PEAK6
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PEAK6’s Atmus Filtration Technologies ATMU Stock Holding History

PEAK6’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
2025
Q4 		– Sell
-43,558
Closed -$2.11M – 2836
2025
Q3 		$1.96M Sell
43,558
-20,065
-32% -$842K ﹤0.01% 1510
2025
Q2 		$2.32M Sell
63,623
-7,270
-10% -$259K ﹤0.01% 1351
2025
Q1 		$2.6M Sell
70,893
-8,039
-10% -$317K 0.01% 1286
2024
Q4 		$3.09M Buy
+78,932
New +$3.2M 0.01% 1161

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
T. Rowe Price Associates
T. Rowe Price Associates Baltimore, Maryland $999B AUM 46.22% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
Invesco
Invesco Atlanta, Georgia $1.26T AUM 61.52% 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
First Trust Advisors
First Trust Advisors Wheaton, Illinois $170B AUM 46.21% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.38T AUM 44.17% 1-Year Est. Return

PEAK6's ATMU Position: Q4 2025 in Review

PEAK6 sold out of Atmus Filtration Technologies (ATMU) in Q4 2025, closing a stake of 43,558 shares — an estimated $2.11M sold.

PEAK6 first reported a position in ATMU in Q4 2024 and held it in 4 quarters. The position peaked at $3.09M in Q4 2024. 311 funds tracked by Wall St. Rank hold ATMU as of Q4 2025.

  • PEAK6 reported no remaining Atmus Filtration Technologies position as of Q4 2025 after selling out during the quarter.
  • PEAK6 sold 43,558 Atmus Filtration Technologies shares in Q4 2025, an estimated $2.11M.
  • PEAK6 first reported a position in Atmus Filtration Technologies in Q4 2024 and held it in 4 quarters.
  • PEAK6's Atmus Filtration Technologies position peaked at $3.09M in Q4 2024.
  • 311 funds tracked by Wall St. Rank held Atmus Filtration Technologies as of Q4 2025.

Based on PEAK6's 13F filing for Q4 2025, filed 13 Feb 2026.