ATMU — ATMUS FILTRATION TECHNOLOGIE
As of Q2 2026, 35 SEC-registered investment managers reported holding ATMU (ATMUS FILTRATION TECHNOLOGIE) in their latest 13F filings, with a combined reported value of $2.06B across 44.70M shares. That is +10.9% by share count (+4.38M shares) versus the previous quarter, while reported value moved +0.9%. Ownership is concentrated: the five largest holders account for 69.3% of reported value and the top ten for 83.8%.
Compared with the prior quarter, 2 opened new positions, 16 added to existing stakes, 16 trimmed, 3 exited entirely. 13F holdings are quarter-end snapshots, so these moves reflect positioning as of Q2 2026, not real-time trading.
ATMU is classified in the Consumer Discretionary sector.
All figures on this page are computed from SEC Form 13F quarterly filings. 13F filers disclose long positions of $100,000 or more within 45 days of quarter end; short positions, options overlays and intra-quarter trades are not included, so treat the numbers as a quarterly snapshot of institutional ownership rather than real-time positioning.
| Fund | Quarter | Shares | Value | Portfolio Weight | Change |
|---|---|---|---|---|---|
| BlackRock Inc history | Q2 2026 | 12.39M | $631.62M | 0.01% | Add |
| Vanguard Group history | Q4 2025 | 7.84M | $407.09M | 0.01% | Reduce |
| Fidelity Management & Research (FMR) history | Q2 2026 | 5.32M | $271.08M | 0.01% | Add |
| Invesco Ltd history | Q2 2026 | 4.46M | $227.29M | 0.02% | Add |
| Goldman Sachs Group history | Q2 2026 | 2.90M | $148.06M | 0.01% | Reduce |
| Geode Capital Management history | Q2 2026 | 2.87M | $146.27M | 0.01% | Add |
| Janus Henderson Group history | Q1 2026 | 1.55M | $88.10M | 0.04% | Add |
| Morgan Stanley history | Q2 2026 | 1.62M | $82.51M | 0.01% | Reduce |
| Wellington Management Group history | Q2 2026 | 1.45M | $73.72M | 0.01% | Add |
| Royce & Associates history | Q2 2026 | 995.25K | $50.75M | 0.41% | Add |
| Charles Schwab Investment Management history | Q2 2026 | 957.07K | $48.80M | 0.01% | Add |
| Northern Trust Corp history | Q2 2026 | 852.44K | $43.47M | 0.01% | Add |
| Marshall Wace history | Q2 2026 | 806.25K | $41.11M | 0.03% | Add |
| Manulife Financial history | Q2 2026 | 767.84K | $39.15M | 0.03% | Add |
| BNY Mellon history | Q2 2026 | 578.86K | $29.52M | 0.01% | Add |
| Bank of America Corp history | Q2 2026 | 484.70K | $24.72M | 0.00% | Reduce |
| Principal Global Investors history | Q2 2026 | 482.39K | $24.60M | 0.01% | Add |
| D. E. Shaw & Co history | Q2 2026 | 482.03K | $24.58M | 0.01% | Reduce |
| MFS Investment Management history | Q2 2026 | 403.49K | $20.57M | 0.01% | Reduce |
| Fidelity International (FIL) history | Q1 2025 | 552.77K | $20.30M | 0.02% | Reduce |
New Positions (Q2 2026)
- JPMorgan Chase & Co 387.64K sh · $19.80M
- PSP Investments 326.82K sh · $16.66M
Fully Exited (vs previous quarter)
- Janus Henderson Group sold 1.55M sh · $88.10M
- Millennium Management sold 118.64K sh · $6.74M
- Renaissance Technologies sold 18.70K sh · $1.06M
Fund Position History — shares by quarter (top 20 funds)
