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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
BlackRock, Inc.8,543,014$2.54B0.04%+3,110,859+57.3%Added
Massachusetts Financial Services Co4,630,118$2.06B0.69%+2,005,403+76.4%Added
Vanguard Capital Management LLC6,378,775$1.90B0.05%+6,378,775New
Vanguard Portfolio Management LLC4,754,185$1.42B0.07%+4,754,185New
T. Rowe Price Investment Management, Inc.4,663,879$1.39B0.96%+4,529,347+3,366.7%Added
State Street Corp4,362,010$1.30B0.04%+1,678,872+62.6%Added
Fundsmith LLPSuperinvestorFundsmith3,212,075$956.6M7.46%−345,903−9.7%Reduced
Alliancebernstein L.P.2,116,737$804.0M0.26%+49,839+2.4%Added
Geode Capital Management, LLC2,646,458$785.1M0.05%+1,053,070+66.1%Added
Invesco Ltd.2,168,285$645.7M0.06%+1,001,069+85.8%Added
JPMorgan Chase & Co1,973,648$579.0M0.04%+1,539,742+354.9%Added
Janus Henderson Group PLC1,638,772$488.0M0.23%+348,379+27.0%Added
First Eagle Investment Management, LLC1,575,187$469.1M0.80%+1,575,187New
Mawer Investment Management Ltd.1,403,627$418.0M2.71%+104,875+8.1%Added
Viking Global Investors LPSuperinvestorViking Global Investors1,256,462$374.2M1.05%+1,256,462New
Morgan Stanley1,221,914$363.9M0.02%+502,743+69.9%Added
Veritas Asset Management LLP1,200,813$357.6M6.06%−40,393−3.3%Reduced
Price T Rowe Associates Inc1,124,028$334.7M0.04%+452,925+67.5%Added
Fundsmith Investment Services Ltd.1,096,855$326.6M7.41%−49,354−4.3%Reduced
Northern Trust Corp1,042,394$310.4M0.04%+357,873+52.3%Added
D. E. Shaw & Co., Inc.1,025,240$305.3M0.24%+673,230+191.3%Added
Principal Financial Group Inc1,019,289$303.6M0.16%+148,320+17.0%Added
Holocene Advisors, LP917,066$273.1M0.66%+505,356+122.7%Added
Bank of America Corp843,636$251.2M0.02%+258,616+44.2%Added
Ako Capital LLP816,929$243.3M4.76%+63,474+8.4%Added
Dimensional Fund Advisors LP814,716$242.6M0.05%+307,941+60.8%Added
Wellington Management Group LLP811,326$241.6M0.05%+538,604+197.5%Added
UBS Asset Management Americas Inc794,589$236.6M0.05%+300,522+60.8%Added
Charles Schwab Investment Management Inc772,524$230.1M0.04%+319,257+70.4%Added
Franklin Resources Inc709,538$211.3M0.05%+648,660+1,065.5%Added
Ameriprise Financial Inc695,644$207.2M0.05%+605,411+670.9%Added
Legal & General Group Plc684,813$203.9M0.05%+251,131+57.9%Added
UBS Group AG640,339$190.7M0.03%+284,384+79.9%Added
Goldman Sachs Group Inc563,060$167.7M0.02%+94,839+20.3%Added
Vanguard Fiduciary Trust Co556,148$165.6M0.04%+556,148New
Deutsche Bank AG535,684$159.5M0.05%+250,210+87.6%Added
Artisan Partners Limited Partnership534,576$159.2M0.26%+160,868+43.0%Added
Bank of New York Mellon Corp528,908$157.5M0.03%+205,678+63.6%Added
Manufacturers Life Insurance Company, The525,246$156.4M0.13%+451,871+615.8%Added
FMR LLC502,814$149.7M0.01%+342,658+214.0%Added
Allspring Global Investments Holdings, LLC488,854$146.6M0.25%+486,198+18,305.6%Added
Voya Investment Management LLC486,579$144.5M0.15%+135,652+38.7%Added
Clearbridge Investments, LLC478,271$142.4M0.12%+478,271New
Colony Group, LLC474,862$141.4M0.16%+203,101+74.7%Added
Findlay Park Partners LLP467,245$139.1M1.94%+8,776+1.9%Added
HSBC Holdings PLC465,000$138.5M0.08%+69,648+17.6%Added
Beck Mack & Oliver LLC432,206$128.7M2.65%+41,551+10.6%Added
Amundi432,146$128.7M0.04%+72,300+20.1%Added
Neuberger Berman Group LLC382,948$114.0M0.09%+308,433+413.9%Added
