Simplex Trading
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Simplex Trading’s Atmus Filtration Technologies ATMU Stock Holding History

Simplex Trading’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
2025
Q4 		– Sell
-200
Closed -$9K – 8502
2025
Q3 		$9K Sell
200
-300
-60% -$12.6K ﹤0.01% 7938
2025
Q2 		$18K Buy
500
+400
+400% +$14.3K ﹤0.01% 6836
2025
Q1 		$3K Sell
100
-1,900
-95% -$75K ﹤0.01% 7774
2024
Q4 		$78K Sell
2,000
-7,100
-78% -$288K ﹤0.01% 5410
2024
Q3 		$341K Sell
9,100
-7,700
-46% -$251K ﹤0.01% 3998
2024
Q2 		$483K Sell
16,800
-380,100
-96% -$11.5M ﹤0.01% 3713
2024
Q1 		$12.8M Buy
+396,900
New +$9.5M 0.01% 971

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