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
Trifecta Capital Advisors, LLC	–	–	–	–	Not filed
Park Avenue Securities LLC	–	–	–	–	Not filed
RSM US Wealth Management LLC	–	–	–	–	Not filed
Northwestern Mutual Investment Management Company, LLC	–	–	–	–	Not filed
Mirador Capital Partners LP	–	–	–	–	Not filed
Conning Inc.	–	–	–	–	Not filed
Schonfeld Strategic Advisors LLC	–	–	–	–	Not filed
Fideuram Asset Management (Ireland) dac	–	–	–	–	Not filed
Clear Harbor Asset Management, LLC	–	–	–	–	Not filed
Gilman Hill Asset Management, LLC	–	–	–	–	Not filed
Palisade Capital Management LLC	–	–	–	–	Not filed
IMC-Chicago, LLC	–	–	–	–	Not filed
Appleton Partners Inc	–	–	–	–	Not filed
First National Trust Co	–	–	–	–	Not filed
Ascent Group, LLC	–	–	–	–	Not filed
Brevan Howard Capital Management LP	–	–	–	–	Not filed
FourThought Financial Partners, LLC	–	–	–	–	Not filed
John G Ullman & Associates Inc	–	–	–	–	Not filed
MUFG Securities Americas Inc.	–	–	–	–	Not filed
Granite Investment Partners, LLC	–	–	–	–	Not filed
Fundamentun, LLC	–	–	–	–	Not filed
VELA Investment Management, LLC	–	–	–	–	Not filed
Kayne Anderson Rudnick Investment Management LLC	–	–	–	–	Not filed
Spinnaker Trust	–	–	–	–	Not filed
Coldstream Capital Management Inc	–	–	–	–	Not filed
Nordwand Advisors, LLC	–	–	–	–	Not filed
RKL Wealth Management LLC	–	–	–	–	Not filed
Inspire Trust Co, N.A.	–	–	–	–	Not filed
Boston Research & Management Inc	–	–	–	–	Not filed
North Dakota State Investment Board	–	–	–	–	Not filed
BCS Private Wealth Management, Inc.	–	–	–	–	Not filed
Hunter Associates Investment Management LLC	–	–	–	–	Not filed
ProVise Management Group, LLC	–	–	–	–	Not filed
Citizens Business Bank	–	–	–	–	Not filed
Morningstar Investment Management LLC	–	–	–	–	Not filed
Boston Partners	–	–	–	–	Not filed
ICICI Prudential Asset Management Co Ltd	–	–	–	–	Not filed
North Star Investment Management Corp.	–	–	–	–	Not filed
Advisors Asset Management, Inc.	–	–	–	–	Not filed
Metis Global Partners, LLC	–	–	–	–	Not filed
Marco Investment Management LLC	–	–	–	–	Not filed
NewEdge Wealth, LLC	–	–	–	–	Not filed
Legacy Private Trust Co.	–	–	–	–	Not filed
Kovitz Investment Group Partners, LLC	–	–	–	–	Not filed
Nixon Peabody Trust Co	–	–	–	–	Not filed
Brown Shipley& Co Ltd	–	–	–	–	Not filed
Securian Asset Management, Inc	–	–	–	–	Not filed
Phoenix Holdings Ltd.	–	–	–	–	Not filed
Greenleaf Trust	–	–	–	–	Not filed
Independent Advisor Alliance	–	–	–	–	Not filed
Pallas Capital Advisors LLC	–	–	–	–	Not filed
Verition Fund Management LLC	–	–	–	–	Not filed
Oliver Luxxe Assets LLC	–	–	–	–	Not filed
Invesco, LLC	–	–	–	–	Not filed
GF Fund Management Co. Ltd.	–	–	–	–	Not filed
Banque Cantonale Vaudoise	–	–	–	–	Not filed
Oversea-Chinese Banking CORP Ltd	–	–	–	–	Not filed
T. Rowe Price Investment Management, Inc.	–	–	–	–	Not filed
TD Private Client Wealth LLC	–	–	–	–	Not filed
Daymark Wealth Partners, LLC	–	–	–	–	Not filed
AlphaCore Capital LLC	–	–	–	–	Not filed
Old West Investment Management, LLC	–	–	–	–	Not filed
Rock Springs Capital Management LP	–	–	–	–	Not filed
Baldwin Investment Management, LLC	–	–	–	–	Not filed
Two Point Capital Management, Inc.	–	–	–	–	Not filed
Meridian Management Co	–	–	–	–	Not filed
Larson Financial Group LLC	–	–	–	–	Not filed
Kentucky Retirement Systems Insurance Trust Fund	–	–	–	–	Not filed
Burns J W & Co Inc	–	–	–	–	Not filed
SFMG, LLC	–	–	–	–	Not filed
Capital City Trust Co	–	–	–	–	Not filed
Montag A & Associates Inc	–	–	–	–	Not filed
German American Bancorp, Inc.	–	–	–	–	Not filed
Legal Advantage Investments, Inc.	–	–	–	–	Not filed
Vident Advisory, LLC	–	–	–	–	Not filed
Roberts Wealth Advisors, LLC	–	–	–	–	Not filed
Leelyn Smith, LLC	–	–	–	–	Not filed
Cincinnati Casualty Co	–	–	–	–	Not filed
Slow Capital, Inc.	–	–	–	–	Not filed
Hills Bank & Trust Co	–	–	–	–	Not filed
Harrington Investments, INC	–	–	–	–	Not filed
Choate Investment Advisors	–	–	–	–	Not filed
De Burlo Group Inc	–	–	–	–	Not filed
Plato Investment Management Ltd	–	–	–	–	Not filed
Meridian Wealth Advisors, LLC	–	–	–	–	Not filed
AdvisorNet Financial, Inc	–	–	–	–	Not filed
AdvisorShares Investments LLC	–	–	–	–	Not filed
Bamco Inc	–	–	–	–	Not filed
Brick & Kyle, Associates	–	–	–	–	Not filed
Capital Group Investment Management Pte. Ltd.	–	–	–	–	Not filed
R.H. Investment Group, LLC	–	–	–	–	Not filed
Watershed Asset Management, L.L.C.	–	–	–	–	Not filed
Tenere Capital LLC	–	–	–	–	Not filed
Brown, Lisle/Cummings, Inc.	–	–	–	–	Not filed
Vise Technologies, Inc.	–	–	–	–	Not filed
Peloton Wealth Strategists	–	–	–	–	Not filed
Reynders McVeigh Capital Management, LLC	–	–	–	–	Not filed
Reuter James Wealth Management, LLC	–	–	–	–	Not filed
CAPROCK Group, Inc.	–	–	–	–	Not filed
Arkadios Wealth Advisors	–	–	–	–	Not filed