Security record
ATKR
Atkore Inc. · Industrials · Electrical Equipment & Parts
107Tracked holders
+4Δ holders
19.66MShares held
$1.49BReported value
+10New positions
−6Exits
Momentum inputs (comparable managers):
holder breadth +3.9% ·
share flow +4.5% ·
net new positions +3.7%
— formula
Broad accumulation — rising shares across more holders
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q2 2026
Ownership over time
| Quarter | Holders | Δ | Shares | Reported value | New | Exits |
|---|---|---|---|---|---|---|
| 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 | — |
| Q3 2025 | 19 | 0 | 10.82M | $678.57M | — | −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 | — | — |
| Q3 2024 | 12 | 0 | 3.20M | $270.84M | +2 | −2 |
| Q2 2024 | 12 | — | 2.92M | $395.13M | — | — |
Who holds it · Q2 2026
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | BlackRock ✦ (passive) | 3.12M | +18.6% | $236.96M | 0.0% | ▲ Add | 5 | SEC ↗ ×17 |
| 2 | American Century Companies Inc | 1.78M | +23.4% | $134.98M | 0.1% | ▲ Add | 3 | SEC ↗ |
| 3 | Vanguard Capital Management Llc | 1.52M | +0.6% | $115.90M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 4 | Dimensional Fund Advisors Lp | 1.30M | +5.8% | $98.83M | 0.0% | ▲ Add | 3 | SEC ↗ ×5 |
| 5 | State Street Global Advisors ✦ (passive) | 906.42K | +8.5% | $68.92M | 0.0% | ▲ Add | 7 | SEC ↗ |
| 6 | Geode Capital Management ✦ (passive) | 902.49K | +5.6% | $68.64M | 0.0% | ▲ Add | 9 | SEC ↗ ×2 |
| 7 | MIRAE ASSET GLOBAL ETFS HOLDINGS… | 575.61K | +8.0% | $43.77M | 0.1% | ▲ Add | 3 | SEC ↗ ×2 |
| 8 | First Trust Advisors Lp | 533.06K | -56.5% | $40.53M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 9 | JPMorgan Chase ✦ | 520.86K | +108.1% | $39.24M | 0.0% | ▲ Add | 4 | SEC ↗ ×7 |
| 10 | Arrowstreet Capital ✦ | 482.24K | -30.9% | $36.67M | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 11 | Charles Schwab Investment… | 453.96K | +8.7% | $34.52M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 12 | Bank Of America Corp /De/ | 438.80K | -5.1% | $33.37M | 0.0% | ▼ Trim | 3 | SEC ↗ ×4 |
| 13 | Two Sigma Investments ✦ | 402.13K | +13.9% | $30.58M | 0.0% | ▲ Add | 8 | SEC ↗ |
| 14 | Morgan Stanley ✦ | 378.57K | +11.9% | $28.79M | 0.0% | ▲ Add | 4 | SEC ↗ ×8 |
| 15 | Victory Capital Management Inc | 371.38K | -2.1% | $28.24M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 16 | Boston Partners | 367.81K | New | $27.87M | 0.0% | New | 1 | SEC ↗ ×3 |
| 17 | New York State Common Retirement… | 341.21K | -0.7% | $25.95M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 18 | Northern Trust Corp | 335.44K | +4.4% | $25.51M | 0.0% | ▲ Add | 3 | SEC ↗ ×5 |
| 19 | Swedbank AB | 296.21K | 0.0% | $22.52M | 0.0% | Held | 3 | SEC ↗ |
| 20 | Goldman Sachs Group ✦ | 288.59K | +4.5% | $21.94M | 0.0% | ▲ Add | 4 | SEC ↗ ×3 |
| 21 | Bank of New York Mellon Corp | 247.65K | +5.0% | $18.83M | 0.0% | ▲ Add | 3 | SEC ↗ ×8 |
| 22 | Sei Investments Co | 244.35K | +17.2% | $18.58M | 0.0% | ▲ Add | 3 | SEC ↗ ×3 |
