Channing Capital Management, LLC

Position in ATMU — Atmus Filtration Technologies Inc.

CIK 1302404 Chicago, IL

Position in ATMU

as of Jun 30, 2026 · filed Jul 29, 2026 Compact

Position Value

$88,006,496

+$9,327,591 QoQ

Shares Held

1,725,956

+24.5% QoQ

Ownership

2.12%

of shares outstanding

% of Portfolio

2.03%

of 13F equity value

Holder Rank

#12

of 333 holders

Holding Since

Jun 2025

5 quarters on record

Voting authority Sole 46% Shared 0% None 54%

Consumer Cyclical · as of Jun 30, 2026

Channing Capital Management, LLC holds $187,506,030 across 3 Auto Parts names. ATMU ranks #2 (46.9% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	DORM	Dorman Products, Inc.	665,319	$90,782,777
2	ATMU	Atmus Filtration Technologies Inc. This page	1,725,956	$88,006,496
3	LKQ	Lkq Corp	331,058	$8,716,757

5 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$88,006,496	1,725,956	+24.5%	Shares	Sole	2026-07-29
2026-03-31	$78,678,905	1,385,924	-14.9%	Shares	Sole	2026-05-14
2025-12-31	$84,555,835	1,628,893	-5.0%	Shares	Sole	2026-02-13
2025-09-30	$77,330,026	1,715,015	+3192.8%	Shares	Sole	2025-11-10
2025-06-30	$1,896,899	52,084	—	Shares	Sole	2025-08-13
No filing history on record for this holder in this stock.