TMO

THERMO FISHER SCIENTIFIC INC. · Wikipedia · Yahoo Finance chart ↗

Price

Last close: $697.00Last update Oct 30, 2026
12-month high: $711.85
12-month low: $435.27

Reported holders

Politicians whose newest complete holdings report lists this stock, or who reported buying it after that report (or at any time, if they have no usable report). A later full sale that could have closed the position removes them.

Name	Purchased	Price that day	ROI
Alan Armstrong	Mar 27, 2026	$473.36	+47.25%
Mark Harris	Held as of Dec 31, 2025 (holdings report)	Not available	Not available
Susan M Collins Rank #42	Held as of Dec 31, 2025 (holdings report)	Not available	Not available
Kelly Louise Morrison Rank #91	Held as of Dec 31, 2025 (holdings report)	Not available	Not available
John McGuire Rank #31	Held as of Dec 31, 2025 (holdings report)	Not available	Not available
Dwight Evans Rank #18	Held as of Dec 31, 2025 (holdings report)	Not available	Not available
Gilbert Cisneros Rank #23	Held as of Dec 31, 2025 (holdings report)	Not available	Not available
William R. Keating Rank #117	Held as of Dec 31, 2025 (holdings report)	Not available	Not available
Kevin Hern Rank #80	Held as of Dec 31, 2025 (holdings report)	Not available	Not available
Julie Johnson Rank #41	Held as of Dec 31, 2025 (holdings report)	Not available	Not available
Julia Letlow Rank #8	Jul 25, 2025	$478.32	+45.72%
Rob Bresnahan Rank #94	May 15, 2025	$404.93	+72.13%
Markwayne Mullin	May 13, 2025	$428.95	+62.49%
Thomas H. Kean Jr. Rank #90	May 5, 2025	$422.27	+65.06%
Kathy Manning Rank #16	Oct 12, 2022	$500.67	+39.21%

Prices are the market close on the purchase date; exact purchase prices are not disclosed. ROI is the percentage gain or loss from that price to the last close. Holders listed from a holdings report alone have no purchase date, so no price or ROI.

