Renaissance Technologies
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Renaissance Technologies’s Atmus Filtration Technologies ATMU Stock Holding History

Renaissance Technologies’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
-18,700
Closed -$1.06M – 3191
2026
Q1 		$1.06M Sell
18,700
-28,700
-61% -$1.7M ﹤0.01% 2240
2025
Q4 		$2.46M Sell
47,400
-166,700
-78% -$8.07M ﹤0.01% 1739
2025
Q3 		$9.65M Sell
214,100
-224,800
-51% -$9.43M 0.01% 1114
2025
Q2 		$16M Buy
438,900
+23,800
+6% +$849K 0.02% 811
2025
Q1 		$15.2M Sell
415,100
-133,300
-24% -$5.26M 0.02% 790
2024
Q4 		$21.5M Buy
548,400
+5,500
+1% +$223K 0.03% 642
2024
Q3 		$20.4M Sell
542,900
-73,600
-12% -$2.4M 0.03% 653
2024
Q2 		$17.7M Buy
+616,500
New +$18.7M 0.03% 648
2024
Q1 		– Sell
-100,900
Closed -$2.37M – 3695
2023
Q4 		$2.37M Sell
100,900
-106,700
-51% -$2.29M ﹤0.01% 1850
2023
Q3 		$4.33M Buy
+207,600
New +$4.75M 0.01% 1394

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

Renaissance Technologies's ATMU Position: Q2 2026 in Review

Renaissance Technologies sold out of Atmus Filtration Technologies (ATMU) in Q2 2026, closing a stake of 18,700 shares — an estimated $1.06M sold.

Renaissance Technologies first reported a position in ATMU in Q3 2023 and held it in 10 quarters. The position peaked at $21.5M in Q4 2024. 334 funds tracked by Wall St. Rank hold ATMU as of Q2 2026.

  • Renaissance Technologies reported no remaining Atmus Filtration Technologies position as of Q2 2026 after selling out during the quarter.
  • Renaissance Technologies sold 18,700 Atmus Filtration Technologies shares in Q2 2026, an estimated $1.06M.
  • Renaissance Technologies first reported a position in Atmus Filtration Technologies in Q3 2023 and held it in 10 quarters.
  • Renaissance Technologies's Atmus Filtration Technologies position peaked at $21.5M in Q4 2024.
  • 334 funds tracked by Wall St. Rank held Atmus Filtration Technologies as of Q2 2026.

Based on Renaissance Technologies's 13F filing for Q2 2026, filed 13 Aug 2026.