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.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 1,185 | $37.3B |
| Q1 2026 | 1,178 | $29.1B |
| Q4 2025 | 808 | $21.9B |
| Q3 2025 | 755 | $17.2B |
| Q2 2025 | 771 | $20.4B |
| Q1 2025 | 765 | $21.2B |
| Q4 2024 | 761 | $21.2B |
| Q3 2024 | 697 | $20.3B |
| Q2 2024 | 695 | $16.5B |
| Q1 2024 | 689 | $20.1B |
| Q4 2023 | 674 | $19.4B |
| Q3 2023 | 651 | $15.7B |
| Q2 2023 | 647 | $15.0B |
| Q1 2023 | 678 | $16.8B |
| Q4 2022 | 654 | $18.2B |
| Q3 2022 | 644 | $14.5B |
| Q2 2022 | 654 | $17.7B |
| Q1 2022 | 661 | $16.9B |
| Q4 2021 | 667 | $20.4B |
| Q3 2021 | 658 | $19.5B |
| Q2 2021 | 634 | $18.9B |
| Q1 2021 | 600 | $15.5B |
Institutions, Q1 2026
Shares, value and share of portfolio for each institution holding Waters Corp; share changes are against Q4 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Massar Capital Management, LP | 0 | $0 | 0.00% | −4,175−100.0% | Sold out |
| Jump Financial, LLC | 0 | $0 | 0.00% | −4,145−100.0% | Sold out |
| Fox Run Management, L.L.C. | 0 | $0 | 0.00% | −3,116−100.0% | Sold out |
| GAM Holding AG | 0 | $0 | 0.00% | −2,629−100.0% | Sold out |
| Retireful, LLC | 0 | $0 | 0.00% | −1,940−100.0% | Sold out |
| Lecap Asset Management Ltd | 0 | $0 | 0.00% | −1,769−100.0% | Sold out |
| Aigen Investment Management, LP | 0 | $0 | 0.00% | −1,590−100.0% | Sold out |
| Boothbay Fund Management, LLC | 0 | $0 | 0.00% | −1,589−100.0% | Sold out |
| Alps Advisors Inc | 0 | $0 | 0.00% | −1,553−100.0% | Sold out |
| Quest Partners LLC | 0 | $0 | 0.00% | −1,421−100.0% | Sold out |
| Pensionfund Sabic | 0 | $0 | 0.00% | −1,100−100.0% | Sold out |
| 111 Capital | 0 | $0 | 0.00% | −973−100.0% | Sold out |
| Forum Financial Management, LP | 0 | $0 | 0.00% | −962−100.0% | Sold out |
| Ethos Financial Group, LLC | 0 | $0 | 0.00% | −917−100.0% | Sold out |
| Graham Capital Management, L.P. | 0 | $0 | 0.00% | −886−100.0% | Sold out |
| Sage Mountain Advisors LLC | 0 | $0 | 0.00% | −755−100.0% | Sold out |
| Seeds Investor LLC | 0 | $0 | 0.00% | −748−100.0% | Sold out |
| GTS Securities LLC | 0 | $0 | 0.00% | −733−100.0% | Sold out |
| AlphaGrep UK Ltd | 0 | $0 | 0.00% | −698−100.0% | Sold out |
| Applied Finance Capital Management, LLC | 0 | $0 | 0.00% | −663−100.0% | Sold out |
| Scientech Research LLC | 0 | $0 | 0.00% | −659−100.0% | Sold out |
| Global Endowment Management, LP | 0 | $0 | 0.00% | −655−100.0% | Sold out |
| Brookwood Investment Group LLC | 0 | $0 | 0.00% | −655−100.0% | Sold out |
| Anchor Capital Advisors LLC | 0 | $0 | 0.00% | −634−100.0% | Sold out |
| Nomura Holdings Inc | 0 | $0 | 0.00% | −627−100.0% | Sold out |
| Cardinal Strategic Wealth Guidance | 0 | $0 | 0.00% | −623−100.0% | Sold out |
| FourThought Financial Partners, LLC | 0 | $0 | 0.00% | −603−100.0% | Sold out |
| Bedel Financial Consulting, Inc. | 0 | $0 | 0.00% | −600−100.0% | Sold out |
| AIA Group Ltd | 0 | $0 | 0.00% | −598−100.0% | Sold out |
