As of November 7, 2026, Gibraltar Industries Inc is a publicly traded company (Nasdaq: ROCK); its largest reported holder is Fidelity (FMR), with 15% on Schedule 13G/A of May 6, 2026, then AllianceBernstein (7.4%). The largest insider holding is William T. Bosway, the chief executive and president, with 250,320 shares (0.84% of shares outstanding), per Form 4 of October 1, 2026 (Schedule 13G/A, May 6, 2026).
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Is Gibraltar Industries Inc a real, registered company?
- Gibraltar Industries Inc files with the SEC under CIK 912562 (its SEC filings).
- Its shares are listed under the ticker ROCK on Nasdaq (SEC company record).
- Incorporated in Delaware; business address in Buffalo, New York, as its SEC filings state.
- Court and bankruptcy records: see Before you sign or pay below.
Before you sign or pay
- Court and bankruptcy: No federal court case or bankruptcy filing found under Gibraltar Industries Inc in our court records and SEC 8-K records (as of 2026-11-07).
- Leadership changes: the latest reported is Joseph A. Lovechio, Chief Financial Officer (Form 8-K filed 2026-11-05). Check you are dealing with the people now in charge.
- Ownership: 5%+ holders are reported on Schedule 13D or 13G; the latest names AllianceBernstein (filed 2026-05-18).
Who are Gibraltar Industries Inc's owners and officers?
Gibraltar Industries Inc: incorporated in Delaware; business address in Buffalo, New York; industry Steel Works, Blast Furnaces & Rolling & Finishing Mills (Form D, 2026-11-05).
| Report | Holder | Share |
|---|---|---|
| Schedule 13G/A, 2026-05-18 | Alliancebernstein L.P. | 7.4% |
| Schedule 13G/A, 2026-05-06 | Fmr LLC | 15% |
| Schedule 13G, 2026-04-29 | Vanguard Capital Management | 5.24% |
| Schedule 13G/A, 2026-03-26 | The Vanguard Group | 0% |
| Schedule 13G, 2026-02-17 | Alliancebernstein L.P. | 5.8% |
| Schedule 13G/A, 2026-02-05 | Fmr LLC | 12.5% |
| Schedule 13G/A, 2025-09-08 | Fmr LLC | 10.3% |
| Schedule 13G/A, 2025-08-12 | Wellington Management Group LLP | 1.8% |
| Schedule 13G, 2025-08-06 | Fmr LLC | 9.1% |
Questions about who owns Gibraltar Industries Inc
Who owns Gibraltar Industries Inc?
On this page, 3 holders' latest ownership filings report 5% or more of Gibraltar Industries Inc: Fmr LLC (15%, Schedule 13G/A, filed 2026-05-06), Alliancebernstein L.P. (7.4%, Schedule 13G/A, filed 2026-05-18) and Vanguard Capital Management (5.24%, Schedule 13G, filed 2026-04-29).
Who are the largest shareholders of Gibraltar Industries Inc?
By the share each holder's latest filing reports, the largest holders of Gibraltar Industries Inc on this page are Fmr LLC (15%), Alliancebernstein L.P. (7.4%) and Vanguard Capital Management (5.24%).
When did Fmr LLC buy into Gibraltar Industries Inc?
The filings give report dates, not purchase dates. The earliest filing from Fmr LLC on this page is the Schedule 13G, filed 2025-08-06, reporting 9.1%; its latest, Schedule 13G/A filed 2026-05-06, reports 15%.
Is this an audit or a full list?
Neither. The ownership list on this page covers only Schedule 13D and 13G filings, which holders make once they own 5% or more of a class of shares (an amendment can report a stake that has since fallen below 5%); 9 such filings are shown here. It is not an audit and not a full cap table: holders who never reached 5% are not listed, and a stake can change after its latest filing.
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What the Full Report on Gibraltar Industries Inc covers
The Short Answer
Which Company This Is
What They Do, And How The Money Works
Who Runs It, And How To Reach Them
The Money: Funding, Valuation, Runway
Who Pays Them, And Who They Are Up Against
Warning Bells
Sources
17 cited sources found
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| Filed | Person | Role | Change | Effective |
|---|---|---|---|---|
| Form 8-K, 2026-11-05 | Joseph A. Lovechio | Chief Financial Officer | departed | 2026-11-20 |
| Form 8-K, 2026-11-05 | Jeffrey J. Watorek | Chief Financial Officer | appointed | |
| Form 8-K, 2026-11-05 | Lori Rizzo | Vice President | appointed |
Which insiders own Gibraltar Industries Inc shares?
Directors, officers and holders of 10% or more report their shares on Forms 3, 4 and 5. Each line is the latest such report, largest holding first.
- , the chief executive and president: 250,320 shares (0.84% of shares outstanding) (Form 4, 2026-10-01).
- , a director: 21,701 shares (0.07% of shares outstanding) (Form 4, 2026-05-08).
- , a director: 18,559 shares (0.06% of shares outstanding) (Form 4, 2026-05-08).
- , a director: 18,403 shares (0.06% of shares outstanding) (Form 4, 2026-05-08).
- , the general counsel and vice president: 17,389 shares (0.06% of shares outstanding) (Form 4, 2026-10-01).
Shares outstanding: 29,706,414 as of 2026-11-03, from the company's latest SEC cover page.
How much has Gibraltar Industries Inc raised?
Acquisitions reported on Form 8-K, Item 2.01: completed an acquisition (2026-02-02).
Keep reading
More on Gibraltar Industries Inc and the records around it.
Gibraltar Industries Inc elsewhere on the record
- Leadership changes Nov 2026
Companies that share a holder
- AllianceBernstein L.P. also filed stake reports on 82 other companies: New Fortress Energy Inc (Nov 2026), RIVERNORTH OPPORTUNITIES FUND, INC. (Oct 2026), Trex Co Inc (Sep 2026)
- Wellington Management Group LLP also filed stake reports on 240 other companies: Hub Group, Inc. (Oct 2026), Latham Group, Inc. (Oct 2026), Redwood Trust, Inc. (Oct 2026)
- FMR LLC also filed stake reports on 761 other companies: ASPEN NEUROSCIENCE INC (Nov 2026), AVALO THERAPEUTICS INC (Nov 2026), BRAZE INC (Nov 2026)
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