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.
13F holders, Q2 2023
Institutional positions in Mirion Technologies, Inc. as of Jun 30, 2023. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 124
- +7 vs. Q1 2023
- Shares held
- 181.4M
- +11.4M (+6.7%) vs. Q1 2023
- Total value
- $1.53B
- +$80.6M (+5.6%) vs. Q1 2023
- New holders
- 19
- 66 more added
- Sold out
- 12
- 19 more reduced
Compare with Q1 2023: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting MIR on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 351 | $4.70B |
| Q1 2026 | 362 | $4.71B |
| Q4 2025 | 365 | $5.91B |
| Q3 2025 | 343 | $5.93B |
| Q2 2025 | 302 | $4.46B |
| Q1 2025 | 230 | $2.69B |
| Q4 2024 | 224 | $3.38B |
| Q3 2024 | 176 | $2.27B |
| Q2 2024 | 155 | $2.12B |
| Q1 2024 | 143 | $2.14B |
| Q4 2023 | 125 | $1.93B |
| Q3 2023 | 127 | $1.40B |
| Q2 2023 | 124 | $1.53B |
| Q1 2023 | 117 | $1.45B |
| Q4 2022 | 119 | $1.01B |
| Q3 2022 | 121 | $1.27B |
| Q2 2022 | 115 | $921.8M |
| Q1 2022 | 108 | $1.20B |
| Q4 2021 | 93 | $1.52B |
| Q3 2021 | 4 | $16.4M |
| Q2 2021 | 1 | $20.8K |
| Q1 2021 | 0 | $0 |
Institutions, Q2 2023
Shares, value and share of portfolio for each institution holding Mirion Technologies, Inc.; share changes are against Q1 2023.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Crestline Management, LP | 1,359,086 | $11.5M | 1.25% | +185,291+15.8% | Added |
| Dimensional Fund Advisors LP | 1,359,817 | $11.5M | 0.00% | +1,359,817 | New |
| American Century Companies Inc | 1,369,733 | $11.6M | 0.01% | +1,369,733 | New |
| Morgan Stanley | 1,464,289 | $12.4M | 0.00% | +314,033+27.3% | Added |
| Lord, Abbett & Co. LLC | 1,553,794 | $13.1M | 0.05% | +133,381+9.4% | Added |
| Schwartz Investment Counsel Inc | 1,565,000 | $13.2M | 0.56% | 00.0% | Unchanged |
| Northern Trust Corp | 1,619,107 | $13.7M | 0.00% | +432,600+36.5% | Added |
| First Manhattan Co | 1,807,574 | $15.3M | 0.06% | −10,440−0.6% | Reduced |
| Corsair Capital Management, L.P. | 2,217,143 | $18.7M | 6.39% | −128,690−5.5% | Reduced |
| ArrowMark Colorado Holdings LLC | 2,886,163 | $24.4M | 0.27% | +219,015+8.2% | Added |
| Geode Capital Management, LLC | 3,158,057 | $26.7M | 0.00% | +707,193+28.9% | Added |
| Kohlberg Kravis Roberts & Co. L.P. | 3,445,894 | $29.1M | 0.90% | +58,158+1.7% | Added |
| Alyeska Investment Group, L.P. | 3,869,493 | $32.7M | 0.25% | −1,154,205−23.0% | Reduced |
| P2 Capital Partners, LLC | 4,389,571 | $37.1M | 4.32% | +1,511,203+52.5% | Added |
| FMR LLC | 4,707,083 | $39.8M | 0.00% | −3,945,110−45.6% | Reduced |
| State Street Corp | 4,836,788 | $40.9M | 0.00% | +1,051,186+27.8% | Added |
| Nomura Holdings Inc | 4,986,474 | $42.1M | 0.43% | −18,362−0.4% | Reduced |
| Cooperman Leon G | 7,400,000 | $62.5M | 3.39% | +951,427+14.8% | Added |
| Janus Henderson Group PLC | 9,704,309 | $82.0M | 0.05% | −1,296,238−11.8% | Reduced |
| Swedbank AB | 10,383,000 | $87.7M | 0.15% | +991,021+10.6% | Added |
| BlackRock Inc. | 13,863,989 | $117.2M | 0.00% | +3,328,271+31.6% | Added |
| T. Rowe Price Investment Management, Inc. | 19,023,595 | $160.8M | 0.11% | +1,328,204+7.5% | Added |
| Vanguard Group Inc | 19,298,276 | $163.1M | 0.00% | +934,000+5.1% | Added |
| Goldman Sachs Group Inc | 34,800,291 | $294.1M | 0.07% | −11,5450.0% | Reduced |
| Ionic Capital Management LLC | 0 | $0 | 0.00% | −222,028−100.0% | Sold out |
| Bamco Inc | 0 | $0 | 0.00% | −150,000−100.0% | Sold out |
| First Trust Advisors LP | 0 | $0 | 0.00% | −74,430−100.0% | Sold out |
| Ergoteles LLC | 0 | $0 | 0.00% | −21,900−100.0% | Sold out |
| Ratan Capital Management LP | 0 | $0 | 0.00% | −20,487−100.0% | Sold out |
| Saba Capital Management, L.P. | 0 | $0 | 0.00% | −17,031−100.0% | Sold out |
| Epacria Capital Partners, LLC | 0 | $0 | 0.00% | −16,135−100.0% | Sold out |
| Mercer Global Advisors Inc | 0 | $0 | 0.00% | −15,537−100.0% | Sold out |
| SG Americas Securities, LLC | 0 | $0 | 0.00% | −10,173−100.0% | Sold out |
| Walleye Trading LLC | 0 | $0 | 0.00% | −4,212−100.0% | Sold out |
| Advisory Services Network, LLC | 0 | $0 | 0.00% | −2,345−100.0% | Sold out |
| PEAK6 Investments LLC | 0 | $0 | 0.00% | −263−100.0% | Sold out |