American Century Companies
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American Century Companies’s Atmus Filtration Technologies ATMU Stock Holding History

American Century Companies’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 		$9.15M Buy
161,147
+32,455
+25% +$1.92M ﹤0.01% 1504
2025
Q4 		$6.68M Buy
128,692
+62,105
+93% +$3.01M ﹤0.01% 1619
2025
Q3 		$3M Sell
66,587
-484,986
-88% -$20.3M ﹤0.01% 1917
2025
Q2 		$20.1M Sell
551,573
-256,842
-32% -$9.16M 0.01% 1087
2025
Q1 		$29.7M Sell
808,415
-447,989
-36% -$17.7M 0.02% 850
2024
Q4 		$49.2M Sell
1,256,404
-364,737
-22% -$14.8M 0.03% 637
2024
Q3 		$60.8M Sell
1,621,141
-360,796
-18% -$11.8M 0.04% 522
2024
Q2 		$57M Buy
1,981,937
+54,051
+3% +$1.64M 0.03% 516
2024
Q1 		$62.2M Buy
1,927,886
+752,006
+64% +$18M 0.04% 474
2023
Q4 		$27.6M Buy
1,175,880
+139,637
+13% +$2.99M 0.02% 738
2023
Q3 		$21.6M Sell
1,036,243
-41,666
-4% -$954K 0.02% 776
2023
Q2 		$23.7M Buy
+1,077,909
New +$22.6M 0.02% 698

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

American Century Companies's ATMU Position: Q1 2026 in Review

American Century Companies increased its Atmus Filtration Technologies (ATMU) stake by 25% in Q1 2026, buying an estimated $1.92M and bringing the position to 161,147 shares worth $9.15M. The position accounts for ﹤0.01% of the portfolio, ranked #1504.

American Century Companies first reported a position in ATMU in Q2 2023 and has held it in 12 quarters since. The position peaked at $62.2M in Q1 2024. 351 funds tracked by Wall St. Rank hold ATMU as of Q1 2026.

  • American Century Companies held 161,147 shares of Atmus Filtration Technologies worth $9.15M as of Q1 2026.
  • American Century Companies bought 32,455 Atmus Filtration Technologies shares in Q1 2026, an estimated $1.92M.
  • Atmus Filtration Technologies made up ﹤0.01% of American Century Companies's portfolio in Q1 2026, its #1504 holding.
  • American Century Companies first reported a position in Atmus Filtration Technologies in Q2 2023 and has held it in 12 quarters since.
  • American Century Companies's Atmus Filtration Technologies position peaked at $62.2M in Q1 2024.
  • 351 funds tracked by Wall St. Rank held Atmus Filtration Technologies as of Q1 2026.

Based on American Century Companies's 13F filing for Q1 2026, filed 15 May 2026.