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Public-equity transactions, newest transaction dates first
Ticker	Politician Name	Transaction Type	Trade Date	Found Date
TMO — Thermo Fisher Scientific Inc Common Stock (TMO) [ST], Dan Newhouse, sale, Jul 10, 2026	Dan Newhouse Rank #74	Sale	Jul 10, 2026	Sep 11, 2026
TMO — Thermo Fisher Scientific Inc Common Stock (TMO) [ST], Dwight Evans, sale, May 7, 2026	Dwight Evans Rank #18	Sale	May 7, 2026	Sep 11, 2026
TMO — Thermo Fisher Scientific Inc Common Stock, Alan Armstrong, purchase, Mar 27, 2026	Alan Armstrong	Purchase	Mar 27, 2026	Sep 11, 2026
TMO — Thermo Fisher Scientific Inc Common Stock (TMO) [ST], Lisa McClain, sale, Oct 31, 2025	Lisa McClain Rank #2	Sale	Oct 31, 2025	Sep 11, 2026
TMO — Thermo Fisher Scientific Inc Common Stock (TMO) [ST], Lisa McClain, sale, Oct 30, 2025	Lisa McClain Rank #2	Sale	Oct 30, 2025	Sep 11, 2026
TMO — Thermo Fisher Scientific Inc Common Stock (TMO) [ST], Lisa McClain, purchase, Oct 30, 2025	Lisa McClain Rank #2	Purchase	Oct 30, 2025	Sep 11, 2026
TMO — Thermo Fisher Scientific Inc Common Stock (TMO) [ST], Valerie Hoyle, sale, Sep 23, 2025	Valerie Hoyle Rank #15	Sale	Sep 23, 2025	Sep 11, 2026
TMO — Thermo Fisher Scientific, Inc. (TMO), Zinberg, Joel M, sale, Sep 9, 2025	Zinberg, Joel M	Sale	Sep 9, 2025	Sep 11, 2026
TMO — Thermo Fisher Scientific Inc Common Stock (TMO) [ST], Kelly Louise Morrison, sale, Aug 19, 2025	Kelly Louise Morrison Rank #91	Sale	Aug 19, 2025	Sep 11, 2026
TMO — Thermo Fisher Scientific Inc Common Stock (TMO) [ST], Julia Letlow, purchase, Jul 25, 2025	Julia Letlow Rank #8	Purchase	Jul 25, 2025	Sep 11, 2026
TMO — Thermo Fisher Scientific Inc Common Stock (TMO) [ST], Lisa McClain, purchase, Jul 22, 2025	Lisa McClain Rank #2	Purchase	Jul 22, 2025	Sep 11, 2026
TMO — Thermo Fisher Scientific Inc, Angus S King, Jr., sale, Jul 21, 2025	Angus S King, Jr. Rank #95	Sale	Jul 21, 2025	Sep 11, 2026
TMO — Thermo Fisher Scientific, Inc. (TMO), Bulazel, Alina, sale, Jul 14, 2025	Bulazel, Alina	Sale	Jul 14, 2025	Sep 11, 2026
TMO — Thermo Fisher Scientific Inc Common Stock (TMO) [ST], Lisa McClain, sale, Jun 10, 2025	Lisa McClain Rank #2	Sale	Jun 10, 2025	Sep 11, 2026
TMO — Thermo Fisher Scientific Inc Common Stock (TMO) [ST], Valerie Hoyle, purchase, Jun 6, 2025	Valerie Hoyle Rank #15	Purchase	Jun 6, 2025	Sep 11, 2026
TMO — Thermo Fisher Scientific Inc Common Stock (TMO) [ST], Richard W. Allen, sale, May 16, 2025	Richard W. Allen Rank #57	Sale	May 16, 2025	Sep 11, 2026
TMO — Thermo Fisher Scientific Inc Common Stock (TMO) [ST], Rob Bresnahan, purchase, May 15, 2025	Rob Bresnahan Rank #94	Purchase	May 15, 2025	Sep 11, 2026
TMO — Thermo Fisher Scientific Inc, Markwayne Mullin, purchase, May 13, 2025	Markwayne Mullin	Purchase	May 13, 2025	Oct 30, 2026
TMO — Thermo Fisher Scientific Inc Common Stock (TMO) [ST], Thomas H. Kean Jr., purchase, May 5, 2025	Thomas H. Kean Jr. Rank #90	Purchase	May 5, 2025	Sep 11, 2026
TMO — Thermo Fisher Scientific Inc Common Stock (TMO) [ST], Julia Letlow, sale, Apr 28, 2025	Julia Letlow Rank #8	Sale	Apr 28, 2025	Sep 11, 2026
TMO — Thermo Fisher Scientific Inc Common Stock (TMO) [ST], Bruce Westerman, sale, Apr 21, 2025	Bruce Westerman Rank #135	Sale	Apr 21, 2025	Sep 11, 2026
TMO — Thermo Fisher Scientific Inc Common Stock (TMO) [ST], Dan Newhouse, sale, Apr 11, 2025	Dan Newhouse Rank #74	Sale	Apr 11, 2025	Sep 11, 2026
TMO — Thermo Fisher Scientific Inc Common Stock (TMO) [ST], Richard W. Allen, sale, Apr 11, 2025	Richard W. Allen Rank #57	Sale	Apr 11, 2025	Sep 11, 2026
TMO — Thermo Fisher Scientific Inc, Markwayne Mullin, sale, Apr 8, 2025	Markwayne Mullin	Sale	Apr 8, 2025	Oct 30, 2026