| Fund | Q2 2023 | Q3 2023 | Q4 2023 | Q1 2024 | Q2 2024 | Q3 2024 | Q4 2024 | Q1 2025 | Q2 2025 | Q3 2025 | Q4 2025 | Q1 2026 | Q2 2026 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| BlackRock Inc | — | — | — | — | — | 6.04M | 6.53M | 7.07M | 6.74M | 6.66M | 6.77M | 6.81M | 12.39M |
| Fidelity Management & Research (FMR) | 366.50K | 1.08M | 2.87M | 5.89M | 6.16M | 5.34M | 3.27M | 4.13M | 3.98M | 3.50M | 4.42M | 4.94M | 5.32M |
| Invesco Ltd | — | — | 9.38K | 59.49K | 64.14K | 128.84K | 1.17M | 2.16M | 2.19M | 2.22M | 2.73M | 3.34M | 4.46M |
| Goldman Sachs Group | 123.24K | 46.32K | 646.77K | 3.18M | 3.19M | 3.18M | 3.35M | 3.00M | 2.97M | 3.04M | 3.20M | 3.29M | 2.90M |
| Geode Capital Management | — | 293.88K | 306.69K | 1.76M | 1.86M | 1.89M | 1.89M | 1.96M | 2.37M | 2.37M | 2.43M | 2.65M | 2.87M |
| Morgan Stanley | 745.87K | 750.19K | 1.09M | 3.97M | 4.66M | 3.29M | 2.46M | 2.37M | 2.46M | 2.32M | 2.12M | 1.74M | 1.62M |
| Wellington Management Group | 689.41K | 767.33K | 828.04K | 2.82M | 2.47M | 2.52M | 1.95M | 2.43M | 2.63M | 2.22M | 1.60M | 1.39M | 1.45M |
| Royce & Associates | 80.00K | 111.80K | 224.28K | 621.35K | 782.13K | 727.25K | 643.95K | 627.79K | 673.02K | 650.07K | 667.81K | 777.74K | 995.25K |
| Charles Schwab Investment Management | — | 115.26K | 116.38K | 664.12K | 674.03K | 713.14K | 753.50K | 799.22K | 865.42K | 908.25K | 935.88K | 940.62K | 957.07K |
| Northern Trust Corp | — | 138.60K | 137.80K | 696.69K | 694.69K | 737.66K | 828.26K | 808.23K | 764.97K | 756.88K | 716.66K | 726.51K | 852.44K |
| Marshall Wace | 324.63K | — | — | 622.38K | 155.47K | 18.82K | 86.91K | 308.75K | 676.88K | 477.53K | 564.73K | 322.61K | 806.25K |
| Manulife Financial | 613.99K | 630.44K | 685.73K | 858.12K | 993.76K | 1.27M | 1.31M | 1.33M | 1.47M | 1.04M | 769.73K | 758.81K | 767.84K |
| BNY Mellon | — | 40.15K | 118.74K | 307.71K | 373.79K | 306.55K | 528.40K | 345.80K | 364.01K | 362.99K | 351.07K | 359.70K | 578.86K |
| Bank of America Corp | 101.27K | 265.07K | 410.35K | 1.81M | 473.11K | 781.90K | 751.10K | 1.32M | 580.06K | 533.14K | 667.98K | 893.58K | 484.70K |
| Principal Global Investors | — | — | — | 261.74K | 11.32K | 7.79K | 7.18K | 6.69K | 68.42K | 53.86K | 79.56K | 82.28K | 482.39K |
| D. E. Shaw & Co | — | — | 101.90K | 656.88K | 884.46K | 1.33M | 1.91M | 2.08M | 2.20M | 1.77M | 1.44M | 1.62M | 482.03K |
| MFS Investment Management | — | — | — | 1.22M | 1.20M | 1.17M | 1.25M | 1.22M | 1.22M | 1.09M | 877.40K | 818.85K | 403.49K |
| JPMorgan Chase & Co | 101.68K | 112.48K | 156.66K | 502.33K | 264.41K | 286.10K | 506.54K | 313.29K | 534.34K | 506.81K | 324.08K | — | 387.64K |
| Arrowstreet Capital | — | — | — | 220.22K | — | 15.87K | 336.78K | 177.17K | 109.61K | 28.00K | 340.19K | 999.55K | 383.64K |
| UBS Group AG | 305 | 10.79K | 20.25K | 99.19K | 342.26K | 162.76K | 190.80K | 228.47K | 99.39K | 109.23K | 333.71K | 381.68K | 372.00K |
▲ Bought Low (fund opened/added, stock rose ≥5% next quarter) ▼ Sold High (fund reduced, stock fell ≥5% next quarter)
Drag / scroll to zoom · Default shows the most recent year · Annotations come from quarterly fund actions in 13F filings · Hover a marker for details