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
Q4 2024Renaissance Technologies LLCBuy156,200311,497$72,989,977
Q4 2024Mairs & Power Growth FundSell-11,370783,309$183,544,902
Q4 2024Cantillon Capital ManagementBuy6,2071,161,946$272,267,187
Q4 2024Sequoia Financial AdvisorsBuy1,0865,163$1,209,814
Q4 2024Jensen Investment ManagementSell-75069,614$16,311,952
Q3 2024Renaissance Technologies LLCSell-155,900155,297$39,651,983
Q3 2024Mairs & Power Growth FundSell-39,712794,679$202,905,450
Q3 2024Cantillon Capital ManagementSell-34,5011,155,739$295,094,839
Q3 2024Eagle Capital ManagementSell-1,77222,471$5,737,520
Q3 2024Sequoia Financial AdvisorsSell-1954,077$1,040,922
Q3 2024Jensen Investment ManagementSell-6270,364$17,966,040
Q2 2024Renaissance Technologies LLCSell-243,659311,197$74,064,886
Q2 2024Mairs & Power Growth FundSell-157,173834,391$198,584,909
Q2 2024Cantillon Capital ManagementSell-60,6801,190,240$283,277,120
Q2 2024Eagle Capital ManagementSell-35224,243$5,769,834
Q2 2024Sequoia Financial AdvisorsSell-2924,272$1,016,656
Q1 2024Renaissance Technologies LLCBuy305,059554,856$128,116
Q1 2024Mairs & Power Growth FundSell-234,966991,564$228,952,179
Q1 2024Sequoia Financial AdvisorsSell-110,4854,564$1,053,724
Q1 2024Cantillon Capital ManagementSell-25,4871,250,920$288,837,428
Q1 2024Jensen Investment ManagementSell-44570,426$16,261,363
Q1 2024Eagle Capital ManagementSell-13724,595$5,678,985
Q4 2023Cantillon Capital ManagementSell-536,1831,276,407$253,175,329
Q4 2023Mairs & Power Growth FundSell-175,3111,226,530$243,282,192
Q4 2023Renaissance Technologies LLCSell-100,300249,797$49,547
Q4 2023Sequoia Financial AdvisorsBuy14,011115,049$22,819,922
Q4 2023Jensen Investment ManagementSell-61570,871$14,057,263
Q3 2023Renaissance Technologies LLCBuy112,700350,097$59,306
Q3 2023Mairs & Power Growth FundSell-106,0931,401,841$237,471,896
Q3 2023Sequoia Financial AdvisorsBuy11,826101,038$17,115,931

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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