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Atmus Filtration Technologies Inc. hedge fund holdings

ATMUNYSE
$45.70+1.11 (+2.49% today)

Every quarter, large institutional investment managers with over $100M in U.S.-listed assets under management disclose their U.S. equity holdings through 13F filings. Read together, those filings show which businesses professional capital is moving into and out of.

Price vs funds buying and selling

ATMU · close · 13FReported Aug 14, 2026

Price vs funds buying and selling data

Showing the 1Y range: Oct 2, 2025 to Oct 2, 2026. Price (+3.3%). 0 fund reports plotted in this window as 0 markers; nearby trades of the same kind are grouped.

Transactions plotted on the price chart
DateCategoryPersonRoleActionAmountChange in holding
Funds buying · new + increased
Funds selling · reduced + closed
Net buyers vs sellers
Buying = new + increased; selling = reduced + closed. Counts exclude position changes under 5% of the fund's holding last quarter.

Price and fund activity data

Quarterly 13F fund buying and selling activity
QuarterFunds buyingFunds sellingBoughtSoldFilersReported
Q2 20259695$313M$274M259Aug 14, 2025
Q3 202596108$419M$467M270Nov 14, 2025
Q4 202511895$478M$442M292Feb 14, 2026
Q1 202615198$494M$452M334May 15, 2026
Q2 2026134139$836M$658M311Aug 14, 2026

