Chuck Royce's ATMU Position Overview
Chuck Royce (via Royce & Associates Lp) currently holds 667,812 shares of Atmus Filtration Technologies Inc. (ATMU) worth $34.67 M, representing 0.35% of the portfolio. First purchased in 2023-Q2, this medium-term investment has been held for 11 quarters.
Based on 13F filings, Chuck Royce has maintained a strategic position in ATMU, demonstrating sustained confidence in this investment. Largest addition occurred in Q1 2024, adding 397,068 shares. Largest reduction occurred in Q4 2024, reducing 83,308 shares.
Analysis based on 13F filings available since 2013 Q2
Chuck Royce's Atmus Filtration Technologies (ATMU) Holding Value Over Time
Track share changes against reported price movement
Quarterly Atmus Filtration Technologies (ATMU) Trades by Chuck Royce
| Report Date | Bought/Sold (Sh.) | % Change | Qtr. End Shares | Reported Price |
|---|---|---|---|---|
| Q2 2023 | +80,000 | New Buy | 80,000 | $21.96 |
| Q3 2023 | +31,800 | Add 39.75% | 111,800 | $20.85 |
| Q4 2023 | +112,480 | Add 100.61% | 224,280 | $23.49 |
| Q1 2024 | +397,068 | Add 177.04% | 621,348 | $32.25 |
| Q2 2024 | +160,783 | Add 25.88% | 782,131 | $28.78 |
| Q3 2024 | -54,877 | Reduce 7.02% | 727,254 | $37.53 |
| Q4 2024 | -83,308 | Reduce 11.46% | 643,946 | $39.18 |
| Q1 2025 | -16,159 | Reduce 2.51% | 627,787 | $36.73 |
| Q2 2025 | +45,233 | Add 7.21% | 673,020 | $36.42 |
| Q3 2025 | -22,948 | Reduce 3.41% | 650,072 | $45.09 |
| Q4 2025 | +17,740 | Add 2.73% | 667,812 | $51.91 |
Chuck Royce's Atmus Filtration Technologies Investment FAQs
Chuck Royce first purchased Atmus Filtration Technologies Inc. (ATMU) in Q2 2023, acquiring 80,000 shares, as reported in their 13F filing for that period. Note: Analysis reflects filings available since Q2 2013; earlier records may be incomplete.
Chuck Royce has held Atmus Filtration Technologies Inc. (ATMU) for 11 quarters since Q2 2023.
Chuck Royce's largest addition to Atmus Filtration Technologies Inc. (ATMU) was in Q1 2024, adding 621,348 shares worth $20.04 M.
According to the latest 13F filing for Q4 2025, Chuck Royce's firm, Royce & Associates Lp, owns 667,812 shares of Atmus Filtration Technologies Inc. (ATMU), valued at approximately $34.67 M.
As of the Q4 2025 filing, Atmus Filtration Technologies Inc. (ATMU) represents approximately 0.35% of Chuck Royce's publicly disclosed stock portfolio, making it one of their key holdings.
Chuck Royce's peak holding in Atmus Filtration Technologies Inc. (ATMU) was 782,131 shares, as reported at the end of Q2 2024.