Wellington Management Group
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Wellington Management Group’s Atmus Filtration Technologies ATMU Stock Holding History

Wellington Management Group’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 		$73.7M Buy
1,445,763
+59,342
+4% +$3.22M 0.01% 627
2026
Q1 		$78.7M Sell
1,386,421
-216,074
-13% -$12.8M 0.01% 602
2025
Q4 		$83.2M Sell
1,602,495
-616,375
-28% -$29.8M 0.01% 594
2025
Q3 		$100M Sell
2,218,870
-414,355
-16% -$17.4M 0.02% 553
2025
Q2 		$95.9M Buy
2,633,225
+207,568
+9% +$7.41M 0.02% 529
2025
Q1 		$89.1M Buy
2,425,657
+478,018
+25% +$18.9M 0.02% 535
2024
Q4 		$76.3M Sell
1,947,639
-569,699
-23% -$23.1M 0.01% 596
2024
Q3 		$94.5M Buy
2,517,338
+43,004
+2% +$1.4M 0.02% 551
2024
Q2 		$71.2M Sell
2,474,334
-342,556
-12% -$10.4M 0.01% 618
2024
Q1 		$90.8M Buy
2,816,890
+1,988,845
+240% +$47.6M 0.02% 582
2023
Q4 		$19.5M Buy
828,045
+60,714
+8% +$1.3M ﹤0.01% 946
2023
Q3 		$16M Buy
767,331
+77,917
+11% +$1.78M ﹤0.01% 986
2023
Q2 		$15.1M Buy
+689,414
New +$14.4M ﹤0.01% 1007

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

Wellington Management Group's ATMU Position: Q2 2026 in Review

Wellington Management Group increased its Atmus Filtration Technologies (ATMU) stake by 4.3% in Q2 2026, buying an estimated $3.22M and bringing the position to 1,445,763 shares worth $73.7M. The position accounts for 0.01% of the portfolio, ranked #627.

Wellington Management Group first reported a position in ATMU in Q2 2023 and has held it in 13 quarters since. The position peaked at $100M in Q3 2025. 336 funds tracked by Wall St. Rank hold ATMU as of Q2 2026.

  • Wellington Management Group held 1,445,763 shares of Atmus Filtration Technologies worth $73.7M as of Q2 2026.
  • Wellington Management Group bought 59,342 Atmus Filtration Technologies shares in Q2 2026, an estimated $3.22M.
  • Atmus Filtration Technologies made up 0.01% of Wellington Management Group's portfolio in Q2 2026, its #627 holding.
  • Wellington Management Group first reported a position in Atmus Filtration Technologies in Q2 2023 and has held it in 13 quarters since.
  • Wellington Management Group's Atmus Filtration Technologies position peaked at $100M in Q3 2025.
  • 336 funds tracked by Wall St. Rank held Atmus Filtration Technologies as of Q2 2026.

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