Quarterly action breakdown

Q2 2026
311 filers
New position
42
$34.9M+684K sh
Increased
92
$802M+15.7M sh
Reduced
79
-$391M-7.66M sh
Out / sold
60
-$268M-5.25M sh
Last 4 quarters · free
Reported Aug 14, 2026
FundActionChange in dollarValue% of portfolioReported
Eminence Capital, LPSell 100%-$72.8M$0Not reportedJul 6, 2026
Parsifal Capital Management, LPSell 100%-$44.8M$00.00%Aug 13, 2026
First Trust Advisors LPReduce 27.96%-$31.4M$80.9M0.05%Aug 11, 2026
Frontier Capital Management Co LLCAdded 56.01%+$21.2M$59M0.55%Aug 14, 2026
Massachusetts Financial Services CoReduce 50.73%-$21.2M$20.6M0.01%Aug 3, 2026
Channing Capital Management, LLCAdded 24.53%+$17.3M$88M2.03%Jul 29, 2026
Public Sector Pension Investment BoardNew Buy+$16.7M$16.7M0.04%Aug 13, 2026
Kennedy Capital Management LLCReduce 86.37%-$12.1M$1.91M0.03%Aug 14, 2026
T. Rowe Price Investment Management, Inc.Added 12.90%+$10.4M$91M0.06%Aug 14, 2026
Healthcare of Ontario Pension Plan Trust FundReduce 42.23%-$9.79M$13.4M0.02%Aug 13, 2026
Voloridge Investment Management, LLCSell 100%-$9.51M$00.00%Aug 14, 2026
Westwood Holdings Group IncAdded 12.75%+$8.06M$71.2M0.54%Aug 14, 2026
Aberdeen Group plcAdded 39.95%+$7.59M$26.6M0.04%Jul 31, 2026
Castleark Management LLCSell 100%-$6.78M$00.00%Aug 14, 2026
Bar Harbor Wealth ManagementSell 100%-$6.56M$00.00%Jul 15, 2026
Port Capital LLCAdded 13.82%+$6.41M$52.7M2.15%Aug 14, 2026
Axiom Investors LLCReduce 60.64%-$6.3M$4.09M0.04%Aug 12, 2026
Jefferies Financial Group Inc.Sell 100%-$5.7M$00.00%Aug 17, 2026
Nomura Asset Management International Inc.Added 39.33%+$5.7M$20.2M0.03%Aug 14, 2026
OP Asset Management LtdReduce 90.32%-$5.63M$604K0.01%Jul 28, 2026
Medina Value Partners, LLCAdded 40.87%+$4.72M$16.3M3.19%Aug 14, 2026
Susquehanna Fundamental Investments, LLCAdded 839.56%+$3.88M$4.35M0.08%Aug 14, 2026
Canada Pension Plan Investment BoardReduce 82.63%-$3.11M$653K0.00%Aug 14, 2026
Wellington Management Group LLPAdded 4.28%+$3.03M$73.7M0.01%Aug 14, 2026
Zacks Investment ManagementSell 100%-$2.95M$00.00%Aug 13, 2026
Emerald Investment Advisers, LLCAdded 737.60%+$2.83M$3.21M0.21%Aug 12, 2026
PDT Partners, LLCSell 100%-$2.59M$00.00%Aug 14, 2026
CWA Asset Management Group, LLCSell 100%-$2.5M$00.00%Jul 14, 2026
Fieldview Capital Management, LLCSell 100%-$2.48M$00.00%Aug 14, 2026
Renaissance Capital LLCSell 100%-$2.47M$00.00%Aug 5, 2026
Thrivent Financial for LutheransAdded 56.46%+$2.18M$6.05M0.01%Aug 14, 2026
Vest Financial, LLCReduce 29.14%-$2.17M$5.27M0.06%Jul 24, 2026
Illinois Municipal Retirement FundNew Buy+$2.16M$2.16M0.02%Aug 12, 2026
Convergence Investment Partners, LLCSell 100%-$2.14M$00.00%Jul 31, 2026
Livforsakringsbolaget Skandia, OmsesidigtReduce 40.48%-$2.14M$3.14M0.10%Aug 18, 2026
Boston Trust Walden CorpReduce 5.44%-$2.08M$36.2M0.28%Jul 24, 2026
Turas Capital Management LPSell 100%-$2.04M$00.00%Aug 14, 2026
Hotchkis & Wiley Capital Management LLCAdded 25.17%+$2.03M$10.1M0.03%Aug 14, 2026
Voleon Capital Management LPReduce 62.31%-$1.96M$1.18M0.02%Aug 14, 2026
Silvercrest Asset Management Group LLCReduce 5.13%-$1.94M$35.8M0.23%Aug 14, 2026
Susquehanna Portfolio Strategies, LLCReduce 31.06%-$1.82M$4.03M0.06%Aug 14, 2026
Jackson Creek Investment Advisors LLCSell 100%-$1.67M$00.00%Aug 10, 2026
Freestone Grove Partners LPNew Buy+$1.66M$1.66M0.01%Aug 14, 2026
Fox Run Management, L.L.C.Sell 100%-$1.59M$00.00%Aug 4, 2026
DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am MainSell 100%-$1.51M$00.00%Aug 14, 2026
Gallo Partners, LPSell 100%-$1.41M$00.00%Aug 13, 2026