| 23 | Nuveen, LLC | 238.99K | +23.2% | $18.17M | 0.0% | ▲ Add | 3 | SEC ↗ ×4 |
| 24 | Barclays Plc | 197.51K | +24.4% | $15.02M | 0.0% | ▲ Add | 3 | SEC ↗ ×3 |
| 25 | Federated Hermes, Inc. | 184.14K | +15.4% | $14.00M | 0.0% | ▲ Add | 3 | SEC ↗ ×2 |
| 26 | Allianz Asset Management GmbH | 181.84K | +49.1% | $13.83M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 27 | Qube Research & Technologies Ltd | 178.25K | +21.2% | $13.55M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 28 | Wells Fargo & Company/Mn | 155.87K | -12.5% | $11.85M | 0.0% | ▼ Trim | 3 | SEC ↗ ×4 |
| 29 | Healthcare Of Ontario Pension Plan… | 150.67K | +19.8% | $11.46M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 30 | D. E. Shaw & Co. ✦ | 145.45K | +137.4% | $11.06M | 0.0% | ▲ Add | 9 | SEC ↗ ×2 |
| 31 | Hotchkis & Wiley Capital Management… | 139.45K | -9.2% | $10.60M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 32 | Russell Investments Group, Ltd. | 125.12K | +32.7% | $9.51M | 0.0% | ▲ Add | 3 | SEC ↗ ×13 |
| 33 | Canada Pension Plan Investment Board | 102.90K | -58.4% | $7.82M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 34 | Allspring Global Investments… | 106.07K | +38.0% | $7.68M | 0.0% | ▲ Add | 3 | SEC ↗ ×2 |
| 35 | UBS AM, a distinct business unit of… | 100.28K | -5.6% | $7.63M | 0.0% | ▼ Trim | 3 | SEC ↗ ×9 |
| 36 | Man Group plc | 98.58K | -34.4% | $7.50M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 37 | Invesco Ltd. | 93.91K | -0.5% | $7.14M | 0.0% | ▼ Trim | 3 | SEC ↗ ×5 |
| 38 | Nordea Investment Management Ab | 89.81K | -3.9% | $6.75M | 0.0% | ▼ Trim | 3 | SEC ↗ ×2 |
| 39 | Bnp Paribas Financial Markets | 83.55K | +9.6% | $6.35M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 40 | Universal- Beteiligungs- und… | 74.81K | +1.8% | $5.69M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 41 | Ameriprise Financial Inc | 70.55K | +0.1% | $5.36M | 0.0% | ▲ Add | 3 | SEC ↗ ×3 |
| 42 | Jane Street Group, Llc | 68.19K | +40.0% | $5.18M | 0.0% | ▲ Add | 3 | SEC ↗ ×2 |
| 43 | Swiss National Bank | 67.70K | +2.0% | $5.15M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 44 | Envestnet Asset Management Inc | 66.75K | -8.2% | $5.08M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 45 | Prudential Financial Inc | 65.33K | +1.8% | $4.97M | 0.0% | ▲ Add | 3 | SEC ↗ ×2 |
| 46 | Caisse De Depot Et Placement Du… | 63.51K | +159.2% | $4.83M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 47 | Raymond James Financial Inc | 57.74K | -5.1% | $4.39M | 0.0% | ▼ Trim | 3 | SEC ↗ ×2 |
| 48 | UBS Group AG | 53.56K | -30.6% | $4.07M | 0.0% | ▼ Trim | 3 | SEC ↗ ×3 |
| 49 | Tidal Investments LLC | 51.66K | +61.8% | $3.93M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 50 | AQR Capital Management ✦ | 50.52K | -0.8% | $3.84M | 0.0% | ▼ Trim | 9 | SEC ↗ ×6 |
| 51 | Point72 Asset Management ✦ | 49.75K | New | $3.78M | 0.0% | New | 1 | SEC ↗ |
