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Frontier Capital Management’s Atmus Filtration Technologies ATMU Stock Holding History

Frontier Capital 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 		$59M Buy
1,157,930
+415,709
+56% +$22.6M 0.55% 48
2026
Q1 		$42.1M Buy
742,221
+88,667
+14% +$5.24M 0.43% 74
2025
Q4 		$33.9M Buy
653,554
+284,928
+77% +$13.8M 0.36% 97
2025
Q3 		$16.6M Buy
368,626
+29,323
+9% +$1.23M 0.15% 199
2025
Q2 		$12.4M Buy
339,303
+87,533
+35% +$3.12M 0.11% 227
2025
Q1 		$9.25M Sell
251,770
-100,756
-29% -$3.98M 0.1% 225
2024
Q4 		$13.8M Buy
352,526
+144,543
+69% +$5.86M 0.13% 193
2024
Q3 		$7.81M Buy
+207,983
New +$6.79M 0.07% 228

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

Frontier Capital Management's ATMU Position: Q2 2026 in Review

Frontier Capital Management increased its Atmus Filtration Technologies (ATMU) stake by 56% in Q2 2026, buying an estimated $22.6M and bringing the position to 1,157,930 shares worth $59M. The position accounts for 0.55% of the portfolio, ranked #48.

Frontier Capital Management first reported a position in ATMU in Q3 2024 and has held it in 8 quarters since. 335 funds tracked by Wall St. Rank hold ATMU as of Q2 2026.

  • Frontier Capital Management held 1,157,930 shares of Atmus Filtration Technologies worth $59M as of Q2 2026.
  • Frontier Capital Management bought 415,709 Atmus Filtration Technologies shares in Q2 2026, an estimated $22.6M.
  • Atmus Filtration Technologies made up 0.55% of Frontier Capital Management's portfolio in Q2 2026, its #48 holding.
  • Frontier Capital Management first reported a position in Atmus Filtration Technologies in Q3 2024 and has held it in 8 quarters since.
  • 335 funds tracked by Wall St. Rank held Atmus Filtration Technologies as of Q2 2026.

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