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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.

Q3 2021 vs. Q2 2021

How the institutions holding Gibraltar Industries, Inc. changed between Q2 2021 and Q3 2021.

All holders in Q3 2021All holders in Q2 2021

13F holders of ROCK: Q2 2021 compared with Q3 2021
MeasureQ2 2021Of which not filed for Q3 2021Q3 2021Change
Holders2153194−18
Shares31.7M70.5K32.0M+342.7K (+1.1%)
Value$2.42B$5.38M$2.23B−$186.8M (−7.7%)

3 institutions that held it in Q2 2021 haven't filed for Q3 2021 yet. Not filing isn't selling, so the changes leave them out.

New holders (10)

Institutions that held Gibraltar Industries, Inc. at the end of Q3 2021 but not at the end of Q2 2021.

Institutions new to ROCK in Q3 2021
InstitutionSharesValue% of portfolio
Maryland State Retirement & Pension System12,842$895.0K0.03%
Two Sigma Investments, LP6,005$418.0K0.00%
Citadel Advisors LLC4,077$284.0K0.00%
Cambridge Investment Research Advisors, Inc.4,046$282.0K0.00%
Janus Henderson Group PLC3,287$229.0K0.00%
Brown Brothers Harriman & Co325$23.0K0.00%
Vigilant Capital Management, LLC83$6.00K0.00%
Proequities, Inc.68$5.00K0.00%
Fieldpoint Private Securities, LLC18$1.00K0.00%
Manchester Capital Management LLC7$00.00%

Sold out (28)

Institutions that held Gibraltar Industries, Inc. at the end of Q2 2021 and filed for Q3 2021 without it.

Not filed for Q3 2021 yet (3)

Institutions that held Gibraltar Industries, Inc. at the end of Q2 2021 and haven't filed a 13F for Q3 2021. Not filing isn't selling, so they aren't counted as sold out.

Institutions holding ROCK in Q2 2021 that haven't filed for Q3 2021
InstitutionShares, Q2 2021Value, Q2 2021
Running Oak Capital LLC69,895$5.33M
CWM, LLC542$41.0K
First Horizon Corp100$7.00K