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Atmus Filtration Technologies Inc.

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

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.

13F holders, Q1 2026

Institutional positions in Atmus Filtration Technologies Inc. as of Mar 31, 2026. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works

Institutional holders
351
+46 vs. Q4 2025
Shares held
83.6M
+8.13M (+10.8%) vs. Q4 2025
Total value
$4.75B
+$829.5M (+21.2%) vs. Q4 2025
New holders
72
126 more added
Sold out
26
103 more reduced

7 institutions that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q4 2025: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting ATMU on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.

Institutional holdersQ1 2026: 351 institutions
Q1 2021: 0 institutionsQ2 2021: 0 institutionsQ3 2021: 0 institutionsQ4 2021: 0 institutionsQ1 2022: 0 institutionsQ2 2022: 0 institutionsQ3 2022: 0 institutionsQ4 2022: 0 institutionsQ1 2023: 0 institutionsQ2 2023: 67 institutionsQ3 2023: 82 institutionsQ4 2023: 93 institutionsQ1 2024: 230 institutionsQ2 2024: 237 institutionsQ3 2024: 281 institutionsQ4 2024: 287 institutionsQ1 2025: 277 institutionsQ2 2025: 278 institutionsQ3 2025: 291 institutionsQ4 2025: 312 institutionsQ1 2026: 351 institutionsQ2 2026: 335 institutions
Value heldQ1 2026: $4.75B
Q1 2021: $0Q2 2021: $0Q3 2021: $0Q4 2021: $0Q1 2022: $0Q2 2022: $0Q3 2022: $0Q4 2022: $0Q1 2023: $0Q2 2023: $386.1MQ3 2023: $472.4MQ4 2023: $640.4MQ1 2024: $2.82BQ2 2024: $2.53BQ3 2024: $3.15BQ4 2024: $3.28BQ1 2025: $3.06BQ2 2025: $3.04BQ3 2025: $3.73BQ4 2025: $4.34BQ1 2026: $4.75BQ2 2026: $4.47B
Institutions holding ATMU and their total value by quarter
QuarterHoldersValue
Q2 2026335$4.47B
Q1 2026351$4.75B
Q4 2025312$4.34B
Q3 2025291$3.73B
Q2 2025278$3.04B
Q1 2025277$3.06B
Q4 2024287$3.28B
Q3 2024281$3.15B
Q2 2024237$2.53B
Q1 2024230$2.82B
Q4 202393$640.4M
Q3 202382$472.4M
Q2 202367$386.1M
Q1 20230$0
Q4 20220$0
Q3 20220$0
Q2 20220$0
Q1 20220$0
Q4 20210$0
Q3 20210$0
Q2 20210$0
Q1 20210$0

Institutions, Q1 2026

Shares, value and share of portfolio for each institution holding Atmus Filtration Technologies Inc.; share changes are against Q4 2025.

