ATMU
Atmus Filtration Technologies Inc. · Consumer Cyclical · Auto - Parts
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q2 2024
| Quarter | Holders | Δ | Shares | Reported value | New | Exits |
|---|---|---|---|---|---|---|
| Q2 2026 | 104 | -4 | 63.87M | $3.26B | +7 | −10 |
| Q1 2026 | 110 | +5 | 59.84M | $3.40B | +8 | −4 |
| Q4 2025 | 105 | 0 | 60.18M | $3.12B | +1 | — |
| Q3 2025 | 19 | 0 | 38.08M | $1.72B | — | — |
| Q2 2025 | 16 | -1 | 31.86M | $1.16B | — | −1 |
| Q1 2025 | 14 | 0 | 13.32M | $489.30M | — | — |
| Q4 2024 | 14 | -1 | 14.18M | $555.78M | — | −1 |
| Q3 2024 | 14 | +1 | 11.88M | $445.74M | +1 | — |
| Q2 2024 | 13 | — | 10.01M | $288.06M | — | — |
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | Wellington Management ✦ | 2.47M | — | $71.21M | 0.0% | n/c | 1 | SEC ↗ |
| 2 | Wellington Management ✦ | 2.47M | — | $71.21M | 0.0% | n/c | 1 | SEC ↗ |
| 3 | Wellington Management ✦ | 2.47M | — | $71.21M | 0.0% | n/c | 1 | SEC ↗ |
| 4 | Wellington Management ✦ | 2.47M | — | $71.21M | 0.0% | n/c | 1 | SEC ↗ |
| 5 | Wellington Management ✦ | 2.47M | — | $71.21M | 0.0% | n/c | 1 | SEC ↗ |
| 6 | Wellington Management ✦ | 2.47M | — | $71.21M | 0.0% | n/c | 1 | SEC ↗ |
| 7 | T. Rowe Price ✦ | 2.15M | — | $61.90M | 0.0% | n/c | 1 | SEC ↗ |
| 8 | T. Rowe Price ✦ | 2.15M | — | $61.90M | 0.0% | n/c | 1 | SEC ↗ |
| 9 | Geode Capital Management ✦ (passive) | 1.86M | — | $53.40M | 0.0% | n/c | 1 | SEC ↗ |
| 10 | Geode Capital Management ✦ (passive) | 1.86M | — | $53.40M | 0.0% | n/c | 1 | SEC ↗ |
| 11 | Two Sigma Investments ✦ | 891.84K | — | $25.67M | 0.1% | n/c | 1 | SEC ↗ |
| 12 | D. E. Shaw & Co. ✦ | 884.46K | — | $25.45M | 0.0% | n/c | 1 | SEC ↗ |
| 13 | D. E. Shaw & Co. ✦ | 884.46K | — | $25.45M | 0.0% | n/c | 1 | SEC ↗ |
| 14 | Renaissance Technologies ✦ | 616.50K | — | $17.74M | 0.0% | n/c | 1 | SEC ↗ |
| 15 | Millennium Management ✦ | 278.00K | — | $8.00M | 0.0% | n/c | 1 | SEC ↗ |
| 16 | Point72 Asset Management ✦ | 218.71K | — | $6.29M | 0.0% | n/c | 1 | SEC ↗ |
| 17 | Citadel Advisors ✦ | 177.09K | — | $5.10M | 0.0% | n/c | 1 | SEC ↗ |
| 18 | Citadel Advisors ✦ | 177.09K | — | $5.10M | 0.0% | n/c | 1 | SEC ↗ |
| 19 | Norges Bank ✦ (passive) | 165.10K | — | $4.75M | 0.0% | n/c | 1 | SEC ↗ |
| 20 | Marshall Wace ✦ | 155.47K | — | $4.47M | 0.0% | n/c | 1 | SEC ↗ |
| 21 | Tweedy, Browne ✦ | 132.19K | — | $3.80M | 0.2% | n/c | 1 | SEC ↗ |
| 22 | AQR Capital Management ✦ | 9.25K | — | $266,244 | 0.0% | n/c | 1 | SEC ↗ |
| 23 | AQR Capital Management ✦ | 9.25K | — | $266,244 | 0.0% | n/c | 1 | SEC ↗ |
| 24 | AQR Capital Management ✦ | 9.25K | — | $266,244 | 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
| 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