HARVEY, IL
ATKORE INC.ATKR— Latest position per institution from SEC 13F filings
15
Institutional holders
28.91M
Total shares held
2.03B
Estimated value
1.45M
Avg. position size
BLACKROCK FINANCE, INC.
CIK 1364742
Shares
3.94M
Value
531.40M
Filed
Jun 30, 2024
VANGUARD GROUP INC
CIK 102909
Shares
3.64M
Value
229.97M
Filed
Dec 31, 2025
GATES CAPITAL MANAGEMENT, INC.
CIK 1312908
Shares
2.69M
Value
158.22M
Filed
Mar 31, 2026
BLACKROCK, INC.
CIK 2012383
Shares
2.63M
Value
154.74M
Filed
Mar 31, 2026
VANGUARD PORTFOLIO MANAGEMENT LLC
CIK 2100121
Shares
2.09M
Value
123.15M
Filed
Mar 31, 2026
VANGUARD CAPITAL MANAGEMENT LLC
CIK 2100119
Shares
1.52M
Value
89.26M
Filed
Mar 31, 2026
AMERICAN CENTURY COMPANIES INC
CIK 748054
Shares
1.44M
Value
84.78M
Filed
Mar 31, 2026
DIMENSIONAL FUND ADVISORS LP
CIK 354204
Shares
1.23M
Value
72.34M
Filed
Mar 31, 2026
FIRST TRUST ADVISORS LP
CIK 1125816
Shares
1.23M
Value
72.27M
Filed
Mar 31, 2026
LSV ASSET MANAGEMENT
CIK 1050470
Shares
1.05M
Value
61.97K
Filed
Mar 31, 2026
COLISEUM CAPITAL MANAGEMENT, LLC
CIK 1409751
Shares
947.07K
Value
55.79M
Filed
Mar 31, 2026
GEODE CAPITAL MANAGEMENT, LLC
CIK 1214717
Shares
854.73K
Value
50.36M
Filed
Mar 31, 2026
STATE STREET CORP
CIK 93751
Shares
835.16K
Value
49.20M
Filed
Mar 31, 2026
EARNEST PARTNERS LLC
CIK 1102578
Shares
777.90K
Value
45.83M
Filed
Mar 31, 2026
HILL CITY CAPITAL, LP
CIK 1837343
Shares
728.21K
Value
42.90M
Filed
Mar 31, 2026
HARDING LOEVNER LP
CIK 928196
Shares
704.86K
Value
41.54M
Filed
Mar 31, 2026
WESTFIELD CAPITAL MANAGEMENT CO LP
CIK 1177719
Shares
704.77K
Value
99.01M
Filed
Mar 31, 2023
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP
CIK 1164508
Shares
698.13K
Value
41.13M
Filed
Mar 31, 2026
BOSTON PARTNERS
CIK 1386060
Shares
692.42K
Value
58.68M
Filed
Sep 30, 2024
MIRAE ASSET GLOBAL ETFS HOLDINGS LTD.
CIK 1705339
Shares
532.99K
Value
31.40M
Filed
Mar 31, 2026
| # | Institution | CIK | Shares | Est. Value | Period |
|---|---|---|---|---|---|
| 1 | BLACKROCK FINANCE, INC. | 1364742 | 3.94M | 531.40M | Jun 30, 2024 |
| 2 | VANGUARD GROUP INC | 102909 | 3.64M | 229.97M | Dec 31, 2025 |
| 3 | GATES CAPITAL MANAGEMENT, INC. | 1312908 | 2.69M | 158.22M | Mar 31, 2026 |
| 4 | BLACKROCK, INC. | 2012383 | 2.63M | 154.74M | Mar 31, 2026 |
| 5 | VANGUARD PORTFOLIO MANAGEMENT LLC | 2100121 | 2.09M | 123.15M | Mar 31, 2026 |
| 6 | VANGUARD CAPITAL MANAGEMENT LLC | 2100119 | 1.52M | 89.26M | Mar 31, 2026 |
| 7 | AMERICAN CENTURY COMPANIES INC | 748054 | 1.44M | 84.78M | Mar 31, 2026 |
| 8 | DIMENSIONAL FUND ADVISORS LP | 354204 | 1.23M | 72.34M | Mar 31, 2026 |
| 9 | FIRST TRUST ADVISORS LP | 1125816 | 1.23M | 72.27M | Mar 31, 2026 |
| 10 | LSV ASSET MANAGEMENT | 1050470 | 1.05M | 61.97K | Mar 31, 2026 |
| 11 | COLISEUM CAPITAL MANAGEMENT, LLC | 1409751 | 947.07K | 55.79M | Mar 31, 2026 |
| 12 | GEODE CAPITAL MANAGEMENT, LLC | 1214717 | 854.73K | 50.36M | Mar 31, 2026 |
| 13 | STATE STREET CORP | 93751 | 835.16K | 49.20M | Mar 31, 2026 |
| 14 | EARNEST PARTNERS LLC | 1102578 | 777.90K | 45.83M | Mar 31, 2026 |
| 15 | HILL CITY CAPITAL, LP | 1837343 | 728.21K | 42.90M | Mar 31, 2026 |
| 16 | HARDING LOEVNER LP | 928196 | 704.86K | 41.54M | Mar 31, 2026 |
| 17 | WESTFIELD CAPITAL MANAGEMENT CO LP | 1177719 | 704.77K | 99.01M | Mar 31, 2023 |
| 18 | ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | 1164508 | 698.13K | 41.13M | Mar 31, 2026 |
| 19 | BOSTON PARTNERS | 1386060 | 692.42K | 58.68M | Sep 30, 2024 |
| 20 | MIRAE ASSET GLOBAL ETFS HOLDINGS LTD. | 1705339 | 532.99K | 31.40M | Mar 31, 2026 |
Data sourced from SEC Form 13F institutional holdings reports. Positions reflect the most recent filing per institution.