| 52 | Rhumbline Advisers | 46.50K | +6.6% | $3.54M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 53 | T. Rowe Price ✦ | 45.46K | +17.7% | $3.46M | 0.0% | ▲ Add | 9 | SEC ↗ |
| 54 | Nomura Asset Management… | 44.80K | -39.7% | $3.41M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 55 | Deutsche Bank Ag\ | 36.32K | -76.7% | $2.76M | 0.0% | ▼ Trim | 3 | SEC ↗ ×2 |
| 56 | Legal & General Group Plc | 33.14K | +4.0% | $2.52M | 0.0% | ▲ Add | 3 | SEC ↗ ×3 |
| 57 | Hsbc Holdings Plc | 29.85K | +60.0% | $2.25M | 0.0% | ▲ Add | 2 | SEC ↗ ×2 |
| 58 | Susquehanna International Group, Llp | 28.86K | -28.6% | $2.19M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 59 | Alliancebernstein L.P. | 36.56K | +4.3% | $2.15M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 60 | Balyasny Asset Management L.P. | 28.01K | -40.0% | $2.13M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 61 | Creative Planning | 23.96K | +29.3% | $1.82M | 0.0% | ▲ Add | 3 | SEC ↗ ×2 |
| 62 | Millennium Management ✦ | 23.86K | -39.2% | $1.81M | 0.0% | ▼ Trim | 9 | SEC ↗ |
| 63 | State Of Wisconsin Investment Board | 23.57K | +8.8% | $1.79M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 64 | Citigroup Inc | 22.19K | +52.0% | $1.69M | 0.0% | ▲ Add | 3 | SEC ↗ ×3 |
| 65 | Bridgewater Associates ✦ | 21.79K | New | $1.66M | 0.0% | New | 1 | SEC ↗ |
| 66 | Franklin Resources Inc | 21.13K | -29.1% | $1.61M | 0.0% | ▼ Trim | 3 | SEC ↗ ×2 |
| 67 | Fidelity (FMR) ✦ | 20.12K | +100.6% | $1.53M | 0.0% | ▲ Add | 5 | SEC ↗ ×2 |
| 68 | Manufacturers Life Insurance… | 17.29K | +9.2% | $1.31M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 69 | Holocene Advisors, LP | 16.13K | -21.9% | $1.23M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 70 | Cerity Partners LLC | 13.88K | +6.2% | $1.06M | 0.0% | ▲ Add | 3 | SEC ↗ ×2 |
| 71 | Royal Bank Of Canada | 13.84K | +4.2% | $1.05M | 0.0% | ▲ Add | 3 | SEC ↗ ×6 |
| 72 | Quantinno Capital Management LP | 13.41K | +113.2% | $1.02M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 73 | Squarepoint Ops LLC | 13.26K | New | $1.01M | 0.0% | New | 1 | SEC ↗ |
| 74 | Wcm Investment Management, Llc | 13.23K | New | $994,120 | 0.0% | New | 1 | SEC ↗ |
| 75 | Captrust Financial Advisors | 13.01K | -2.2% | $989,151 | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 76 | Walleye Trading LLC | 11.43K | New | $869,289 | 0.0% | New | 1 | SEC ↗ |
| 77 | BNP Paribas Asset Management… | 10.95K | +1539.7% | $832,866 | 0.0% | ▲ Add | 3 | SEC ↗ ×3 |
| 78 | LPL Financial LLC | 10.58K | -35.4% | $804,352 | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 79 | Zurcher Kantonalbank (Zurich… | 9.93K | 0.0% | $755,153 | 0.0% | Held | 3 | SEC ↗ |
| 80 | HighTower Advisors, LLC | 8.90K | -60.0% | $676,995 | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 81 | Stifel Financial Corp | 7.56K | -2.1% | $574,935 | 0.0% | ▼ Trim | 3 | SEC ↗ ×3 |
| 82 | State Board Of Administration Of… | 7.46K | 0.0% | $566,878 | 0.0% | Held | 3 | SEC ↗ |
