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# Who owns Mirion Technologies, Inc. (MIR)? Elite investor 13F holders

5 tracked elite investors reported holding Mirion Technologies, Inc as of 2026-06-30, including Leon Cooperman, Maverick Capital, GAMCO, D.E. Shaw, Bridgewater Associates. Who bought, trimmed or exited each quarter, with links to the original SEC 13F filings.

5 tracked investors currently reported holding · Latest report period: 2026-06-30 · Information Technology · Technology Hardware & Equipment

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;…

## Reported holders and securities, including exits (up to 20)

| Investor | Security | Instrument | Report period | Filed | Value | Quantity | Units | Change | Source |
|  --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| [Leon Cooperman](https://ownershiptrace.com/13f/investors/51) | MIRION TECHNOLOGIES INC | SHARE | 2026-06-30 | 2026-08-14 00:00:00 | 150315097.00 USD | 8383441.000000 | Shares | hold | [Original filing](https://www.sec.gov/Archives/edgar/data/898382/0000945621-26-001056-index.html) |
| [Maverick Capital](https://ownershiptrace.com/13f/investors/50) | MIRION TECHNOLOGIES INC | SHARE | 2026-06-30 | 2026-08-14 00:00:00 | 94043549.00 USD | 5245039.000000 | Shares | add | [Original filing](https://www.sec.gov/Archives/edgar/data/934639/0000947871-26-000793-index.html) |
| [GAMCO](https://ownershiptrace.com/13f/investors/137) | MIRION TECHNOLOGIES INC | SHARE | 2026-06-30 | 2026-08-12 00:00:00 | 9597391.00 USD | 535270.000000 | Shares | reduce | [Original filing](https://www.sec.gov/Archives/edgar/data/807249/0001140361-26-032508-index.html) |
| [D.E. Shaw](https://ownershiptrace.com/13f/investors/98) | MIRION TECHNOLOGIES INC | SHARE | 2026-06-30 | 2026-08-14 00:00:00 | 7180140.00 USD | 400454.000000 | Shares | reduce | [Original filing](https://www.sec.gov/Archives/edgar/data/1009207/0001104659-26-097217-index.html) |
| [Bridgewater Associates](https://ownershiptrace.com/13f/investors/8) | MIRION TECHNOLOGIES INC | SHARE | 2026-06-30 | 2026-08-14 00:00:00 | 6439344.00 USD | 359138.000000 | Shares | add | [Original filing](https://www.sec.gov/Archives/edgar/data/1350694/0001350694-26-000003-index.html) |
| [Polen Capital Management](https://ownershiptrace.com/13f/investors/61) | MIRION TECHNOLOGIES INC | SHARE | 2026-06-30 | 2026-08-04 00:00:00 | 0.00 USD | 0.000000 | Shares | exited | [Original filing](https://www.sec.gov/Archives/edgar/data/1034524/0001172661-26-003035-index.html) |

Public disclosures can be delayed, incomplete, or amended. Report period describes a position date; transaction date describes a reported transaction; filed describes submission. A recent filing or page update does not establish a current holding. A dash means unavailable or not comparable, not zero.

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