Tweedy, Browne Co’s Atmus Filtration Technologies ATMU Stock Holding History

Tweedy, Browne Co’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 Q1	–	Sell	-40,550	Closed	-$2.1M	–	96
2025 Q4	$2.1M	Sell	40,550 -48,607	-55%	-$2.35M	0.17%	34
2025 Q3	$4.02M	Sell	89,157 -429	-0.5%	-$18K	0.35%	27
2025 Q2	$3.26M	Hold	89,586	–	–	0.3%	32
2025 Q1	$3.29M	Sell	89,586 -42,146	-32%	-$1.66M	0.29%	32
2024 Q4	$5.16M	Hold	131,732	–	–	0.35%	26
2024 Q3	$4.94M	Sell	131,732 -463	-0.4%	-$15.1K	0.24%	31
2024 Q2	$3.8M	Hold	132,195	–	–	0.17%	36
2024 Q1	$4.26M	Hold	132,195	–	–	0.2%	35
2023 Q4	$3.11M	Hold	132,195	–	–	0.15%	37
2023 Q3	$2.76M	Buy	+132,195	New	+$3.03M	0.15%	40

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

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

Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

Invesco Atlanta, Georgia $1.26T AUM 61.52% 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

First Trust Advisors Wheaton, Illinois $170B AUM 46.21% 1-Year Est. Return

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

Tweedy, Browne Co's ATMU Position: Q1 2026 in Review

Tweedy, Browne Co sold out of Atmus Filtration Technologies (ATMU) in Q1 2026, closing a stake of 40,550 shares — an estimated $2.1M sold.

Tweedy, Browne Co first reported a position in ATMU in Q3 2023 and held it in 10 quarters. The position peaked at $5.16M in Q4 2024. 351 funds tracked by Wall St. Rank hold ATMU as of Q1 2026.

Tweedy, Browne Co reported no remaining Atmus Filtration Technologies position as of Q1 2026 after selling out during the quarter.
Tweedy, Browne Co sold 40,550 Atmus Filtration Technologies shares in Q1 2026, an estimated $2.1M.
Tweedy, Browne Co first reported a position in Atmus Filtration Technologies in Q3 2023 and held it in 10 quarters.
Tweedy, Browne Co's Atmus Filtration Technologies position peaked at $5.16M in Q4 2024.
351 funds tracked by Wall St. Rank held Atmus Filtration Technologies as of Q1 2026.

Based on Tweedy, Browne Co's 13F filing for Q1 2026, filed 6 May 2026.