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

Assenagon 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
-181,867
Closed -$10.3M – 1172
2026
Q1 		$10.3M Sell
181,867
-452,721
-71% -$26.7M 0.02% 454
2025
Q4 		$32.9M Buy
634,588
+252,338
+66% +$12.2M 0.05% 280
2025
Q3 		$17.2M Buy
382,250
+12,770
+3% +$536K 0.02% 391
2025
Q2 		$13.5M Sell
369,480
-94,251
-20% -$3.36M 0.02% 420
2025
Q1 		$17M Buy
463,731
+84,025
+22% +$3.32M 0.03% 347
2024
Q4 		$14.9M Buy
+379,706
New +$15.4M 0.02% 410

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

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

Assenagon Asset Management sold out of Atmus Filtration Technologies (ATMU) in Q2 2026, closing a stake of 181,867 shares — an estimated $10.3M sold.

Assenagon Asset Management first reported a position in ATMU in Q4 2024 and held it in 6 quarters. The position peaked at $32.9M in Q4 2025. 335 funds tracked by Wall St. Rank hold ATMU as of Q2 2026.

  • Assenagon Asset Management reported no remaining Atmus Filtration Technologies position as of Q2 2026 after selling out during the quarter.
  • Assenagon Asset Management sold 181,867 Atmus Filtration Technologies shares in Q2 2026, an estimated $10.3M.
  • Assenagon Asset Management first reported a position in Atmus Filtration Technologies in Q4 2024 and held it in 6 quarters.
  • Assenagon Asset Management's Atmus Filtration Technologies position peaked at $32.9M in Q4 2025.
  • 335 funds tracked by Wall St. Rank held Atmus Filtration Technologies as of Q2 2026.

Based on Assenagon Asset Management's 13F filing for Q2 2026, filed 8 Jul 2026.