Security record · archived quarter
ATKR
Atkore Inc. · Industrials · Electrical Equipment & Parts
107Tracked holders
+1Δ holders
21.29MShares held
$1.35BReported value
+2New positions
−0Exits
Momentum inputs (comparable managers):
holder breadth +0.9% ·
share flow +0.2% ·
net new positions +1.9%
· formula
Broad accumulation: rising shares across more holders
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q4 2025
Ownership over time
| Quarter | Holders | Δ | Shares | Reported value | New | Exits |
|---|---|---|---|---|---|---|
| Q3 2026 | 1 | 0 | 8 | $758 | n/a | n/a |
| Q2 2026 | 107 | +4 | 19.66M | $1.49B | +10 | −6 |
| Q1 2026 | 106 | 0 | 18.87M | $1.11B | +6 | −7 |
| Q4 2025 | 107 | +1 | 21.29M | $1.35B | +2 | n/a |
| Q3 2025 | 19 | 0 | 10.82M | $678.57M | n/a | −1 |
| Q2 2025 | 17 | +2 | 8.87M | $625.82M | +3 | −1 |
| Q1 2025 | 12 | -1 | 3.30M | $198.05M | +1 | −2 |
| Q4 2024 | 13 | 0 | 3.77M | $314.21M | n/a | n/a |
| Q3 2024 | 12 | 0 | 3.20M | $270.84M | +2 | −2 |
| Q2 2024 | 12 | n/a | 2.92M | $395.13M | n/a | n/a |
Who holds it · Q4 2025
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | The Vanguard Group ✦ (passive) | 3.64M | +0.1% | $229.97M | 0.0% | ▲ Add | 3 | SEC ↗ ×5 |
| 2 | BlackRock ✦ (passive) | 2.56M | -2.1% | $161.65M | 0.0% | ▼ Trim | 3 | SEC ↗ ×15 |
| 3 | First Trust Advisors Lp | 1.39M | n/a | $87.65M | 0.1% | n/c | 1 | SEC ↗ |
| 4 | American Century Companies Inc | 1.25M | n/a | $79.29M | 0.0% | n/c | 1 | SEC ↗ |
| 5 | Dimensional Fund Advisors Lp | 1.13M | n/a | $71.50M | 0.0% | n/c | 1 | SEC ↗ ×5 |
| 6 | State Street Global Advisors ✦ (passive) | 827.52K | -0.9% | $52.34M | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 7 | Geode Capital Management ✦ (passive) | 802.21K | +0.2% | $50.75M | 0.0% | ▲ Add | 7 | SEC ↗ ×2 |
| 8 | Arrowstreet Capital ✦ | 704.67K | +64.9% | $44.57M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 9 | Victory Capital Management Inc | 492.32K | n/a | $31.14M | 0.0% | n/c | 1 | SEC ↗ |
| 10 | Bank Of America Corp /De/ | 419.69K | n/a | $26.55M | 0.0% | n/c | 1 | SEC ↗ ×8 |
| 11 | Charles Schwab Investment… | 410.97K | n/a | $25.99M | 0.0% | n/c | 1 | SEC ↗ |
| 12 | JPMorgan Chase ✦ | 397.15K | -32.9% | $25.12M | 0.0% | ▼ Trim | 2 | SEC ↗ ×6 |
| 13 | Morgan Stanley ✦ | 396.51K | +19.1% | $25.08M | 0.0% | ▲ Add | 2 | SEC ↗ ×9 |
| 14 | Goldman Sachs Group ✦ | 383.84K | -37.0% | $24.28M | 0.0% | ▼ Trim | 2 | SEC ↗ ×2 |
| 15 | Northern Trust Corp | 363.65K | n/a | $23.00M | 0.0% | n/c | 1 | SEC ↗ ×6 |
| 16 | MIRAE ASSET GLOBAL ETFS HOLDINGS… | 351.29K | n/a | $22.22M | 0.0% | n/c | 1 | SEC ↗ ×2 |
| 17 | New York State Common Retirement… | 345.83K | n/a | $21.87M | 0.0% | n/c | 1 | SEC ↗ |
