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, Q1 2022
Institutional positions in Mirion Technologies, Inc. as of Mar 31, 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
- 108
- +15 vs. Q4 2021
- Shares held
- 148.8M
- +3.86M (+2.7%) vs. Q4 2021
- Total value
- $1.20B
- −$316.9M (−20.9%) vs. Q4 2021
- New holders
- 34
- 33 more added
- Sold out
- 19
- 28 more reduced
Compare with Q4 2021: 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, Q1 2022
Shares, value and share of portfolio for each institution holding Mirion Technologies, Inc.; share changes are against Q4 2021.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| FIL Ltd | 4,120,244 | $33.3M | 0.03% | +3,153,744+326.3% | Added |
| Locust Wood Capital Advisers, LLC | 4,433,455 | $35.8M | 2.27% | −253,276−5.4% | Reduced |
| Senator Investment Group LP | 6,000,000 | $48.4M | 1.50% | −875,000−12.7% | Reduced |
| Swedbank AB | 6,911,302 | $55.8M | 0.10% | +1,071,202+18.3% | Added |
| Vanguard Group Inc | 7,156,127 | $57.8M | 0.00% | +127,370+1.8% | Added |
| FMR LLC | 8,466,025 | $68.3M | 0.01% | +966,025+12.9% | Added |
| Alyeska Investment Group, L.P. | 14,089,613 | $113.7M | 1.25% | +496,160+3.6% | Added |
| Goldman Sachs Group Inc | 53,181,750 | $429.2M | 0.11% | −83,993−0.2% | Reduced |
| Proequities, Inc. | 0 | $0 | 0.00% | −17,400−100.0% | Sold out |
| Myriad Asset Management Ltd. | 0 | $0 | 0.00% | −2,429,545−100.0% | Sold out |
| Manufacturers Life Insurance Company, The | 0 | $0 | 0.00% | −1,116,000−100.0% | Sold out |
| Saya Management LP | 0 | $0 | 0.00% | −498,753−100.0% | Sold out |
| One Fin Capital Management LP | 0 | $0 | 0.00% | −435,000−100.0% | Sold out |
| Resolute Capital Asset Partners LLC | 0 | $0 | 0.00% | −401,437−100.0% | Sold out |
| Jefferies Group LLC | 0 | $0 | 0.00% | −355,840−100.0% | Sold out |
| Diameter Capital Partners LP | 0 | $0 | 0.00% | −281,777−100.0% | Sold out |
| Brant Point Investment Management LLC | 0 | $0 | 0.00% | −276,749−100.0% | Sold out |
| Weiss Multi-Strategy Advisers LLC | 0 | $0 | 0.00% | −260,050−100.0% | Sold out |
| Integrity Capital Management (HK) Ltd | 0 | $0 | 0.00% | −46,492−100.0% | Sold out |
| Shay Capital LLC | 0 | $0 | 0.00% | −34,000−100.0% | Sold out |
| Bank of Montreal | 0 | $0 | 0.00% | −24,600−100.0% | Sold out |
| GWM Advisors LLC | 0 | $0 | 0.00% | −22,402−100.0% | Sold out |
| Wolverine Trading, LLC | 0 | $0 | 0.00% | −20,246−100.0% | Sold out |
| Blueshift Asset Management, LLC | 0 | $0 | 0.00% | −18,177−100.0% | Sold out |
| Tuttle Tactical Management | 0 | $0 | 0.00% | −12,277−100.0% | Sold out |
| Anchor Investment Management, LLC | 0 | $0 | 0.00% | −2,000−100.0% | Sold out |
| JPMorgan Chase & Co | 0 | $0 | 0.00% | −1,129−100.0% | Sold out |