TMO — Thermo Fisher Scientific Inc Common Stock (TMO) [ST], Rob Bresnahan, sale, Apr 8, 2025	Rob Bresnahan Rank #94	Sale	Apr 8, 2025	Sep 11, 2026
TMO — Thermo Fisher Scientific Inc Common Stock (TMO) [ST], Jefferson Shreve, sale, Apr 7, 2025	Jefferson Shreve Rank #124	Sale	Apr 7, 2025	Sep 11, 2026
TMO — Thermo Fisher Scientific Inc Common Stock (TMO) [ST], Julie Johnson, sale, Apr 7, 2025	Julie Johnson Rank #41	Sale	Apr 7, 2025	Sep 11, 2026
TMO — Thermo Fisher Scientific Inc Common Stock (TMO) [ST], Greg Landsman, sale, Mar 27, 2025	Greg Landsman Rank #64	Sale	Mar 27, 2025	Sep 11, 2026
TMO — Thermo Fisher Scientific Inc Common Stock (TMO) [ST], Bruce Westerman, purchase, Mar 3, 2025	Bruce Westerman Rank #135	Purchase	Mar 3, 2025	Sep 11, 2026
TMO — Thermo Fisher Scientific Inc Common Stock (TMO) [ST], Valerie Hoyle, sale, Mar 3, 2025	Valerie Hoyle Rank #15	Sale	Mar 3, 2025	Sep 11, 2026
TMO — Thermo Fisher Scientific Inc Common Stock (TMO) [ST], Rob Bresnahan, sale, Feb 25, 2025	Rob Bresnahan Rank #94	Sale	Feb 25, 2025	Sep 11, 2026
TMO — Thermo Fisher Scientific Inc Common Stock (TMO) [ST], Michael Rulli, sale, Dec 12, 2024	Michael Rulli Rank #37	Sale	Dec 12, 2024	Sep 11, 2026
TMO — Thermo Fisher Scientific Inc Common Stock (TMO) [ST], Lisa McClain, purchase, Dec 11, 2024	Lisa McClain Rank #2	Purchase	Dec 11, 2024	Sep 11, 2026
TMO — Thermo Fisher Scientific Inc Common Stock (TMO) [ST], Valerie Hoyle, purchase, Oct 29, 2024	Valerie Hoyle Rank #15	Purchase	Oct 29, 2024	Sep 11, 2026
TMO — Thermo Fisher Scientific Inc Common Stock (TMO) [ST], Julia Letlow, purchase, Oct 23, 2024	Julia Letlow Rank #8	Purchase	Oct 23, 2024	Sep 11, 2026
TMO — Thermo Fisher Scientific Inc Common Stock (TMO) [ST], Josh Gottheimer, purchase, Sep 10, 2024	Josh Gottheimer Rank #62	Purchase	Sep 10, 2024	Sep 11, 2026
TMO — Thermo Fisher Scientific Inc Common Stock (TMO) [ST], John James, sale, Sep 4, 2024	John James Rank #100	Sale	Sep 4, 2024	Sep 12, 2026
TMO — Thermo Fisher Scientific Inc Common Stock (TMO) [ST], John James, purchase, Mar 6, 2024	John James Rank #100	Purchase	Mar 6, 2024	Sep 12, 2026
TMO — Thermo Fisher Scientific Inc (TMO) [ST], John R Curtis, sale, Dec 4, 2023	John R Curtis Rank #43	Sale	Dec 4, 2023	Sep 12, 2026
TMO — Thermo Fisher Scientific Inc (TMO) [ST], Josh Gottheimer, sale, Nov 28, 2023	Josh Gottheimer Rank #62	Sale	Nov 28, 2023	Sep 12, 2026
TMO — Thermo Fisher Scientific Inc (TMO) [ST], Greg Stanton, sale, Oct 24, 2023	Greg Stanton Rank #88	Sale	Oct 24, 2023	Sep 12, 2026
TMO — Thermo Fisher Scientific Inc, Markwayne Mullin, purchase, Oct 3, 2023	Markwayne Mullin	Purchase	Oct 3, 2023	Oct 30, 2026
TMO — Thermo Fisher Scientific Inc (TMO) [ST], Greg Stanton, purchase, Sep 26, 2023	Greg Stanton Rank #88	Purchase	Sep 26, 2023	Sep 12, 2026
TMO — Thermo Fisher Scientific Inc, Markwayne Mullin, purchase, Sep 13, 2023	Markwayne Mullin	Purchase	Sep 13, 2023	Oct 30, 2026
TMO — Thermo Fisher Scientific Inc (TMO) [ST], Lois Frankel, sale, Sep 8, 2023	Lois Frankel Rank #106	Sale	Sep 8, 2023	Sep 12, 2026
TMO — Thermo Fisher Scientific Inc, Daniel S Sullivan, sale, Aug 22, 2023	Daniel S Sullivan Rank #121	Sale	Aug 22, 2023	Sep 12, 2026
TMO — Thermo Fisher Scientific Inc (TMO) [ST], Daniel Goldman, sale, Jul 12, 2023	Daniel Goldman Rank #76	Sale	Jul 12, 2023	Sep 12, 2026
TMO — Thermo Fisher Scientific Inc (TMO) [ST], Lois Frankel, sale, Jun 28, 2023	Lois Frankel Rank #106	Sale	Jun 28, 2023	Sep 12, 2026
TMO — Thermo Fisher Scientific Inc (TMO) [ST], Zoe Lofgren, sale, May 25, 2023	Zoe Lofgren Rank #122	Sale	May 25, 2023	Sep 12, 2026
TMO — Thermo Fisher Scientific Inc Common Stock, Thomas R. Carper, sale, Apr 26, 2023	Thomas R. Carper	Sale	Apr 26, 2023	Oct 30, 2026