Acadian Asset Management
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Acadian Asset Management’s Atmus Filtration Technologies ATMU Stock Holding History

Acadian Asset Management’s Portfolio ATMU Stock Details ATMU Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		$157K Sell
3,101
-136,550
-98% -$7.42M ﹤0.01% 1674
2026
Q1 		$7.92M Buy
139,651
+104,138
+293% +$6.15M 0.01% 590
2025
Q4 		$1.84M Buy
+35,513
New +$1.72M ﹤0.01% 939
2025
Q2 		– Sell
-18,776
Closed -$689K – 1656
2025
Q1 		$689K Sell
18,776
-250,037
-93% -$9.87M ﹤0.01% 1008
2024
Q4 		$10.5M Sell
268,813
-103,519
-28% -$4.2M 0.03% 343
2024
Q3 		$14M Buy
372,332
+321,142
+627% +$10.5M 0.04% 287
2024
Q2 		$1.47M Buy
+51,190
New +$1.55M ﹤0.01% 870
2023
Q4 		– Sell
-21,726
Closed -$452K – 1671
2023
Q3 		$452K Buy
+21,726
New +$497K ﹤0.01% 1027

Other funds holding ATMU

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
Invesco
Invesco Atlanta, Georgia $1.26T AUM 61.52% 1-Year Est. Return
T. Rowe Price Associates
T. Rowe Price Associates Baltimore, Maryland $999B AUM 46.22% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Goldman Sachs
Goldman Sachs New York $1.15T AUM 47.82% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
Neuberger Berman Group
Neuberger Berman Group New York $150B AUM 40.08% 1-Year Est. Return

Acadian Asset Management's ATMU Position: Q2 2026 in Review

Acadian Asset Management reduced its Atmus Filtration Technologies (ATMU) stake by 98% in Q2 2026, selling an estimated $7.42M and leaving 3,101 shares worth $157K. The position accounts for ﹤0.01% of the portfolio, ranked #1674.

Acadian Asset Management first reported a position in ATMU in Q3 2023 and has held it in 8 quarters since. The position peaked at $14M in Q3 2024. 335 funds tracked by Wall St. Rank hold ATMU as of Q2 2026.

  • Acadian Asset Management held 3,101 shares of Atmus Filtration Technologies worth $157K as of Q2 2026.
  • Acadian Asset Management sold 136,550 Atmus Filtration Technologies shares in Q2 2026, an estimated $7.42M.
  • Atmus Filtration Technologies made up ﹤0.01% of Acadian Asset Management's portfolio in Q2 2026, its #1674 holding.
  • Acadian Asset Management first reported a position in Atmus Filtration Technologies in Q3 2023 and has held it in 8 quarters since.
  • Acadian Asset Management's Atmus Filtration Technologies position peaked at $14M in Q3 2024.
  • 335 funds tracked by Wall St. Rank held Atmus Filtration Technologies as of Q2 2026.

Based on Acadian Asset Management's 13F filing for Q2 2026, filed 13 Aug 2026.