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Weiss Asset Management’s Atmus Filtration Technologies ATMU Stock Holding History

Weiss Asset Management’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 		– Sell
-12,506
Closed -$710K – 649
2026
Q1 		$710K Buy
+12,506
New +$739K 0.01% 368
2025
Q1 		– Sell
-143,208
Closed -$5.61M – 338
2024
Q4 		$5.61M Sell
143,208
-127,063
-47% -$5.16M 0.11% 188
2024
Q3 		$10.1M Sell
270,271
-537,077
-67% -$17.5M 0.22% 110
2024
Q2 		$23.2M Sell
807,348
-578,535
-42% -$17.5M 0.88% 27
2024
Q1 		$44.7M Sell
1,385,883
-545,299
-28% -$13M 1.54% 12
2023
Q4 		$45.4M Buy
1,931,182
+102,479
+6% +$2.2M 2.17% 8
2023
Q3 		$38.1M Buy
1,828,703
+1,713,110
+1,482% +$39.2M 2.26% 11
2023
Q2 		$2.54M Buy
+115,593
New +$2.42M 0.19% 72

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

Weiss Asset Management's ATMU Position: Q2 2026 in Review

Weiss Asset Management sold out of Atmus Filtration Technologies (ATMU) in Q2 2026, closing a stake of 12,506 shares — an estimated $710K sold.

Weiss Asset Management first reported a position in ATMU in Q2 2023 and held it in 8 quarters. The position peaked at $45.4M in Q4 2023. 336 funds tracked by Wall St. Rank hold ATMU as of Q2 2026.

  • Weiss Asset Management reported no remaining Atmus Filtration Technologies position as of Q2 2026 after selling out during the quarter.
  • Weiss Asset Management sold 12,506 Atmus Filtration Technologies shares in Q2 2026, an estimated $710K.
  • Weiss Asset Management first reported a position in Atmus Filtration Technologies in Q2 2023 and held it in 8 quarters.
  • Weiss Asset Management's Atmus Filtration Technologies position peaked at $45.4M in Q4 2023.
  • 336 funds tracked by Wall St. Rank held Atmus Filtration Technologies as of Q2 2026.

Based on Weiss Asset Management's 13F filing for Q2 2026, filed 14 Aug 2026.