ECOLAB INC (ECL) Institutional Ownership Changes & 13F Activity

ECOLAB INC (ECL) institutional ownership data tracks hedge funds, asset managers, and other institutional investors based on recent SEC 13F filings (Q1 2026). This page analyzes institutional buying and selling activity, new holdings, and sold-out positions among tracked filers. Notable filers include Renaissance Technologies LLC, Mairs & Power Growth Fund, Sequoia Financial Advisors, Jensen Investment Management, and Cullen Value Fund.

Portfolio quarterNameTypeQuantityRemainingReported stock balance
Q2 2018Jensen Investment ManagementSell-232,5502,593,226$363,907
Q2 2018Cantillon Capital ManagementSell-72,5802,471,577$346,836
Q2 2018Eagle Capital ManagementBuy18022,287$3,128
Q1 2018Eagle Capital ManagementSell-948,3557,778,512$1,066,201
Q1 2018Jensen Investment ManagementBuy290,7912,825,776$387,329
Q1 2018Mairs & Power Growth FundSell-55,4852,726,038$373,658
Q1 2018Cantillon Capital ManagementSell-50,8432,544,157$348,727
Q1 2018Renaissance Technologies LLCBuy1,80072,522$9,941
Q1 2018Eagle Capital ManagementBuy25922,107$3,030
Q4 2017Renaissance Technologies LLCSell-403,10070,722$9,489
Q4 2017Cantillon Capital ManagementSell-177,9932,595,000$348,197
Q4 2017AKO CapitalBuy57,006205,311$27,549
Q4 2017Eagle Capital ManagementSell-23,7288,726,867$1,170,971
Q4 2017Jensen Investment ManagementBuy13,4052,534,985$340,144
Q4 2017Mairs & Power Growth FundSell-2,7222,781,523$373,225
Q4 2017Torray FundBuy1,5001,500$201
Q4 2017Eagle Capital ManagementSell-17421,848$2,932
Q3 2017AKO CapitalBuy148,305148,305$19,074
Q3 2017Cantillon Capital ManagementSell-85,9712,772,993$356,634
Q3 2017Eagle Capital ManagementBuy26,7848,750,595$1,125,414
Q3 2017Mairs & Power Growth FundBuy25,7352,784,245$358,082
Q3 2017Jensen Investment ManagementSell-18,8602,521,580$324,300
Q3 2017Wedgewood PartnersSell-3,1502,500$321
Q3 2017Eagle Capital ManagementSell-26222,022$2,832
Q2 2017Cantillon Capital ManagementSell-121,4302,858,964$379,528
Q2 2017Parnassus Endeavor FundBuy110,000410,000$54,428
Q2 2017Jensen Investment ManagementSell-68,9552,540,440$337,243
Q2 2017Eagle Capital ManagementSell-58,4048,723,811$1,158,086
Q2 2017Mairs & Power Growth FundBuy30,0552,758,510$366,192
Q2 2017Eagle Capital ManagementSell-38122,284$2,958

Frequently asked questions about ECL activity

  • Which institutional owners are buying ECL?

    Institutional owners buying ECL 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 ECL activity?

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

  • Is institutional interest in ECL increasing?

    Institutional interest in ECL 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.

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