| Investor | Value | Of portfolio | Shares | Change | Quarter |
|---|---|---|---|---|---|
| Maverick Capital · Lee Ainslie | $94.0M | 0.83% | 5.25M | +98% | Q2 2026 |
| Bridgewater Associates · Ray Dalio | $6.4M | 0.03% | 359.14K | +2.1% | Q2 2026 |
From each investor's quarterly 13F filing with the SEC: positions at the quarter's end, reported up to 45 days later. All investors
No member of Congress has disclosed a MIR trade since 2025.
From House and Senate STOCK Act reports. Members disclose trades, not holdings, as value ranges up to 45 days later, so amounts are estimates and “last move” is a hint at who still holds it, not a position. All recent congress trades
| Date | Insider | Transaction | Shares | Value |
|---|---|---|---|---|
| Sep 29, 2026 | Kingsley Lawrence DDirector | Stock Award(Grant) at price 14.34 per share. | 1.3K | $19.11K |
| Sep 29, 2026 | Markopoulos JodyDirector | Stock Award(Grant) at price 14.34 per share. | 1.3K | $19.11K |
| Sep 1, 2026 | Schopfer BrianChief Financial Officer | Purchase at price 15.60 per share. | 20K | $312.00K |
| Jun 29, 2026 | Kingsley Lawrence DDirector | Stock Award(Grant) at price 17.46 per share. | 1.1K | $19.12K |
| May 12, 2026 | Cascella Robert ADirector | Stock Award(Grant) at price 0.00 per share. | 7.4K | — |
| May 12, 2026 | Kingsley Lawrence DDirector | Stock Award(Grant) at price 0.00 per share. | 7.4K | — |
| May 12, 2026 | Kuo John WDirector | Stock Award(Grant) at price 0.00 per share. | 7.4K | — |
| May 12, 2026 | Etzel Steven WDirector | Stock Award(Grant) at price 0.00 per share. | 7.4K | — |
| May 12, 2026 | Bockhorst Kenneth CDirector | Stock Award(Grant) at price 0.00 per share. | 7.4K | — |
| May 12, 2026 | Markopoulos JodyDirector | Stock Award(Grant) at price 0.00 per share. | 7.4K | — |
| May 12, 2026 | Rege Sheila M.D.Director | Stock Award(Grant) at price 0.00 per share. | 7.4K | — |
| May 6, 2026 | Moore Christopher A.Officer | Sale at price 19.64 per share. | 8.4K | $164.98K |
| May 5, 2026 | Logan Thomas D.Chief Executive Officer | Stock Gift at price 0.00 per share. | 311.9K | — |
| Mar 30, 2026 | Kingsley Lawrence DDirector | Stock Award(Grant) at price 17.32 per share. | 1.1K | $19.12K |
| Mar 1, 2026 | Schopfer BrianChief Financial Officer | Stock Award(Grant) at price 0.00 per share. | 64.9K | — |
| Mar 1, 2026 | Logan Thomas D.Chief Executive Officer | Stock Award(Grant) at price 0.00 per share. | 318.6K | — |
| Mar 1, 2026 | Logan Thomas D.Chief Executive Officer | Stock Gift at price 0.00 per share. | 3.09M | — |
| Mar 1, 2026 | Eloy LoicOfficer | Stock Award(Grant) at price 0.00 per share. | 15.6K | — |
| Feb 26, 2026 | Moore Christopher A.Officer | Stock Award(Grant) at price 0.00 per share. | 5.6K | — |
| Feb 26, 2026 | Lee EmmanuelleOfficer | Stock Award(Grant) at price 0.00 per share. | 11.6K | — |
| Year | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Year |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | 6.1 | -13.0 | -14.0 | 6.2 | -7.4 | -1.9 | -16.5 | 0.6 | -6.3 | 15.1 | −30.6% | ||
| 2025 | -9.2 | -2.0 | -6.6 | 8.8 | 21.0 | 12.7 | 3.8 | -8.3 | 13.5 | 26.3 | -11.4 | -10.0 | +34.2% |
| 2024 | -7.8 | 3.5 | 16.3 | -4.4 | -0.1 | -1.1 | -1.9 | 2.8 | 2.1 | 33.7 | 14.0 | 3.4 | +70.2% |
| 2023 | 20.3 | 14.2 | -5.9 | -5.2 | -2.3 | 6.8 | -10.7 | 13.1 | -12.5 | -7.2 | 28.9 | 14.8 | +55.1% |
| 2022 | -19.7 | 1.5 | -5.5 | -2.2 | 1.4 | -28.0 | 18.1 | 11.3 | -1.3 | 8.2 | -21.0 | 3.6 | −36.9% |
| 2021 | 6.1 | 4.0 | -13.2 | -1.0 | -2.5 | 3.3 | -3.7 | -0.8 | 2.9 | 3.6 | 0.7 | -1.8 | −3.9% |
| 2020 | 7.6 | -7.5 | 5.0 | 4.3 | +9.0% |
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.
Buy / hold / sell counts