Atmus Filtration Technologies Inc.

ATMU

Exchange: NYSE
Industry: Motor Vehicle Parts & Accessories
SEC CIK: 0001921963

SEC filings (opens in a new tab)

In the last 90 days, Atmus Filtration Technologies Inc. insiders filed 1 open-market purchase and 1 sale; 335 institutions reported holding it in 13F filings for Q2 2026, worth $4.47B in total; no superinvestor holds it.

Q4 2025 vs. Q3 2025

How the institutions holding Atmus Filtration Technologies Inc. changed between Q3 2025 and Q4 2025.

All holders in Q4 2025 All holders in Q3 2025

13F holders of ATMU: Q3 2025 compared with Q4 2025
Measure	Q3 2025	Of which not filed for Q4 2025	Q4 2025	Change
Holders	291	3	312	+24
Shares	82.8M	22.7K	83.6M	+780.2K (+0.9%)
Value	$3.73B	$1.02M	$4.34B	+$606.4M (+16.2%)

3 institutions that held it in Q3 2025 haven't filed for Q4 2025 yet. Not filing isn't selling, so the changes leave them out.

New holders (56)

Institutions that held Atmus Filtration Technologies Inc. at the end of Q4 2025 but not at the end of Q3 2025.

Institutions new to ATMU in Q4 2025
Institution	Shares	Value	% of portfolio
Boston Trust Walden Corp	853,477	$44.3M	0.33%
Silvercrest Asset Management Group LLC	750,650	$39.0M	0.27%
Schonfeld Strategic Advisors LLC	366,118	$19.0M	0.10%
Axiom Investors LLC	224,745	$11.7M	0.10%
Charter Trust Co	112,669	$5.85M	0.34%
Healthcare of Ontario Pension Plan Trust Fund	53,323	$2.77M	0.00%
Norges Bank	53,214	$2.76M	0.00%
Magnetar Financial LLC	45,129	$2.34M	0.02%
Voleon Capital Management LP	35,474	$1.84M	0.04%
Acadian Asset Management LLC	35,513	$1.84M	0.00%
Knights of Columbus Asset Advisors LLC	25,217	$1.31M	0.07%
HSBC Holdings PLC	24,865	$1.29M	0.00%
Fieldview Capital Management, LLC	23,392	$1.21M	0.21%
ExodusPoint Capital Management, LP	22,100	$1.15M	0.01%
Glenmede Trust Co NA	16,535	$858.3K	0.00%
Integrated Quantitative Investments LLC	9,558	$496.2K	0.11%
Pathstone Holdings, LLC	9,184	$476.7K	0.00%
Skopos Labs, Inc.	8,464	$445.6K	0.02%
Legato Capital Management LLC	8,453	$438.8K	0.04%
Quantinno Capital Management LP	8,316	$431.7K	0.00%
Swiss Life Asset Management Ltd	7,399	$384.1K	0.00%
Walleye Capital LLC	6,068	$315.0K	0.00%
Mirabella Financial Services LLP	6,039	$313.5K	0.03%
Diversified Trust Co	5,801	$301.1K	0.01%
CIBC World Markets Corp	5,527	$286.9K	0.00%
Caxton Associates LLP	5,423	$281.5K	0.01%
Neuberger Berman Group LLC	5,399	$280.3K	0.00%
Stirlingshire Investments, Inc.	5,361	$278.3K	0.25%
Axq Capital, LP	4,732	$245.6K	0.06%
Merit Financial Group, LLC	4,314	$223.9K	0.00%
Cetera Investment Advisers	4,251	$220.7K	0.00%
Abel Hall, LLC	4,109	$213.3K	0.05%
Concurrent Investment Advisors, LLC	4,087	$212.1K	0.00%
Anchyra Partners LLC	3,992	$207.2K	0.06%
Quotient Wealth Partners, LLC	3,905	$202.7K	0.01%
Kestra Advisory Services, LLC	1,822	$94.6K	0.00%
Kemnay Advisory Services Inc.	996	$51.7K	0.01%
Essex Investment Management Co LLC	713	$37.0K	0.01%
Greykasell Wealth Strategies, Inc.	400	$20.8K	0.01%
Ares Financial Consulting, LLC	360	$18.7K	0.02%
Los Angeles Capital Management LLC	330	$15.4K	0.00%
Flagship Harbor Advisors, LLC	245	$12.7K	0.00%
Hillsdale Investment Management Inc.	160	$8.31K	0.00%
Quarry LP	157	$8.15K	0.00%
Eastern Bank	145	$7.53K	0.00%
Massmutual Trust Co FSB	120	$6.23K	0.00%
MAI Capital Management	75	$3.89K	0.00%
Thurston, Springer, Miller, Herd & Titak, Inc.	60	$3.11K	0.00%
CFG Wealth Management Services, Inc.	45	$2.34K	0.00%
Keating Financial Advisory Services, Inc.	30	$1.56K	0.00%
Triumph Capital Management	12	$623	0.00%
Bell Investment Advisors, Inc	11	$572	0.00%
Ronald Blue Trust, Inc.	9	$467	0.00%
DV Trading LLC	3	$156	0.00%
Dunhill Financial, LLC	1	$78	0.00%
SBI Securities Co., Ltd.	1	$52	0.00%

