Technologies LP4,386$334.0K0.03%
Gsa Capital Partners LLP3,444$263.0K0.03%
Diversified Trust Co3,235$247.0K0.01%
Paloma Partners Management Co3,017$230.0K0.01%
Simplex Trading, LLC2,714$207.0K0.01%
State of Wyoming2,592$198.0K0.12%
Anchor Investment Management, LLC2,075$158.3K0.02%
Advisory Services Network, LLC823$63.0K0.00%
First Eagle Investment Management, LLC400$31.0K0.00%
Dark Forest Capital Management LP282$22.0K0.01%
Sageworth Trust Co180$14.0K0.00%
Ancora Advisors, LLC78$6.00K0.00%
Trustcore Financial Services, LLC26$2.00K0.00%

Sold out (42)

Institutions that held Gibraltar Industries, Inc. at the end of Q1 2021 and filed for Q2 2021 without it.

Institutions that sold out of ROCK in Q2 2021
InstitutionShares, Q1 2021Value, Q1 2021
Castleark Management LLC107,484$9.84M
Telemark Asset Management, LLC88,000$8.05M
Los Angeles Capital Management LLC73,021$6.68M
Portolan Capital Management, LLC69,976$6.40M
MESIROW FINANCIAL INVESTMENT MANAGEMENT - Equity & Fixed Income60,676$5.55M
Citadel Advisors LLC43,205$3.95M
G2 Investment Partners Management LLC36,000$3.29M
Arrowstreet Capital, Limited Partnership27,910$2.55M
Healthcare of Ontario Pension Plan Trust Fund19,055$1.74M
Bridgeway Capital Management, LLC16,700$1.53M
Panagora Asset Management Inc15,469$1.42M
Argent Capital Management LLC8,933$817.0K
ARGI Investment Services, LLC7,794$713.0K
Hancock Whitney Corp6,690$612.0K
Pitcairn Co5,133$470.0K
Schonfeld Strategic Advisors LLC5,126$469.0K
Commonwealth Equity Services, LLC4,969$454.0K
Old Mission Capital LLC4,893$448.0K
Cornerstone Investment Partners, LLC4,525$414.0K
XTX Topco Ltd4,112$376.0K
Grantham, Mayo, Van Otterloo & Co. LLC4,061$372.0K
Capula Management Ltd3,863$354.0K
Parallax Volatility Advisers, L.P.3,760$344.0K
State of Wisconsin Investment Board3,400$311.0K
Stifel Financial Corp3,119$285.0K
Allianz Asset Management GmbH2,848$261.0K
Samson Rock Capital LLP2,736$250.0K
MML Investors Services, LLC2,612$239.0K
Guggenheim Capital LLC2,470$226.0K
Cresset Asset Management, LLC2,362$217.0K
Fisher Asset Management, LLC2,294$210.0K
Pictet Asset Management Ltd2,300$210.0K
RMR Wealth Builders500$46.0K
Huntington National Bank257$24.0K
Federated Hermes, Inc.130$12.0K
Farmers & Merchants Investments Inc106$10.0K
Central Trust Co50$5.00K
Proequities, Inc.30$3.00K
Sowell Financial Services LLC21$2.00K
ClariVest Asset Management LLC14$1.00K
BDO Wealth Advisors, LLC14$1.00K
Glassman Wealth Services1$0