Latest Period
Q4 2025
Security Snapshot
Atkore Inc. - Common Stock (ATKR) Institutional Ownership
CUSIP: 047649108
13F Institutional Holders and Ownership History from Q2 2016 to Q1 2026
Institutions Reporting
305
Shares (Excl. Options)
31,988,890
Price
$63.25
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- Type / Class
- Equity / Common Stock
- Symbol
- ATKR on NYSE
- Shares outstanding
- 33,778,610
- Price per share
- $58.91
- All holders as of 31 Dec 2025
- Q4 2025
- Total 13F shares
- 31,988,890
- Total reported value
- $2,023,649,803
- % of total 13F portfolios
- 0%
- Share change
- -374,054
- Value change
- -$23,822,590
- Number of holders
- 305
- Price from insider filings
- $58.91
Reported Shares, Excluding Options vs Price
Reported Value, Excluding Options
Total Investors
Quick Takeaways
- ATKR - Atkore Inc. - Common Stock is tracked under CUSIP 047649108.
- 305 institutions reported positions in Q4 2025.
- 5 significant owners is listed from Schedule 13D/13G reporting.
What Changed
- Holder count moved from 305 to 69 between Q4 2025 and Q1 2026.
- Reported value moved from $2,023,649,803 to $52,853,093.
Why This Matters
- You can quickly see who holds this security, then open quarter and manager detail pages for full evidence.
- 13F and Schedule 13D/13G sections are kept together so you can cross-check institutional and beneficial ownership context.
Source Evidence
Source: SEC Form 13F
Open SEC Evidence
Latest holder context comes from 305 institutions filings for Q4 2025.
Investment Quick Answers
What is CUSIP 047649108?
CUSIP 047649108 identifies ATKR - Atkore Inc. - Common Stock in SEC 13F datasets.
Where can I see the latest institutional holders?
Review the Q4 2025 holders report and the ownership history table below.
Next ownership checks
Use the next link that matches the question you still need to answer about this security.
- Latest 13F filings when you want to inspect fresh institutional portfolio moves.
- Latest Schedule 13D/13G reports when you need large-owner changes outside the 13F cycle.
- All institutional ownership pages to compare this security with other holder-history pages.
Recent Quarterly Holder Reports
Open recent reporting periods for CUSIP 047649108:
Significant Owners of Atkore Inc. - Common Stock (ATKR) based on Schedule 13D/G filings
| Filer | Ownership | Change % | Holdings Value | Net Change | Nb Shares | Change % | Reporting Name | Report Period |
|---|---|---|---|---|---|---|---|---|
| Gates Capital Management, Inc. | 7.8% | -17% | $197,035,329 | -$47,746,294 | 2,628,189 | -20% | Gates Capital Management, L.P. | 30 Jun 2025 |
| BlackRock, Inc. | 7.3% | $154,504,335 | 2,462,609 | BlackRock, Inc. | 30 Sep 2025 | |||
| VANGUARD PORTFOLIO MANAGEMENT LLC | 6.3% | $124,742,384 | 2,117,497 | Vanguard Portfolio Management | 31 Mar 2026 | |||
| VANGUARD CAPITAL MANAGEMENT LLC | 5.2% | $104,470,171 | 1,773,377 | Vanguard Capital Management | 31 Mar 2026 | |||
| FIRST TRUST PORTFOLIOS LP | 3.9% | -22% | $81,974,453 | -$26,000,209 | 1,306,574 | -24% | First Trust Portfolios L.P. | 30 Sep 2025 |
As of 31 Dec 2025, 305 institutional investors reported holding 31,988,890 shares of Atkore Inc. - Common Stock (ATKR). This represents 95% of the company’s total 33,778,610 outstanding shares.
