Filing Flows › Waters (WAT) › Who owns the stock
Who owns Waters (WAT) stock
1,106 funds reported Waters (WAT) shares in their latest 13F filings, worth $39.9B in all. The largest holder is BlackRock ($3.2B). Last quarter 448 funds added to their stakes and 550 cut them. Members of Congress and other officials disclosed 7 trades (2 buys, 3 sales).
Largest holders (13F)
| Fund | Shares | Value | Change | Quarter |
|---|---|---|---|---|
| BlackRock | 8,484,939 | $3.2B | decrease | 2026-06-30 |
| Vanguard Group | 7,469,936 | $2.8B | decrease | 2025-12-31 |
| Massachusetts Financial Services | 4,625,035 | $2.5B | decrease | 2026-06-30 |
| Vanguard Capital Management LLC | 6,415,552 | $2.4B | increase | 2026-06-30 |
| Vanguard Portfolio Management LLC | 4,740,524 | $1.8B | decrease | 2026-06-30 |
| State Street | 4,382,008 | $1.6B | increase | 2026-06-30 |
| T. Rowe Price Investment Management | 3,817,779 | $1.4B | decrease | 2026-06-30 |
| Invesco | 3,494,267 | $1.3B | increase | 2026-06-30 |
| First Eagle Investment Management, LLC | 2,670,216 | $1.0B | increase | 2026-06-30 |
| Geode Capital Management, LLC | 2,636,146 | $985M | decrease | 2026-06-30 |
| Fundsmith LLP | 2,273,632 | $853M | decrease | 2026-06-30 |
| Price T Rowe Associates | 2,177,958 | $817M | increase | 2026-06-30 |
| Alliancebernstein L.P. | 2,694,590 | $802M | increase | 2026-06-30 |
| Jupiter Topco LLC | 1,663,601 | $624M | base | 2026-06-30 |
| Viking Global Investors LP | 1,662,140 | $623M | increase | 2026-06-30 |
Trades by Congress and other officials
| Date | Who | Trade | Amount |
|---|---|---|---|
| 2026-08-13 | Kevin Hern | sale | $1K–$15K |
| 2026-03-18 | Gilbert Cisneros | purchase | $1K–$15K |
| 2026-03-10 | Thomas H. Kean Jr | partial sale | $1K–$15K |
| 2026-02-13 | Thomas H. Kean Jr | partial sale | $1K–$15K |
| 2026-02-10 | Debbie Dingell | exchange | $1K–$15K |
| 2026-02-09 | Kevin Hern | exchange | $1K–$15K |
| 2025-12-08 | Julia Letlow | purchase | $1K–$15K |
Waters' latest quarter
Waters, Q3 2026: revenue $1.8B (+121% year over year), operating margin 7.2%, net earnings $81.0M, operating cash flow $98.0M. The chart follows the revenue to costs, profit and cash.
Questions
Who owns the most WAT stock?
By the latest 13F filings: BlackRock ($3.2B); Vanguard Group ($2.8B); Massachusetts Financial Services ($2.5B); Vanguard Capital Management LLC ($2.4B); Vanguard Portfolio Management LLC ($1.8B).
Has Congress traded WAT stock?
Officials disclosed 7 trades on file: 2 buys and 3 sales. The latest: Kevin Hern, sale on 2026-08-13.
What is the short interest in WAT?
3,191,944 shares were sold short at the 2026-10-15 settlement, -6.25% of the float.
Updated Nov 8, 2026. Read automatically from SEC filings and public data; errors are possible. Not investment advice.