State of Alaska, Department of RevenueAdded 551.83%+$1.37M$1.62M0.02%Jul 20, 2026
Graham Capital Management, L.P.Sell 100%-$1.3M$00.00%Aug 14, 2026
Yousif Capital Management, LLCNew Buy+$1.12M$1.12M0.01%Jul 16, 2026
EFG International AGAdded 40.72%+$1.07M$3.69M0.07%Aug 14, 2026
William Blair Investment Management, LLCReduce 4.91%-$1.07M$20.7M0.06%Aug 12, 2026
Teachers Retirement System of the State of KentuckyAdded 54.39%+$1.02M$2.89M0.02%Aug 12, 2026
Moody Aldrich Partners LLCReduce 21.42%-$1.01M$3.69M0.66%Jul 15, 2026
Oregon Public Employees Retirement FundNew Buy+$948K$948K0.01%Jul 29, 2026
Jain Global LLCAdded 37.79%+$844K$3.08M0.01%Aug 14, 2026
Vestcor IncAdded 230.48%+$799K$1.15M0.03%Aug 11, 2026
IFG Advisory, LLCNew Buy+$731K$731K0.03%Aug 14, 2026
nVerses Capital, LLCSell 100%-$716K$00.00%Aug 4, 2026
Prentiss Smith & Co IncAdded 12.96%+$705K$6.14M3.37%Jul 30, 2026
Integrated Quantitative Investments LLCAdded 45.67%+$681K$2.17M0.36%Aug 14, 2026
Diversified Trust CoSell 100%-$656K$00.00%Jul 17, 2026
Maryland State Retirement & Pension SystemNew Buy+$610K$610K0.01%Jul 30, 2026
Summit Global InvestmentsNew Buy+$606K$606K0.03%Aug 3, 2026
Allstate CorpNew Buy+$518K$518K0.01%Aug 13, 2026
Advyzon Investment Management, LLCSell 100%-$497K$00.00%Aug 14, 2026
Stirlingshire Investments, Inc.Sell 100%-$477K$00.00%Jul 31, 2026
Riverwater Partners LLCReduce 17.38%-$471K$2.24M0.66%Aug 14, 2026
Catalyst Funds Management Pty LtdSell 100%-$469K$00.00%Aug 10, 2026
Axq Capital, LPSell 100%-$387K$00.00%Aug 6, 2026
Empowered Funds, LLCSell 100%-$365K$00.00%Aug 17, 2026
State of New Jersey Common Pension Fund DReduce 17.35%-$348K$1.66M0.01%Aug 4, 2026
IMC-Chicago, LLCNew Buy+$300K$300K0.00%Aug 6, 2026
Handelsbanken Fonder ABReduce 15.14%-$296K$1.66M0.00%Jul 10, 2026
Round Rock Advisors LLCReduce 45.59%-$290K$346K0.04%Aug 12, 2026
VANGUARD ASSET MANAGEMENT, LtdAdded 9.59%+$274K$3.13M0.00%Aug 13, 2026
Aureus Asset Management, LLCSell 100%-$251K$00.00%Aug 14, 2026
Blueshift Asset Management, LLCNew Buy+$244K$244K0.06%Aug 14, 2026
Anchyra Partners LLCSell 100%-$242K$00.00%Jul 23, 2026
HITE Hedge Asset Management LLCAdded 25.39%+$237K$1.17M0.06%Aug 14, 2026
Profund Advisors LLCNew Buy+$224K$224K0.01%Aug 11, 2026
Clifford Swan Investment Counsel LLCSell 100%-$218K$00.00%Aug 20, 2026
Donaldson Capital Management, LLCNew Buy+$215K$215K0.01%Aug 5, 2026
Quotient Wealth Partners, LLCSell 100%-$215K$00.00%Aug 3, 2026
CIBC Asset Management IncNew Buy+$210K$210K0.00%Aug 3, 2026
Tema ETFs LLCAdded 3.88%+$202K$5.4M0.17%Jul 10, 2026
MQS Management LLCSell 100%-$202K$00.00%Aug 7, 2026
Loomis Sayles & Co L PReduce 1.29%-$193K$14.7M0.02%Aug 14, 2026
Tidal Investments LLCAdded 2.59%+$159K$6.31M0.01%Aug 13, 2026
Vanguard Investments Australia, Ltd.Added 13.14%+$130K$1.12M0.00%Aug 13, 2026
Sit Investment Associates IncNew Buy+$125K$125K0.00%Aug 12, 2026
KLP Kapitalforvaltning AsAdded 11.76%+$122K$1.16M0.00%Aug 12, 2026
Bayforest Capital LtdSell 100%-$119K$00.00%Aug 5, 2026
Bessemer Group IncReduce 59.79%-$113K$76K0.00%Aug 12, 2026
New Age Alpha Advisors, LLCNew Buy+$106K$106K0.00%Aug 13, 2026
Marathon Partners Equity Management, LLCAdded 2.67%+$102K$3.93M3.66%Aug 14, 2026
Quantinno Capital Management LPAdded 13.75%+$99.1K$819K0.00%Aug 13, 2026
Xponance LLCAdded 22.64%+$98.4K$533K0.00%Aug 10, 2026
Okabena Investment Services IncReduce 15.67%-$82.6K$445K0.08%Aug 4, 2026
Inspire Advisors, LLCAdded 37.53%+$82.3K$302K0.02%Aug 13, 2026
Oppenheimer Asset Management Inc.Reduce 20.03%-$81.7K$326K0.00%Aug 3, 2026

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