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: 8; +1 vs. Q2 2026
Shares held: 99.6K; −7.13K (−6.7%) vs. Q2 2026
Total value: $67.2M; +$13.7M (+25.6%) vs. Q2 2026
New holders: 1; 0 more added
Sold out: 0; 5 more reduced

2,621 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	2,708	$199.1B
Q3 2025	2,515	$160.7B
Q2 2025	2,460	$135.6B
Q1 2025	2,577	$167.8B
Q4 2024	2,625	$176.4B
Q3 2024	2,580	$208.3B
Q2 2024	2,554	$187.5B
Q1 2024	2,535	$196.3B
Q4 2023	2,496	$181.6B
Q3 2023	2,370	$173.1B
Q2 2023	2,392	$177.8B
Q1 2023	2,391	$196.1B
Q4 2022	2,379	$190.1B
Q3 2022	2,270	$175.3B
Q2 2022	2,287	$186.4B
Q1 2022	2,321	$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
Citadel Advisors LLC	–	–	–	–	Not filed
California State Teachers Retirement System	–	–	–	–	Not filed
Principal Financial Group Inc	–	–	–	–	Not filed
CIBC Bancorp USA Inc.	–	–	–	–	Not filed
Eurizon Capital SGR S.p.A.	–	–	–	–	Not filed
Handelsbanken Fonder AB	–	–	–	–	Not filed
Natixis Advisors, L.P.	–	–	–	–	Not filed
APG Asset Management N.V.	–	–	–	–	Not filed
Longview Partners (Guernsey) LTD	–	–	–	–	Not filed
Allianz Asset Management GmbH	–	–	–	–	Not filed
Lindsell Train LtdSuperinvestorLindsell Train	–	–	–	–	Not filed
Southpoint Capital Advisors LP	–	–	–	–	Not filed
Qube Research & Technologies Ltd	–	–	–	–	Not filed
Loring Wolcott & Coolidge Fiduciary Advisors LLP	–	–	–	–	Not filed
Jones Financial Companies LLLP	–	–	–	–	Not filed
Ci Investments Inc.	–	–	–	–	Not filed
National Bank of Canada	–	–	–	–	Not filed
Standard Life Aberdeen plc	–	–	–	–	Not filed
B. Metzler seel. Sohn & Co. AG	–	–	–	–	Not filed
Balyasny Asset Management LLC	–	–	–	–	Not filed
Kempen Capital Management N.V.	–	–	–	–	Not filed
Royal London Asset Management Ltd	–	–	–	–	Not filed
M&G Plc	–	–	–	–	Not filed
Rockefeller Capital Management L.P.	–	–	–	–	Not filed
Cryder Capital Partners LLP	–	–	–	–	Not filed
Fifth Third Bancorp	–	–	–	–	Not filed
Ensign Peak Advisors, Inc	–	–	–	–	Not filed
New York State Common Retirement Fund	–	–	–	–	Not filed
Adage Capital Partners GP, L.L.C.	–	–	–	–	Not filed
Aviva PLC	–	–	–	–	Not filed
Great West Life Assurance Co	–	–	–	–	Not filed
Veritas Investment Partners (UK) Ltd.	–	–	–	–	Not filed
Alyeska Investment Group, L.P.	–	–	–	–	Not filed
Universal- Beteiligungs- und Servicegesellschaft mbH	–	–	–	–	Not filed
Liontrust Investment Partners LLP	–	–	–	–	Not filed
Nomura Asset Management International Inc.	–	–	–	–	Not filed
Railway Pension Investments Ltd	–	–	–	–	Not filed
Alecta Pensionsforsakring, Omsesidigt	–	–	–	–	Not filed
Select Equity Group, L.P.	–	–	–	–	Not filed
PGGM Investments	–	–	–	–	Not filed
Candriam Luxembourg S.C.A.	–	–	–	–	Not filed
