SEI Investments
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SEI Investments’s Atmus Filtration Technologies ATMU Stock Holding History

SEI Investments’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 		$4.1M Sell
80,334
-83,816
-51% -$4.55M ﹤0.01% 1596
2026
Q1 		$9.32M Buy
164,150
+62,018
+61% +$3.66M 0.01% 1181
2025
Q4 		$5.3M Buy
102,132
+28,344
+38% +$1.37M 0.01% 1344
2025
Q3 		$3.33M Buy
73,788
+5,175
+8% +$217K ﹤0.01% 1475
2025
Q2 		$2.5M Sell
68,613
-132,649
-66% -$4.73M ﹤0.01% 1561
2025
Q1 		$7.39M Sell
201,262
-84,618
-30% -$3.34M 0.01% 1106
2024
Q4 		$11.2M Sell
285,880
-36,040
-11% -$1.46M 0.01% 940
2024
Q3 		$12.1M Buy
321,920
+5,441
+2% +$178K 0.02% 908
2024
Q2 		$9.11M Buy
316,479
+46,051
+17% +$1.4M 0.01% 966
2024
Q1 		$8.72M Buy
270,428
+118,670
+78% +$2.84M 0.01% 966
2023
Q4 		$3.56M Buy
151,758
+10,298
+7% +$221K 0.01% 1335
2023
Q3 		$2.95M Sell
141,460
-112,348
-44% -$2.57M 0.01% 1411
2023
Q2 		$5.57M Buy
+253,808
New +$5.32M 0.01% 1147

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

SEI Investments's ATMU Position: Q2 2026 in Review

SEI Investments reduced its Atmus Filtration Technologies (ATMU) stake by 51% in Q2 2026, selling an estimated $4.55M and leaving 80,334 shares worth $4.1M. The position accounts for ﹤0.01% of the portfolio, ranked #1596.

SEI Investments first reported a position in ATMU in Q2 2023 and has held it in 13 quarters since. The position peaked at $12.1M in Q3 2024. 335 funds tracked by Wall St. Rank hold ATMU as of Q2 2026.

  • SEI Investments held 80,334 shares of Atmus Filtration Technologies worth $4.1M as of Q2 2026.
  • SEI Investments sold 83,816 Atmus Filtration Technologies shares in Q2 2026, an estimated $4.55M.
  • Atmus Filtration Technologies made up ﹤0.01% of SEI Investments's portfolio in Q2 2026, its #1596 holding.
  • SEI Investments first reported a position in Atmus Filtration Technologies in Q2 2023 and has held it in 13 quarters since.
  • SEI Investments's Atmus Filtration Technologies position peaked at $12.1M in Q3 2024.
  • 335 funds tracked by Wall St. Rank held Atmus Filtration Technologies as of Q2 2026.

Based on SEI Investments's 13F filing for Q2 2026, filed 14 Aug 2026.