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Waters Corp

WAT
Exchange
NYSE
Industry
Laboratory Analytical Instruments
SEC CIK
0001000697

In the last 90 days, Waters Corp insiders filed 0 open-market purchases and 1 sale; 1,185 institutions reported holding it in 13F filings for Q2 2026, worth $37.3B in total; 3 superinvestors hold it, including Fundsmith and Viking Global Investors.

13F holders, Q1 2026

Institutional positions in Waters Corp as of Mar 31, 2026. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works

Institutional holders
1,178
+384 vs. Q4 2025
Shares held
94.9M
+45.5M (+92.2%) vs. Q4 2025
Total value
$29.1B
+$10.4B (+55.2%) vs. Q4 2025
New holders
466
576 more added
Sold out
82
108 more reduced

14 institutions that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q4 2025: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting WAT on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.

Institutional holdersQ1 2026: 1,178 institutions
Q1 2021: 600 institutionsQ2 2021: 634 institutionsQ3 2021: 658 institutionsQ4 2021: 667 institutionsQ1 2022: 661 institutionsQ2 2022: 654 institutionsQ3 2022: 644 institutionsQ4 2022: 654 institutionsQ1 2023: 678 institutionsQ2 2023: 647 institutionsQ3 2023: 651 institutionsQ4 2023: 674 institutionsQ1 2024: 689 institutionsQ2 2024: 695 institutionsQ3 2024: 697 institutionsQ4 2024: 761 institutionsQ1 2025: 765 institutionsQ2 2025: 771 institutionsQ3 2025: 755 institutionsQ4 2025: 808 institutionsQ1 2026: 1,178 institutionsQ2 2026: 1,185 institutions
Value heldQ1 2026: $29.1B
Q1 2021: $15.5BQ2 2021: $18.9BQ3 2021: $19.5BQ4 2021: $20.4BQ1 2022: $16.9BQ2 2022: $17.7BQ3 2022: $14.5BQ4 2022: $18.2BQ1 2023: $16.8BQ2 2023: $15.0BQ3 2023: $15.7BQ4 2023: $19.4BQ1 2024: $20.1BQ2 2024: $16.5BQ3 2024: $20.3BQ4 2024: $21.2BQ1 2025: $21.2BQ2 2025: $20.4BQ3 2025: $17.2BQ4 2025: $21.9BQ1 2026: $29.1BQ2 2026: $37.3B
Institutions holding WAT and their total value by quarter
QuarterHoldersValue
Q2 20261,185$37.3B
Q1 20261,178$29.1B
Q4 2025808$21.9B
Q3 2025755$17.2B
Q2 2025771$20.4B
Q1 2025765$21.2B
Q4 2024761$21.2B
Q3 2024697$20.3B
Q2 2024695$16.5B
Q1 2024689$20.1B
Q4 2023674$19.4B
Q3 2023651$15.7B
Q2 2023647$15.0B
Q1 2023678$16.8B
Q4 2022654$18.2B
Q3 2022644$14.5B
Q2 2022654$17.7B
Q1 2022661$16.9B
Q4 2021667$20.4B
Q3 2021658$19.5B
Q2 2021634$18.9B
Q1 2021600$15.5B

Institutions, Q1 2026

Shares, value and share of portfolio for each institution holding Waters Corp; share changes are against Q4 2025.

