Thermo Fisher Scientific Inc.

TMO

Exchange: NYSE
Industry: Measuring & Controlling Devices, NEC
SEC CIK: 0000097745

SEC filings (opens in a new tab)

In the last 90 days, Thermo Fisher Scientific Inc. insiders filed 0 open-market purchases and 11 sales; 2,628 institutions reported holding it in 13F filings for Q2 2026, worth $169.2B in total; 6 superinvestors hold it, including Viking Global Investors and D1 Capital Partners.

13F holders, Q3 2026

Institutional positions in Thermo Fisher Scientific Inc. as of Sep 30, 2026. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works

Q3 2026 data is still coming in (13F filing deadline: Nov 16, 2026), so these numbers are incomplete.

Institutional holders: 15; +3 vs. Q2 2026
Shares held: 107.3K; −20.5K (−16.1%) vs. Q2 2026
Total value: $72.4M; +$8.35M (+13.0%) vs. Q2 2026
New holders: 3; 3 more added
Sold out: 0; 7 more reduced

2,616 institutions that held it in Q2 2026 haven't filed for Q3 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q2 2026: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting TMO on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.

Institutional holders

Value held

Institutions holding TMO and their total value by quarter
Quarter	Holders	Value
Q2 2026	2,628	$169.2B
Q1 2026	2,612	$164.1B
Q4 2025	2,707	$199.1B
Q3 2025	2,515	$160.7B
Q2 2025	2,460	$135.6B
Q1 2025	2,576	$167.8B
Q4 2024	2,624	$176.4B
Q3 2024	2,579	$208.3B
Q2 2024	2,553	$187.5B
Q1 2024	2,534	$196.3B
Q4 2023	2,495	$181.6B
Q3 2023	2,369	$173.1B
Q2 2023	2,391	$177.8B
Q1 2023	2,390	$196.1B
Q4 2022	2,378	$190.1B
Q3 2022	2,269	$175.3B
Q2 2022	2,286	$186.4B
Q1 2022	2,320	$203.3B
Q4 2021	2,347	$230.1B
Q3 2021	2,135	$197.5B
Q2 2021	2,082	$172.9B
Q1 2021	2,046	$157.2B

Institutions, Q3 2026

Shares, value and share of portfolio for each institution holding Thermo Fisher Scientific Inc.; share changes are against Q2 2026.