| 18 | Canada Pension Plan Investment Board | 329.10K | n/a | $20.82M | 0.0% | n/c | 1 | SEC ↗ |
| 19 | Adage Capital Partners ✦ | 297.00K | New | $18.79M | 0.0% | New | 1 | SEC ↗ |
| 20 | Swedbank AB | 296.21K | n/a | $18.74M | 0.0% | n/c | 1 | SEC ↗ |
| 21 | Bank of New York Mellon Corp | 235.77K | n/a | $14.91M | 0.0% | n/c | 1 | SEC ↗ ×8 |
| 22 | Two Sigma Investments ✦ | 219.33K | +21.2% | $13.87M | 0.0% | ▲ Add | 6 | SEC ↗ |
| 23 | Sei Investments Co | 205.92K | n/a | $13.02M | 0.0% | n/c | 1 | SEC ↗ ×3 |
| 24 | Wells Fargo & Company/Mn | 201.59K | n/a | $12.75M | 0.0% | n/c | 1 | SEC ↗ ×3 |
| 25 | Nuveen, LLC | 193.52K | n/a | $12.24M | 0.0% | n/c | 1 | SEC ↗ ×3 |
| 26 | Jane Street Group, Llc | 193.44K | n/a | $12.24M | 0.0% | n/c | 1 | SEC ↗ ×2 |
| 27 | Wellington Management ✦ | 188.26K | -12.0% | $11.91M | 0.0% | ▼ Trim | 6 | SEC ↗ ×4 |
| 28 | Pacer Advisors, Inc. | 178.19K | n/a | $11.27M | 0.0% | n/c | 1 | SEC ↗ |
| 29 | Allspring Global Investments… | 162.34K | n/a | $10.46M | 0.0% | n/c | 1 | SEC ↗ ×2 |
| 30 | Hotchkis & Wiley Capital Management… | 155.72K | n/a | $9.85M | 0.0% | n/c | 1 | SEC ↗ |
| 31 | Federated Hermes, Inc. | 154.54K | n/a | $9.77M | 0.0% | n/c | 1 | SEC ↗ ×2 |
| 32 | Citadel Advisors ✦ | 147.66K | +49.9% | $9.34M | 0.0% | ▲ Add | 7 | SEC ↗ |
| 33 | D. E. Shaw & Co. ✦ | 113.14K | -25.2% | $7.16M | 0.0% | ▼ Trim | 7 | SEC ↗ ×2 |
| 34 | Invesco Ltd. | 103.77K | n/a | $6.56M | 0.0% | n/c | 1 | SEC ↗ ×5 |
| 35 | UBS AM, a distinct business unit of… | 101.37K | n/a | $6.41M | 0.0% | n/c | 1 | SEC ↗ ×9 |
| 36 | Nordea Investment Management Ab | 97.61K | n/a | $6.16M | 0.0% | n/c | 1 | SEC ↗ ×2 |
| 37 | Norges Bank ✦ (passive) | 89.62K | New | $5.67M | 0.0% | New | 1 | SEC ↗ |
| 38 | Ameriprise Financial Inc | 85.93K | n/a | $5.43M | 0.0% | n/c | 1 | SEC ↗ ×3 |
| 39 | Qube Research & Technologies Ltd | 85.17K | n/a | $5.39M | 0.0% | n/c | 1 | SEC ↗ |
| 40 | Russell Investments Group, Ltd. | 83.74K | n/a | $5.30M | 0.0% | n/c | 1 | SEC ↗ ×8 |
| 41 | Universal- Beteiligungs- und… | 73.46K | n/a | $4.65M | 0.0% | n/c | 1 | SEC ↗ |
| 42 | Balyasny Asset Management L.P. | 68.42K | n/a | $4.33M | 0.0% | n/c | 1 | SEC ↗ ×2 |
| 43 | Swiss National Bank | 66.40K | n/a | $4.20M | 0.0% | n/c | 1 | SEC ↗ |
| 44 | Deutsche Bank Ag\ | 65.99K | n/a | $4.17M | 0.0% | n/c | 1 | SEC ↗ ×4 |
| 45 | Envestnet Asset Management Inc | 64.52K | n/a | $4.08M | 0.0% | n/c | 1 | SEC ↗ |
| 46 | Healthcare Of Ontario Pension Plan… | 63.00K | n/a | $3.98M | 0.0% | n/c | 1 | SEC ↗ |
| 47 | Barclays Plc | 61.87K | n/a | $3.91M | 0.0% | n/c | 1 | SEC ↗ ×2 |
| 48 | Bnp Paribas Financial Markets | 61.64K | n/a | $3.90M | 0.0% | n/c | 1 | SEC ↗ |
| 49 | Man Group plc | 61.02K | n/a | $3.86M | 0.0% | n/c | 1 | SEC ↗ |
