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 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 New York $5.72T AUM 30.48% 1-Year Est. Return

Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return

T. Rowe Price Associates Baltimore, Maryland $865B AUM 30.76% 1-Year Est. Return

VPM

Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM

VCM

Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM

Invesco Atlanta, Georgia $1.02T AUM 30.18% 1-Year Est. Return

Goldman Sachs New York $871B AUM 31.28% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return

First Trust Advisors Wheaton, Illinois $140B AUM 27.84% 1-Year Est. Return

State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return

Kennedy Capital Management's ATMU Position: Q1 2026 in Review

Kennedy Capital Management reduced its Atmus Filtration Technologies (ATMU) stake by 20% in Q1 2026, selling an estimated $4.05M and leaving 275,231 shares worth $15.6M. The position accounts for 0.33% of the portfolio, ranked #93.

Kennedy Capital Management first reported a position in ATMU in Q3 2023 and has held it in 11 quarters since. The position peaked at $18.8M in Q3 2024. 351 funds tracked by Wall St. Rank hold ATMU as of Q1 2026.

Kennedy Capital Management held 275,231 shares of Atmus Filtration Technologies worth $15.6M as of Q1 2026.
Kennedy Capital Management sold 68,617 Atmus Filtration Technologies shares in Q1 2026, an estimated $4.05M.
Atmus Filtration Technologies made up 0.33% of Kennedy Capital Management's portfolio in Q1 2026, its #93 holding.
Kennedy Capital Management first reported a position in Atmus Filtration Technologies in Q3 2023 and has held it in 11 quarters since.
Kennedy Capital Management's Atmus Filtration Technologies position peaked at $18.8M in Q3 2024.
351 funds tracked by Wall St. Rank held Atmus Filtration Technologies as of Q1 2026.

Based on Kennedy Capital Management's 13F filing for Q1 2026, filed 13 May 2026.