Loomis, Sayles & Company’s Atmus Filtration Technologies ATMU Stock Holding History

Loomis, Sayles & Company’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	$16.6M	Sell	292,366 -59,621	-17%	-$3.52M	0.02%	266
2025 Q4	$18.3M	Sell	351,987 -13,836	-4%	-$670K	0.02%	253
2025 Q3	$16.5M	Buy	365,823 +15,770	+5%	+$662K	0.02%	268
2025 Q2	$12.7M	Sell	350,053 -1,633	-0.5%	-$58.3K	0.02%	325
2025 Q1	$12.9M	Sell	351,686 -10,542	-3%	-$416K	0.02%	309
2024 Q4	$14.2M	Hold	362,228	–	–	0.02%	314
2024 Q3	$13.6M	Sell	362,228 -14,185	-4%	-$463K	0.02%	312
2024 Q2	$10.8M	Buy	376,413 +2,320	+0.6%	+$70.4K	0.01%	346
2024 Q1	$12.1M	Buy	+374,093	New	+$8.95M	0.02%	331

Other funds holding ATMU

BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return

Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return

T. Rowe Price Associates Baltimore, Maryland $865B AUM 30.76% 1-Year Est. Return

VPM

Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM

VCM

Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM

Invesco Atlanta, Georgia $1.02T AUM 30.18% 1-Year Est. Return

Goldman Sachs New York $871B AUM 31.28% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return

First Trust Advisors Wheaton, Illinois $140B AUM 27.84% 1-Year Est. Return

State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return

Loomis, Sayles & Company's ATMU Position: Q1 2026 in Review

Loomis, Sayles & Company reduced its Atmus Filtration Technologies (ATMU) stake by 17% in Q1 2026, selling an estimated $3.52M and leaving 292,366 shares worth $16.6M. The position accounts for 0.02% of the portfolio, ranked #266.

Loomis, Sayles & Company first reported a position in ATMU in Q1 2024 and has held it in 9 quarters since. The position peaked at $18.3M in Q4 2025. 351 funds tracked by Wall St. Rank hold ATMU as of Q1 2026.

Loomis, Sayles & Company held 292,366 shares of Atmus Filtration Technologies worth $16.6M as of Q1 2026.
Loomis, Sayles & Company sold 59,621 Atmus Filtration Technologies shares in Q1 2026, an estimated $3.52M.
Atmus Filtration Technologies made up 0.02% of Loomis, Sayles & Company's portfolio in Q1 2026, its #266 holding.
Loomis, Sayles & Company first reported a position in Atmus Filtration Technologies in Q1 2024 and has held it in 9 quarters since.
Loomis, Sayles & Company's Atmus Filtration Technologies position peaked at $18.3M in Q4 2025.
351 funds tracked by Wall St. Rank held Atmus Filtration Technologies as of Q1 2026.

Based on Loomis, Sayles & Company's 13F filing for Q1 2026, filed 14 May 2026.