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Mirion Technologies, Inc. (MIR) Institutional Holdings & 13F Ownership
Mirion Technologies, Inc. provides radiation detection, measurement, analysis, and monitoring. Review MIR institutional holders, 13F ownership, and position changes on Finoriq.
Company Snapshot
Mirion Technologies, Inc. provides radiation detection, measurement, analysis, and monitoring products and services in North America, Europe, and the Asia Pacific. It operates in two segments, Medical, and Nuclear & Safety. 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 product handling, medical imaging furniture, and rehabilitation products. This segment improves the quality and safety of cancer care delivery; and supports applications across medical diagnostics and practitioner safety. The Nuclear & Safety segment focuses on addressing critical radiation safety, measurement, and analysis applications; and provides personal radiation detection, identification equipment, and analysis tools. The company also offers include radiation measurement and monitoring solutions, reactor instrumentation and control detectors, imaging systems and cameras, and waste management systems; laboratory and scientific analysis systems comprising gamma/alpha spectroscopy, alpha/beta counting, specialty detectors, and spectroscopy software; radiation measurement and health physics instrumentation; and contamination and clearance monitors. 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.
- Company
- Mirion Technologies, Inc. (MIR)
- Ticker
- MIR
- Market Cap
- $4B
- Latest Price
- $15.88
- Industry
- Industrial Machinery
Mirion Technologies, Inc. (MIR) Top Institutional Holders
Top current 13F holders indexed for Mirion Technologies, Inc. (MIR). Latest period 2026-03-31.
| Rank | Investor | Value | Portfolio | Filing |
|---|---|---|---|---|
| 1 | Leon CoopermanCIK 0000898382 | $155.8M | 5.1% | Filing2026-05-15 |
| 2 | Lee AinslieCIK 0000934639 | $49.3M | 0.57% | Filing2026-05-15 |
| 3 | Ron BaronCIK 0001017918 | $22.6M | 0.07% | Filing2026-05-15 |
| 4 | Ray DalioCIK 0001350694 | $6.5M | 0.03% | Filing2026-05-15 |
| 5 | Polen Capital ManagementCIK 0001034524 | $463,281 | 0.0% | Filing2026-05-14 |
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