Waters Corp (WAT) Ownership & Trading Activity

Institutional holders, insider transactions, and congressional trades for WAT. 13F holdings as of 2026-06-30.

In 13F filings for the quarter ended June 30, 2026, 1,163 institutions reported holding WAT, with 97.4 million shares worth $37.1 billion in aggregate.

Top Institutional Holders

InstitutionSharesValueChange
Vanguard12,171,587$4.6BINCREASED
BlackRock8,484,939$3.2BDECREASED
T. Rowe Price5,995,737$2.2BINCREASED
Massachusetts Financial Services Co /MA4,625,035$2.5BDECREASED
State Street4,382,008$1.6BINCREASED

Recent Insider Trades

InsiderTypeSharesValueDate
Heather Knight (Director)AWARD572026-09-30
Wei Jiang (Director)AWARD572026-09-30
Christopher A Kuebler (Director)EXERCISE3,626$495K2026-08-06
Christopher A Kuebler (Director)SELL3,626$1M2026-08-06
Christopher A Kuebler (Director)EXERCISE3,626$495K2026-08-06

Recent Congressional Trades

MemberTypeAmountDate
Kevin Hern (Republican)SALE$1,001 - $15,0002026-08-13
Kevin Hern (Republican)SALE$1,001 - $15,0002026-08-12
Tommy Tuberville (Republican)SALE$1,001 - $15,0002024-05-03

Full institutional holdings, insider history, and congressional trades for Waters Corp on SentiSense.