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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
Q2 		$71.2M Buy
1,397,165
+157,979
+13% +$8.58M 0.54% 45
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 $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 $3.38T AUM 44.17% 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

Westwood Holdings Group's ATMU Position: Q2 2026 in Review

Westwood Holdings Group increased its Atmus Filtration Technologies (ATMU) stake by 13% in Q2 2026, buying an estimated $8.58M and bringing the position to 1,397,165 shares worth $71.2M. The position accounts for 0.54% of the portfolio, ranked #45.

Westwood Holdings Group first reported a position in ATMU in Q2 2025 and has held it in 5 quarters since. The position peaked at $73.9M in Q3 2025. 335 funds tracked by Wall St. Rank hold ATMU as of Q2 2026.

  • Westwood Holdings Group held 1,397,165 shares of Atmus Filtration Technologies worth $71.2M as of Q2 2026.
  • Westwood Holdings Group bought 157,979 Atmus Filtration Technologies shares in Q2 2026, an estimated $8.58M.
  • Atmus Filtration Technologies made up 0.54% of Westwood Holdings Group's portfolio in Q2 2026, its #45 holding.
  • Westwood Holdings Group first reported a position in Atmus Filtration Technologies in Q2 2025 and has held it in 5 quarters since.
  • Westwood Holdings Group's Atmus Filtration Technologies position peaked at $73.9M in Q3 2025.
  • 335 funds tracked by Wall St. Rank held Atmus Filtration Technologies as of Q2 2026.

Based on Westwood Holdings Group's 13F filing for Q2 2026, filed 14 Aug 2026.