Waters Corporation (WAT)
Healthcare
Diagnostics & Research
377.20 $
Closing price · As of: 31. Jul 2026
Who owns Waters Corporation (WAT)? This page shows the largest institutions and funds, the ownership structure and the latest insider transactions. 99.8% of the shares are freely tradable; institutional investors hold 99.7%.
Ownership Structure
Institutional ownership
Share of the stock held by institutional investors (funds, banks, insurers) according to regulatory filings.
99.7%
Float
Share of stock freely tradable on the market — not locked up in the hands of founders, insiders, or major shareholders.
99.8%
Short % of float
Shares sold short as a percentage of the freely tradable float — high values signal many bets on falling prices.
4.6%
Shares Outstanding
Total number of shares issued. Price times share count gives market cap.
98Mio.
Largest Shareholders
Institutions
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| BlackRock Inc | 8.70 | 8,543,014 | +57.3 | 03/31/2026 |
| Vanguard Group Inc | 7.61 | 7,469,936 | -2.4 | 12/31/2025 |
| Vanguard Capital Management, LLC | 6.50 | 6,378,775 | +0.0 | 03/31/2026 |
| Vanguard Portfolio Management, LLC | 4.84 | 4,754,185 | +0.0 | 03/31/2026 |
| T. Rowe Price Investment Management,Inc. | 4.75 | 4,663,879 | +1,728.3 | 03/31/2026 |
| Massachusetts Financial Services Company | 4.72 | 4,630,118 | +76.4 | 03/31/2026 |
| State Street Corp | 4.44 | 4,362,010 | +62.6 | 03/31/2026 |
| Fundsmith LLP | 3.27 | 3,212,075 | -9.7 | 03/31/2026 |
Funds
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| Vanguard Total Stock Mkt Idx Inv | 3.18 | 3,126,115 | +0.2 | 04/30/2026 |
| T. Rowe Price Capital Appreciation | 2.85 | 2,800,465 | +2.0 | 04/30/2026 |
Largest reported positions according to regulatory filings; stake as a percentage of shares outstanding, change versus the previous filing. Source: fundamentals data.
Data as of: July 31, 2026 · Source: fundamental data & SEC filings (annual and quarterly reports, 10-K/10-Q)
Note: pure fact-based analysis, not investment advice and not a solicitation to buy or sell. All figures without guarantee.