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Watchtower Advisors’s Atmus Filtration Technologies ATMU Stock Holding History

Watchtower Advisors’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
2025
Q3 		– Sell
-166,932
Closed -$6.08M – 17
2025
Q2 		$6.08M Sell
166,932
-26,534
-14% -$947K 3.6% 13
2025
Q1 		$7.11M Hold
193,466
– – 5.16% 10
2024
Q4 		$7.58M Hold
193,466
– – 4.29% 11
2024
Q3 		$7.26M Buy
+193,466
New +$6.31M 3.37% 12

Other funds holding ATMU

Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return
BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
EC
Eminence Capital New York $4.36B AUM 3.1% 1-Year Est. Return
T. Rowe Price Associates
T. Rowe Price Associates Baltimore, Maryland $865B AUM 30.76% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return
Goldman Sachs
Goldman Sachs New York $871B AUM 31.28% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return
Invesco
Invesco Atlanta, Georgia $1.02T AUM 30.18% 1-Year Est. Return
Wellington Management Group
Wellington Management Group Boston, Massachusetts $535B AUM 26.23% 1-Year Est. Return

Watchtower Advisors's ATMU Position: Q3 2025 in Review

Watchtower Advisors sold out of Atmus Filtration Technologies (ATMU) in Q3 2025, closing a stake of 166,932 shares — an estimated $6.08M sold.

Watchtower Advisors first reported a position in ATMU in Q3 2024 and held it in 4 quarters. The position peaked at $7.58M in Q4 2024. 291 funds tracked by Wall St. Rank hold ATMU as of Q3 2025.

  • Watchtower Advisors reported no remaining Atmus Filtration Technologies position as of Q3 2025 after selling out during the quarter.
  • Watchtower Advisors sold 166,932 Atmus Filtration Technologies shares in Q3 2025, an estimated $6.08M.
  • Watchtower Advisors first reported a position in Atmus Filtration Technologies in Q3 2024 and held it in 4 quarters.
  • Watchtower Advisors's Atmus Filtration Technologies position peaked at $7.58M in Q4 2024.
  • 291 funds tracked by Wall St. Rank held Atmus Filtration Technologies as of Q3 2025.

Based on Watchtower Advisors's 13F filing for Q3 2025, filed 13 Nov 2025.