Mirion Technologies, Inc.
MIR- Exchange
- NYSE
- Industry
- Measuring & Controlling Devices, NEC
- SEC CIK
- 0001809987
In the last 90 days, Mirion Technologies, Inc. insiders filed 1 open-market purchase and 0 sales; 351 institutions reported holding it in 13F filings for Q2 2026, worth $4.70B in total; Maverick Capital is the only superinvestor holding it.
Superinvestors holding MIR, Q2 2026
1 superinvestor reports holding Mirion Technologies, Inc. on Form 13F, worth $94.0M in total. Weight is Mirion Technologies, Inc.'s share of each 13F portfolio; actions compare shares with Q1 2026.
| Superinvestor | % of portfolio | Shares | Value | vs. previous quarter |
|---|---|---|---|---|
| Maverick CapitalLee Ainslie | 0.8% | 5,245,039 | $94.0M | Added+97.9% |
Moves by quarter
Superinvestors that opened, added to, trimmed or sold out of MIR each quarter, comparing shares with the quarter before. A superinvestor that didn't file for a quarter isn't listed, and isn't counted as selling.
Q2 2026
1 superinvestor holding at quarter end
- Added
- Maverick Capital (+97.9%)
Q1 2026
1 superinvestor holding at quarter end
Q4 2025
0 superinvestors holding at quarter end
- Sold out
- Maverick Capital
Q3 2025
1 superinvestor holding at quarter end
- Reduced
- Maverick Capital (−51.2%)
- Sold out
- Soros Fund Management
Q2 2025
2 superinvestors holding at quarter end
- New
- Soros Fund Management
- Reduced
- Maverick Capital (−34.1%)
Q1 2025
1 superinvestor holding at quarter end
- Added
- Maverick Capital (+30.4%)
- Sold out
- Duquesne Family Office
Q4 2024
2 superinvestors holding at quarter end
- New
- Duquesne Family Office
- Added
- Maverick Capital (+3,267.9%)
Q3 2024
1 superinvestor holding at quarter end
- Added
- Maverick Capital (+14.8%)
Q2 2024
1 superinvestor holding at quarter end
- Added
- Maverick Capital (+291.9%)
Q1 2024
1 superinvestor holding at quarter end