Atkore Inc. (ATKR) Institutional Ownership & Insider Trading
325 institutions reported holding Atkore Inc. shares in 13F filings for the quarter ended 2026-06-30, according to EquiReason's reading of their SEC filings. 5 insider trades on Form 4 since 2025-10-01.
Source: SEC EDGAR filings · figures as of 2026-06-30 · read by EquiReason
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Institutions · all 13F filers
quarter to 30 Jun 2026 · filers in both quarters325 institutions held 97.4% of the shares. Across filers that reported both quarters, shares held changed +1.3%.
Largest moves, shares (millions)
Institutional flow by quarter
net shares added or trimmed, millions · filers in both quarters| Quarter | Holders | Shares held, M | Change | Increased | New | Decreased | Closed |
|---|---|---|---|---|---|---|---|
| Jun 26 | 325 | 33 | +1.3% | 109 | 53 | 78 | 33 |
| Mar 26 | 301 | 32 | -0.4% | 98 | 34 | 85 | 43 |
| Dec 25 | 304 | 32 | -2.4% | 86 | 42 | 100 | 37 |
| Sep 25 | 290 | 33 | -0.6% | 77 | 42 | 106 | 40 |
| Jun 25 | 290 | 33 | -2.2% | 97 | 41 | 100 | 40 |
| Mar 25 | 290 | 33 | -9.0% | 106 | 41 | 99 | 71 |
| Dec 24 | 323 | 37 | +0.7% | 108 | 29 | 116 | 76 |
| Sep 24 | 360 | 36 | -6.4% | 130 | 53 | 121 | 131 |
Atkore Inc. — questions
- Who owns Atkore Inc. stock?
- 325 institutions reported Atkore Inc. shares in 13F filings for the quarter ended 2026-06-30. The largest: BlackRock, Inc. (9.2%), VANGUARD PORTFOLIO MANAGEMENT LLC (6.3%), AMERICAN CENTURY COMPANIES INC (5.3%).
- Are Atkore Inc. insiders buying or selling?
- 5 insider trades on Form 4 since 2025-10-01; the full list, with dates, people and plan status, is on this page.
Every figure on this page comes from Atkore Inc.'s own SEC filings — see them on SEC EDGAR. Price data is licensed and shown only inside the product.
How these figures are read: methodology · EquiReason.