Who owns GIBRALTAR INDUSTRIES, INC.?
Prices and market caps: Cboe delayed data, at least 15 minutes delayed. Not real-time. Fundamentals from company filings.
Institutional ownership of ROCK from SEC Form 13F filings across 244 reporting managers. All positions are from one synchronized reporting period — 2026-06-30 books, filed up to 45 days after quarter end — so every row is comparable.
As of the 2026-06-30 reporting period, 244 institutions disclosed 31.2M shares of GIBRALTAR INDUSTRIES, INC. worth $1.39B — about 104.6% of shares outstanding; the largest disclosed holder is BlackRock, Inc.. Source: SEC Form 13F filings, parsed by EvidInvest.
244
13F holders
$1.39B
value, 2026 filers
104.6%
of shares outstanding (31.2M sh)
55
new positions (2026 filers)
Top institutional holders
ordered by shares owned · positions as of 2026-06-30 · % of fund = share of the manager's own book · % of co. = share of ROCK's shares outstanding
| # | Manager | Shares | Value | % of fund | % of co. | Δ shares QoQ |
|---|---|---|---|---|---|---|
| 1 | BlackRock, Inc. | 4.9M | $221.9M | 0.0% | 16.5% | -2.6% |
| 2 | FMR LLC | 4.4M | $200.7M | 0.0% | 14.9% | +0.4% |
| 3 | ALLIANCEBERNSTEIN L.P. | 2.2M | $89.0M | 0.0% | 7.5% | +1.6% |
| 4 | DIMENSIONAL FUND ADVISORS LP | 1.5M | $67.6M | 0.0% | 5% | -12.1% |
| 5 | VANGUARD CAPITAL MANAGEMENT LLC | 1.3M | $60.1M | 0.0% | 4.5% | +0.8% |
| 6 | VANGUARD PORTFOLIO MANAGEMENT LLC | 1.3M | $58.2M | 0.0% | 4.3% | -2.5% |
| 7 | STATE STREET CORP | 1.2M | $55.4M | 0.0% | 4.1% | -8.7% |
| 8 | BARROW HANLEY MEWHINNEY & STRAUSS LLC | 984,916 | $44.4M | 0.1% | 3.3% | -15.8% |
| 9 | FRONTIER CAPITAL MANAGEMENT CO LLC | 830,272 | $37.4M | 0.3% | 2.8% | +20.6% |
| 10 | GEODE CAPITAL MANAGEMENT, LLC | 822,869 | $37.1M | 0.0% | 2.8% | +5.8% |
| 11 | MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | 805,620 | $36.3M | 0.0% | 2.7% | +8.5% |
| 12 | SEGALL BRYANT & HAMILL, LLC | 587,545 | $26.5M | 0.3% | 2% | +36.3% |
| 13 | Simcoe Capital Management, LLCNEW | 494,365 | $22.3M | 4.1% | 1.7% | new |
| 14 | Boston Partners | 464,628 | $20.7M | 0.0% | 1.6% | -32.3% |
| 15 | CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 445,326 | $20.1M | 0.0% | 1.5% | +1.1% |
| 16 | ROYCE & ASSOCIATES LP | 402,365 | $18.1M | 0.1% | 1.4% | +39.4% |
| 17 | SG Capital Management LLC | 389,410 | $17.6M | 1.4% | 1.3% | +66.6% |
| 18 | MORGAN STANLEY | 357,210 | $16.1M | 0.0% | 1.2% | -1.4% |
| 19 | NORTHERN TRUST CORP | 353,253 | $15.9M | 0.0% | 1.2% | +5.8% |
| 20 | FIRST WILSHIRE SECURITIES MANAGEMENT INC | 268,773 | $12.1M | 2.5% | 0.9% | -46.2% |
| 21 | UBS Group AG | 254,651 | $11.5M | 0.0% | 0.9% | +29.0% |
| 22 | Balyasny Asset Management L.P. | 243,403 | $11.0M | 0.0% | 0.8% | +108.4% |
| 23 | KENNEDY CAPITAL MANAGEMENT LLC | 240,064 | $10.8M | 0.2% | 0.8% | -2.8% |
| 24 | D. E. Shaw & Co., Inc. | 224,747 | $10.1M | 0.0% | 0.8% | -10.0% |
| 25 | Invenomic Capital Management LP | 203,383 | $9.2M | 0.5% | 0.7% | +11.1% |
Source: SEC Form 13F-HR filings (institutional managers over $100M in US-listed positions). 13Fs disclose long positions only, up to 45 days after quarter end; each manager's latest filed quarter is shown per row and dollar values are the manager's filed marks. Aggregates labeled "2026 filers" count only managers whose latest book is a 2026 quarter. Related: valuation · options positioning · supply chain. Research, not investment advice.