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Westwood Holdings Group’s Atmus Filtration Technologies ATMU Stock Holding History

Westwood Holdings Group’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 		$70.3M Sell
1,239,186
-142,299
-10% -$8.41M 0.51% 56
2025
Q4 		$71.7M Sell
1,381,485
-256,904
-16% -$12.4M 0.58% 46
2025
Q3 		$73.9M Buy
1,638,389
+1,303,084
+389% +$54.7M 0.53% 63
2025
Q2 		$12.2M Buy
+335,305
New +$12M 0.09% 220

Other funds holding ATMU

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return
T. Rowe Price Associates
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
Invesco Atlanta, Georgia $1.02T AUM 30.18% 1-Year Est. Return
Goldman Sachs
Goldman Sachs New York $871B AUM 31.28% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
First Trust Advisors
First Trust Advisors Wheaton, Illinois $140B AUM 27.84% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return

Westwood Holdings Group's ATMU Position: Q1 2026 in Review

Westwood Holdings Group reduced its Atmus Filtration Technologies (ATMU) stake by 10% in Q1 2026, selling an estimated $8.41M and leaving 1,239,186 shares worth $70.3M. The position accounts for 0.51% of the portfolio, ranked #56.

Westwood Holdings Group first reported a position in ATMU in Q2 2025 and has held it in 4 quarters since. The position peaked at $73.9M in Q3 2025. 351 funds tracked by Wall St. Rank hold ATMU as of Q1 2026.

  • Westwood Holdings Group held 1,239,186 shares of Atmus Filtration Technologies worth $70.3M as of Q1 2026.
  • Westwood Holdings Group sold 142,299 Atmus Filtration Technologies shares in Q1 2026, an estimated $8.41M.
  • Atmus Filtration Technologies made up 0.51% of Westwood Holdings Group's portfolio in Q1 2026, its #56 holding.
  • Westwood Holdings Group first reported a position in Atmus Filtration Technologies in Q2 2025 and has held it in 4 quarters since.
  • Westwood Holdings Group's Atmus Filtration Technologies position peaked at $73.9M in Q3 2025.
  • 351 funds tracked by Wall St. Rank held Atmus Filtration Technologies as of Q1 2026.

Based on Westwood Holdings Group's 13F filing for Q1 2026, filed 15 May 2026.