WATERS CORP (WAT) Institutional Ownership Changes & 13F Activity

WATERS CORP (WAT) 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 First Eagle U.S. Value, Fundsmith, Viking Global Investors, AKO Capital, and Fundsmith Investment Services.

Portfolio quarterNameTypeQuantityRemainingReported stock balance
Q4 2016Jensen Investment ManagementBuy243,6351,243,457$167,108
Q4 2016Renaissance Technologies LLCBuy175,100195,300$26,246
Q4 2016FundsmithBuy52,9973,083,357$414,711
Q4 2016Bares Capital ManagementBuy21,543594,096$79,841
Q3 2016FundsmithBuy589,0423,030,360$480,282
Q3 2016Jensen Investment ManagementSell-222,303999,822$158,462
Q3 2016Renaissance Technologies LLCSell-149,00020,200$3,201
Q3 2016Bares Capital ManagementBuy26,373572,553$90,744
Q2 2016FundsmithBuy973,7882,441,318$343,371
Q2 2016Jensen Investment ManagementSell-13,5501,222,125$171,892
Q1 2016FundsmithBuy314,3481,467,530$193,597
Q1 2016Renaissance Technologies LLCSell-127,496169,200$22,321
Q1 2016Jensen Investment ManagementSell-76,8801,235,675$163,010
Q1 2016Bares Capital ManagementBuy57,289546,180$72,052
Q4 2015FundsmithBuy355,0831,153,182$155,195
Q4 2015Bares Capital ManagementBuy141,806488,891$65,795
Q4 2015Jensen Investment ManagementBuy2,6601,312,555$176,644
Q4 2015Renaissance Technologies LLCBuy1,896296,696$39,929
Q3 2015FundsmithBuy487,363798,099$94,343
Q3 2015Bares Capital ManagementBuy231,009347,085$41,029
Q3 2015Renaissance Technologies LLCBuy180,115294,800$34,848
Q3 2015Jensen Investment ManagementBuy8,4451,309,895$154,843
Q2 2015Jensen Investment ManagementSell-355,7451,301,450$167,080
Q2 2015Renaissance Technologies LLCSell-300,415114,685$14,723
Q2 2015Bares Capital ManagementBuy116,076116,076$14,902
Q1 2015FundsmithSell-138,360310,736$38,631
Q1 2015Renaissance Technologies LLCSell-79,600415,100$51,605
Q1 2015Vulcan Value PartnersBuy16,904566,263$70,398
Q1 2015Jensen Investment ManagementBuy5,6101,657,195$206,022
Q4 2014Vulcan Value PartnersBuy549,359549,359$61,924

Frequently asked questions about WAT activity

  • Which institutional owners are buying WAT?

    Institutional owners buying WAT 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 WAT activity?

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

  • Is institutional interest in WAT increasing?

    Institutional interest in WAT 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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