ECOLAB INC (ECL) Stock Institutional Trading Activity


ECOLAB INC (ECL) position changes reported by tracked institutional filers across multiple SEC 13F reporting periods. Based on recent SEC 13F filings (Q4 2025), investors with some of the largest reported share count changes include Jensen Investment Management, Mairs & Power Growth Fund, Cullen Value Fund, Cantillon Capital Management, and Renaissance Technologies LLC. Explore insights into buying and selling patterns, position changes, and investment conviction levels to understand institutional trading behavior and market dynamics.

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Portfolio quarterNameTypeQuantityRemainingReported stock balance
Q1 2023Renaissance Technologies LLCBuy255,500406,697$67,321
Q1 2023Sequoia Financial AdvisorsBuy9,92573,343$12,140,461
Q1 2023Mairs & Power Growth FundSell-85,0551,693,219$280,278,574
Q1 2023Cantillon Capital ManagementSell-30,5601,711,176$283,250,963
Q4 2022Eagle Capital ManagementSell-5,13619,596$2,852,394
Q4 2022Jensen Investment ManagementSell-4073,740$10,733,594
Q4 2022Renaissance Technologies LLCSell-71,417151,197$22,008
Q4 2022Sequoia Financial AdvisorsBuy7,01563,418$9,231,155
Q4 2022Cantillon Capital ManagementSell-40,4241,741,736$253,527,092
Q4 2022Mairs & Power Growth FundSell-5,3941,778,274$258,845,616
Q4 2022Bill & Melinda Gates Foundation TrustBuy351,6175,218,044$759,538,485
Q3 2022Jensen Investment ManagementSell-39073,780$10,655
Q3 2022Sequoia Financial AdvisorsBuy3,74456,403$8,146
Q3 2022Cantillon Capital ManagementSell-15,0011,782,160$257,380
Q3 2022Mairs & Power Growth FundSell-16,8821,783,668$257,597
Q3 2022Bill & Melinda Gates Foundation TrustBuy500,0004,866,427$702,809
Q2 2022Jensen Investment ManagementSell-46774,170$11,404
Q2 2022Joho CapitalBuy1,7009,420$1,448
Q2 2022Sequoia Financial AdvisorsBuy50,76652,659$8,097
Q2 2022Renaissance Technologies LLCSell-682,383222,614$34,229
Q2 2022Cantillon Capital ManagementSell-5,4871,797,161$276,331
Q2 2022Mairs & Power Growth FundSell-6,5051,800,550$276,853
Q1 2022Jensen Investment ManagementSell-31574,637$13,178
Q1 2022Sequoia Financial AdvisorsBuy3541,893$334
Q1 2022Renaissance Technologies LLCBuy734,000904,997$159,786
Q1 2022Cantillon Capital ManagementBuy52,7511,802,648$318,276
Q1 2022Mairs & Power Growth FundSell-6,4051,807,055$319,054
Q4 2021Eagle Capital ManagementSell-74624,732$5,802
Q4 2021Jensen Investment ManagementSell-18574,952$17,583
Q4 2021Sequoia Financial AdvisorsSell-6031,539$361

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.