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Steve Schonfeld’s Atmus Filtration Technologies ATMU Stock Holding History

Steve Schonfeld’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 		– Sell
-286,704
Closed -$16.3M – 2601
2026
Q1 		$16.3M Sell
286,704
-79,414
-22% -$4.69M 0.11% 199
2025
Q4 		$19M Buy
+366,118
New +$17.7M 0.08% 211
2025
Q2 		– Sell
-9,692
Closed -$356K – 2034
2025
Q1 		$356K Sell
9,692
-790
-8% -$31.2K ﹤0.01% 1722
2024
Q4 		$411K Sell
10,482
-192,501
-95% -$7.81M ﹤0.01% 1487
2024
Q3 		$7.62M Sell
202,983
-190,871
-48% -$6.23M 0.05% 385
2024
Q2 		$11.3M Sell
393,854
-780,242
-66% -$23.7M 0.07% 311
2024
Q1 		$37.9M Buy
+1,174,096
New +$28.1M 0.25% 56

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

Steve Schonfeld's ATMU Position: Q2 2026 in Review

Steve Schonfeld sold out of Atmus Filtration Technologies (ATMU) in Q2 2026, closing a stake of 286,704 shares — an estimated $16.3M sold.

Steve Schonfeld first reported a position in ATMU in Q1 2024 and held it in 7 quarters. The position peaked at $37.9M in Q1 2024. 333 funds tracked by Wall St. Rank hold ATMU as of Q2 2026.

  • Steve Schonfeld reported no remaining Atmus Filtration Technologies position as of Q2 2026 after selling out during the quarter.
  • Steve Schonfeld sold 286,704 Atmus Filtration Technologies shares in Q2 2026, an estimated $16.3M.
  • Steve Schonfeld first reported a position in Atmus Filtration Technologies in Q1 2024 and held it in 7 quarters.
  • Steve Schonfeld's Atmus Filtration Technologies position peaked at $37.9M in Q1 2024.
  • 333 funds tracked by Wall St. Rank held Atmus Filtration Technologies as of Q2 2026.

Based on Schonfeld Strategic Advisors's 13F filing for Q2 2026, filed 14 Aug 2026.