Ownership history in Boston Partners · 7 quarters on record
This page tracks every 13F SEC filing in which Boston Partners reported a position in ATMUS FILTRATION TECHNOLOGIE (ATMU). Data includes quarterly share count, position size as % of portfolio, estimated market value, and end-of-quarter stock price — sourced directly from SEC EDGAR 13F filings.
| Quarter | Action | Shares | Change | Chg % | % of Fund | Mkt Value | Price (EOQ) |
|---|---|---|---|---|---|---|---|
| 2025 Q3 | REDUCED | 586,400 | -116,670 | -16.6% | 0.03% | $26.4M | $45.00 |
| 2025 Q2 | ADDED | 703,070 | +31 | +0.0% | 0.03% | $25.8M | $36.30 |
| 2025 Q1 | REDUCED | 703,039 | -42,196 | -5.7% | 0.03% | $25.5M | $36.56 |
| 2024 Q4 | ADDED | 745,235 | +11,819 | +1.6% | 0.04% | $29.6M | $38.95 |
As of 2025 Q4 — sorted by position size