Top 25 Institutional Shareholders
The largest institutional shareholders of Atkore Inc. - Common Stock (ATKR) together control 69% of the company’s outstanding shares — a level of ownership often associated with strong institutional conviction and long‑term capital commitment.
| Institution | Ownership % | Shares Held | Share Change % | Portfolio % | Holdings Value |
|---|---|---|---|---|---|
| VANGUARD GROUP INC | 11% | 3,635,940 | +0.09% | 0% | $229,973,205 |
| Gates Capital Management, Inc. | 8.1% | 2,733,147 | -7.2% | 6% | $172,871,548 |
| BlackRock, Inc. | 7.6% | 2,555,705 | -2.1% | 0% | $161,648,314 |
| FIRST TRUST ADVISORS LP | 4.1% | 1,385,741 | +19% | 0.06% | $87,648,118 |
| AMERICAN CENTURY COMPANIES INC | 3.7% | 1,253,549 | +8.2% | 0.04% | $79,286,985 |
| DIMENSIONAL FUND ADVISORS LP | 3.3% | 1,130,477 | +9.1% | 0.01% | $71,503,482 |
| LSV ASSET MANAGEMENT | 2.8% | 960,450 | +5.8% | 0.13% | $60,748,000 |
| STATE STREET CORP | 2.4% | 827,521 | -0.89% | 0% | $52,340,703 |
| Coliseum Capital Management, LLC | 2.4% | 809,305 | 4.2% | $51,188,541 | |
| GEODE CAPITAL MANAGEMENT, LLC | 2.4% | 802,214 | +0.19% | 0% | $50,749,086 |
| EARNEST PARTNERS LLC | 2.3% | 783,738 | 0.21% | $49,571,429 | |
| Harding Loevner LP | 2.2% | 732,753 | -18% | 0.41% | $46,349,980 |
| Hill City Capital, LP | 2.2% | 728,206 | 0% | 1.7% | $46,059,030 |
| ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | 2.1% | 704,668 | +65% | 0.03% | $44,570,251 |
| VICTORY CAPITAL MANAGEMENT INC | 1.5% | 492,316 | -51% | 0.02% | $31,138,988 |
| BANK OF AMERICA CORP /DE/ | 1.2% | 419,685 | +29% | 0% | $26,545,076 |
| LONDON CO OF VIRGINIA | 1.2% | 411,729 | -4.3% | 0.15% | $26,042,072 |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 1.2% | 410,971 | -10% | 0% | $25,993,916 |
| JPMORGAN CHASE & CO | 1.2% | 397,146 | +34% | 0% | $25,119,485 |
| MORGAN STANLEY | 1.2% | 396,506 | +19% | 0% | $25,079,083 |
| GENDELL JEFFREY L | 1.1% | 387,201 | -7.4% | 0.43% | $24,490,464 |
| GOLDMAN SACHS GROUP INC | 1.1% | 383,841 | -37% | 0% | $24,277,952 |
| NORTHERN TRUST CORP | 1.1% | 363,649 | -6.5% | 0% | $23,000,802 |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | 1% | 351,287 | +2.4% | 0.03% | $22,219,137 |
| NEW YORK STATE COMMON RETIREMENT FUND | 1% | 345,828 | +1166% | 0.03% | $21,873,621 |
Institutional Holders of Atkore Inc. - Common Stock (ATKR) across Reporting Periods
| Period | Reported Shares, Excl. Options | Value, Excl. Options | Value Change | Price (Median) | Investors |
|---|---|---|---|---|---|
| 2026 Q1 | 896,227 | $52,853,093 | -$10,009,195 | $58.91 | 69 |
| 2025 Q4 | 31,988,890 | $2,023,649,803 | -$23,822,590 | $63.25 | 305 |
