BUFFALO, NY
GIBRALTAR INDUSTRIES, INC.ROCK— Latest position per institution from SEC 13F filings
15
Institutional holders
32.08M
Total shares held
1.56B
Estimated value
1.60M
Avg. position size
BLACKROCK FINANCE, INC.
CIK 1364742
Shares
5.36M
Value
367.54M
Filed
Jun 30, 2024
BLACKROCK, INC.
CIK 2012383
Shares
4.92M
Value
221.89M
Filed
Jun 30, 2026
FMR LLC
CIK 315066
Shares
4.45M
Value
200.66M
Filed
Jun 30, 2026
VANGUARD GROUP INC
CIK 102909
Shares
2.86M
Value
141.58M
Filed
Dec 31, 2025
ALLIANCEBERNSTEIN L.P.
CIK 1109448
Shares
2.23M
Value
89.02M
Filed
Jun 30, 2026
DIMENSIONAL FUND ADVISORS LP
CIK 354204
Shares
1.50M
Value
67.61M
Filed
Jun 30, 2026
VANGUARD CAPITAL MANAGEMENT LLC
CIK 2100119
Shares
1.33M
Value
60.10M
Filed
Jun 30, 2026
VANGUARD PORTFOLIO MANAGEMENT LLC
CIK 2100121
Shares
1.29M
Value
58.21M
Filed
Jun 30, 2026
STATE STREET CORP
CIK 93751
Shares
1.23M
Value
55.41M
Filed
Jun 30, 2026
BARROW HANLEY MEWHINNEY & STRAUSS LLC
CIK 313028
Shares
984.92K
Value
44.42M
Filed
Jun 30, 2026
FRONTIER CAPITAL MANAGEMENT CO LLC
CIK 351173
Shares
830.27K
Value
37.45M
Filed
Jun 30, 2026
GEODE CAPITAL MANAGEMENT, LLC
CIK 1214717
Shares
822.87K
Value
37.12M
Filed
Jun 30, 2026
MIRAE ASSET GLOBAL ETFS HOLDINGS LTD.
CIK 1705339
Shares
805.62K
Value
36.33M
Filed
Jun 30, 2026
SEGALL BRYANT & HAMILL, LLC
CIK 1006378
Shares
587.54K
Value
26.50M
Filed
Jun 30, 2026
SCHRODER INVESTMENT MANAGEMENT GROUP
CIK 1086619
Shares
578.47K
Value
28.06M
Filed
Mar 31, 2023
SIMCOE CAPITAL MANAGEMENT, LLC
CIK 1633362
Shares
494.37K
Value
22.30M
Filed
Jun 30, 2026
T. ROWE PRICE INVESTMENT MANAGEMENT, INC.
CIK 1897612
Shares
467.05K
Value
18.62K
Filed
Mar 31, 2026
BOSTON PARTNERS
CIK 1386060
Shares
464.63K
Value
20.68M
Filed
Jun 30, 2026
CHARLES SCHWAB INVESTMENT MANAGEMENT INC
CIK 884546
Shares
445.33K
Value
20.08M
Filed
Jun 30, 2026
WELLINGTON MANAGEMENT GROUP LLP
CIK 902219
Shares
416.96K
Value
26.19M
Filed
Sep 30, 2025
| # | Institution | CIK | Shares | Est. Value | Period |
|---|---|---|---|---|---|
| 1 | BLACKROCK FINANCE, INC. | 1364742 | 5.36M | 367.54M | Jun 30, 2024 |
| 2 | BLACKROCK, INC. | 2012383 | 4.92M | 221.89M | Jun 30, 2026 |
| 3 | FMR LLC | 315066 | 4.45M | 200.66M | Jun 30, 2026 |
| 4 | VANGUARD GROUP INC | 102909 | 2.86M | 141.58M | Dec 31, 2025 |
| 5 | ALLIANCEBERNSTEIN L.P. | 1109448 | 2.23M | 89.02M | Jun 30, 2026 |
| 6 | DIMENSIONAL FUND ADVISORS LP | 354204 | 1.50M | 67.61M | Jun 30, 2026 |
| 7 | VANGUARD CAPITAL MANAGEMENT LLC | 2100119 | 1.33M | 60.10M | Jun 30, 2026 |
| 8 | VANGUARD PORTFOLIO MANAGEMENT LLC | 2100121 | 1.29M | 58.21M | Jun 30, 2026 |
| 9 | STATE STREET CORP | 93751 | 1.23M | 55.41M | Jun 30, 2026 |
| 10 | BARROW HANLEY MEWHINNEY & STRAUSS LLC | 313028 | 984.92K | 44.42M | Jun 30, 2026 |
| 11 | FRONTIER CAPITAL MANAGEMENT CO LLC | 351173 | 830.27K | 37.45M | Jun 30, 2026 |
| 12 | GEODE CAPITAL MANAGEMENT, LLC | 1214717 | 822.87K | 37.12M | Jun 30, 2026 |
| 13 | MIRAE ASSET GLOBAL ETFS HOLDINGS LTD. | 1705339 | 805.62K | 36.33M | Jun 30, 2026 |
| 14 | SEGALL BRYANT & HAMILL, LLC | 1006378 | 587.54K | 26.50M | Jun 30, 2026 |
| 15 | SCHRODER INVESTMENT MANAGEMENT GROUP | 1086619 | 578.47K | 28.06M | Mar 31, 2023 |
| 16 | SIMCOE CAPITAL MANAGEMENT, LLC | 1633362 | 494.37K | 22.30M | Jun 30, 2026 |
| 17 | T. ROWE PRICE INVESTMENT MANAGEMENT, INC. | 1897612 | 467.05K | 18.62K | Mar 31, 2026 |
| 18 | BOSTON PARTNERS | 1386060 | 464.63K | 20.68M | Jun 30, 2026 |
| 19 | CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 884546 | 445.33K | 20.08M | Jun 30, 2026 |
| 20 | WELLINGTON MANAGEMENT GROUP LLP | 902219 | 416.96K | 26.19M | Sep 30, 2025 |
Data sourced from SEC Form 13F institutional holdings reports. Positions reflect the most recent filing per institution.