Waters Corp (WAT) Ownership & Trading Activity
Institutional holders, insider transactions, and congressional trades for WAT. 13F holdings as of 2026-06-30.
Top Institutional Holders
| Institution | Shares | Value | Change |
|---|
| Vanguard | 12,171,587 | $4.6B | INCREASED |
| BlackRock | 8,484,939 | $3.2B | DECREASED |
| T. Rowe Price | 5,995,737 | $2.2B | INCREASED |
| Massachusetts Financial Services Co /MA | 4,625,035 | $2.5B | DECREASED |
| State Street | 4,382,008 | $1.6B | INCREASED |
Recent Insider Trades
| Insider | Type | Shares | Value | Date |
|---|
| Christopher A Kuebler (Director) | EXERCISE | 3,626 | $495K | 2026-08-06 |
| Christopher A Kuebler (Director) | SELL | 3,626 | $1M | 2026-08-06 |
| Wei Jiang (Director) | AWARD | 67 | | 2026-06-30 |
| Heather Knight (Director) | AWARD | 63 | | 2026-06-30 |
| Robert L Carpio III (SVP Waters Analytical Sciences) | TAX-W | 189 | $70K | 2026-06-24 |
Recent Congressional Trades
| Member | Type | Amount | Date |
|---|
| Kevin Hern (Republican) | SALE | $1,001 - $15,000 | 2026-08-13 |
| Kevin Hern (Republican) | SALE | $1,001 - $15,000 | 2026-08-12 |
| Thomas H Tuberville | SALE | $1,001 - $15,000 | 2024-05-03 |
Full institutional holdings, insider history, and congressional trades for Waters Corp on SentiSense.