AlphaQuest’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
Q1
Sell
-41,291
Closed -$2.14M 184
2025
Q4
$2.14M Sell
41,291
-3,538
-8% -$171K 0.12% 177
2025
Q3
$2.02M Buy
44,829
+10,247
+30% +$430K 0.13% 185
2025
Q2
$1.26M Buy
34,582
+16,000
+86% +$571K 0.12% 228
2025
Q1
$683K Buy
18,582
+5,768
+45% +$228K 0.07% 412
2024
Q4
$502K Buy
+12,814
New +$520K 0.07% 473

Other funds holding ATMU

AlphaQuest's ATMU Position: Q1 2026 in Review

AlphaQuest sold out of Atmus Filtration Technologies (ATMU) in Q1 2026, closing a stake of 41,291 shares — an estimated $2.14M sold.

AlphaQuest first reported a position in ATMU in Q4 2024 and held it in 5 quarters. The position peaked at $2.14M in Q4 2025. 351 funds tracked by Wall St. Rank hold ATMU as of Q1 2026.

  • AlphaQuest reported no remaining Atmus Filtration Technologies position as of Q1 2026 after selling out during the quarter.
  • AlphaQuest sold 41,291 Atmus Filtration Technologies shares in Q1 2026, an estimated $2.14M.
  • AlphaQuest first reported a position in Atmus Filtration Technologies in Q4 2024 and held it in 5 quarters.
  • AlphaQuest's Atmus Filtration Technologies position peaked at $2.14M in Q4 2025.
  • 351 funds tracked by Wall St. Rank held Atmus Filtration Technologies as of Q1 2026.

Based on AlphaQuest's 13F filing for Q1 2026.