WATERS CORP
WAT·941848103·US·Common Stock·Healthcare - Diagnostics & Research-13D/G
WAT (WATERS CORP) is held by 317 institutional investors as of Q2 2026. Largest holders: BlackRock, Inc. ($3.2B), MASSACHUSETTS FINANCIAL SERVICES CO /MA/ ($2.5B), VANGUARD CAPITAL MANAGEMENT LLC ($2.4B). Net institutional sentiment: Mixed. In Q2 2026, 4 members of Congress and 151 funds bought WAT.
Who's Trading
Source dates: Price Oct 16, 2026 · Insiders Oct 2, 2026 · Activists May 15, 2026 · Congress Sep 1, 2026
Top Holders
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Data sourced from four public-disclosure sources: SEC 13F, Form 4, 13D/13G, and House/Senate STOCK Act disclosures. Not financial advice. Full disclaimer