1,319 institutions reported holding $37.76B of WAT (WAT) in SEC 13F filings for 2026-06-30. Largest institutional holders: VANGUARD GROUP INC ($4.56B), BlackRock, Inc. ($3.18B), MASSACHUSETTS FINANCIAL SERVICES CO /MA/ ($2.53B), STATE STREET CORP ($1.64B), T. Rowe Price Investment Management, Inc. ($1.43B). Source: SEC Form 13F.
Source: SEC Form 13F filings · as of 2026-06-30