| Rockland Trust Co | 0 | $0 | 0.00% | −596−100.0% | Sold out |
| Associated Banc-Corp | 0 | $0 | 0.00% | −566−100.0% | Sold out |
| Advisory Advocates, LLC | 0 | $0 | 0.00% | −546−100.0% | Sold out |
| CAPROCK Group, Inc. | 0 | $0 | 0.00% | −543−100.0% | Sold out |
| Beacon Investment Advisors LLC | 0 | $0 | 0.00% | −541−100.0% | Sold out |
| Harvest Fund Management Co., Ltd | 0 | $0 | 0.00% | −540−100.0% | Sold out |
| Livforsakringsbolaget Skandia, Omsesidigt | 0 | $0 | 0.00% | −499−100.0% | Sold out |
| Stephenson National Bank & Trust | 0 | $0 | 0.00% | −351−100.0% | Sold out |
| Quarry LP | 0 | $0 | 0.00% | −202−100.0% | Sold out |
| Monetary Management Group Inc | 0 | $0 | 0.00% | −200−100.0% | Sold out |
| Sentry Investment Management LLC | 0 | $0 | 0.00% | −146−100.0% | Sold out |
| eCIO, Inc. | 0 | $0 | 0.00% | −129−100.0% | Sold out |
| SageView Advisory Group, LLC | 0 | $0 | 0.00% | −117−100.0% | Sold out |
| Cape Investment Advisory, Inc. | 0 | $0 | 0.00% | −107−100.0% | Sold out |
| Group One Trading, L.P. | 0 | $0 | 0.00% | −106−100.0% | Sold out |
| Reflection Asset Management | 0 | $0 | 0.00% | −57−100.0% | Sold out |
| Fideuram Asset Management (Ireland) dac | 0 | $0 | 0.00% | −45−100.0% | Sold out |
| Elyxium Wealth, LLC | 0 | $0 | 0.00% | −28−100.0% | Sold out |
| Bravera Wealth | 0 | $0 | 0.00% | −16−100.0% | Sold out |
| Rogco, LP | 0 | $0 | 0.00% | −15−100.0% | Sold out |
| Howard Hughes Medical Institute | 0 | $0 | 0.00% | −12−100.0% | Sold out |
| Mowery & Schoenfeld Wealth Management, LLC | 0 | $0 | 0.00% | −9−100.0% | Sold out |
| Bayforest Capital Ltd | 0 | $0 | 0.00% | −9−100.0% | Sold out |
| Winnow Wealth LLC | 0 | $0 | 0.00% | −6−100.0% | Sold out |
| Optima Capital LLC | 0 | $0 | 0.00% | −3−100.0% | Sold out |
| Bellevue Asset Management, LLC | 0 | $0 | 0.00% | −3−100.0% | Sold out |
| CBIZ Investment Advisory Services, LLC | 0 | $0 | 0.00% | −2−100.0% | Sold out |
| Quest 10 Wealth Builders, Inc. | 0 | $0 | 0.00% | −1−100.0% | Sold out |
| Breakwater Investment Management | 0 | $0 | 0.00% | −1−100.0% | Sold out |
| Wealth Watch Advisors, INC | 0 | $0 | 0.00% | −1−100.0% | Sold out |
| Quattro Advisors LLC | 0 | $0 | 0.00% | −1−100.0% | Sold out |
| Vanguard Group Inc | – | – | – | – | Not filed |
| Norges Bank | – | – | – | – | Not filed |
| Iron Triangle Partners LP | – | – | – | – | Not filed |
| Forsta Ap-Fonden | – | – | – | – | Not filed |
| CIBC World Markets Corp | – | – | – | – | Not filed |
| Comerica Bank | – | – | – | – | Not filed |
| Trust Co of Vermont | – | – | – | – | Not filed |
| Global Retirement Partners, LLC | – | – | – | – | Not filed |
| Ransom Advisory, Ltd | – | – | – | – | Not filed |
| Canandaigua National Bank & Trust Co | – | – | – | – | Not filed |
| CIBC Private Wealth Group, LLC | – | – | – | – | Not filed |
| DV Equities, LLC | – | – | – | – | Not filed |
| ORG Partners LLC | – | – | – | – | Not filed |
| GPS Wealth Strategies Group, LLC | – | – | – | – | Not filed |