Institutions holding TMO in Q3 2026
Institution	Shares	Value	% of portfolio	Change in shares	Action
Westerkirk Capital Inc.	–	–	–	–	Not filed
Prospera Financial Services Inc	–	–	–	–	Not filed
Parkside Investments, LLC	–	–	–	–	Not filed
Lincluden Management Ltd	–	–	–	–	Not filed
Picton Mahoney Asset Management	–	–	–	–	Not filed
Perennial Advisors, LLC	–	–	–	–	Not filed
Hudson Value Partners, LLC	–	–	–	–	Not filed
Callan Family Office, LLC	–	–	–	–	Not filed
Pensionmark Financial Group, LLC	–	–	–	–	Not filed
Dai-Ichi Life Insurance Company, Ltd	–	–	–	–	Not filed
LRZ Capital LLC	–	–	–	–	Not filed
Iyo Bank, Ltd.	–	–	–	–	Not filed
Entropy Technologies, LP	–	–	–	–	Not filed
Bokf, NA	–	–	–	–	Not filed
AG2R la Mondiale Gestion D'Actifs	–	–	–	–	Not filed
Campbell & CO Investment Adviser LLC	–	–	–	–	Not filed
Ramsay, Stattman, Vela & Price, Inc.	–	–	–	–	Not filed
Cinctive Capital Management LP	–	–	–	–	Not filed
HRT Financial LP	–	–	–	–	Not filed
Jacobs & Co	–	–	–	–	Not filed
1st Source Bank	–	–	–	–	Not filed
Gabelli Funds LLC	–	–	–	–	Not filed
EP Wealth Advisors, LLC	–	–	–	–	Not filed
Cincinnati Specialty Underwriters Insurance CO	–	–	–	–	Not filed
Everett Harris & Co	–	–	–	–	Not filed
Carmignac Gestion	–	–	–	–	Not filed
Brinker Capital Investments, LLC	–	–	–	–	Not filed
Vestmark Advisory Solutions, Inc.	–	–	–	–	Not filed
Anchor Capital Advisors LLC	–	–	–	–	Not filed
Hamilton Capital Partners Inc.	–	–	–	–	Not filed
Bragg Financial Advisors, Inc	–	–	–	–	Not filed
Quadrature Capital Ltd	–	–	–	–	Not filed
Gibraltar Capital Management, Inc.	–	–	–	–	Not filed
Kestra Private Wealth Services, LLC	–	–	–	–	Not filed
Verdence Capital Advisors LLC	–	–	–	–	Not filed
Whalerock Point Partners, LLC	–	–	–	–	Not filed
Hudson Valley Investment Advisors Inc	–	–	–	–	Not filed
Horizon Investments, LLC	–	–	–	–	Not filed
Baader Bank INC	–	–	–	–	Not filed
Allianz SE	–	–	–	–	Not filed
Sequoia Financial Advisors, LLC	–	–	–	–	Not filed
Laird Norton Trust Company, LLC	–	–	–	–	Not filed
Graybill Bartz & Assoc Ltd	–	–	–	–	Not filed
Aviance Capital Partners, LLC	–	–	–	–	Not filed
Nippon Life Global Investors Americas, Inc.	–	–	–	–	Not filed
Mendel Money Management	–	–	–	–	Not filed
Lockheed Martin Investment Management Co	–	–	–	–	Not filed
Harbour Trust & Investment Management Co	–	–	–	–	Not filed
Woodstock Corp	–	–	–	–	Not filed
Dnca Finance	–	–	–	–	Not filed
Equitable Holdings, Inc.	–	–	–	–	Not filed
Van Den Berg Management I, Inc	–	–	–	–	Not filed
Martin Investment Management, LLC	–	–	–	–	Not filed
Quadrant Capital Group LLC	–	–	–	–	Not filed
Westfield Capital Management Co LP	–	–	–	–	Not filed
MMBG Investment Advisors Co.	–	–	–	–	Not filed
Botty Investors LLC	–	–	–	–	Not filed
Amica Mutual Insurance Co	–	–	–	–	Not filed
Security National Bank	–	–	–	–	Not filed
Fideuram - Intesa Sanpaolo Private Banking S.P.A.	–	–	–	–	Not filed
Tema ETFs LLC	–	–	–	–	Not filed
Virginia Retirement Systems Et Al	–	–	–	–	Not filed
RNC Capital Management LLC	–	–	–	–	Not filed
Linden Thomas Advisory Services, LLC	–	–	–	–	Not filed
Principal Securities, Inc.	–	–	–	–	Not filed
Evergreen Private Wealth LLC	–	–	–	–	Not filed
Greystone Financial Group, LLC	–	–	–	–	Not filed
Tokio Marine Asset Management Co Ltd	–	–	–	–	Not filed
Empirical Finance, LLC	–	–	–	–	Not filed
Kennedy Capital Management, Inc.	–	–	–	–	Not filed
Resources Investment Advisors, LLC.	–	–	–	–	Not filed
Suvretta Capital Management, LLC	–	–	–	–	Not filed
Codex Capital Asset Management L.L.C.	–	–	–	–	Not filed
Catalytic Wealth RIA, LLC	–	–	–	–	Not filed
Thames Capital Management LLC	–	–	–	–	Not filed
Penobscot Investment Management Company, Inc.	–	–	–	–	Not filed
Grimes & Company, Inc.	–	–	–	–	Not filed
Farther Finance Advisors, LLC	–	–	–	–	Not filed
Summit Trail Advisors, LLC	–	–	–	–	Not filed
Advisory Services Network, LLC	–	–	–	–	Not filed
Segall Bryant & Hamill, LLC	–	–	–	–	Not filed
Live Oak Private Wealth LLC	–	–	–	–	Not filed
Bridgewater Associates, LP	–	–	–	–	Not filed
Cornerstone Advisors, LLC	–	–	–	–	Not filed
WealthBridge Investment Counsel Inc.	–	–	–	–	Not filed
EFG International AG	–	–	–	–	Not filed
Siemens Fonds Invest GmbH	–	–	–	–	Not filed
Blue Zone Wealth Advisors, LLC	–	–	–	–	Not filed
Mission Wealth Management, LP	–	–	–	–	Not filed
Ashton Thomas Private Wealth, LLC	–	–	–	–	Not filed
Patton Albertson Miller Group, LLC	–	–	–	–	Not filed
Private Advisor Group, LLC	–	–	–	–	Not filed
Mount Yale Investment Advisors, LLC	–	–	–	–	Not filed
Benjamin Edwards Inc	–	–	–	–	Not filed
Gluskin Sheff & Assoc Inc	–	–	–	–	Not filed
SRS Capital Advisors, Inc.	–	–	–	–	Not filed
Whittier Trust Co of Nevada Inc	–	–	–	–	Not filed
Guinness Atkinson Asset Management Inc	–	–	–	–	Not filed
Bell Asset Management Ltd	–	–	–	–	Not filed
Reliant Investment Management, LLC	–	–	–	–	Not filed