Institutional shares held 340 Million
1.91M calls
2.16M puts
Total value of holdings $142B
$802M calls
$905M puts
Market Cap $164B
391,788,992 Shares Out.
Institutional ownership 86.67%
# of Institutions 2,909


Latest Institutional Activity in TMO

Top Purchases

Q2 2025
S.E.E.D. Planning Group LLC Shares Held: 28.2K ($11.8M)
Q2 2025
E. Ohman J:Or Asset Management Ab Shares Held: 85.7K ($35.9M)
Q2 2025
Douglas Lane & Associates, LLC Shares Held: 200K ($83.5M)
Q2 2025
Wesbanco Bank Inc Shares Held: 50.8K ($21.3M)
Q2 2025
Gradient Investments LLC Shares Held: 5.17K ($2.16M)

Top Sells

Q2 2025
Neville Rodie & Shaw Inc Shares Held: 65.5K ($27.4M)
Q2 2025
Lingohr & Partner Asset Management Gmb H Shares Held: 900 ($377K)
Q2 2025
Avity Investment Management Inc. Shares Held: 39.2K ($16.4M)
Q2 2025
Quintet Private Bank (Europe) S.A. Shares Held: 72.6K ($30.4M)
Q2 2025
Salem Investment Counselors Inc Shares Held: 17.1K ($7.15M)

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
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Last 12 Months Summary

Buy / Acquisition
235K Shares
From 27 Insiders
Grant, award, or other acquisition 81.7K shares
Exercise of conversion of derivative security 153K shares
Open market or private purchase 20 shares
Sell / Disposition
237K Shares
From 21 Insiders
Payment of exercise price or tax liability 21.1K shares
Bona fide gift 2.94K shares
Open market or private sale 213K shares

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