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
Q4 2014Eagle Capital ManagementBuy32326,656$2,786
Q3 2014Jensen Investment ManagementSell-338,0392,079,181$238,752
Q3 2014Mairs & Power Growth FundBuy8,3612,253,374$258,755
Q3 2014Eagle Capital ManagementBuy71,8739,920,065$1,139,121
Q3 2014Sequoia Financial AdvisorsSell-1,4382,172$249
Q3 2014Renaissance Technologies LLCSell-336,700188,522$21,648
Q3 2014Cantillon Capital ManagementSell-29,0002,513,945$288,677
Q3 2014Eagle Capital ManagementSell-54626,333$3,024
Q2 2014Mairs & Power Growth FundBuy222,0792,245,013$249,960
Q2 2014Jensen Investment ManagementSell-82,9102,417,220$269,133
Q2 2014Eagle Capital ManagementBuy12,2629,848,192$1,096,498
Q2 2014Sequoia Financial AdvisorsBuy2603,610$402
Q2 2014Renaissance Technologies LLCBuy19,804525,222$58,478
Q2 2014Cantillon Capital ManagementBuy3,8282,542,945$283,132
Q2 2014Eagle Capital ManagementBuy58126,879$2,993
Q1 2014Mairs & Power Growth FundBuy4,2232,022,934$218,457
Q1 2014Jensen Investment ManagementBuy588,1652,500,130$269,989
Q1 2014Eagle Capital ManagementSell-362,9139,835,930$1,062,182
Q1 2014Sequoia Financial AdvisorsBuy3733,350$362
Q1 2014Renaissance Technologies LLCBuy240,496505,418$54,580
Q1 2014Cantillon Capital ManagementSell-15,2962,539,117$274,199
Q1 2014Eagle Capital ManagementBuy5,62826,298$2,840
Q4 2013Jensen Investment ManagementSell-22,3281,911,965$199,361
Q4 2013Mairs & Power Growth FundSell-4,4782,018,711$210,491
Q4 2013Eagle Capital ManagementBuy3,69710,198,843$1,063,433
Q4 2013Sequoia Financial AdvisorsBuy2,9772,977$310
Q4 2013Renaissance Technologies LLCBuy264,922264,922$27,623
Q4 2013Cantillon Capital ManagementSell-3,8782,554,413$266,349
Q4 2013Eagle Capital ManagementBuy20,67020,670$2,155
Q3 2013Jensen Investment ManagementBuy521,3951,934,293$191,031

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.