ATMUS FILTRATION TECHNOLOGIE (ATMU) Institutional Ownership Changes & 13F Activity

ATMUS FILTRATION TECHNOLOGIE (ATMU). Institutional ownership data tracks hedge funds, asset managers, and other institutional investors based on recent SEC Form 13F filings (Q2 2026). This page analyzes institutional buying and selling activity, new holdings, and sold-out positions in the latest reporting period. Notable filers include Invesco Ltd., D. E. Shaw & Co., Inc., Jane Street Group, Llc, Frontier Capital Management Co Llc, and Bank Of America Corp.

InstitutionTypeChange in sharesChange Position %SharesReported stock balancePortfolio quarterFiling date
Manufacturers Life Insurance Company, TheBuy+9,034+1.2%767,841$39.15MQ2 2026Sep 09, 2026
Parkside Financial Bank & TrustBuy+1,009+252.3%1,409$71.85KQ2 2026Sep 04, 2026
Anchor Capital Advisors LlcSell-109-0.6%17,916$913.54KQ2 2026Sep 03, 2026
Citadel Advisors LlcSell-143,017-62.1%87,448$4.46MQ2 2026Sep 02, 2026
California State Teachers Retirement SystemSell-2,766-2.8%94,700$4.83MQ2 2026Aug 24, 2026
Mercer Global Advisors IncSell-900-18.6%3,943$201.08KQ2 2026Aug 19, 2026
Livforsakringsbolaget Skandia, OmsesidigtSell-41,900-40.5%61,600$3.14MQ2 2026Aug 18, 2026
Public Employees Retirement System Of OhioBuy+11,794+24.5%59,984$3.06MQ2 2026Aug 17, 2026
United Capital Financial Advisors, LlcSell-60-0.3%20,342$1.04MQ2 2026Aug 17, 2026
Invesco Ltd.Buy+4,457,5504,457,550$227.29MQ2 2026Aug 14, 2026
D. E. Shaw & Co., Inc.Sell-1,138,723-70.3%482,029$24.58MQ2 2026Aug 14, 2026
Jane Street Group, LlcSell-416,276-97.6%10,346$527.54KQ2 2026Aug 14, 2026
Frontier Capital Management Co LlcBuy+415,709+56.0%1,157,930$59.04MQ2 2026Aug 14, 2026
Bank Of America CorpSell-408,872-45.8%484,705$24.72MQ2 2026Aug 14, 2026
Ameriprise Financial IncBuy+401,126401,126$20.45MQ2 2026Aug 14, 2026
Goldman Sachs Group IncSell-387,165-11.8%2,903,771$148.06MQ2 2026Aug 14, 2026
Susquehanna International Group, LlpSell-305,547-90.1%33,536$1.71MQ2 2026Aug 14, 2026
Barclays PlcSell-294,821-95.5%13,904$708.97KQ2 2026Aug 14, 2026
Woodline Partners LpBuy+251,535+70.7%607,471$30.97MQ2 2026Aug 14, 2026
Kennedy Capital Management LlcSell-237,716-86.4%37,515$1.91MQ2 2026Aug 14, 2026
Royce & Associates LpBuy+217,512+28.0%995,247$50.75MQ2 2026Aug 14, 2026
T. Rowe Price Investment Management, Inc.Buy+203,942+12.9%1,784,618$91.00MQ2 2026Aug 14, 2026
Westwood Holdings Group IncBuy+157,979+12.7%1,397,165$71.24MQ2 2026Aug 14, 2026
Port Capital LlcBuy+125,613+13.8%1,034,293$52.74MQ2 2026Aug 14, 2026
Legal & General Group PlcBuy+115,644+163.6%186,323$9.50MQ2 2026Aug 14, 2026
Nomura Asset Management International Inc.Buy+111,784+39.3%395,982$20.19MQ2 2026Aug 14, 2026
Mangrove Partners Im, LlcSell-103,991-7.9%1,211,236$61.76MQ2 2026Aug 14, 2026
Price T Rowe Associates IncSell-98,434-2.2%4,388,256$223.76MQ2 2026Aug 14, 2026
Medina Value Partners, LlcBuy+92,547+40.9%318,986$16.27MQ2 2026Aug 14, 2026
Sei Investments CoSell-83,816-51.1%80,334$4.10MQ2 2026Aug 14, 2026
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Frequently asked questions about ATMU activity

  • Which institutional owners are buying ATMU?

    Institutional owners buying ATMU include investors who have either initiated new positions or increased their existing holdings based on recent SEC 13F filings. The activity table above highlights which funds added shares in the latest reporting periods and how their positions changed over time.

  • What does "buy" mean in ATMU activity?

    "Buy" means an investor increased their reported position in ATMU compared to the prior reporting period. This reflects growing exposure to ATMUS FILTRATION TECHNOLOGIE (ATMU) rather than necessarily a brand-new position (though new positions also appear as buys when prior quantity was zero).

  • Is institutional interest in ATMU increasing?

    Institutional interest in ATMU can be assessed by comparing the number of tracked funds adding or increasing positions versus those trimming or exiting across the periods shown. A higher number of additions typically signals increasing participation among large filers, but it should be read alongside position sizes and the full table.