Riverwater Partners’s Atmus Filtration Technologies ATMU Stock Holding History

Riverwater Partners’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	$2.24M	Sell	43,911 -9,234	-17%	-$502K	0.66%	50
2026 Q1	$3.02M	Buy	53,145 +2,388	+5%	+$141K	1.01%	24
2025 Q4	$2.63M	Hold	50,757	–	–	1.02%	23
2025 Q3	$2.29M	Hold	50,757	–	–	0.95%	28
2025 Q2	$1.85M	Sell	50,757 -7	-0%	-$250	0.87%	31
2025 Q1	$1.86M	Buy	50,764 +5	+0%	+$197	0.96%	28
2024 Q4	$1.99M	Buy	50,759 +59	+0.1%	+$2.39K	0.97%	24
2024 Q3	$1.88M	Buy	+50,700	New	+$1.65M	0.94%	26

Other funds holding ATMU

BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return

Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return

Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM

Invesco Atlanta, Georgia $1.26T AUM 61.52% 1-Year Est. Return

T. Rowe Price Associates Baltimore, Maryland $999B AUM 46.22% 1-Year Est. Return

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return

Goldman Sachs New York $1.15T AUM 47.82% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return

Neuberger Berman Group New York $150B AUM 40.08% 1-Year Est. Return

Riverwater Partners's ATMU Position: Q2 2026 in Review

Riverwater Partners reduced its Atmus Filtration Technologies (ATMU) stake by 17% in Q2 2026, selling an estimated $502K and leaving 43,911 shares worth $2.24M. The position accounts for 0.66% of the portfolio, ranked #50.

Riverwater Partners first reported a position in ATMU in Q3 2024 and has held it in 8 quarters since. The position peaked at $3.02M in Q1 2026. 335 funds tracked by Wall St. Rank hold ATMU as of Q2 2026.

Riverwater Partners held 43,911 shares of Atmus Filtration Technologies worth $2.24M as of Q2 2026.
Riverwater Partners sold 9,234 Atmus Filtration Technologies shares in Q2 2026, an estimated $502K.
Atmus Filtration Technologies made up 0.66% of Riverwater Partners's portfolio in Q2 2026, its #50 holding.
Riverwater Partners first reported a position in Atmus Filtration Technologies in Q3 2024 and has held it in 8 quarters since.
Riverwater Partners's Atmus Filtration Technologies position peaked at $3.02M in Q1 2026.
335 funds tracked by Wall St. Rank held Atmus Filtration Technologies as of Q2 2026.

Based on Riverwater Partners's 13F filing for Q2 2026, filed 14 Aug 2026.