Latest Period
Q1 2026
Security Snapshot
GIBRALTAR INDUSTRIES, INC. - Common Stock (ROCK) Institutional Ownership
CUSIP: 374689107
13F Institutional Holders and Ownership History from Q1 2014 to Q1 2026
Institutions Reporting
227
Shares (Excl. Options)
30,921,630
Price
$39.87
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- Security type / class
- Equity / Common Stock
- Symbol
- ROCK on Nasdaq
- All holders as of 31 Mar 2026
- Q1 2026
- Total 13F shares
- 30,921,630
- Total 13F value
- $1,253,717,565
- Portfolio coverage rank
- 0%
- Share change
- +1,172,612
- Value change
- +$39,381,683
- Number of holders
- 227
- Shares outstanding
- 29,708,824
- SEC-reported price per share
- $40.81
- Insider filing price
- $40.81
Latest holder snapshot
5 signals
Issuer context
Names, identifiers, and filing context for this profile.
3 identity fields
13F Shares, Excluding Options vs Price
13F Value, Excluding Options
Total Investors
Key facts
- ROCK - GIBRALTAR INDUSTRIES, INC. - Common Stock is tracked under CUSIP 374689107.
- 227 institutions reported positions in Q1 2026.
- 5 significant owners is listed from Schedule 13D/13G reporting.
Change
- Holder count moved from 254 to 227 between Q4 2025 and Q1 2026.
- SEC-reported value moved from $1,472,468,542 to $1,253,717,565.
Research use
- You can quickly see who holds this security, then open quarter and manager detail pages for full evidence.
- 13F and Schedule 13D/13G sections are kept together so you can cross-check institutional and beneficial ownership context.
Evidence
Source: SEC Form 13F
Open SEC evidence
Latest holder context comes from 227 institutions filings for Q1 2026.
Security key
374689107
Latest holder period
Q1 2026
13F holders
227
13D/G owners
5
CIK / CUSIP context first
Open Q1 2026 holders
ROCK full holder history
GIBRALTAR INDUSTRIES, INC. SEC filings
GIBRALTAR INDUSTRIES, INC. company facts
GIBRALTAR INDUSTRIES, INC. insider transactions
Broader feeds
Recent Quarterly Holder Reports
Open recent reporting periods for CUSIP 374689107:
13D/G owners
Significant owners
Large-stake holder rows connected to Schedule 13D/G evidence.
Rows
5
Security
ROCK
| Filer | Ownership | Change % | Holdings Value | Net Change | Nb Shares | Change % | Reporting Name | Report Period |
|---|---|---|---|---|---|---|---|---|
| BlackRock, Inc. | 15% | $244,869,007 | 4,633,283 | BlackRock, Inc. | 31 Mar 2025 | |||
| FMR LLC | 15% | +19% | $184,152,051 | +$30,564,554 | 4,432,059 | +20% | FMR LLC | 31 Mar 2026 |
| ALLIANCEBERNSTEIN L.P. | 7.4% | +27% | $86,992,785 | +$19,157,064 | 2,198,453 | +28% | AllianceBernstein L.P. | 31 Mar 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC | 5.2% | $61,762,856 | 1,549,106 | Vanguard Capital Management | 31 Mar 2026 | |||
| WELLINGTON MANAGEMENT GROUP LLP | 1.8% | -71% | $33,744,256 | -$94,451,604 | 529,654 | -74% | Wellington Management Group LLP | 30 Jun 2025 |
As of 31 Mar 2026, 227 institutional investors reported holding 30,921,630 shares of GIBRALTAR INDUSTRIES, INC. - Common Stock (ROCK). This represents 104% of the company’s total 29,708,824 outstanding shares.
13F concentration
Top 25 institutional shareholders
Largest 13F positions for this security by reported shares and value.
