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Aristides Capital’s Atmus Filtration Technologies ATMU Stock Holding History

Aristides Capital’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
-3,721
Closed -$211K – 168
2026
Q1 		$211K Sell
3,721
-2,004
-35% -$118K 0.05% 150
2025
Q4 		$297K Sell
5,725
-640
-10% -$31K 0.05% 120
2025
Q3 		$287K Hold
6,365
– – 0.04% 171
2025
Q2 		$232K Buy
+6,365
New +$227K 0.05% 186

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

Aristides Capital's ATMU Position: Q2 2026 in Review

Aristides Capital sold out of Atmus Filtration Technologies (ATMU) in Q2 2026, closing a stake of 3,721 shares — an estimated $211K sold.

Aristides Capital first reported a position in ATMU in Q2 2025 and held it in 4 quarters. The position peaked at $297K in Q4 2025. 335 funds tracked by Wall St. Rank hold ATMU as of Q2 2026.

  • Aristides Capital reported no remaining Atmus Filtration Technologies position as of Q2 2026 after selling out during the quarter.
  • Aristides Capital sold 3,721 Atmus Filtration Technologies shares in Q2 2026, an estimated $211K.
  • Aristides Capital first reported a position in Atmus Filtration Technologies in Q2 2025 and held it in 4 quarters.
  • Aristides Capital's Atmus Filtration Technologies position peaked at $297K in Q4 2025.
  • 335 funds tracked by Wall St. Rank held Atmus Filtration Technologies as of Q2 2026.

Based on Aristides Capital's 13F filing for Q2 2026, filed 13 Aug 2026.