ATMU
Atmus Filtration Technologies Inc. · Consumer Cyclical · Auto - Parts
Momentum inputs (comparable managers): holder breadth 0.0% · share flow -0.4% · net new positions 0.0% · formula
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q3 2025
| Quarter | Holders | Δ | Shares | Reported value | New | Exits |
|---|---|---|---|---|---|---|
| Q3 2026 | 1 | 0 | 10.68K | $455,271 | n/a | n/a |
| Q2 2026 | 103 | -4 | 63.86M | $3.26B | +7 | −11 |
| Q1 2026 | 110 | +5 | 59.84M | $3.40B | +8 | −4 |
| Q4 2025 | 105 | 0 | 60.18M | $3.12B | +1 | n/a |
| Q3 2025 | 19 | 0 | 38.08M | $1.72B | n/a | n/a |
| Q2 2025 | 16 | -1 | 31.86M | $1.16B | n/a | −1 |
| Q1 2025 | 14 | 0 | 13.32M | $489.30M | n/a | n/a |
| Q4 2024 | 14 | -1 | 14.18M | $555.78M | n/a | −1 |
| Q3 2024 | 14 | +1 | 11.88M | $445.74M | +1 | n/a |
| Q2 2024 | 13 | n/a | 10.01M | $288.06M | n/a | n/a |
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | The Vanguard Group ✦ (passive) | 7.97M | -2.1% | $359.57M | 0.0% | ▼ Trim | 2 | SEC ↗ ×5 |
| 2 | BlackRock ✦ (passive) | 6.66M | -1.2% | $300.34M | 0.0% | ▼ Trim | 2 | SEC ↗ ×15 |
| 3 | T. Rowe Price ✦ | 4.08M | +93.6% | $184.03M | 0.0% | ▲ Add | 6 | SEC ↗ ×2 |
| 4 | Fidelity (FMR) ✦ | 3.50M | -12.1% | $157.93M | 0.0% | ▼ Trim | 2 | SEC ↗ ×5 |
| 5 | Goldman Sachs Group ✦ | 3.04M | n/a | $136.92M | 0.0% | n/c | 1 | SEC ↗ ×4 |
| 6 | Geode Capital Management ✦ (passive) | 2.37M | +0.4% | $107.07M | 0.0% | ▲ Add | 6 | SEC ↗ ×2 |
| 7 | Morgan Stanley ✦ | 2.32M | n/a | $104.47M | 0.0% | n/c | 1 | SEC ↗ ×13 |
| 8 | Wellington Management ✦ | 2.22M | -15.7% | $100.05M | 0.0% | ▼ Trim | 6 | SEC ↗ ×5 |
| 9 | State Street Global Advisors ✦ (passive) | 1.93M | -1.0% | $87.19M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 10 | D. E. Shaw & Co. ✦ | 1.77M | -19.5% | $79.74M | 0.1% | ▼ Trim | 6 | SEC ↗ ×2 |
| 11 | JPMorgan Chase ✦ | 1.01M | n/a | $45.70M | 0.0% | n/c | 1 | SEC ↗ ×14 |
| 12 | Marshall Wace ✦ | 477.53K | -29.4% | $21.53M | 0.0% | ▼ Trim | 6 | SEC ↗ ×3 |
| 13 | Renaissance Technologies ✦ | 214.10K | -51.2% | $9.65M | 0.0% | ▼ Trim | 6 | SEC ↗ |
| 14 | Millennium Management ✦ | 139.87K | +52.8% | $6.31M | 0.0% | ▲ Add | 6 | SEC ↗ |
| 15 | Two Sigma Investments ✦ | 98.25K | -19.0% | $4.43M | 0.0% | ▼ Trim | 6 | SEC ↗ |
| 16 | Tweedy, Browne ✦ | 89.16K | -0.5% | $4.02M | 0.3% | ▼ Trim | 6 | SEC ↗ |
| 17 | AQR Capital Management ✦ | 78.49K | +26.1% | $3.54M | 0.0% | ▲ Add | 6 | SEC ↗ ×4 |
| 18 | Citadel Advisors ✦ | 77.28K | -48.1% | $3.48M | 0.0% | ▼ Trim | 6 | SEC ↗ ×2 |
| 19 | Arrowstreet Capital ✦ | 28.00K | -74.5% | $1.26M | 0.0% | ▼ Trim | 5 | SEC ↗ |
“Their weight” = the position's share of that manager's reported 13F equity value: the conviction measure. ✦ = curated manager.
New buyers
| No new tracked buyers this quarter. |
Exited
| No tracked exits this quarter. |
Full-market context: across ALL 13F filers (SEC structured data, Q1 2026): 349 holders, 83.15M shares, $4.30B reported. This is a different, older period than the tracked-universe figures above and the two are never mixed.
What else this security's tracked holders most often hold: shared-ownership counts, not fundamental relationships.
Open-market purchases (P)
Director · 2.00K sh @ 49.78 · $99,551
Open-market sales (S)
Officer · 3.87K sh · $196,956
Awards, exercises and tax withholding are never counted as buys or sales here. Methodology