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Boston Partners

SEC CIK
0001386060
Latest filing
Aug 4, 2026

ATMU holding history

Atmus Filtration Technologies Inc. in every 13F filed by Boston Partners, including the quarters it was sold out or no filing was made. Changes compare share counts with the previous calendar quarter.

ATMU overviewAll 13F holders of ATMUFull Q2 2026 holdings

Shares (Q2 2026)
494,688
Value
$25.3M
% of portfolio
<0.1%
Quarters held
8
Since Q1 2024
Holdings of ATMU by Boston Partners, by quarter
QuarterSharesValue% of portfolioShare changeActionAll holders
Q2 2026494,688$25.3M<0.1%+494,688NewHolders
Q4 20250$00.0%−586,400−100.0%Sold outHolders
Q3 2025586,400$26.4M<0.1%−116,670−16.6%ReducedHolders
Q2 2025703,070$25.8M<0.1%+310.0%AddedHolders
Q1 2025703,039$25.5M<0.1%−42,196−5.7%ReducedHolders
Q4 2024745,235$29.6M<0.1%+11,819+1.6%AddedHolders
Q3 2024733,416$27.7M<0.1%−78,799−9.7%ReducedHolders
Q2 2024812,215$23.4M<0.1%−30,797−3.7%ReducedHolders
Q1 2024843,012$27.1M<0.1%+843,012NewHolders