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Who in Congress Has Traded Thermo Fisher Scientific Inc (TMO)?

The Thermo Fisher Scientific Inc line shows up 99 times in the congressional disclosure record between 2013 and 2026, filed by 35 members: 60 purchases against 39 sales. On balance the chamber has been net buyers, and the purchases sit up 27.8% against the latest close.

99Trades
60Buys
39Sells
35Members
$622.18Latest close 2026-08-28
+27.8%Congress buys vs latest close*

*Purchases only, weighted by the midpoint of each disclosed dollar band and marked to the latest close. Filings report a range, never a share count, so this follows the stock rather than anyone's position size.

61% buys39% sells

How it splits by party

Democrats
26 buys · 19 sells
14 members · 45 trades
Republicans
31 buys · 11 sells
14 members · 42 trades
Independents
1 buys · 1 sells
1 member · 2 trades

Whose TMO buys have done best

Members ranked by how their reported TMO purchases have moved since, over roughly the last three years, weighted by disclosed band midpoint and marked to the latest close.

1 Thomas H. Kean Jr
+47.3%
2 Alan Armstrong
+31.4%
3 Markwayne Mullin
+30.5%
4 Rohit Khanna
+14.2%
5 Josh Gottheimer
-0.3%
DateMemberTypeAmountEst. priceLatest closeReturn
2019-11-07Kevin HernBUY$1K–$15K$293.54$622.18 2026-08-28+112.0%
2019-10-15Dwight EvansSELL$1K–$15K$286.02$622.18 2026-08-28+24.4% rt
2019-08-15John B. LarsonBUY$1K–$15K$273.31$622.18 2026-08-28+127.7%
2019-07-09Elizabeth FletcherSELL$1K–$15K$296.90$622.18 2026-08-28-109.6% exit
2019-06-24David P. RoeBUY$1K–$15K$295.55$622.18 2026-08-28+110.5%
2019-06-20Bradley S. SchneiderSELL$250K–$500K$293.34$622.18 2026-08-28-112.1% exit
2019-05-31Elizabeth FletcherSELL$1K–$15K$266.98$622.18 2026-08-28-133.0% exit
2019-02-28John F ReedSELL$1K–$15K$259.57$622.18 2026-08-28+64.6% rt
2018-11-28Lois FrankelSELL$1K–$15K$247.40$622.18 2026-08-28-151.5% exit
2018-11-14John A. YarmuthBUY$1K–$15K$235.08$622.18 2026-08-28+164.7%
2018-08-17Dwight EvansBUY$1K–$15K$230.00$622.18 2026-08-28+170.5%
2018-07-27James B. RenacciBUY$1K–$15K$231.10$622.18 2026-08-28+169.2%
2018-06-04Susan M CollinsBUY$1K–$15K$214.17$622.18 2026-08-28+190.5%
2018-04-02Thomas J. RooneySELL$1K–$15K$203.14$622.18 2026-08-28-206.3% exit
2018-03-09John F ReedSELL$1K–$15K$217.89$622.18 2026-08-28+48.8% rt
2017-10-16David B. McKinleyBUY$1K–$15K$191.28$622.18 2026-08-28+225.3%
2017-10-10Carlos CurbeloSELL$1K–$15K$192.64$622.18 2026-08-28-223.0% exit
2017-09-26Dwight EvansSELL$15K–$50K$187.67$622.18 2026-08-28+33.0% rt
2017-09-05James B. RenacciBUY$1K–$15K$186.02$622.18 2026-08-28+234.5%
2017-08-31Thomas R CarperBUY$1K–$15K$187.14$622.18 2026-08-28+232.5%
2017-05-10Lois FrankelSELL$1K–$15K$170.97$622.18 2026-08-28-263.9% exit
2017-03-24K. Michael ConawaySELL$15K–$50K$154.04$622.18 2026-08-28-303.9% exit
2017-03-06John F ReedBUY$1K–$15K$157.71$622.18 2026-08-28+294.5%
2017-01-19James B. RenacciBUY$1K–$15K$144.32$622.18 2026-08-28+331.1%
2016-12-30Dwight EvansBUY$15K–$50K$141.10$622.18 2026-08-28+340.9%