Top holder share
87%
| Institution | Ownership % | Shares Held | Share Change % | Portfolio % | Holdings Value |
|---|---|---|---|---|---|
| BlackRock, Inc. | 17% | 5,048,987 | +1.6% | 0% | $201,303,115 |
| FMR LLC | 15% | 4,432,059 | +20% | 0.01% | $176,706,193 |
| ALLIANCEBERNSTEIN L.P. | 7.4% | 2,198,453 | +28% | 0.04% | $108,691,516 |
| DIMENSIONAL FUND ADVISORS LP | 5.7% | 1,705,997 | +0.43% | 0.01% | $68,018,300 |
| STATE STREET CORP | 4.5% | 1,345,665 | -1.3% | 0% | $53,651,664 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 4.5% | 1,323,731 | 0% | 0% | $52,777,155 |
| VANGUARD CAPITAL MANAGEMENT LLC | 4.5% | 1,322,342 | 0% | 0% | $52,721,776 |
| BARROW HANLEY MEWHINNEY & STRAUSS LLC | 3.9% | 1,169,975 | +19% | 0.15% | $46,646,903 |
| GEODE CAPITAL MANAGEMENT, LLC | 2.6% | 777,629 | +5.4% | 0% | $31,009,619 |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | 2.5% | 742,267 | +52% | 0.04% | $29,593,807 |
| FRONTIER CAPITAL MANAGEMENT CO LLC | 2.3% | 688,272 | +26% | 0.28% | $27,441,405 |
| Boston Partners | 2.3% | 686,625 | -26% | 0.03% | $27,285,322 |
| FIRST WILSHIRE SECURITIES MANAGEMENT INC | 1.7% | 499,923 | +288% | 4.5% | $19,931,930 |
| T. Rowe Price Investment Management, Inc. | 1.6% | 467,049 | -0.63% | 0.01% | $18,622,000 |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 1.5% | 440,483 | +0.01% | 0% | $17,562,057 |
| SEGALL BRYANT & HAMILL, LLC | 1.5% | 430,995 | +22% | 0.25% | $17,183,771 |
| MORGAN STANLEY | 1.2% | 362,284 | -17% | 0% | $14,444,313 |
| PALISADE CAPITAL MANAGEMENT, LP | 1.2% | 358,875 | -4.5% | 0.48% | $14,308,346 |
| NORTHERN TRUST CORP | 1.1% | 333,896 | +3.6% | 0% | $13,312,434 |
| ROYCE & ASSOCIATES LP | 0.97% | 288,541 | +47% | 0.11% | $11,504,130 |
| D. E. Shaw & Co., Inc. | 0.84% | 249,672 | -22% | 0.01% | $9,954,423 |
| KENNEDY CAPITAL MANAGEMENT LLC | 0.83% | 247,097 | -1.5% | 0.21% | $9,851,757 |
| SG Capital Management LLC | 0.79% | 233,808 | 0.77% | $9,321,925 | |
| UBS Group AG | 0.66% | 197,333 | +197% | 0% | $7,867,666 |
| GOLDMAN SACHS GROUP INC | 0.66% | 194,713 | +8.1% | 0% | $7,763,207 |
Quarter history
Institutional holders across reporting periods
Holder count, reported shares/value, and median price by quarter.
Periods
49
Latest
Q1 2026
Rows shown
1-25 of 49
| Period | 13F Shares, Excl. Options | Value, Excl. Options | Value Change | Price (Median) | Investors |
|---|---|---|---|---|---|
| 2026 Q1 | 30,921,630 | $1,253,717,565 | +$39,381,683 | $39.87 | 227 |
| 2025 Q4 | 29,773,413 | $1,472,468,542 | -$18,969,345 | $49.44 | 254 |
| 2025 Q3 | 29,902,684 | $1,878,673,261 | +$20,300,293 | $62.80 | 263 |
| 2025 Q2 | 29,634,996 | $1,749,965,484 | -$12,433,159 | $59.00 | 264 |
| 2025 Q1 | 29,801,144 | $1,747,863,557 | -$2,675,014 | $58.66 | 269 |
| 2024 Q4 | 29,849,993 | $1,758,708,278 | -$18,464,702 | $58.90 | 280 |
| 2024 Q3 | 30,078,336 | $2,103,232,753 | +$1,767,513 | $69.93 | 288 |
| 2024 Q2 | 30,023,058 | $2,058,279,738 | -$11,937,630 | $68.55 | 289 |
| 2024 Q1 | 29,830,752 | $2,402,174,428 | +$18,818,952 | $80.53 | 286 |
| 2023 Q4 | 29,938,527 | $2,364,539,586 | +$13,412,576 | $78.98 | 270 |
| 2023 Q3 | 29,800,596 | $2,011,472,923 | +$18,433,413 | $67.51 | 257 |
| 2023 Q2 | 29,478,521 | $1,854,720,067 | -$36,101,717 | $62.92 | 227 |
| 2023 Q1 | 30,227,644 | $1,465,402,172 | -$22,285,007 | $48.50 | 205 |
| 2022 Q4 | 30,732,335 | $1,410,095,704 | -$13,619,933 | $45.88 | 198 |
| 2022 Q3 | 31,085,177 | $1,272,381,159 | -$85,783,350 | $40.93 | 186 |
| 2022 Q2 | 31,061,441 | $1,204,119,749 | -$36,144,220 | $38.75 | 185 |
| 2022 Q1 | 32,020,327 | $1,378,800,589 | -$53,110,825 | $42.95 | 197 |
| 2021 Q4 | 32,029,411 | $2,135,201,010 | -$12,957,541 | $66.68 | 201 |
| 2021 Q3 | 32,017,402 | $2,230,216,560 | +$20,207,268 | $69.65 | 190 |
| 2021 Q2 | 31,746,960 | $2,422,397,241 | -$47,160,052 | $76.31 | 214 |
| 2021 Q1 | 32,237,992 | $2,950,237,063 | +$27,682,750 | $91.51 | 228 |
| 2020 Q4 | 32,028,262 | $2,304,116,962 | +$21,073,186 | $71.94 | 225 |
| 2020 Q3 | 32,033,418 | $2,087,182,563 | -$39,578,487 | $65.14 | 218 |
| 2020 Q2 | 36,449,810 | $1,751,475,298 | +$201,253,653 | $48.01 | 200 |
| 2020 Q1 | 32,346,710 | $1,388,136,333 | -$26,440,435 | $42.92 | 204 |