Institutional shares held 183 Million
925K calls
46.7K puts
Total value of holdings $3.87B
$19.6M calls
$989K puts
Market Cap $4.24B
200,068,992 Shares Out.
Institutional ownership 91.4%
# of Institutions 253


Latest Institutional Activity in MIR

Top Purchases

Q2 2025
Sumitomo Mitsui Ds Asset Management Company, LTD Shares Held: 236K ($5.01M)
Q2 2025
Exchange Traded Concepts, LLC Shares Held: 181K ($3.85M)
Q2 2025
Tt International Asset Management LTD Shares Held: 106K ($2.24M)
Q2 2025
Register Financial Advisors LLC Shares Held: 63.8K ($1.35M)
Q2 2025
Janney Montgomery Scott LLC Shares Held: 22.4K ($475K)

Top Sells

Q2 2025
Swedbank Ab Shares Held: 4.13M ($87.4M)
Q2 2025
Vontobel Holding Ltd. Shares Held: 37.5K ($795K)
Q2 2025
Us Bancorp \De\ Shares Held: 6.45K ($137K)
Q2 2025
Parallel Advisors, LLC Shares Held: 1.81K ($38.3K)
Q2 2025
Sjs Investment Consulting Inc. Shares Held: 25 ($530)

About MIR

Mirion Technologies, Inc. provides radiation detection, measurement, analysis, and monitoring products and services in the United States, Canada, the United Kingdom, France, Germany, Finland, China, Belgium, Netherlands, Estonia, and Japan. It operates through two segments, Medical and Industrial. The medical segment offers radiation oncology quality assurance and dosimetry solutions; patient safety solutions for diagnostic imaging and radiation therapy centers; radiation therapy quality assurance solutions for calibrating and verifying imaging and treatment accuracy; and radionuclide therapy products for nuclear medicine applications, such as shielding, product handling, medical imaging furniture, and rehabilitation products. This segment supports applications in medical diagnostics, cancer treatment, practitioner safety, and rehabilitation. The Industrial segment focuses on addressing critical radiation safety, measurement, and analysis applications; and provides personal radiation detection, identification equipment, and analysis tools. The company's products and solutions also include nuclear medicines, dosimeters, contamination and clearance monitors, reactor instrumentation and control equipment and systems, medical and industrial imaging systems and related accessories, alpha spectroscopy instruments, alpha/beta counting instruments, and gamma spectroscopy detector systems; and electrical penetration, cancer diagnostics, software, and other services. It serves hospitals, clinics and urgent care facilities, dental and veterinary offices, radiation treatment facilities, OEMs for radiation therapy, laboratories, military organizations, government agencies, industrial companies, power and utility companies, reactor design firms, and NPPs. The company was formerly known as Global Monitoring Systems, Inc. and changed its name to Mirion Technologies, Inc. in January 2006. Mirion Technologies, Inc. was incorporated in 2005 and is headquartered in Atlanta, Georgia.


Insider Transactions at MIR

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
9.96M Shares
From 17 Insiders
Grant, award, or other acquisition 812K shares
Conversion of derivative security 8.1M shares
Bona fide gift 1.05M shares
Sell / Disposition
5.55M Shares
From 15 Insiders
Bona fide gift 4.21M shares
Open market or private sale 765K shares
Sale (or disposition) back to the issuer 150K shares
Payment of exercise price or tax liability 382K shares
Conversion of derivative security 48.4K shares

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