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Thermo Fisher Scientific vs Waters Corporation

Thermo Fisher Scientific (TMO) and Waters Corporation (WAT) side by side, from official filings: what insiders, members of Congress and funds reported. These are counts of what was filed, not a view on either stock.

Thermo Fisher Scientific TMONYSE · Life Sciences Tools & ServicesWaters Corporation WATNYSE · Life Sciences Tools & Services
Insider records, last 12 months31775
Congress trades, last 12 months119
Fund positions reported, last 12 months53485
Federal contract awards, last 12 months80
Open-market purchases by insiders since 2006165
Open-market sales by insiders since 20062,914375
Last open-market purchase by an insiderFeb 21, 2025Mar 18, 2026
Next resultsOct 21, 2026Nov 3, 2026

Counts of records OQRO holds, by their date. Insider history since 2006 comes from the SEC's insider transactions data sets and every filing since. Planned and automatic sales are included in the sales.

Common questions

Which has had more insider buying, Thermo Fisher Scientific or Waters Corporation?

Since 2006, Thermo Fisher Scientific insiders reported 16 open-market purchases against 5 for Waters Corporation, in SEC Forms 4 and 5. Counts depend on the number of insiders and how long each company has been listed.

Do members of Congress trade TMO or WAT?

In the last 12 months, members of Congress disclosed 11 trades in Thermo Fisher Scientific (TMO) and 9 in Waters Corporation (WAT), each reported as a value range on a periodic transaction report.

When did insiders last buy TMO and WAT?

Thermo Fisher Scientific: Feb 21, 2025. Waters Corporation: Mar 18, 2026. Dates are those of the SEC filings.

See the record behind any of these

Each company page opens free with one real filing and the counts of the last 12 months. OQRO Pro adds the full history of every insider and company since 2006, the screener, alerts, Congress trades and fund moves.

Thermo Fisher Scientific pageWaters Corporation pageRare insider trades this weekAll comparisons

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