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$WAT:NYSE · WATERS CORP

Sector: health

Conviction from: S&P

Waters Corporation makes analytical laboratory instruments and software, including liquid chromatography and mass spectrometry systems, used in pharmaceutical and industrial testing.

3 tracked filer(s) hold this · 1 opened, 1 added, 1 trimmed in 31-MAR-2026

Aggregate 13FScore 58 — mean of 3 scored holder(s) · buyers (new/add) avg 55. Higher = the smart money in this name has the better track record.

Filer13FScoreThis quarterSharesValue% of their book
Bill Nygren / Oakmark (Harris Associates)68New buy288,712$85,978,4340.1%
Ancora42Added +11401%9,086$2,705,8110.1%
Terry Smith / Fundsmith63Trimmed -10%3,212,075$956,555,9357.5%

Beyond 13F — activists, insiders, politicians & research

Insider open-market buys daily digest →

FiledInsiderRoleSharesValue
2026-03-10FEARON RICHARD Hdirector1,000$306,340Form 4

Congressional trades all politician trades →

8 disclosed trade(s) by 5 filer(s).

Trade dateWhoTypeAmount
2026-03-18Gilbert Cisneros CA31BUY$1,001 - $15,000PTR
2026-03-10Thomas H. Kean Jr NJ07SELL$1,001 - $15,000PTR
2026-02-13Thomas H. Kean Jr NJ07SELL$1,001 - $15,000PTR
2026-02-10Debbie Dingell MI06SELL$1,001 - $15,000PTR
2026-02-09Kevin Hern OK01SELL$1,001 - $15,000PTR
2025-12-08Julia Letlow LA05BUY$1,001 - $15,000PTR
2024-11-19Julia Letlow LA05SELL$1,001 - $15,000PTR
2024-10-23Julia Letlow LA05BUY$1,001 - $15,000PTR

Trump & executive branch trades all Trump/exec trades →

8 disclosed trade(s) by 1 filer(s).

Trade dateWhoTypeAmount
2026-07-01Trump, Donald J PresidentBUY$1,001 - $15,000PTR
2026-05-14Trump, Donald J PresidentBUY$1,001 - $15,000PTR
2026-05-14Trump, Donald J PresidentBUY$15,001 - $50,000PTR
2026-05-14Trump, Donald J PresidentBUY$50,001 - $100,000PTR
2026-05-14Trump, Donald J PresidentBUY$50,001 - $100,000PTR
2026-05-14Trump, Donald J PresidentBUY$15,001 - $50,000PTR
2026-05-14Trump, Donald J PresidentBUY$100,001 - $250,000PTR
2026-05-14Trump, Donald J PresidentBUY$100,001 - $250,000PTR

Every tracked holder of this name, sorted new → added → flat → trimmed. Shares = reported 13F share count; Value as reported (a few managers file values in $thousands). Generated 2026-07-20.