Institutional shares held 342 Million
2.02M calls
2.75M puts
Total value of holdings $147B
$868M calls
$1.18B puts
Market Cap $168B
391,788,992 Shares Out.
Institutional ownership 87.33%
# of Institutions 2,907


Latest Institutional Activity in TMO

Top Purchases

Q1 2025
Assenagon Asset Management S.A. Shares Held: 154K ($65.9M)
Q1 2025
Vontobel Holding Ltd. Shares Held: 1.04M ($447M)
Q1 2025
Manning & Napier Advisors LLC Shares Held: 363K ($156M)
Q1 2025
Robeco Institutional Asset Management B.V. Shares Held: 692K ($297M)
Q1 2025
Flossbach Von Storch Ag Shares Held: 1.41M ($606M)

Top Sells

Q1 2025
Gamma Investing LLC Shares Held: 4.86K ($2.09M)
Q1 2025
Impax Asset Management Group PLC Shares Held: 193K ($82.7M)
Q1 2025
Cohen Investment Advisors LLC Shares Held: 5.92K ($2.54M)
Q1 2025
Sarasin & Partners LLP Shares Held: 376K ($161M)
Q1 2025
Banque Pictet & Cie Sa Shares Held: 67.3K ($28.9M)

About TMO

Thermo Fisher Scientific Inc. offers life sciences solutions, analytical instruments, specialty diagnostics, and laboratory products and service worldwide. The company's Life Sciences Solutions segment offers reagents, instruments, and consumables for biological and medical research, discovery, and production of drugs and vaccines, as well as diagnosis of infections and diseases to pharmaceutical, biotechnology, agricultural, clinical, healthcare, academic, and government markets. Its Analytical Instruments segment provides instruments, consumables, software, and services for use in laboratory, on production line, and in field for pharmaceutical, biotechnology, academic, government, environmental, and other research and industrial markets, as well as clinical laboratories. The company's Specialty Diagnostics segment offers liquid, ready-to-use, and lyophilized immunodiagnostic reagent kits, as well as calibrators, controls, and calibration verification fluids; ImmunoCAP for allergy and asthma tests, and EliA for autoimmunity tests; dehydrated and prepared culture media, collection and transport systems, instrumentation, and consumables; human leukocyte antigen typing and testing for organ transplant market; and healthcare products. Its Laboratory Products and Services segment provides laboratory refrigerators and freezers, ultralow-temperature freezers, and cryopreservation storage tanks; temperature control, sample preparation and preservation, centrifugation, and biological safety cabinet products; water analysis instruments; laboratory plastics products; laboratory chemicals; and pharma services. The company offers products and services through a direct sales force, customer-service professionals, electronic commerce, third-party distributors, and catalogs. It has a strategic alliance with the University of California, San Francisco. The company was incorporated in 1956 and is based in Waltham, Massachusetts.


Insider Transactions at TMO

Insider Transaction List

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Date Insider Transaction Ownership Type Shares Traded Value / Price
View All Transactions

Last 12 Months Summary

Buy / Acquisition
301K Shares
From 28 Insiders
Grant, award, or other acquisition 73.4K shares
Exercise of conversion of derivative security 215K shares
Open market or private purchase 20 shares
Bona fide gift 12.7K shares
Sell / Disposition
316K Shares
From 24 Insiders
Payment of exercise price or tax liability 21.4K shares
Bona fide gift 20K shares
Open market or private sale 274K shares

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P - Open market or private purchase×
S - Open market or private sale×
V - Transaction voluntarily reported earlier than required×
A - Grant, award, or other acquisition×
D - Sale (or disposition) back to the issuer×
F - Payment of exercise price or tax liability×
I - Discretionary transaction×
M - Exercise of conversion of derivative security×
C - Conversion of derivative security×
E - Expiration of short derivative position×
H - Expiration (or cancellation) of long derivative position with value received×
O - Exercise of out-of-the-money derivative securities×
X - Exercise of in-the-money or at-the-money derivatives securities×
G - Bona fide gift×
L - Small Acquisition×
W - Acquisition or disposition by will or laws×
Z - Deposit into or withdrawal from voting trust×
J - Other acquisition or disposition×
K - Transaction in equity swap or similar instrument×
U - Disposition due to a tender of shares in a change of control transaction×
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