Thermo Fisher Scientific Inc Congressional Trading
According to U.S. congressional financial disclosures filed under the STOCK Act, members of Congress have reported 279 trades in Thermo Fisher Scientific Inc (NYSE: TMO) since 2014, across 46 members, worth an estimated $7.6M in disclosed volume (the midpoint of the dollar ranges members report, not exact amounts). 146 buys against 133 sells, a modestly buy-led skew, with Democratic members responsible for 59% of the trades and Republican members 41%. The most recent disclosure shown was filed May 2026, and Ro Khanna has filed the most TMO transactions among those shown, with 16. Other recent filers include Dwight Evans, Lisa Mcclain, and Valerie Hoyle. One notable disclosed move was a sale by Ro Khanna on January 22, 2026, down 26.5% since. These figures are drawn from public House and Senate periodic transaction reports and reflect what members were required to disclose, not the current market value of any position. For the full record, including the month-by-month buy and sell timeline, the party breakdown, top buyers and sellers, and every individual filing, see the Thermo Fisher Scientific Inc (TMO) stock overview and the complete trade table below.
Data updated
Price & congressional trade timeline
Party breakdown
Thermo Fisher Scientific congressional trading activity
| Politician | Published | Traded | Filed After | Type | Size | Return | |
|---|---|---|---|---|---|---|---|
 Dwight Evans House | May 15, 2026 | May 7, 2026 | 8 days | SELL |  $1,001 - $15,000 | -1.08% | |
 Ro Khanna House | Apr 7, 2026 | Mar 10, 2026 | 28 days | SELL | $15,001 - $50,000 | -6.05% | |
Ro Khanna House | Apr 7, 2026 | Mar 6, 2026 | 32 days | BUY | $1,001 - $15,000 | -6.41% | |
Ro Khanna House | Mar 9, 2026 | Feb 24, 2026 | 13 days | BUY | $1,001 - $15,000 | -8.88% | |
Ro Khanna House | Mar 9, 2026 | Feb 5, 2026 | 32 days | BUY | $15,001 - $50,000 | -13.38% | |
Ro Khanna House | Feb 6, 2026 | Jan 29, 2026 | 8 days | SELL | $15,001 - $50,000 | -20.66% | |
Ro Khanna House | Feb 6, 2026 | Jan 22, 2026 | 15 days | SELL | $1,001 - $15,000 | -26.53% | |
Ro Khanna House | Feb 6, 2026 | Jan 12, 2026 | 25 days | SELL | $1,001 - $15,000 | -23.66% | |
Ro Khanna House | Dec 8, 2025 | Nov 7, 2025 | 31 days | BUY | $15,001 - $50,000 | -17.86% | |
 Lisa Mcclain House | Nov 21, 2025 | Oct 31, 2025 | 21 days | SELL | $1,001 - $15,000 | -17.14% |
Thermo Fisher Scientific (TMO) congressional trading FAQ
Can members of Congress legally trade Thermo Fisher Scientific (TMO) stock?
Yes. Members of Congress are permitted to trade individual stocks, including Thermo Fisher Scientific (TMO), but the STOCK Act of 2012 requires them to publicly disclose each transaction within 45 days. BullishWhales tracks those disclosures; it does not imply any trade was improper.
Are congressional Thermo Fisher Scientific (TMO) trades public?
Yes. Every congressional trade in Thermo Fisher Scientific (TMO) on this page comes from mandatory public STOCK Act disclosure filings, which are filed with a delay and may be revised.
How many times has Congress traded Thermo Fisher Scientific (TMO)?
Members of Congress have disclosed 279 trades in Thermo Fisher Scientific (TMO) worth $7.6M across 46 members, according to public STOCK Act filings.
Which members of Congress have traded Thermo Fisher Scientific (TMO)?
Recent and active filers of Thermo Fisher Scientific (TMO) disclosures include Ro Khanna, Lisa Mcclain, Kelly Louise Morrison. The full member-by-member trade list is on this page.
Do Democrats or Republicans trade Thermo Fisher Scientific (TMO) more?
Across disclosed Thermo Fisher Scientific (TMO) trades, 58% were by Democrats and 41% by Republicans, led by Democrats (58%).
What is the most recent congressional Thermo Fisher Scientific (TMO) trade?
The most recent disclosed Thermo Fisher Scientific (TMO) trade was a sale by Dwight Evans, filed May 14, 2026.
Browse all stocks Congress tradesCongressional trading overviewThermo Fisher Scientific (TMO) stock overview
Not investment advice. Congressional trading data is sourced from public STOCK Act disclosures, which are filed with a delay and may contain errors or be revised. The Tide Score and other figures are generated algorithmically from public filings and market data and describe historical activity, not a recommendation. Always do your own research and consult a licensed financial advisor before making investment decisions.