Institutional Ownership
Atkore Inc
CUSIP 047649108COMATKRQ1 2026
13D / 13G Filings
29
Schedule 13D/13G on record
Beneficial Filers
9
Distinct reporting persons
Largest Stake
12.0%
Max % of class reported
Institutional Holders
295
13F filers (latest quarter)
Beneficial Owners — Schedule 13D / 13G
29 filings · latest Oct 31, 2025
| # | Filed | Reporting Person | Form | % of Class | Shares | Filing |
|---|---|---|---|---|---|---|
| 1 | Oct 31, 2025 | First Trust Portfolios L.P. | 13G/A | 3.9% | 1.31M | SEC |
| 2 | Oct 17, 2025 | Blackrock, Inc. | 13G/A | 7.3% | 2.46M | SEC |
| 3 | Aug 14, 2025 | Gates Capital Management, L.P. | 13G/A | 7.8% | 2.63M | SEC |
| 4 | Aug 7, 2025 | The Vanguard Group | 13G/A | 10.3% | 3.48M | SEC |
| 5 | Jul 29, 2025 | The Vanguard Group | 13G/A | 10.0% | 3.36M | SEC |
| 6 | May 15, 2025 | Gates Capital Management, L.P. | 13G/A | 9.5% | 3.27M | SEC |
| 7 | Apr 23, 2025 | First Trust Portfolios L.P. | 13G | 5.0% | 1.72M | SEC |
| 8 | Feb 14, 2025 | Gates Capital Management, L.P. | 13G/A | 7.5% | 2.61M | SEC |
| 9 | Nov 14, 2024 | Gates Capital Management, Inc. | 13G | 5.6% | 2.01M | SEC |
| 10 | Nov 8, 2024 | Blackrock, Inc. | 13G/A | 8.5% | 3.05M | SEC |
19 more beneficial-ownership filings on Premium
See the full Schedule 13D/13G history for Atkore Inc.
Unlock full historyTop Institutional Holders (13F)
Largest reported positions · latest quarter
| # | Fund | Shares | Value |
|---|---|---|---|
| 1 | Gates Capital Management, Inc. | 2.69M | $158.22M |
| 2 | Blackrock, Inc. | 2.63M | $154.74M |
| 3 | American Century Companies Inc | 1.44M | $84.78M |
| 4 | Dimensional Fund Advisors LP | 1.23M | $72.34M |
| 5 | First Trust Advisors LP | 1.23M | $72.27M |
| 6 | Coliseum Capital Management, LLC | 947.1K | $55.79M |
| 7 | Geode Capital Management, LLC | 854.7K | $50.36M |
| 8 | State Street Corp | 835.2K | $49.20M |
| 9 | Earnest Partners LLC | 777.9K | $45.83M |
| 10 | Hill City Capital, LP | 728.2K | $42.90M |