| 2025 Q3 | 32,263,319 | $2,024,894,475 | -$44,046,024 | $62.74 | 295 |
| 2025 Q2 | 32,795,224 | $2,321,952,503 | -$48,513,360 | $70.55 | 290 |
| 2025 Q1 | 33,550,272 | $2,012,730,322 | -$304,894,543 | $59.99 | 291 |
| 2024 Q4 | 37,323,975 | $3,111,923,794 | +$91,408,379 | $83.45 | 325 |
| 2024 Q3 | 36,054,204 | $3,055,403,985 | -$433,225,562 | $84.74 | 359 |
| 2024 Q2 | 39,520,389 | $5,334,744,181 | -$58,627,328 | $134.93 | 443 |
| 2024 Q1 | 39,260,233 | $7,474,224,397 | +$92,664,569 | $190.36 | 447 |
| 2023 Q4 | 39,277,126 | $6,283,627,517 | +$45,736,485 | $160.00 | 438 |
| 2023 Q3 | 38,822,549 | $5,791,038,643 | -$12,062,658 | $149.19 | 408 |
| 2023 Q2 | 38,767,298 | $6,044,399,356 | +$65,868,945 | $155.94 | 404 |
| 2023 Q1 | 38,340,558 | $5,385,793,882 | -$86,569,697 | $140.48 | 388 |
| 2022 Q4 | 39,441,763 | $4,475,639,060 | -$185,135,193 | $113.42 | 362 |
| 2022 Q3 | 41,162,279 | $3,203,299,572 | +$33,234,386 | $77.81 | 288 |
| 2022 Q2 | 40,809,864 | $3,389,233,466 | -$74,233,562 | $83.01 | 308 |
| 2022 Q1 | 41,789,145 | $4,121,533,124 | -$113,479,329 | $98.44 | 314 |
| 2021 Q4 | 42,895,506 | $4,766,357,492 | -$268,496,052 | $111.19 | 308 |
| 2021 Q3 | 43,793,954 | $3,812,339,996 | -$14,461,364 | $86.92 | 271 |
| 2021 Q2 | 43,848,485 | $3,113,322,980 | -$92,455,728 | $71.00 | 250 |
| 2021 Q1 | 45,149,585 | $3,247,306,884 | +$33,845,469 | $71.90 | 237 |
| 2020 Q4 | 45,116,690 | $1,855,129,814 | -$41,454,962 | $41.11 | 185 |
| 2020 Q3 | 46,405,771 | $1,054,955,378 | -$488,269 | $22.73 | 176 |
| 2020 Q2 | 46,306,323 | $1,266,075,397 | +$16,536,132 | $27.35 | 165 |
| 2020 Q1 | 46,072,133 | $970,247,513 | -$23,028,858 | $21.07 | 165 |
| 2019 Q4 | 45,772,339 | $1,851,926,199 | +$19,956,161 | $40.46 | 208 |
| 2019 Q3 | 45,895,063 | $1,392,995,050 | +$10,468,591 | $30.35 | 178 |
| 2019 Q2 | 45,625,538 | $1,180,256,064 | +$72,848,345 | $25.87 | 165 |
| 2019 Q1 | 45,106,128 | $971,131,162 | -$6,912,368 | $21.53 | 174 |
| 2018 Q4 | 45,473,726 | $902,170,387 | -$6,575,387 | $19.84 | 167 |
| 2018 Q3 | 45,473,872 | $1,206,372,051 | +$19,341,990 | $26.53 | 173 |
| 2018 Q2 | 44,972,768 | $934,192,772 | +$637,262 | $20.77 | 147 |
| 2018 Q1 | 45,674,457 | $906,342,835 | -$362,691,655 | $19.85 | 140 |
| 2017 Q4 | 63,131,587 | $1,354,063,627 | +$8,893,493 | $21.45 | 121 |
| 2017 Q3 | 62,669,712 | $1,222,684,043 | -$37,694,169 | $19.51 | 124 |
| 2017 Q2 | 64,163,641 | $1,446,954,213 | +$34,265,777 | $22.55 | 125 |
| 2017 Q1 | 62,472,792 | $1,643,112,937 | +$20,456,875 | $26.28 | 133 |
| 2016 Q4 | 62,883,147 | $1,504,938,190 | +$1,231,843,239 | $23.91 | 107 |
| 2016 Q3 | 11,415,431 | $213,922,544 | +$38,154,176 | $18.74 | 54 |
| 2016 Q2 | 9,795,067 | $156,740,000 | +$141,765,000 | $16.00 | 37 |