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, Q3 2022
Institutional positions in Mirion Technologies, Inc. as of Sep 30, 2022. 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
- 121
- +7 vs. Q2 2022
- Shares held
- 170.6M
- +10.6M (+6.6%) vs. Q2 2022
- Total value
- $1.27B
- +$352.7M (+38.3%) vs. Q2 2022
- New holders
- 19
- 44 more added
- Sold out
- 12
- 36 more reduced
1 institution that held it in Q2 2022 haven't filed for Q3 2022 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q2 2022: 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, Q3 2022
Shares, value and share of portfolio for each institution holding Mirion Technologies, Inc.; share changes are against Q2 2022.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Barrow Hanley Mewhinney & Strauss LLC | 1,271,735 | $9.50M | 0.04% | +21,320+1.7% | Added |
| Bpifrance SA | 1,286,446 | $9.61M | 0.37% | 00.0% | Unchanged |
| Schwartz Investment Counsel Inc | 1,490,000 | $11.1M | 0.57% | 00.0% | Unchanged |
| Sculptor Capital LP | 1,763,052 | $13.2M | 0.17% | 00.0% | Unchanged |
| Morgan Stanley | 1,783,564 | $13.3M | 0.00% | +86,936+5.1% | Added |
| First Manhattan Co | 2,112,734 | $15.8M | 0.07% | +280,125+15.3% | Added |
| Senator Investment Group LP | 2,250,000 | $16.8M | 1.53% | −725,000−24.4% | Reduced |
| ArrowMark Colorado Holdings LLC | 2,282,414 | $17.1M | 0.21% | +702,717+44.5% | Added |
| Geode Capital Management, LLC | 2,288,628 | $17.1M | 0.00% | +206,281+9.9% | Added |
| Corsair Capital Management, L.P. | 3,267,441 | $24.4M | 10.82% | −186,835−5.4% | Reduced |
| State Street Corp | 3,675,048 | $27.5M | 0.00% | +407,454+12.5% | Added |
| P2 Capital Partners, LLC | 4,128,425 | $30.8M | 3.81% | +545,354+15.2% | Added |
| Locust Wood Capital Advisers, LLC | 4,652,012 | $34.8M | 2.67% | −76,243−1.6% | Reduced |
| Cooperman Leon G | 5,203,320 | $38.9M | 2.74% | 00.0% | Unchanged |
| FMR LLC | 8,785,947 | $65.6M | 0.01% | +216,746+2.5% | Added |
| Swedbank AB | 8,974,502 | $67.0M | 0.16% | +751,700+9.1% | Added |
| BlackRock Inc. | 9,890,996 | $73.9M | 0.00% | +471,849+5.0% | Added |
| Janus Henderson Group PLC | 11,760,615 | $87.9M | 0.07% | +8,986,071+323.9% | Added |
| Vanguard Group Inc | 12,490,947 | $93.3M | 0.00% | +1,753,745+16.3% | Added |
| Alyeska Investment Group, L.P. | 12,698,498 | $94.9M | 1.11% | −925,656−6.8% | Reduced |
| Goldman Sachs Group Inc | 51,763,086 | $386.7M | 0.11% | −541,812−1.0% | Reduced |
| FIL Ltd | 0 | $0 | 0.00% | −1,250,000−100.0% | Sold out |
| Moore Capital Management, LP | 0 | $0 | 0.00% | −355,000−100.0% | Sold out |
| Cubist Systematic Strategies, LLC | 0 | $0 | 0.00% | −126,492−100.0% | Sold out |
| Telemetry Investments, L.L.C. | 0 | $0 | 0.00% | −57,880−100.0% | Sold out |
| Levin Capital Strategies, L.P. | 0 | $0 | 0.00% | −38,685−100.0% | Sold out |
| D. E. Shaw & Co., Inc. | 0 | $0 | 0.00% | −15,418−100.0% | Sold out |
| Jefferies Group LLC | 0 | $0 | 0.00% | −12,246−100.0% | Sold out |
| Penserra Capital Management LLC | 0 | $0 | 0.00% | −9,303−100.0% | Sold out |
| Captrust Financial Advisors | 0 | $0 | 0.00% | −711−100.0% | Sold out |
| TCI Wealth Advisors, Inc. | 0 | $0 | 0.00% | −460−100.0% | Sold out |
| American Portfolios Advisors | 0 | $0 | 0.00% | −500−100.0% | Sold out |
| Joseph P. Lucia & Associates, LLC | 0 | $0 | 0.00% | −100−100.0% | Sold out |
| Exos Asset Management LLC | – | – | – | – | Not filed |