| 83 | Mariner, LLC | 7.45K | New | $566,545 | 0.0% | New | 1 | SEC ↗ |
| 84 | Td Asset Management Inc | 6.78K | New | $515,703 | 0.0% | New | 1 | SEC ↗ |
| 85 | Grantham, Mayo, Van Otterloo & Co.… | 6.67K | -2.7% | $507,263 | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 86 | Voya Investment Management Llc | 6.58K | +13.3% | $499,963 | 0.0% | ▲ Add | 3 | SEC ↗ |
| 87 | Mitsubishi UFJ Trust & Banking Corp | 6.55K | -74.1% | $498,442 | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 88 | Rockefeller Capital Management L.P. | 5.81K | +4.1% | $442,165 | 0.0% | ▲ Add | 3 | SEC ↗ ×3 |
| 89 | Pictet Asset Management Holding SA | 5.22K | -10.2% | $396,625 | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 90 | Marshall Wace ✦ | 4.90K | New | $372,293 | 0.0% | New | 1 | SEC ↗ |
| 91 | ProShare Advisors LLC | 4.49K | -8.1% | $341,114 | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 92 | GAMCO Investors ✦ | 4.48K | 0.0% | $340,963 | 0.0% | Held | 5 | SEC ↗ |
| 93 | Gotham Asset Management ✦ | 3.89K | -16.9% | $296,100 | 0.0% | ▼ Trim | 9 | SEC ↗ |
| 94 | Pacer Advisors, Inc. | 3.69K | -97.3% | $280,000 | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 95 | Jones Financial Companies Lllp | 2.40K | -40.7% | $186,719 | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 96 | Daiwa Securities Group Inc. | 2.38K | New | $180,975 | 0.0% | New | 1 | SEC ↗ |
| 97 | Osaic Holdings, Inc. | 1.92K | -6.5% | $146,136 | 0.0% | ▼ Trim | 3 | SEC ↗ ×3 |
| 98 | Ensign Peak Advisors, Inc | 1.27K | -16.5% | $96,343 | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 99 | Group One Trading Llc | 1.12K | +44.6% | $85,089 | 0.0% | ▲ Add | 3 | SEC ↗ |
| 100 | Fifth Third Bancorp | 644 | -79.9% | $48,940 | 0.0% | ▼ Trim | 3 | SEC ↗ |
“Their weight” = the position's share of that manager's reported 13F equity value — the conviction measure. ✦ = curated manager.
New buyers
| Boston Partners | $27.87M | 0.0% |
| Point72 Asset Management | $3.78M | 0.0% |
| Bridgewater Associates | $1.66M | 0.0% |
| Squarepoint Ops LLC | $1.01M | 0.0% |
| Wcm Investment Management, Llc | $994,120 | 0.0% |
| Walleye Trading LLC | $869,289 | 0.0% |
| Mariner, LLC | $566,545 | 0.0% |
| Td Asset Management Inc | $515,703 | 0.0% |
| Marshall Wace | $372,293 | 0.0% |
| Daiwa Securities Group Inc. | $180,975 | 0.0% |
Exited
| Citadel Advisors | $3.81M | was 0.0% |
| Lazard Asset Management Llc | $1.97M | was 0.0% |
| Hrt Financial Lp | $333,000 | was 0.0% |
| Cetera Investment Advisers | $307,042 | was 0.0% |
| Amundi | $207,776 | was 0.0% |
| IMC-Chicago, LLC | $206,185 | was 0.0% |
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.
Open-market purchases (P)
No open-market insider purchases in our coverage window.
Open-market sales (S)
Aug 10
Lamps Mark F.
Officer · 300 sh · $28,125
Awards, exercises and tax withholding are never counted as buys or sales here. Methodology
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: Q2 2026 ·
Methodology ·
Get this via the API