London Co of Virginia355,310$105.8M0.65%−149,364−29.6%Reduced
Point72 Asset Management, L.P.354,375$105.5M0.18%+291,419+462.9%Added
Schroder Investment Management Group316,203$94.2M0.08%+291,392+1,174.4%Added
Impax Asset Management Group plc314,584$93.7M0.65%+82,335+35.5%Added
First Trust Advisors LP303,112$90.3M0.06%−98,692−24.6%Reduced
Liontrust Investment Partners LLP298,855$89.0M1.52%+293,169+5,156.0%Added
Harris Associates L PSuperinvestorHarris Associates (Oakmark)288,712$86.0M0.11%+288,712New
Swiss National Bank288,614$85.9M0.05%+125,494+76.9%Added
Champlain Investment Partners, LLC279,840$83.3M1.06%−32,928−10.5%Reduced
Nuveen, LLC277,703$82.7M0.02%+79,794+40.3%Added
Madison Asset Management, LLC272,649$81.2M1.01%−20,515−7.0%Reduced
Cooke & Bieler LP268,853$80.1M0.91%+268,853New
First Pacific Advisors, LP267,472$79.7M1.12%+267,472New
TD Asset Management Inc266,536$79.4M0.06%+16,938+6.8%Added
Nordea Investment Management AB266,828$78.9M0.07%+253,278+1,869.2%Added
Natixis Advisors, L.P.257,380$76.6M0.11%+12,482+5.1%Added
LPL Financial LLC253,713$75.6M0.02%+224,964+782.5%Added
American Century Companies Inc235,371$70.1M0.04%+215,048+1,058.2%Added
Jones Financial Companies LLLP236,792$68.5M0.03%+236,358+54,460.4%Added
Royal Bank of Canada228,857$68.2M0.01%+73,533+47.3%Added
Marshall Wace, LLP226,886$67.6M0.07%−354,177−61.0%Reduced
Mitsubishi UFJ Kokusai Asset Management Co., Ltd.224,646$66.9M0.04%+99,062+78.9%Added
Epoch Investment Partners, Inc.224,431$66.8M0.40%+1,958+0.9%Added
Sumitomo Mitsui Trust Holdings, Inc.223,324$66.5M0.04%+87,057+63.9%Added
Vanguard Global Advisers, LLC214,292$63.8M0.03%+214,292New
Citadel Advisors LLC208,503$62.1M0.04%+69,018+49.5%Added
Meridiem Capital Partners LP207,814$61.9M4.07%+207,814New
Wells Fargo & Company207,364$61.8M0.01%+103,049+98.8%Added
Bristol John W & Co Inc199,532$59.4M0.98%+199,532New
SEI Investments Co197,565$58.8M0.05%+122,356+162.7%Added
State Farm Mutual Automobile Insurance Co189,881$56.5M0.04%+68,786+56.8%Added
Millennium Management LLC185,168$55.1M0.04%−353,545−65.6%Reduced
Newport Trust Co183,921$54.8M0.13%+8,391+4.8%Added
Barclays PLC180,779$53.8M0.02%+70,968+64.6%Added
Rhumbline Advisers178,037$53.0M0.05%+62,852+54.6%Added
Vanguard Asset Management, Ltd169,723$50.5M0.04%+169,723New
National Pension Service167,373$49.8M0.04%+58,838+54.2%Added
California State Teachers Retirement System154,059$45.9M0.05%+62,393+68.1%Added
Arrowstreet Capital, Limited Partnership148,660$44.3M0.02%+99,285+201.1%Added
Mackenzie Financial Corp145,950$43.5M0.05%+16,842+13.0%Added
Robeco Schweiz AG144,872$43.1M0.91%+12,779+9.7%Added
Citigroup Inc144,202$42.9M0.03%+38,075+35.9%Added
BNP Paribas Arbitrage, SA142,167$42.3M0.03%+35,864+33.7%Added
California Public Employees Retirement System138,423$41.2M0.03%+28,074+25.4%Added
BLI - Banque de Luxembourg Investments100,920$38.1M1.14%00.0%Unchanged
Fuller & Thaler Asset Management, Inc.127,059$37.8M0.13%+53,774+73.4%Added
Universal- Beteiligungs- und Servicegesellschaft mbH126,004$37.5M0.06%+40,539+47.4%Added
Standard Life Aberdeen plc125,534$37.4M0.06%+51,671+70.0%Added
Envestnet Asset Management Inc119,470$35.6M0.01%+4,879+4.3%Added
Raymond James Financial Inc115,325$34.3M0.01%+18,032+18.5%Added
SG Americas Securities, LLC115,069$34.3M0.04%+77,825+209.0%Added