| 50 | Nomura Asset Management… | 60.46K | n/a | $3.82M | 0.0% | n/c | 1 | SEC ↗ |
| 51 | UBS Group AG | 50.72K | n/a | $3.21M | 0.0% | n/c | 1 | SEC ↗ ×3 |
| 52 | Raymond James Financial Inc | 50.66K | n/a | $3.20M | 0.0% | n/c | 1 | SEC ↗ ×2 |
| 53 | AQR Capital Management ✦ | 49.67K | -9.0% | $3.14M | 0.0% | ▼ Trim | 7 | SEC ↗ ×5 |
| 54 | Marshall Wace ✦ | 47.05K | -69.0% | $2.98M | 0.0% | ▼ Trim | 3 | SEC ↗ ×3 |
| 55 | Rhumbline Advisers | 44.51K | n/a | $2.81M | 0.0% | n/c | 1 | SEC ↗ |
| 56 | Legal & General Group Plc | 36.54K | n/a | $2.31M | 0.0% | n/c | 1 | SEC ↗ ×3 |
| 57 | Allianz Asset Management GmbH | 36.44K | n/a | $2.30M | 0.0% | n/c | 1 | SEC ↗ |
| 58 | Alliancebernstein L.P. | 35.06K | n/a | $2.22M | 0.0% | n/c | 1 | SEC ↗ |
| 59 | Millennium Management ✦ | 33.23K | -37.8% | $2.10M | 0.0% | ▼ Trim | 7 | SEC ↗ |
| 60 | T. Rowe Price ✦ | 32.78K | -7.4% | $2.07M | 0.0% | ▼ Trim | 7 | SEC ↗ |
| 61 | California State Teachers… | 31.87K | n/a | $2.02M | 0.0% | n/c | 1 | SEC ↗ |
| 62 | Franklin Resources Inc | 31.42K | n/a | $1.99M | 0.0% | n/c | 1 | SEC ↗ ×3 |
| 63 | Susquehanna International Group, Llp | 29.75K | n/a | $1.88M | 0.0% | n/c | 1 | SEC ↗ |
| 64 | Mitsubishi UFJ Trust & Banking Corp | 28.90K | n/a | $1.83M | 0.0% | n/c | 1 | SEC ↗ |
| 65 | Prudential Financial Inc | 26.37K | n/a | $1.67M | 0.0% | n/c | 1 | SEC ↗ |
| 66 | HighTower Advisors, LLC | 20.34K | n/a | $1.29M | 0.0% | n/c | 1 | SEC ↗ |
| 67 | Royal Bank Of Canada | 19.56K | n/a | $1.24M | 0.0% | n/c | 1 | SEC ↗ ×5 |
| 68 | Gotham Asset Management ✦ | 17.05K | +5.6% | $1.08M | 0.0% | ▲ Add | 7 | SEC ↗ |
| 69 | Manufacturers Life Insurance… | 15.91K | n/a | $1.01M | 0.0% | n/c | 1 | SEC ↗ |
| 70 | Creative Planning | 15.78K | n/a | $998,247 | 0.0% | n/c | 1 | SEC ↗ |
| 71 | LPL Financial LLC | 14.61K | n/a | $923,902 | 0.0% | n/c | 1 | SEC ↗ |
| 72 | Janus Henderson Group Plc | 14.08K | n/a | $889,518 | 0.0% | n/c | 1 | SEC ↗ |
| 73 | Cerity Partners LLC | 12.90K | n/a | $816,243 | 0.0% | n/c | 1 | SEC ↗ ×2 |
| 74 | State Of Wisconsin Investment Board | 12.79K | n/a | $808,841 | 0.0% | n/c | 1 | SEC ↗ |
| 75 | Fidelity (FMR) ✦ | 11.78K | -12.2% | $745,191 | 0.0% | ▼ Trim | 3 | SEC ↗ ×2 |
| 76 | Zurcher Kantonalbank (Zurich… | 11.30K | n/a | $714,725 | 0.0% | n/c | 1 | SEC ↗ |
| 77 | Tidal Investments LLC | 11.29K | n/a | $714,409 | 0.0% | n/c | 1 | SEC ↗ ×2 |
| 78 | Squarepoint Ops LLC | 11.10K | n/a | $702,202 | 0.0% | n/c | 1 | SEC ↗ |
| 79 | Hrt Financial Lp | 9.74K | n/a | $616,000 | 0.0% | n/c | 1 | SEC ↗ |
| 80 | Citigroup Inc | 8.75K | n/a | $553,323 | 0.0% | n/c | 1 | SEC ↗ ×3 |
| 81 | State Board Of Administration Of… | 7.46K | n/a | $471,529 | 0.0% | n/c | 1 | SEC ↗ |
