Who Owns ATKORE INC (ATKR)? -- Institutional Holders (2026-06-30)
364 institutions reported holding $2.56B of ATKORE INC (ATKR) in SEC 13F filings for 2026-06-30. Largest institutional holders: VANGUARD GROUP INC ($298.3M), BlackRock, Inc. ($237.0M), AMERICAN CENTURY COMPANIES INC ($135.0M), Gates Capital Management, Inc. ($130.0M), DIMENSIONAL FUND ADVISORS LP ($98.8M). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|
| 1 | VANGUARD GROUP INC | $298.3M | 3.9M | Added |
| 2 | BlackRock, Inc. | $237.0M | 3.1M | Added |
| 3 | AMERICAN CENTURY COMPANIES INC | $135.0M | 1.8M | Added |
| 4 | Gates Capital Management, Inc. | $130.0M | 1.7M | Trimmed |
| 5 | DIMENSIONAL FUND ADVISORS LP | $98.8M | 1.3M | Added |
| 6 | LSV ASSET MANAGEMENT | $83.2M | 1.1M | Added |
| 7 | STATE STREET CORP | $68.9M | 906,421 | Added |
| 8 | GEODE CAPITAL MANAGEMENT, LLC | $68.6M | 902,486 | Added |
| 9 | EARNEST PARTNERS LLC | $58.7M | 772,294 | Trimmed |
| 10 | Hill City Capital, LP | $55.1M | 724,106 | Trimmed |
| 11 | T. Rowe Price Investment Management, Inc. | $49.3M | 647,881 | New |
| 12 | MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | $43.8M | 575,607 | Added |
| 13 | HARDING LOEVNER LP | $43.1M | 567,192 | Trimmed |
| 14 | FIRST TRUST ADVISORS LP | $40.5M | 533,063 | Trimmed |
| 15 | JACOBS LEVY EQUITY MANAGEMENT, INC | $39.5M | 519,275 | Added |
| 16 | JPMORGAN CHASE & CO | $39.2M | 520,864 | Added |
| 17 | Irenic Capital Management LP | $38.6M | 507,613 | Added |
| 18 | ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | $36.7M | 482,239 | Trimmed |
| 19 | CHARLES SCHWAB INVESTMENT MANAGEMENT INC | $34.5M | 453,964 | Added |
| 20 | Sixth Street Partners Management Company, L.P. | $34.5M | 453,964 | New |
| 21 | BANK OF AMERICA CORP /DE/ | $33.4M | 438,802 | Trimmed |
| 22 | TWO SIGMA INVESTMENTS, LP | $30.6M | 402,131 | Added |
| 23 | GENDELL JEFFREY L | $30.4M | 400,214 | Hold |
| 24 | LONDON CO OF VIRGINIA | $29.4M | 386,827 | Added |
| 25 | MORGAN STANLEY | $28.8M | 378,566 | Added |
Source: SEC Form 13F filings · as of 2026-06-30