Institutions holding WAT in Q1 2026
InstitutionSharesValue% of portfolioChange in sharesAction
Diversified Trust Co3,138$934.5K0.02%+341+12.2%Added
Rathbone Brothers plc3,150$938.1K0.00%+3,150New
Ramsay, Stattman, Vela & Price, Inc.3,162$941.6K0.19%+3,162New
Park National Corp3,187$949.1K0.03%+3,187New
Suvretta Capital Management, LLC3,225$960.4K0.03%+75+2.4%Added
Tiaa-Cref Individual & Institutional Services, LLC3,233$962.8K0.00%+3,233New
Warren Averett Asset Management, LLC3,244$966.1K0.01%+832+34.5%Added
Hamilton Capital Partners Inc.3,250$967.9K0.03%+3,250New
Vident Advisory, LLC3,256$969.6K0.01%+1,859+133.1%Added
Empirical Finance, LLC3,351$998.1K0.05%+1,314+64.5%Added
Gluskin Sheff & Assoc Inc3,388$1.01M0.17%+3,388New
Folger Nolan Fleming Douglas Capital Management, Inc3,452$1.03M0.09%+3,452New
CIBC World Markets Inc.3,511$1.05M0.00%−3,419−49.3%Reduced
Ally Financial Inc.3,518$1.05M0.13%+3,518New
Brown, Lisle/Cummings, Inc.3,523$1.05M0.26%+78+2.3%Added
Borer Denton & Associates, Inc.3,550$1.06M0.38%+3,550New
Burney Co3,555$1.06M0.03%−400−10.1%Reduced
First Nebraska Trust Co3,588$1.07M0.10%+3,588New
Washington Capital Management Inc3,600$1.07M0.91%+3,600New
Union Bancaire Privee, UBP SA4,237$1.07M0.02%−67−1.6%Reduced
Saudi Central Bank3,630$1.08M0.02%+3,630New
Azzad Asset Management Inc3,630$1.08M0.11%+1,514+71.6%Added
GWM Advisors LLC3,654$1.09M0.00%+3,619+10,340.0%Added
Atria Investments LLC3,705$1.10M0.01%+1,726+87.2%Added
Vinva Investment Management Ltd3,805$1.12M0.01%+3,805New
Illinois Municipal Retirement Fund3,780$1.13M0.01%+398+11.8%Added
Absher Wealth Management, LLC3,783$1.13M0.13%+1,291+51.8%Added
Oppenheimer & Co Inc3,820$1.14M0.01%+1,004+35.7%Added
Mather Group, LLC.3,847$1.15M0.01%+553+16.8%Added
Keybank National Association3,876$1.15M0.00%+2,056+113.0%Added
Armstrong Henry H Associates Inc3,952$1.18M0.12%−189−4.6%Reduced
Cambridge Investment Research Advisors, Inc.3,960$1.18M0.00%+2,737+223.8%Added
Abn Amro Investment Solutions4,000$1.19M0.02%+2,224+125.2%Added
Earnest Partners LLC4,000$1.19M0.00%+4,000New
FORA Capital, LLC4,023$1.20M0.09%+4,023New
Intech Investment Management LLC4,023$1.20M0.01%+1,090+37.2%Added
MUFG Securities EMEA plc4,034$1.20M0.02%+1,591+65.1%Added
Patriot Financial Group Insurance Agency, LLC4,044$1.20M0.07%+4,044New
Apollon Wealth Management, LLC4,065$1.21M0.02%+453+12.5%Added
Prime Capital Investment Advisors, LLC4,135$1.23M0.01%+4,135New
one8zero8, LLC4,166$1.24M0.28%−37−0.9%Reduced
HB Wealth Management, LLC4,198$1.25M0.01%+2,614+165.0%Added
Thrivent Financial for Lutherans4,201$1.25M0.00%+1,529+57.2%Added
Haverford Trust Co4,216$1.26M0.01%+4,216New
Cardinal Capital Management4,239$1.26M0.16%+4,239New
Tema ETFs LLC4,284$1.28M0.09%−471−9.9%Reduced
Ostrum Asset Management4,285$1.28M0.07%+3,826+833.6%Added
Tokio Marine Asset Management Co Ltd4,296$1.28M0.05%+2,032+89.8%Added
Sanctuary Advisors, LLC4,347$1.29M0.01%+3,249+295.9%Added
M. Kulyk & Associates, LLC4,373$1.30M0.24%+4,373New
E. Ohman J:or Asset Management AB4,385$1.31M0.03%+1,861+73.7%Added
