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: 31; +3 vs. Q2 2026
Shares held: 384.1K; −36.8K (−8.8%) vs. Q2 2026
Total value: $259.3M; +$48.2M (+22.9%) vs. Q2 2026
New holders: 3; 7 more added
Sold out: 0; 16 more reduced

2,600 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
Acadian Asset Management LLC	–	–	–	–	Not filed
Sterling Investment Counsel, LLC	–	–	–	–	Not filed
Clarkston Capital Partners, LLC	–	–	–	–	Not filed
Kingswood Wealth Advisors, LLC	–	–	–	–	Not filed
Aster Capital Management (DIFC) Ltd	–	–	–	–	Not filed
Guerra Pan Advisors, LLC	–	–	–	–	Not filed
Lineweaver Wealth Advisors, LLC	–	–	–	–	Not filed
Portfolio Design Labs, LLC	–	–	–	–	Not filed
Machina Capital S.A.S.	–	–	–	–	Not filed
Valley Brook Capital Group	–	–	–	–	Not filed
First Nebraska Trust Co	–	–	–	–	Not filed
Harbor Advisors LLC	–	–	–	–	Not filed
Prospect Hill Management, LLC	–	–	–	–	Not filed
Ramirez Asset Management, Inc.	–	–	–	–	Not filed
MeadowBrook Investment Advisors LLC	–	–	–	–	Not filed
Meiji Yasuda Life Insurance Co	–	–	–	–	Not filed
Westpac Banking Corp	–	–	–	–	Not filed
Pathway Wealth Management LLC	–	–	–	–	Not filed
Cypress Asset Management Inc	–	–	–	–	Not filed
National Asset Management, Inc.	–	–	–	–	Not filed
Diversified Enterprises, LLC	–	–	–	–	Not filed
Rench Wealth Management, Inc.	–	–	–	–	Not filed
MidFirst Bank	–	–	–	–	Not filed
Icon Wealth Advisors, LLC	–	–	–	–	Not filed
Cooper Financial Group	–	–	–	–	Not filed
Arista Wealth Management, LLC	–	–	–	–	Not filed
Cim Investment Mangement Inc	–	–	–	–	Not filed
Triangle Securities Wealth Management	–	–	–	–	Not filed
Marble Wealth, LLC	–	–	–	–	Not filed
Core Alternative Capital	–	–	–	–	Not filed
Focus Financial Network, Inc.	–	–	–	–	Not filed
Washington Trust Advisors, Inc.	–	–	–	–	Not filed
CNB Bank	–	–	–	–	Not filed
Delta Financial Advisors LLC	–	–	–	–	Not filed
University of Texas/Texas Am Investment Managment Co	–	–	–	–	Not filed
Strategic Advisors LLC	–	–	–	–	Not filed
Family Legacy, Inc.	–	–	–	–	Not filed
Spirepoint Private Client, LLC	–	–	–	–	Not filed
ARS Investment Partners, LLC	–	–	–	–	Not filed
Dynamic Advisor Solutions LLC	–	–	–	–	Not filed
LGT Group Foundation	–	–	–	–	Not filed
Ledyard National Bank	–	–	–	–	Not filed
Turtle Creek Wealth Advisors, LLC	–	–	–	–	Not filed
E Fund Management Co., Ltd.	–	–	–	–	Not filed
BankPlus Trust Department	–	–	–	–	Not filed
Integral Investment Advisors, Inc.	–	–	–	–	Not filed
Stratos Wealth Advisors, LLC	–	–	–	–	Not filed
Bridgewater Advisors Inc.	–	–	–	–	Not filed
Prudent Man Advisors, LLC	–	–	–	–	Not filed
First Interstate Bank	–	–	–	–	Not filed
Boit C F David	–	–	–	–	Not filed
Checchi Capital Advisers, LLC	–	–	–	–	Not filed
Cassaday & Co Wealth Management LLC	–	–	–	–	Not filed
Valeo Financial Advisors, LLC	–	–	–	–	Not filed
Park Place Capital Corp	–	–	–	–	Not filed
Glass Wealth Management Co LLC	–	–	–	–	Not filed
Frec Markets, Inc.	–	–	–	–	Not filed
Moors & Cabot, Inc.	–	–	–	–	Not filed
Y-Intercept (Hong Kong) Ltd	–	–	–	–	Not filed
Allegheny Financial Group LTD	–	–	–	–	Not filed
Csenge Advisory Group	–	–	–	–	Not filed
Mayflower Financial Advisors, LLC	–	–	–	–	Not filed
DAGCO, Inc.	–	–	–	–	Not filed
WBI Investments	–	–	–	–	Not filed
Independence Bank of Kentucky	–	–	–	–	Not filed
Caisse des Depots Et Consignations	–	–	–	–	Not filed
New England Research & Management, Inc.	–	–	–	–	Not filed
SummitTX Capital, L.P.	–	–	–	–	Not filed
Mechanics Bank Trust Department	–	–	–	–	Not filed
Commons Capital, LLC	–	–	–	–	Not filed
CenterBook Partners LP	–	–	–	–	Not filed
Continuum Advisory, LLC	–	–	–	–	Not filed
Castle Wealth Management LLC	–	–	–	–	Not filed
Westhampton Capital, LLC	–	–	–	–	Not filed
Archford Capital Strategies, LLC	–	–	–	–	Not filed
Cypress Capital Group	–	–	–	–	Not filed
Covenant Asset Management, LLC	–	–	–	–	Not filed
AlTi Global, Inc.	–	–	–	–	Not filed
Twin Capital Management Inc	–	–	–	–	Not filed
Howard Capital Management Inc.	–	–	–	–	Not filed
South Plains Financial, Inc.	–	–	–	–	Not filed
Kennondale Capital Management LLC	–	–	–	–	Not filed
Clean Yield Group	–	–	–	–	Not filed
HF Advisory Group, LLC	–	–	–	–	Not filed
Alpine Woods Capital Investors, LLC	–	–	–	–	Not filed
Qsemble Capital Management, LP	–	–	–	–	Not filed
LS Investment Advisors, LLC	–	–	–	–	Not filed
Navalign, LLC	–	–	–	–	Not filed
Strong Retirement Solutions LLC	–	–	–	–	Not filed
Guardian Capital LP	–	–	–	–	Not filed
Boston Private Wealth LLC	–	–	–	–	Not filed
Livforsakringsbolaget Skandia, Omsesidigt	–	–	–	–	Not filed
V-Square Quantitative Management LLC	–	–	–	–	Not filed
Ronald Blue Trust, Inc.	–	–	–	–	Not filed
HBW Advisory Services LLC	–	–	–	–	Not filed
Supplemental Annuity Collective Trust of NJ	–	–	–	–	Not filed
Tyche Wealth Partners LLC	–	–	–	–	Not filed
First Financial Corp	–	–	–	–	Not filed
Murphy Pohlad Asset Management LLC	–	–	–	–	Not filed
Beutel, Goodman & Co Ltd.	–	–	–	–	Not filed