Atmus Filtration Technologies Inc. (ATMU)

Market is closed

Sector: Motor Vehicle Parts & Accessories

Hedge Fund Popularity

Display

Display Share Price

Hedge Fund Holdings

Filing Period:

Last updated on August 21, 2026, 7:46pm based on SEC 13F filings Last update: August 21, 2026, 7:46pm

No.	Hedge Fund	Shares	Value	Activity	% Port
1.	Mangrove Partners Nathaniel August	1,211,236	$61,760,924	-8%	4.06%
2.	Royce & Associates Chuck Royce	995,247	$50,747,645	+28%	0.41%
3.	Marshall Wace LLP Paul Marshall And Ian Wace	806,251	$41,110,739	+150%	0.03%
4.	Woodline Partners Michael Rockefeller And Karl Kroeker	607,471	$30,974,946	+71%	0.1%
5.	D E Shaw D. E. Shaw	482,029	$24,578,659	-71%	0.01%

Insider Trading: Purchases See All

Insider	Price	Amount	Total Value	Remaining Holdings	Date	Form 4
Macadam Director	$49.78	2,000	$99,551.20	40,588	2026-08-12	Filing
Haggerty Director	$55.74	1,872	$104,352.77	25,741	2026-05-12	Filing
Haggerty Director	$55.74	1	$55.74	23,869	2026-05-12	Filing
Haggerty Director	$55.71	100	$5,590.55	23,868	2026-05-12	Filing
Donoso Director	$45.81	15	$687.15	9,078	2025-09-05	Filing

Insider Trading: Sales See All

Insider	Price	Amount	Total Value	Remaining Holdings	Date	Form 4
Swan Officer	$50.89	3,870	$196,955.91	46,875	2026-08-17	Filing
Swan Officer	$45.25	2,566	$116,103.80	50,745	2026-06-01	Filing
Masters Officer	$45.25	2,890	$130,763.83	43,579	2026-06-01	Filing
Kienzler Officer	$45.25	5,132	$232,207.60	75,804	2026-06-01	Filing
Disher Officer, Director	$45.25	25,652	$1,160,676.04	363,024	2026-06-01	Filing

Institutional Investors' Holdings

Filing Period:

No.	Name	Shares	Value	% Port
1.	Blackrock, Inc.	12,387,072	$631,616,801	0.01%
2.	Fmr Llc	5,316,383	$271,082,395	0.01%
3.	Vanguard Portfolio Management Llc	4,604,869	$234,802,270	0.01%
4.	Invesco Ltd.	4,457,550	$227,290,474	0.02%
5.	Vanguard Capital Management Llc	3,609,746	$184,060,949	0%