Institutions holding ATMU in Q1 2026
InstitutionSharesValue% of portfolioChange in sharesAction
Anchyra Partners LLC4,256$241.6K0.07%+264+6.6%Added
CI Private Wealth, LLC4,266$242.1K0.00%−84−1.9%Reduced
Inspire Advisors, LLC4,300$244.1K0.02%+4,300New
Connor, Clark & Lunn Investment Management Ltd.4,361$247.6K0.00%+4,361New
Cetera Investment Advisers4,393$249.4K0.00%+142+3.3%Added
Aureus Asset Management, LLC4,422$251.0K0.02%+4,422New
Brinker Capital Investments, LLC4,492$255.0K0.00%+73+1.7%Added
Concurrent Investment Advisors, LLC4,497$255.3K0.00%+410+10.0%Added
Merit Financial Group, LLC4,616$262.1K0.00%+302+7.0%Added
State Board of Administration of Florida Retirement System4,690$266.3K0.00%00.0%Unchanged
Abel Hall, LLC4,805$272.8K0.06%+696+16.9%Added
Mercer Global Advisors Inc4,843$275.0K0.00%+4,843New
State of Alaska, Department of Revenue4,874$276.0K0.00%00.0%Unchanged
JustInvest LLC4,885$277.3K0.00%+4,885New
HighTower Advisors, LLC4,912$278.9K0.00%−991−16.8%Reduced
CIBC Bancorp USA Inc.5,125$290.9K0.00%+5,125New
CWM, LLC5,283$299.9K0.00%+334+6.7%Added
US Bancorp5,307$301.3K0.00%−843−13.7%Reduced
Prospera Financial Services Inc5,491$311.7K0.01%−274−4.8%Reduced
Los Angeles Capital Management LLC5,725$325.0K0.00%+5,395+1,634.8%Added
Winton Group Ltd5,993$340.2K0.01%+5,993New
Mariner, LLC6,072$344.5K0.00%−2,003−24.8%Reduced
Cornerstone Wealth Management, LLC6,145$348.8K0.02%−292−4.5%Reduced
Hillsdale Investment Management Inc.6,160$349.7K0.01%+6,000+3,750.0%Added
Cornerstone Investment Partners, LLC6,288$357.0K0.01%+1,443+29.8%Added
Storebrand Asset Management AS6,307$358.0K0.00%00.0%Unchanged
Tower Research Capital LLC (TRC)6,324$359.0K0.01%+584+10.2%Added
Public Employees Retirement Association of Colorado6,407$364.0K0.00%00.0%Unchanged
Empowered Funds, LLC6,423$364.6K0.00%+6,423New
Mackenzie Financial Corp6,479$367.8K0.00%−5,175−44.4%Reduced
Stifel Financial Corp6,573$373.1K0.00%+6,573New
Ameritas Investment Partners, Inc.6,782$385.0K0.01%00.0%Unchanged
Vestcor Inc6,801$386.0K0.01%+6,801New
Axq Capital, LP6,825$387.5K0.05%+2,093+44.2%Added
Mount Yale Investment Advisors, LLC6,880$390.6K0.01%+6,880New
Prelude Capital Management, LLC7,062$400.9K0.03%+561+8.6%Added
Jag Capital Management, LLC7,187$408.0K0.05%+1,557+27.7%Added
Burney Co7,440$422.4K0.01%−4,095−35.5%Reduced
Emerald Investment Advisers, LLC7,521$427.0K0.04%+7,521New
Empirical Financial Services, LLC d.b.a. Empirical Wealth Management7,678$435.9K0.01%+1,227+19.0%Added
New York State Teachers Retirement System7,699$437.0K0.00%+7,699New
Oppenheimer Asset Management Inc.7,998$454.0K0.01%−4,702−37.0%Reduced
Swiss Life Asset Management Ltd8,075$458.4K0.00%+676+9.1%Added
Captrust Financial Advisors8,251$468.4K0.00%−122−1.5%Reduced
Catalyst Funds Management Pty Ltd8,254$468.6K0.08%+8,254New
Stirlingshire Investments, Inc.8,396$476.7K0.42%+3,035+56.6%Added
Xponance, Inc.8,525$484.0K0.00%+1,461+20.7%Added
Centiva Capital, LP8,579$487.0K0.02%+8,579New
Wealth Enhancement Advisory Services, LLC8,539$492.0K0.00%+2,159+33.8%Added
Alps Advisors Inc8,758$497.2K0.00%−1,181−11.9%Reduced
