Which hedge funds own ATMU? ATMUS FILTRATION TECHNOLOGIE, Q2 2026 13F holders
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7 of the hedge funds tracked by WhaleCreep disclosed a position in ATMU (ATMUS FILTRATION TECHNOLOGIE) in their Q2 2026 13F filings, worth $102.7m in total. The largest holder by portfolio weight is Woodline Partners at 0.1% of its book. 3 exited: Eminence Capital, Millennium Management, Renaissance Technologies LLC.
7tracked managers holding
0opened this quarter
3exited this quarter
Which hedge funds hold ATMU? Current holders by portfolio weight
| Manager | As of | Weight of book | Value | Shares | Δ shares | Action |
|---|---|---|---|---|---|---|
| Woodline Partners | Q2 2026 | 0.1% | $31.0m | 607,471 | 71% | added |
| Hite Hedge Asset Management | Q2 2026 | 0.1% | $1.2m | 22,963 | 25% | added |
| Marshall Wace | Q2 2026 | 0.0% | $41.1m | 806,251 | 150% | added |
| D. E. Shaw & Co | Q2 2026 | 0.0% | $24.6m | 482,029 | -70% | reduced |
| Ancora Advisors | Q2 2026 | 0.0% | $245.3k | 138,859 | -32% | reduced |
| Brevan Howard Capital Management | Q2 2026 | 0.0% | $205.0k | 4,020 | -94% | reduced |
| Citadel Advisors | Q2 2026 | 0.0% | $4.5m | 87,448 | -62% | reduced |
Exited since the previous quarter
| Manager | Prior weight | Prior value |
|---|---|---|
| Eminence Capital | 1.7% | $72.8m |
| Millennium Management | 0.1% | $6.7m |
| Renaissance Technologies LLC | 0.0% | $1.1m |
How has hedge fund ownership of ATMU changed?
| Quarter | Managers holding | Combined value |
|---|---|---|
| Q2 2026 | 7 | $102.7m |
| Q1 2026 | 10 | $229.0m |
| Q4 2025 | 5 | $236.0m |
| Q3 2025 | 6 | $318.6m |
| Q2 2025 | 5 | $297.9m |
| Q1 2025 | 5 | $262.8m |
| Q4 2024 | 4 | $234.8m |
| Q3 2024 | 5 | $156.3m |
| Q2 2024 | 4 | $35.9m |
| Q1 2024 | 5 | $72.8m |
| Q4 2023 | 2 | $5.5m |
| Q3 2023 | 3 | $7.7m |
| Q2 2023 | 2 | $1.8m |
Counts every tracked manager that disclosed ATMU in that quarter's filing, including managers that have since stopped filing.