Mondrian Investment Partners LTD	–	–	–	–	Not filed
Assenagon Asset Management S.A.	–	–	–	–	Not filed
Bristol John W & Co Inc	–	–	–	–	Not filed
Russell Investments Group, Ltd.	–	–	–	–	Not filed
BNP PARIBAS ASSET MANAGEMENT Holding S.A.	–	–	–	–	Not filed
Mackenzie Financial Corp	–	–	–	–	Not filed
Groupama Asset Managment	–	–	–	–	Not filed
LPL Financial LLC	–	–	–	–	Not filed
Nomura Asset Management Co Ltd	–	–	–	–	Not filed
State Board of Administration of Florida Retirement System	–	–	–	–	Not filed
Compagnie Lombard Odier SCmA	–	–	–	–	Not filed
Woodline Partners LP	–	–	–	–	Not filed
Quilter Plc	–	–	–	–	Not filed
Van Eck Associates Corp	–	–	–	–	Not filed
Canoe Financial LP	–	–	–	–	Not filed
Menora Mivtachim Holdings Ltd.	–	–	–	–	Not filed
Local Pensions Partnership Investment Ltd	–	–	–	–	Not filed
Chevy Chase Trust Holdings, Inc.	–	–	–	–	Not filed
New York State Teachers Retirement System	–	–	–	–	Not filed
Credit Agricole S A	–	–	–	–	Not filed
Route One Investment Company, L.P.	–	–	–	–	Not filed
Blue Sparrow, LLC	–	–	–	–	Not filed
Point72 Asset Management, L.P.	–	–	–	–	Not filed
Korea Investment CORP	–	–	–	–	Not filed
Keybank National Association	–	–	–	–	Not filed
Jennison Associates LLC	–	–	–	–	Not filed
Sarasin & Partners LLP	–	–	–	–	Not filed
Evercore Wealth Management, LLC	–	–	–	–	Not filed
Bradley Foster & Sargent Inc	–	–	–	–	Not filed
SEI Investments Co	–	–	–	–	Not filed
Voya Investment Management LLC	–	–	–	–	Not filed
AQR Capital Management LLC	–	–	–	–	Not filed
Commerce Bank	–	–	–	–	Not filed
Zurcher Kantonalbank (Zurich Cantonalbank)	–	–	–	–	Not filed
Diamond Hill Capital Management Inc	–	–	–	–	Not filed
Prudential Financial Inc	–	–	–	–	Not filed
First Pacific Advisors, LP	–	–	–	–	Not filed
Natixis	–	–	–	–	Not filed
Danske Bank A/S	–	–	–	–	Not filed
TD Asset Management Inc	–	–	–	–	Not filed
The PNC Financial Services Group, Inc.	–	–	–	–	Not filed
STRS Ohio	–	–	–	–	Not filed
James Hambro & Partners	–	–	–	–	Not filed
Freestone Grove Partners LP	–	–	–	–	Not filed
Dixon Mitchell Investment Counsel Inc.	–	–	–	–	Not filed
Douglas Lane & Associates, LLC	–	–	–	–	Not filed
Jupiter Asset Management Ltd	–	–	–	–	Not filed
Haverford Trust Co	–	–	–	–	Not filed
Great Lakes Advisors, LLC	–	–	–	–	Not filed
Storebrand Asset Management AS	–	–	–	–	Not filed
CIBC Asset Management Inc	–	–	–	–	Not filed
Caisse de Depot Et Placement du Quebec	–	–	–	–	Not filed
Perpetual Ltd	–	–	–	–	Not filed
Bank of Nova Scotia	–	–	–	–	Not filed
Mitsubishi UFJ Trust & Banking Corp	–	–	–	–	Not filed
Quantinno Capital Management LP	–	–	–	–	Not filed
SEB Asset Management AB	–	–	–	–	Not filed
Retirement Systems of Alabama	–	–	–	–	Not filed
Cerity Partners LLC	–	–	–	–	Not filed