Thermo Fisher Scientific, Inc. (TMO)

Health Care ยท Measuring & Controlling Devices, NEC

Thermo Fisher Scientific, Inc. (TMO) is listed on the New York Stock Exchange, where its shares have traded since June 1, 1972. SentiSense covers Thermo Fisher Scientific, Inc. in the Health Care sector, and its Standard Industrial Classification is Measuring & Controlling Devices, NEC. Marc Casper is its chief executive officer. The company reports 125,000 employees, and its corporate website is www.thermofisher.com.

About Thermo Fisher Scientific, Inc.

Thermo Fisher Scientific sells scientific instruments and laboratory equipment, diagnostics consumables, and life science reagents. The firm operates through four segments as of year-end 2025 (revenue figures include some cross-segment revenue): analytical technologies (17% of sales); specialty diagnostic products (11%); life science solutions (23%); and lab products and services, which includes CRO services (the remainder).

Latest reported results

Thermo Fisher Scientific Inc. reported revenue of $12.14 billion for Q3 FY2026, up 9.1% from the same period a year earlier.

Institutional ownership

In 13F filings for the quarter ended June 30, 2026, 2,596 institutions reported holding TMO, with 333.5 million shares worth $167.9 billion in aggregate. The largest reported holders were Vanguard, BlackRock and State Street. Of the 5 largest reported holders, 4 added shares and 1 reduced its position during the quarter.

More on TMO

  • TMO sentiment: whether news and social coverage of Thermo Fisher Scientific, Inc. leans bullish or bearish, and the stories driving it.
  • TMO ownership: all 2,596 reporting institutions, plus insider and congressional trades.
  • TMO financials: revenue, net income, operating margin and free cash flow through Q3 FY2026.

SentiSense also tracks daily options readings for Thermo Fisher Scientific, Inc.: IV rank, put/call percentile, 25-delta skew and open-interest walls.

Frequently asked questions

What does Thermo Fisher Scientific, Inc. do?

Thermo Fisher Scientific sells scientific instruments and laboratory equipment, diagnostics consumables, and life science reagents.

What sector is TMO in?

SentiSense classifies Thermo Fisher Scientific, Inc. in the Health Care sector, and its Standard Industrial Classification is Measuring & Controlling Devices, NEC.

Where does TMO stock trade?

Thermo Fisher Scientific, Inc. (TMO) is listed on the New York Stock Exchange, where its shares have traded since June 1, 1972.

Who is the CEO of Thermo Fisher Scientific, Inc.?

Marc Casper is the chief executive officer of Thermo Fisher Scientific, Inc..