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Compare · MIR vs TMO

MIR vs TMO

Side-by-side comparison of Mirion Technologies Inc. (MIR) and Thermo Fisher Scientific Inc (TMO): market cap, price performance, sector, and recent activity on the wire.

Summary

  • Both MIR and TMO operate in Industrial Machinery/Components (Industrials), so they compete in similar markets.
  • TMO is the larger of the two at $175.70B, about 41.1x MIR ($4.28B).
  • Over the past year, MIR is down 15.3% and TMO is up 15.7% - TMO leads by 31.0 points.
  • TMO has been more active in the news (17 items in the past 4 weeks vs 1 for MIR).
  • TMO has more recent analyst coverage (25 ratings vs 10 for MIR).
PerformanceMIR-15.25%TMO+15.74%
2025-06-09+0.00%2026-06-08
MetricMIRTMO
Company
Mirion Technologies Inc.
Thermo Fisher Scientific Inc
Price
$17.34+1.52%
$472.92+0.04%
Market cap
$4.28B
$175.70B
1M return
-12.03%
-0.32%
1Y return
-15.25%
+15.74%
Industry
Industrial Machinery/Components
Industrial Machinery/Components
Exchange
NYSE
NYSE
IPO
2020
News (4w)
1
17
Recent ratings
10
25
MIR

Mirion Technologies Inc.

Mirion Technologies, Inc. designs, manufactures, and delivers radiation detection, measurement, analysis, and monitoring products to nuclear power, medical, military, and homeland security markets. It offers personnel exposure monitoring and access control systems that include radiation detectors for handheld measurement; contamination and clearance products; wireless monitoring products; advanced detection and isotope identification products; and radiation area monitoring systems. The company also provides radiation tolerant cameras, high temperature imaging systems, and video image processing and accessories; and reactor control and protection, containment, effluent release monitoring, operational process monitoring, and area monitoring systems. In addition, it offers radiation monitoring services and dosimetry solutions for a range of applications; and nuclear sensing instrumentation and sealing systems that include in-core detectors, ex-core detectors, reactor neutron and gamma detector instruments, nuclear containment seals, and severe accident lines. Mirion Technologies, Inc. designs, manufactures, and delivers radiation detection, measurement, analysis, and monitoring products to nuclear power, medical, military, and homeland security markets. It offers personnel exposure monitoring and access control systems that include radiation detectors for handheld measurement; contamination and clearance products; wireless monitoring products; advanced detection and isotope identification products; and radiation area monitoring systems. The company also provides radiation tolerant cameras, high temperature imaging systems, and video image processing and accessories; and reactor control and protection, containment, effluent release monitoring, operational process monitoring, and area monitoring systems. In addition, it offers radiation monitoring services and dosimetry solutions for a range of applications; and nuclear sensing instrumentation and sealing systems that include in-core detectors, ex-core detectors, reactor neutron and gamma detector instruments, nuclear containment seals, and severe accident lines. It also offers service, such as measurement, installation, product support and repairs, and consulting services. The company serves customers in nuclear power plants, military and civil defense agencies, hospitals, universities, national labs, and other specialized industries. Mirion Technologies, Inc. was formerly known as Global Monitoring Systems, Inc. and changed its name to Mirion Technologies, Inc. in January 2006. The company was incorporated in 2005 and is headquartered in San Ramon, California with facilities in Europe, Asia, and North America. The company serves customers in nuclear power plants, military and civil defense agencies, hospitals, universities, national labs, and other specialized industries. Mirion Technologies, Inc. was formerly known as Global Monitoring Systems, Inc. and changed its name to Mirion Technologies, Inc. in January 2006. The company was incorporated in 2005 and is headquartered in San Ramon, California with facilities in Europe, Asia, and North America.

TMO

Thermo Fisher Scientific Inc

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.

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