Atkore Inc. · NYSE:ATKR
Atkore Inc. shareholders
As of Jun 30, 2026, 314 institutions reported holding Atkore Inc., 97.4% of its shares. Largest: Vanguard, BlackRock and American Century. New holders, exits, insiders and big stakes, each with its filing.
| Holder | Shares | % of Atkore Inc. | Change | Filed |
|---|---|---|---|---|
| Vanguard | 3.93M | 11.6% | +34,711 | Aug 13, 2026 |
| BlackRock | 3.12M | 9.2% | +489K | Aug 7, 2026 |
| American Century | 1.78M | 5.3% | +336K | Aug 12, 2026 |
| Gates Capital Management, Inc. | 1.71M | 5.1% | −976K | Aug 14, 2026 |
| Dimensional | 1.3M | 3.8% | +71,795 | Aug 11, 2026 |
| Lsv Asset Management | 1.09M | 3.2% | +41,729 | Aug 6, 2026 |
| State Street | 906K | 2.7% | +71,265 | Aug 7, 2026 |
| Geode Capital | 902K | 2.7% | +47,755 | Aug 12, 2026 |
| Earnest Partners LLC | 772K | 2.3% | −5,611 | Aug 13, 2026 |
| Hill City Capital, LP | 724K | 2.1% | −4,100 | Aug 17, 2026 |