2016-12-30Carlos Mr CurbeloBUY$1K–$15K$141.10$622.18 2026-08-28+340.9%
2016-12-19David E. PriceBUY$1K–$15K$141.25$622.18 2026-08-28+340.5%
2016-12-02James B. RenacciBUY$1K–$15K$141.91$622.18 2026-08-28+338.4%
2016-11-29James B. RenacciBUY$1K–$15K$141.27$622.18 2026-08-28+340.4%
2016-11-23John F ReedBUY$1K–$15K$143.51$622.18 2026-08-28+333.5%
2016-11-23John F ReedBUY$1K–$15K$143.51$622.18 2026-08-28+333.5%
2016-11-15Kurt SchraderBUY$1K–$15K$148.66$622.18 2026-08-28+318.5%
2016-10-13David E. PriceBUY$1K–$15K$152.03$622.18 2026-08-28+309.3%
2016-09-22John F ReedBUY$1K–$15K$157.66$622.18 2026-08-28+294.6%
2016-09-12James B. RenacciBUY$1K–$15K$146.40$622.18 2026-08-28+325.0%
2016-09-12John F ReedBUY$1K–$15K$146.40$622.18 2026-08-28+325.0%
2016-08-03James B. RenacciBUY$1K–$15K$156.00$622.18 2026-08-28+298.8%
2016-08-03David E. PriceBUY$1K–$15K$156.00$622.18 2026-08-28+298.8%
2015-11-05James B. RenacciBUY$1K–$15K$134.95$622.18 2026-08-28+361.0%
2015-10-23James B. RenacciBUY$1K–$15K$126.47$622.18 2026-08-28+392.0%
2015-10-15James B. RenacciBUY$1K–$15K$125.47$622.18 2026-08-28+395.9%
2015-09-22James B. RenacciBUY$1K–$15K$125.25$622.18 2026-08-28+396.8%
2015-09-21Diane BlackBUY$1K–$15K$126.33$622.18 2026-08-28+392.5%
2015-09-18David B. McKinleyBUY$15K–$50K$125.78$622.18 2026-08-28+394.7%
2015-07-28Diane BlackBUY$1K–$15K$138.65$622.18 2026-08-28+348.7%
2013-04-18SUSAN M COLLINSBUY$1K–$15K$80.08$622.18 2026-08-28+677.0%
2013-04-03SHELDON WHITEHOUSEBUY$1K–$15K$78.10$622.18 2026-08-28+696.6%
2013-03-19SUSAN M COLLINSBUY$1K–$15K$77.41$622.18 2026-08-28+703.8%
Kurt SchraderBUY$1K–$15K

Buys are marked to the latest close and treated as open. A sell tagged rt closes an earlier disclosed buy in the same name. exit shows how the stock moved after the member sold.

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Frequently asked — Thermo Fisher Scientific Inc (TMO) congressional trades

Which lawmakers have traded Thermo Fisher Scientific Inc (TMO)?

35 members of the U.S. House and Senate have disclosed Thermo Fisher Scientific Inc transactions under the STOCK Act — 60 purchases and 39 sales. The full member-by-member breakdown, with dates and dollar ranges, is in the table above.

Which lawmakers bought TMO recently?

No member of Congress has disclosed a TMO purchase in the last 90 days. STOCK Act filings lag the trade by up to 45 days, so newer buys may still be pending disclosure.

How have Congress's TMO trades performed?

Notional-weighted, lawmakers' disclosed TMO buys are up 27.8% versus the latest close of $622.18. Each trade's own return — and realized round-trips on matched sells — is in the Return column.

Is it legal for members of Congress to trade Thermo Fisher Scientific Inc?

Yes. Under the 2012 STOCK Act, members of Congress may buy and sell individual stocks but must publicly disclose each transaction within 45 days. Bargo surfaces those filings so you can see who traded TMO and how it performed.

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