Waters (WAT) Held by Superinvestors
WATERS CORP (WAT) is currently held by 8 superinvestors tracked by InsiderSet, with a combined reported market value of approximately $2.39B based on the latest available SEC Form 13F filings for the quarter ended June 30, 2026.
Fundsmith is currently the largest disclosed institutional shareholder of WAT tracked by InsiderSet, reporting ownership valued at approximately $852.70M in its June 30, 2026 SEC Form 13F filing. Based on current market prices and the latest disclosed share count, the position is now estimated to be worth approximately $986.23M, representing an estimated gain of +15.66% since the filing period.
The top 10 institutional shareholders tracked on this page collectively account for approximately 100% of the total disclosed WAT value among the investors covered in this analysis. Major shareholders include Fundsmith, Viking Global Investors, First Eagle U.S. Value, and several other long-term asset managers with concentrated positions in WATERS CORP (WAT).
This page ranks the largest institutional WAT shareholders using publicly disclosed SEC Form 13F data, including reported values, estimated current holding values, portfolio allocation percentages, ownership concentration metrics, and historical holding changes across major hedge funds and investment firms.
| Name | Investor/Manager | Portfolio % | Quantity | Reported Balance | Current Estimated Value | Gain/loss Since Filing | Estimated Portfolio Performance |
|---|---|---|---|---|---|---|---|
| Fundsmith | Terry Smith | 6.25% | 2,273,632 | $852,702,945 | $986,233,353 | +$133,530,408 | +15.66% |
| Viking Global Investors | Ole Andreas Halvorsen | 1.78% | 1,662,140 | $623,368,986 | $720,986,468 | +$97,617,482 | +15.66% |
| First Eagle U.S. Value | Jean-Marie Eveillard | 0.82% | 1,335,108 | $500,718,821 | $579,129,797 | +$78,410,976 | +15.66% |
| Fundsmith Investment Services | Terry Smith | 6.95% | 837,764 | $314,195,011 | $363,396,890 | +$49,201,879 | +15.66% |
| AKO Capital | Nicolai Tangen | 1.78% | 203,356 | $76,267,000 | $88,209,732 | +$11,942,732 | +15.66% |
| Jensen Investment Management | Eric H. Schoenstein | 0.35% | 38,566 | $14,463,793 | $16,728,774 | +$2,264,981 | +15.66% |
| Sequoia Financial Advisors | 0.04% | 19,624 | $7,359,714 | $8,512,302 | +$1,152,588 | +15.66% | |
| Mairs & Power Growth Fund | Andrew R. Adams | 0.00% | 959 | $359,663 | $415,985 | +$56,322 | +15.66% |
Frequently asked questions about WAT
Who are the largest superinvestors holding WAT?
The largest superinvestors holding WAT in the latest SEC Form 13F filings include Fundsmith, Viking Global Investors, First Eagle U.S. Value, Fundsmith Investment Services, and AKO Capital. InsiderSet ranks these superinvestors by their latest reported WAT position.
What does the WAT superinvestors page include?
This page tracks WAT positions reported by a curated group of notable institutional investors and fund managers through SEC Form 13F. WATERS CORP (WAT) on this page reflects disclosed 13F holdings among those superinvestors, not every institutional shareholder of the stock.
How many superinvestors hold WAT?
InsiderSet currently tracks 8 superinvestors reporting WAT holdings in the latest available 13F data. This is the curated set on this page, not the total number of institutions that own WAT.
How much WAT stock do superinvestors hold?
Superinvestors tracked by InsiderSet disclosed approximately $2.39B in WAT holdings for Q2 2026. This figure is reported 13F value as of the filing period, not necessarily today's market value, and it covers the curated superinvestors on this page rather than every institutional filer.
When were WAT superinvestor holdings last updated?
The latest WAT superinvestor holdings on InsiderSet are based on SEC Form 13F filings for the quarter ended June 30, 2026. Form 13F filings are generally reported after the quarter ends, so the holdings shown represent the latest publicly disclosed positions rather than real-time holdings.
Are superinvestor WAT holdings real-time?
No. Form 13F data is not real-time. It represents positions reported by these superinvestors as of the end of the reporting quarter. A superinvestor may have changed its WAT position after the reporting date.
Are superinvestors buying or selling WAT?
Buying and selling can be analyzed by comparing WAT positions across consecutive 13F reporting periods. InsiderSet's WAT Ownership Changes page shows institutions that increased, reduced, initiated, or exited positions based on reported 13F holdings. View WAT ownership changes.
How have superinvestor WAT holdings changed over time?
InsiderSet tracks WAT holdings among these superinvestors across multiple 13F reporting periods, so holder counts, reported value, and reported shares can be compared over time.