Sold out (32)

Institutions that held Atmus Filtration Technologies Inc. at the end of Q3 2025 and filed for Q4 2025 without it.

Institutions that sold out of ATMU in Q4 2025
Institution	Shares, Q3 2025	Value, Q3 2025
Boston Partners	586,400	$26.4M
Balyasny Asset Management LLC	310,826	$14.0M
Bayberry Capital Partners LP	282,500	$12.7M
Squarepoint Ops LLC	164,307	$7.41M
PEAK6 LLC	43,558	$1.96M
Hussman Strategic Advisors, Inc.	42,000	$1.89M
Tudor Investment Corp Et Al	28,343	$1.28M
Jacobs Levy Equity Management, Inc	26,444	$1.19M
Brevan Howard Capital Management LP	21,192	$955.5K
DRW Securities, LLC	20,758	$945.6K
Fox Run Management, L.L.C.	17,505	$789.3K
Simplex Trading, LLC	16,500	$743.0K
Elo Mutual Pension Insurance Co	16,265	$733.4K
Toroso Investments, LLC	14,241	$642.1K
Cynosure Management, LLC	11,200	$505.0K
Connor, Clark & Lunn Investment Management Ltd.	10,984	$495.3K
NorthRock Partners, LLC	9,447	$426.0K
Perbak Capital Partners LLP	9,194	$414.6K
Cannon Global Investment Management, LLC	8,000	$360.7K
Gsa Capital Partners LLP	5,458	$246.0K
Advisory Services Network, LLC	433	$19.5K
Principal Securities, Inc.	369	$16.6K
Clearstead Advisors, LLC	300	$13.5K
Aster Capital Management (DIFC) Ltd	264	$11.9K
Natixis	27	$1.22K
Ameritas Advisory Services, LLC	25	$1.13K
JPL Wealth Management, LLC	20	$902
Montag A & Associates Inc	18	$812
Bruce G. Allen Investments, LLC	14	$631
Wealthspire Advisors, LLC	12	$541
Cornerstone Planning Group LLC	6	$280
Cloud Capital Management, LLC	8	$0

Not filed for Q4 2025 yet (3)

Institutions that held Atmus Filtration Technologies Inc. at the end of Q3 2025 and haven't filed a 13F for Q4 2025. Not filing isn't selling, so they aren't counted as sold out.

Institutions holding ATMU in Q3 2025 that haven't filed for Q4 2025
Institution	Shares, Q3 2025	Value, Q3 2025
Glenmede Investment Management, LP	13,701	$617.8K
CIBC Bancorp USA Inc.	8,906	$401.6K
Hemington Wealth Management	55	$2.00K