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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
Q2 		$306K Sell
5,999
-289
-5% -$15.7K 0.01% 174
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 $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

Cornerstone Investment Partners's ATMU Position: Q2 2026 in Review

Cornerstone Investment Partners reduced its Atmus Filtration Technologies (ATMU) stake by 4.6% in Q2 2026, selling an estimated $15.7K and leaving 5,999 shares worth $306K. The position accounts for 0.01% of the portfolio, ranked #174.

Cornerstone Investment Partners first reported a position in ATMU in Q3 2024 and has held it in 6 quarters since. The position peaked at $357K in Q1 2026. 335 funds tracked by Wall St. Rank hold ATMU as of Q2 2026.

  • Cornerstone Investment Partners held 5,999 shares of Atmus Filtration Technologies worth $306K as of Q2 2026.
  • Cornerstone Investment Partners sold 289 Atmus Filtration Technologies shares in Q2 2026, an estimated $15.7K.
  • Atmus Filtration Technologies made up 0.01% of Cornerstone Investment Partners's portfolio in Q2 2026, its #174 holding.
  • Cornerstone Investment Partners first reported a position in Atmus Filtration Technologies in Q3 2024 and has held it in 6 quarters since.
  • Cornerstone Investment Partners's Atmus Filtration Technologies position peaked at $357K in Q1 2026.
  • 335 funds tracked by Wall St. Rank held Atmus Filtration Technologies as of Q2 2026.

Based on Cornerstone Investment Partners's 13F filing for Q2 2026, filed 7 Aug 2026.