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WATERS CORP (WAT)

Name: WATERS CORP (WAT) — Institutional ownership, SEC filings and insider activity
Creator: Sightfile
License: https://www.sec.gov/privacy#dissemination

Institutional ownership, SEC filings and insider activity

Sector: Healthcare & Pharma · SEC CIK 0001000697 · EDGAR filings · Updated 2026-07-02

WATERS CORP (WAT) has reported institutional ownership of 96.6%, with 1,165 institutional managers holding positions valued at $29.1B per the latest 13F reporting period. SEC filings include an active non-reliance notice on previously issued financial statements (8-K Item 4.02), substantial-doubt (going concern) disclosure per the filings.

Institutional ownership

96.6%

Institutional managers

1,165

Reported 13F value

$29.1B

Insider activity

48 trans.

$451.1K net buying

Data flags

2 active

from SEC filings

Latest updates

2026-07-02 — Insider transaction reported (Form 4)
2026-07-02 — Insider transaction reported (Form 4)
2026-06-25 — Insider transaction reported (Form 4)
2026-06-25 — 11-K filed
2026-05-29 — SD filed
2026-05-22 — Current report (8-K) filed
2026-05-15 — SCHEDULE 13G/A filed
2026-05-14 — Insider transaction reported (Form 4)

Institutional ownership overview

According to SEC 13F filings tracked by Sightfile, WATERS CORP has 1,165 institutional holders and institutional ownership of 96.6%.

#	Institution	Reported value	% of tracked total
1	BlackRock, Inc.	$2.54B	8.7%
2	MASSACHUSETTS FINANCIAL SERVICES CO /MA/	$2.06B	7.1%
3	VANGUARD CAPITAL MANAGEMENT LLC	$1.90B	6.5%
4	VANGUARD PORTFOLIO MANAGEMENT LLC	$1.42B	4.9%
5	T. Rowe Price Investment Management, Inc.	$1.39B	4.8%
6	STATE STREET CORP	$1.30B	4.5%
7	Fundsmith LLP	$956.6M	3.3%
8	ALLIANCEBERNSTEIN L.P.	$804.0M	2.8%
9	GEODE CAPITAL MANAGEMENT, LLC	$785.1M	2.7%
10	Invesco Ltd.	$645.7M	2.2%

Full holder history and quarter-over-quarter changes are available inside the app.

Insider activity

Insiders reported 48 transactions (2 buys, 0 sells) across 14 reporting insiders, with a net reported value of $451.1K.

Data flags from SEC filings

Active non-reliance notice on previously issued financial statements (8-K Item 4.02), most recently filed 2026-02-09 (recurring since 2026-02-09) — source filing. The authoritative details are those stated in the filing itself.

Active substantial-doubt (going concern) disclosure per the filings, most recently filed 2025-02-25 (recurring since 2023-02-27) — source filing. The authoritative details are those stated in the filing itself.

Fails-to-deliver

The SEC's fails-to-deliver file for 2026-06-30 reports 1,162 failed-to-deliver shares ($428.6K) for WAT — an official data point published by the SEC, shown as reported.

Related companies

EDWARDS LIFESCIENCES CORP (EW) · IDEXX LABS INC (IDXX) · INSMED INC (INSM) · AGILENT TECHNOLOGIES INC (A) · MEDLINE INC (MDLN) · GE HEALTHCARE TECHNOLOGI (GEHC)

See full history, cross-references and alerts on Sightfile

Sightfile provides information only — not investment advice, recommendations, or an assessment of any security. Data is derived from official public sources (SEC EDGAR and U.S. government agencies), may contain errors or delays, and should be verified against the source filing before relying on it.
Data sources: SEC EDGAR (filings, 13F, FTD), aggregated by Sightfile. Page updated 2026-07-02.