Waters Corporation (WAT) Institutional Ownership & Insider Trading

1,176 institutions reported holding Waters Corporation shares in 13F filings for the quarter ended 2026-06-30, according to EquiReason's reading of their SEC filings. 3 insider trades on Form 4 since 2025-10-01.

Source: SEC EDGAR filings · figures as of 2026-07-04 · read by EquiReason

WATWaters CorporationFollow WAT — free

Diagnostics & Research · Healthcare

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Market cap: 44.6B
P/E TTM: —
Dividend yield: —
52-week: —
Next earnings: 3 Nov, in 10 days

Institutions · all 13F filers

quarter to 30 Jun 2026 · filers in both quarters

1,176 institutions held —% of the shares. Across filers that reported both quarters, shares held changed +4.6%.

Largest moves, shares (millions)

Institutional flow by quarter

net shares added or trimmed, millions · filers in both quarters

Quarter	Holders	Shares held, M	Change	Increased	New	Decreased	Closed
Jun 26	1,176	99	+4.6%	316	116	413	109
Mar 26	1,163	95	+65.6%	548	412	98	61
Dec 25	784	57	-0.2%	215	80	252	53
Sep 25	733	58	-0.6%	199	65	259	81
Jun 25	757	58	+0.9%	244	59	229	44
Mar 25	741	57	+0.9%	241	47	221	46
Dec 24	740	57	-0.2%	234	65	201	38
Sep 24	677	56	-2.6%	191	56	195	59

Waters Corporation — questions

Who owns Waters Corporation stock?: 1,176 institutions reported Waters Corporation shares in 13F filings for the quarter ended 2026-06-30. The largest: BlackRock, Inc. (8.6%), VANGUARD CAPITAL MANAGEMENT LLC (6.5%), VANGUARD PORTFOLIO MANAGEMENT LLC (4.8%).
Are Waters Corporation insiders buying or selling?: 3 insider trades on Form 4 since 2025-10-01; the full list, with dates, people and plan status, is on this page.

Every figure on this page comes from Waters Corporation's own SEC filings — see them on SEC EDGAR. Price data is licensed and shown only inside the product.

How these figures are read: methodology · EquiReason.

Important information. Figures on this page are taken from filings submitted to the U.S. Securities and Exchange Commission (SEC) and processed automatically by EquiReason. They may contain errors, omissions or delays, and EquiReason makes no representation or warranty as to their accuracy, completeness or timeliness. Always verify figures against the original filing on SEC EDGAR before relying on them.

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