Marks Group Wealth Management, Inc4,481$1.33M0.13%+3,428+325.5%Added
Eos Management, L.P.4,525$1.35M0.58%−3,502−43.6%Reduced
Laird Norton Trust Company, LLC4,561$1.36M0.03%+883+24.0%Added
Ci Investments Inc.4,575$1.36M0.01%+489+12.0%Added
Commerzbank Aktiengesellschaft4,595$1.37M0.03%−547−10.6%Reduced
New Mexico Educational Retirement Board4,635$1.38M0.04%+1,795+63.2%Added
Mondrian Investment Partners LTD4,731$1.41M0.02%+259+5.8%Added
Tower Bridge Advisors4,748$1.41M0.14%+4,748New
Raiffeisen Bank International AG4,855$1.42M0.02%+3,113+178.7%Added
Banque Cantonale Vaudoise4,839$1.44M0.05%+545+12.7%Added
Timber Creek Capital Management LLC4,853$1.45M0.35%+4,853New
MML Investors Services, LLC4,900$1.46M0.00%−7,769−61.3%Reduced
Hamrick Investment Counsel, llc4,904$1.46M0.81%+845+20.8%Added
North Star Asset Management Inc4,925$1.47M0.06%+35+0.7%Added
Vontobel Holding Ltd.4,926$1.47M0.01%+4,190+569.3%Added
Maryland State Retirement & Pension System4,943$1.47M0.03%+1,914+63.2%Added
New England Asset Management Inc4,956$1.48M0.19%+4,956New
Rockefeller Capital Management L.P.4,996$1.49M0.00%+2,245+81.6%Added
Louisiana State Employees Retirement System5,000$1.49M0.03%+2,000+66.7%Added
Hahn Capital Management LLC5,002$1.49M0.94%+5,002New
Hantz Financial Services, Inc.5,015$1.49M0.02%+4,855+3,034.4%Added
Third View Private Wealth, LLC5,045$1.50M0.21%+3,638+258.6%Added
Bradley Foster & Sargent Inc5,141$1.53M0.02%+770+17.6%Added
AG2R la Mondiale Gestion D'Actifs5,232$1.56M0.07%+1,624+45.0%Added
Summit Trail Advisors, LLC5,300$1.58M0.02%+2,408+83.3%Added
Federation des caisses Desjardins du Quebec5,336$1.59M0.01%+2,328+77.4%Added
Palisade Asset Management, LLC5,336$1.59M0.16%+5,336New
B. Metzler seel. Sohn & Co. AG5,501$1.64M0.02%+2,362+75.2%Added
Capital Analysts, LLC5,506$1.64M0.04%+5,506New
Main Management ETF Advisors, LLC5,516$1.64M0.06%+5,516New
MAI Capital Management5,557$1.65M0.01%+3,386+156.0%Added
Peapack Gladstone Financial Corp5,618$1.67M0.02%+5,618New
Foyston, Gordon, & Payne Inc5,621$1.67M0.39%+5,621New
Hartford Investment Management Co5,623$1.67M0.05%+2,175+63.1%Added
Silvercrest Asset Management Group LLC5,665$1.69M0.01%+5,665New
BI Asset Management Fondsmaeglerselskab A/S5,670$1.69M0.02%+2,559+82.3%Added
S-Bank Fund Management Ltd5,676$1.69M0.25%+4,421+352.3%Added
Norinchukin Bank, The5,677$1.69M0.02%+2,239+65.1%Added
Blue Sparrow, LLC5,766$1.72M0.03%+5,766New
Canada Pension Plan Investment Board5,767$1.72M0.00%+3,997+225.8%Added
United Capital Financial Advisers, LLC5,776$1.72M0.01%−639−10.0%Reduced
Parsons Capital Management Inc5,882$1.75M0.08%+555+10.4%Added
WSFS Capital Management, LLC5,914$1.76M0.09%+5,914New
Mizuho Securities USA LLC5,929$1.77M0.04%+1,594+36.8%Added
Avanza Fonder AB5,935$1.77M0.05%+1,624+37.7%Added
Generali Asset Management SPA SGR5,938$1.77M0.04%+5,938New
Formuepleje A/S5,964$1.78M0.16%+1,432+31.6%Added
Bessemer Group Inc6,002$1.79M0.00%+2,603+76.6%Added
Kanawha Capital Management LLC6,100$1.82M0.13%+6,100New