| 82 | Grantham, Mayo, Van Otterloo & Co.… | 7.06K | n/a | $446,482 | 0.0% | n/c | 1 | SEC ↗ |
| 83 | Quantinno Capital Management LP | 6.82K | n/a | $431,064 | 0.0% | n/c | 1 | SEC ↗ |
| 84 | Stifel Financial Corp | 6.63K | n/a | $419,607 | 0.0% | n/c | 1 | SEC ↗ ×3 |
| 85 | ProShare Advisors LLC | 6.14K | n/a | $388,483 | 0.0% | n/c | 1 | SEC ↗ |
| 86 | Voya Investment Management Llc | 5.97K | n/a | $377,856 | 0.0% | n/c | 1 | SEC ↗ |
| 87 | Captrust Financial Advisors | 5.69K | n/a | $359,779 | 0.0% | n/c | 1 | SEC ↗ |
| 88 | Rockefeller Capital Management L.P. | 5.40K | n/a | $341,736 | 0.0% | n/c | 1 | SEC ↗ |
| 89 | Pictet Asset Management Holding SA | 5.13K | n/a | $324,220 | 0.0% | n/c | 1 | SEC ↗ |
| 90 | Cetera Investment Advisers | 5.07K | n/a | $320,600 | 0.0% | n/c | 1 | SEC ↗ |
| 91 | Lazard Asset Management Llc | 4.98K | n/a | $315,175 | 0.0% | n/c | 1 | SEC ↗ |
| 92 | GAMCO Investors ✦ | 4.88K | -12.5% | $308,913 | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 93 | Mml Investors Services, Llc | 4.24K | n/a | $268,026 | 0.0% | n/c | 1 | SEC ↗ |
| 94 | Group One Trading Llc | 3.97K | n/a | $251,166 | 0.0% | n/c | 1 | SEC ↗ |
| 95 | Jones Financial Companies Lllp | 2.50K | n/a | $157,947 | 0.0% | n/c | 1 | SEC ↗ |
| 96 | Osaic Holdings, Inc. | 2.14K | n/a | $135,606 | 0.0% | n/c | 1 | SEC ↗ ×3 |
| 97 | Simplex Trading, Llc | 2.06K | n/a | $130,295 | 0.0% | n/c | 1 | SEC ↗ |
| 98 | Ensign Peak Advisors, Inc | 1.52K | n/a | $95,950 | 0.0% | n/c | 1 | SEC ↗ |
| 99 | Us Bancorp \De\ | 768 | n/a | $48,586 | 0.0% | n/c | 1 | SEC ↗ ×3 |
| 100 | Nomura Asset Management Co Ltd | 720 | n/a | $45,540 | 0.0% | n/c | 1 | SEC ↗ |
“Their weight” = the position's share of that manager's reported 13F equity value: the conviction measure. ✦ = curated manager.
New buyers
| Adage Capital Partners | $18.79M | 0.0% |
| Norges Bank | $5.67M | 0.0% |
Exited
| No tracked exits this quarter. |
Full-market context: across ALL 13F filers (SEC structured data, Q1 2026): 300 holders, 32.09M shares, $1.82B reported. This is a different, older period than the tracked-universe figures above and the two are never mixed.
Frequently co-owned
What else this security's tracked holders most often hold: shared-ownership counts, not fundamental relationships.
Aug 14
SC 13G/A: Gates Capital Management, Inc.
Aug 14
SC 13G: AMERICAN CENTURY INVESTMENT MANAGEMENT…
Provenance: Ownership from parsed 13F common-stock positions (tracked universe, comparable sets for changes); insider rows from Forms 3/4/5; stakes from Schedules 13D/13G; every filing links to its original on SEC EDGAR.
Reporting period: Q4 2025 ·
Methodology ·
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