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Kennedy Capital Management’s Atmus Filtration Technologies ATMU Stock Holding History

Kennedy Capital 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 		$1.91M Sell
37,515
-237,716
-86% -$12.9M 0.03% 456
2026
Q1 		$15.6M Sell
275,231
-68,617
-20% -$4.05M 0.33% 93
2025
Q4 		$17.8M Sell
343,848
-7,762
-2% -$376K 0.38% 80
2025
Q3 		$15.9M Buy
351,610
+167,095
+91% +$7.01M 0.35% 77
2025
Q2 		$6.72M Sell
184,515
-37,666
-17% -$1.34M 0.16% 224
2025
Q1 		$8.16M Sell
222,181
-215,971
-49% -$8.52M 0.19% 180
2024
Q4 		$17.2M Sell
438,152
-62,449
-12% -$2.53M 0.38% 49
2024
Q3 		$18.8M Buy
500,601
+946
+0.2% +$30.9K 0.41% 43
2024
Q2 		$14.4M Sell
499,655
-31,183
-6% -$946K 0.31% 87
2024
Q1 		$17.1M Buy
530,838
+246,287
+87% +$5.89M 0.35% 65
2023
Q4 		$6.68M Buy
284,551
+159,551
+128% +$3.42M 0.15% 252
2023
Q3 		$2.61M Buy
+125,000
New +$2.86M 0.06% 412

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

Kennedy Capital Management's ATMU Position: Q2 2026 in Review

Kennedy Capital Management reduced its Atmus Filtration Technologies (ATMU) stake by 86% in Q2 2026, selling an estimated $12.9M and leaving 37,515 shares worth $1.91M. The position accounts for 0.03% of the portfolio, ranked #456.

Kennedy Capital Management first reported a position in ATMU in Q3 2023 and has held it in 12 quarters since. The position peaked at $18.8M in Q3 2024. 336 funds tracked by Wall St. Rank hold ATMU as of Q2 2026.

  • Kennedy Capital Management held 37,515 shares of Atmus Filtration Technologies worth $1.91M as of Q2 2026.
  • Kennedy Capital Management sold 237,716 Atmus Filtration Technologies shares in Q2 2026, an estimated $12.9M.
  • Atmus Filtration Technologies made up 0.03% of Kennedy Capital Management's portfolio in Q2 2026, its #456 holding.
  • Kennedy Capital Management first reported a position in Atmus Filtration Technologies in Q3 2023 and has held it in 12 quarters since.
  • Kennedy Capital Management's Atmus Filtration Technologies position peaked at $18.8M in Q3 2024.
  • 336 funds tracked by Wall St. Rank held Atmus Filtration Technologies as of Q2 2026.

Based on Kennedy Capital Management's 13F filing for Q2 2026, filed 14 Aug 2026.