Boston Trust Walden’s Atmus Filtration Technologies ATMU Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2026
Q2
$36.2M Sell
709,764
-40,815
-5% -$2.22M 0.28% 132
2026
Q1
$42.6M Sell
750,579
-102,898
-12% -$6.08M 0.35% 104
2025
Q4
$44.3M Buy
+853,477
New +$41.3M 0.33% 118

Other funds holding ATMU

Boston Trust Walden's ATMU Position: Q2 2026 in Review

Boston Trust Walden reduced its Atmus Filtration Technologies (ATMU) stake by 5.4% in Q2 2026, selling an estimated $2.22M and leaving 709,764 shares worth $36.2M. The position accounts for 0.28% of the portfolio, ranked #132.

Boston Trust Walden first reported a position in ATMU in Q4 2025 and has held it in 3 quarters since. The position peaked at $44.3M in Q4 2025. 335 funds tracked by Wall St. Rank hold ATMU as of Q2 2026.

  • Boston Trust Walden held 709,764 shares of Atmus Filtration Technologies worth $36.2M as of Q2 2026.
  • Boston Trust Walden sold 40,815 Atmus Filtration Technologies shares in Q2 2026, an estimated $2.22M.
  • Atmus Filtration Technologies made up 0.28% of Boston Trust Walden's portfolio in Q2 2026, its #132 holding.
  • Boston Trust Walden first reported a position in Atmus Filtration Technologies in Q4 2025 and has held it in 3 quarters since.
  • Boston Trust Walden's Atmus Filtration Technologies position peaked at $44.3M in Q4 2025.
  • 335 funds tracked by Wall St. Rank held Atmus Filtration Technologies as of Q2 2026.

Based on Boston Trust Walden's 13F filing for Q2 2026, filed 24 Jul 2026.