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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

ManagerAs ofWeight of bookValueSharesΔ sharesAction
Woodline PartnersQ2 2026 0.1%$31.0m607,471 71% added
Hite Hedge Asset ManagementQ2 2026 0.1%$1.2m22,963 25% added
Marshall WaceQ2 2026 0.0%$41.1m806,251 150% added
D. E. Shaw & CoQ2 2026 0.0%$24.6m482,029 -70% reduced
Ancora AdvisorsQ2 2026 0.0%$245.3k138,859 -32% reduced
Brevan Howard Capital ManagementQ2 2026 0.0%$205.0k4,020 -94% reduced
Citadel AdvisorsQ2 2026 0.0%$4.5m87,448 -62% reduced

Exited since the previous quarter

ManagerPrior weightPrior value
Eminence Capital1.7%$72.8m
Millennium Management0.1%$6.7m
Renaissance Technologies LLC0.0%$1.1m

How has hedge fund ownership of ATMU changed?

QuarterManagers holdingCombined value
Q2 20267$102.7m
Q1 202610$229.0m
Q4 20255$236.0m
Q3 20256$318.6m
Q2 20255$297.9m
Q1 20255$262.8m
Q4 20244$234.8m
Q3 20245$156.3m
Q2 20244$35.9m
Q1 20245$72.8m
Q4 20232$5.5m
Q3 20233$7.7m
Q2 20232$1.8m

Counts every tracked manager that disclosed ATMU in that quarter's filing, including managers that have since stopped filing.