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Cornerstone Investment Partners’s Atmus Filtration Technologies ATMU Stock Holding History

Cornerstone Investment Partners’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 		$357K Buy
6,288
+1,443
+30% +$85.3K 0.02% 109
2025
Q4 		$252K Buy
4,845
+3
+0.1% +$145 0.01% 128
2025
Q3 		$218K Buy
+4,842
New +$203K 0.01% 149
2025
Q1 		– Sell
-5,653
Closed -$221K – 199
2024
Q4 		$221K Sell
5,653
-9
-0.2% -$365 0.01% 168
2024
Q3 		$212K Buy
+5,662
New +$185K 0.01% 163

Other funds holding ATMU

BlackRock
BlackRock New York $5.72T AUM 30.48% 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 $2.9T AUM 29.55% 1-Year Est. Return

Cornerstone Investment Partners's ATMU Position: Q1 2026 in Review

Cornerstone Investment Partners increased its Atmus Filtration Technologies (ATMU) stake by 30% in Q1 2026, buying an estimated $85.3K and bringing the position to 6,288 shares worth $357K. The position accounts for 0.02% of the portfolio, ranked #109.

Cornerstone Investment Partners first reported a position in ATMU in Q3 2024 and has held it in 5 quarters since. 351 funds tracked by Wall St. Rank hold ATMU as of Q1 2026.

  • Cornerstone Investment Partners held 6,288 shares of Atmus Filtration Technologies worth $357K as of Q1 2026.
  • Cornerstone Investment Partners bought 1,443 Atmus Filtration Technologies shares in Q1 2026, an estimated $85.3K.
  • Atmus Filtration Technologies made up 0.02% of Cornerstone Investment Partners's portfolio in Q1 2026, its #109 holding.
  • Cornerstone Investment Partners first reported a position in Atmus Filtration Technologies in Q3 2024 and has held it in 5 quarters since.
  • 351 funds tracked by Wall St. Rank held Atmus Filtration Technologies as of Q1 2026.

Based on Cornerstone Investment Partners's 13F filing for Q1 2026, filed 8 May 2026.