Advyzon Investment Management, LLC8,760$497.3K0.04%+3,743+74.6%Added
Jones Financial Companies LLLP8,825$512.5K0.00%+8,371+1,843.8%Added
Susquehanna Fundamental Investments, LLC9,070$514.9K0.02%+9,070New
Tocqueville Asset Management L.P.9,501$539.4K0.01%00.0%Unchanged
Okabena Investment Services Inc10,339$586.9K0.11%−289−2.7%Reduced
Legato Capital Management LLC10,483$595.1K0.05%+2,030+24.0%Added
Pathstone Holdings, LLC10,755$610.6K0.00%+1,571+17.1%Added
Skopos Labs, Inc.11,194$635.5K0.02%+2,730+32.3%Added
STRS Ohio11,400$647.2K0.00%+6,400+128.0%Added
Diversified Trust Co11,549$655.6K0.01%+5,748+99.1%Added
O'Shaughnessy Asset Management, LLC11,775$668.5K0.00%+360+3.2%Added
Federation des caisses Desjardins du Quebec11,857$673.1K0.00%−5,473−31.6%Reduced
ProShare Advisors LLC11,940$677.8K0.00%−3,330−21.8%Reduced
Round Rock Advisors, LLC12,478$708.4K0.11%−1,004−7.4%Reduced
Weiss Asset Management LP12,506$710.0K0.01%+12,506New
Pictet Asset Management Holding SA12,548$712.4K0.00%−858−6.4%Reduced
nVerses Capital, LLC12,615$716.2K0.65%+12,615New
Chesapeake Capital Corp12,726$722.5K0.52%00.0%Unchanged
LPL Financial LLC13,243$751.8K0.00%−1,622−10.9%Reduced
Quantinno Capital Management LP14,127$802.0K0.00%+5,811+69.9%Added
DekaBank Deutsche Girozentrale14,256$808.0K0.00%00.0%Unchanged
Jump Financial, LLC14,809$840.7K0.01%−59,418−80.0%Reduced
Vident Advisory, LLC15,524$881.3K0.01%+15,524New
XTX Topco Ltd15,848$899.7K0.02%+898+6.0%Added
Atom Investors LP16,254$922.7K0.07%+16,254New
State of Wyoming16,354$928.4K0.11%−7,136−30.4%Reduced
Y-Intercept (Hong Kong) Ltd16,578$941.1K0.02%−29,760−64.2%Reduced
Glenmede Trust Co NA17,259$979.8K0.00%+724+4.4%Added
Anchor Capital Advisors LLC18,025$1.02M0.03%−69−0.4%Reduced
Mirabella Financial Services LLP18,125$1.03M0.10%+12,086+200.1%Added
HITE Hedge Asset Management LLC18,313$1.04M0.06%+18,313New
SG Americas Securities, LLC18,359$1.04M0.00%−25,998−58.6%Reduced
Renaissance Technologies LLC18,700$1.06M0.00%−28,700−60.5%Reduced
Capstone Investment Advisors, LLC19,142$1.09M0.01%+1,537+8.7%Added
Vanguard Investments Australia, Ltd.19,335$1.10M0.00%+19,335New
KLP Kapitalforvaltning AS20,400$1.16M0.00%+500+2.5%Added
United Capital Financial Advisers, LLC20,402$1.16M0.01%−731−3.5%Reduced
Police & Firemen's Retirement System of New Jersey22,183$1.26M0.01%+56+0.3%Added
Cerity Partners LLC22,315$1.27M0.00%+1,345+6.4%Added
Arizona State Retirement System22,392$1.27M0.01%−576−2.5%Reduced
Graham Capital Management, L.P.22,968$1.30M0.04%+22,968New
Gallo Partners, LP24,846$1.41M2.70%+24,846New
Intech Investment Management LLC25,175$1.43M0.01%−15,809−38.6%Reduced
Creative Planning26,356$1.50M0.00%+10,482+66.0%Added
Charter Oak Advisors LP26,464$1.50M0.91%−40,000−60.2%Reduced
DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main26,645$1.51M0.00%+5,645+26.9%Added
Universal- Beteiligungs- und Servicegesellschaft mbH27,213$1.54M0.00%−40,080−59.6%Reduced
Fox Run Management, L.L.C.28,935$1.59M0.28%+28,935New
Quadrature Capital Ltd28,426$1.61M0.02%+28,426New
HRT Financial LP28,913$1.64M0.00%−77,060−72.7%Reduced