Citadel Advisors
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Citadel Advisors’s Atmus Filtration Technologies ATMU Stock Holding History

Citadel Advisors’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 		$235K Sell
4,600
-1,400
-23% -$76.1K ﹤0.01% 11698
2026
Q1 		$341K Sell
6,000
-4,500
-43% -$266K ﹤0.01% 10179
2025
Q4 		$545K Sell
10,500
-900
-8% -$43.6K ﹤0.01% 8820
2025
Q3 		$514K Buy
+11,400
New +$478K ﹤0.01% 9069
2025
Q2 		– Sell
-7,200
Closed -$264K – 12472
2025
Q1 		$264K Sell
7,200
-10,200
-59% -$403K ﹤0.01% 9863
2024
Q4 		$682K Sell
17,400
-4,200
-19% -$170K ﹤0.01% 7887
2024
Q3 		$811K Buy
21,600
+4,200
+24% +$137K ﹤0.01% 7278
2024
Q2 		$501K Sell
17,400
-235,900
-93% -$7.15M ﹤0.01% 8049
2024
Q1 		$8.17M Buy
253,300
+248,100
+4,771% +$5.94M ﹤0.01% 3197
2023
Q4 		$122K Buy
5,200
+4,900
+1,633% +$105K ﹤0.01% 10678
2023
Q3 		$6.25K Buy
+300
New +$6.87K ﹤0.01% 13329

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

Citadel Advisors's ATMU Position: Q2 2026 in Review

Citadel Advisors reduced its Atmus Filtration Technologies (ATMU) stake by 62% in Q2 2026, selling an estimated $7.77M and leaving 87,448 shares worth $4.46M. The position accounts for ﹤0.01% of the portfolio, ranked #4928.

Citadel Advisors first reported a position in ATMU in Q2 2023 and has held it in 13 quarters since. The position peaked at $44.2M in Q1 2025. 336 funds tracked by Wall St. Rank hold ATMU as of Q2 2026.

  • Citadel Advisors held 87,448 shares of Atmus Filtration Technologies worth $4.46M as of Q2 2026.
  • Citadel Advisors sold 143,017 Atmus Filtration Technologies shares in Q2 2026, an estimated $7.77M.
  • Atmus Filtration Technologies made up ﹤0.01% of Citadel Advisors's portfolio in Q2 2026, its #4928 holding.
  • Citadel Advisors first reported a position in Atmus Filtration Technologies in Q2 2023 and has held it in 13 quarters since.
  • Citadel Advisors's Atmus Filtration Technologies position peaked at $44.2M in Q1 2025.
  • 336 funds tracked by Wall St. Rank held Atmus Filtration Technologies as of Q2 2026.

Based on Citadel Advisors's 13F filing for Q2 2026, filed 14 Aug 2026.