Massachusetts Financial Services
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Massachusetts Financial Services’s Atmus Filtration Technologies ATMU Stock Holding History

Massachusetts Financial Services’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 		$20.6M Sell
403,485
-415,365
-51% -$22.6M 0.01% 664
2026
Q1 		$50.3M Sell
818,850
-58,551
-7% -$3.46M 0.02% 475
2025
Q4 		$45.5M Sell
877,401
-215,936
-20% -$10.5M 0.01% 493
2025
Q3 		$49.3M Sell
1,093,337
-125,318
-10% -$5.26M 0.02% 469
2025
Q2 		$44.4M Sell
1,218,655
-2,708
-0.2% -$96.6K 0.01% 491
2025
Q1 		$44.9M Sell
1,221,363
-28,449
-2% -$1.12M 0.01% 469
2024
Q4 		$49M Buy
1,249,812
+81,502
+7% +$3.31M 0.02% 471
2024
Q3 		$43.8M Sell
1,168,310
-30,793
-3% -$1.01M 0.01% 485
2024
Q2 		$34.5M Sell
1,199,103
-16,528
-1% -$501K 0.01% 516
2024
Q1 		$39.2M Buy
+1,215,631
New +$29.1M 0.01% 491

Other funds holding ATMU

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
CCM
Channing Capital Management Chicago, Illinois $4.34B AUM 37.08% 1-Year Est. Return
BTW
Boston Trust Walden Boston, Massachusetts $13.1B AUM 24.63% 1-Year Est. Return
Bank of New York Mellon
Bank of New York Mellon New York $609B AUM 40.19% 1-Year Est. Return
Aberdeen Group
Aberdeen Group Edinburgh, United Kingdom $71.2B AUM 41.74% 1-Year Est. Return
Boston Partners
Boston Partners Boston, Massachusetts $113B AUM 38.87% 1-Year Est. Return
Principal Financial Group
Principal Financial Group Des Moines, Iowa $204B AUM 27.99% 1-Year Est. Return
New York State Common Retirement Fund
New York State Common Retirement Fund Albany, New York $79.3B AUM 43.63% 1-Year Est. Return
Victory Capital Management
Victory Capital Management San Antonio, Texas $178B AUM 37.23% 1-Year Est. Return

Massachusetts Financial Services's ATMU Position: Q2 2026 in Review

Massachusetts Financial Services reduced its Atmus Filtration Technologies (ATMU) stake by 51% in Q2 2026, selling an estimated $22.6M and leaving 403,485 shares worth $20.6M. The position accounts for 0.01% of the portfolio, ranked #664.

Massachusetts Financial Services first reported a position in ATMU in Q1 2024 and has held it in 10 quarters since. The position peaked at $50.3M in Q1 2026. 140 funds tracked by Wall St. Rank hold ATMU as of Q2 2026.

  • Massachusetts Financial Services held 403,485 shares of Atmus Filtration Technologies worth $20.6M as of Q2 2026.
  • Massachusetts Financial Services sold 415,365 Atmus Filtration Technologies shares in Q2 2026, an estimated $22.6M.
  • Atmus Filtration Technologies made up 0.01% of Massachusetts Financial Services's portfolio in Q2 2026, its #664 holding.
  • Massachusetts Financial Services first reported a position in Atmus Filtration Technologies in Q1 2024 and has held it in 10 quarters since.
  • Massachusetts Financial Services's Atmus Filtration Technologies position peaked at $50.3M in Q1 2026.
  • 140 funds tracked by Wall St. Rank held Atmus Filtration Technologies as of Q2 2026.

Based on Massachusetts Financial Services's 13F filing for Q2 2026, filed 3 Aug 2026.