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 2025
Institutional positions in Mirion Technologies, Inc. as of Mar 31, 2025. 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
- 230
- +8 vs. Q4 2024
- Shares held
- 185.4M
- −1.13M (−0.6%) vs. Q4 2024
- Total value
- $2.69B
- −$565.0M (−17.4%) vs. Q4 2024
- New holders
- 47
- 93 more added
- Sold out
- 39
- 66 more reduced
2 institutions that held it in Q4 2024 haven't filed for Q1 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 2024: 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 2025
Shares, value and share of portfolio for each institution holding Mirion Technologies, Inc.; share changes are against Q4 2024.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Intech Investment Management LLC | 127,952 | $1.86M | 0.02% | +35,218+38.0% | Added |
| State of New Jersey Common Pension Fund D | 126,687 | $1.84M | 0.01% | −2,413−1.9% | Reduced |
| Mirae Asset Global ETFs Holdings Ltd. | 122,962 | $1.78M | 0.00% | +5,366+4.6% | Added |
| MetLife Investment Management | 122,683 | $1.78M | 0.01% | −1,454−1.2% | Reduced |
| Manufacturers Life Insurance Company, The | 117,445 | $1.70M | 0.00% | +10,313+9.6% | Added |
| New York State Common Retirement Fund | 117,028 | $1.70M | 0.00% | −8,394−6.7% | Reduced |
| Ameriprise Financial Inc | 111,609 | $1.62M | 0.00% | +18,287+19.6% | Added |
| State of Wisconsin Investment Board | 111,263 | $1.61M | 0.00% | +85,367+329.7% | Added |
| Squarepoint Ops LLC | 107,363 | $1.56M | 0.00% | +52,835+96.9% | Added |
| Corebridge Financial, Inc. | 101,203 | $1.47M | 0.01% | −1,499−1.5% | Reduced |
| Pathstone Holdings, LLC | 99,681 | $1.45M | 0.01% | +61,443+160.7% | Added |
| Royal Bank of Canada | 98,828 | $1.43M | 0.00% | +71,241+258.2% | Added |
| Aquatic Capital Management LLC | 97,996 | $1.42M | 0.04% | +97,996 | New |
| Sumitomo Mitsui DS Asset Management Company, Ltd | 87,721 | $1.27M | 0.01% | +87,721 | New |
| Sterling Capital Management LLC | 84,865 | $1.23M | 0.02% | −60.0% | Reduced |
| State of Wyoming | 81,274 | $1.18M | 0.16% | −23,476−22.4% | Reduced |
| First Manhattan Co | 76,932 | $1.12M | 0.00% | −43,225−36.0% | Reduced |
| XTX Topco Ltd | 69,269 | $1.00M | 0.05% | +46,716+207.1% | Added |
| CastleKnight Management LP | 63,100 | $915.0K | 0.10% | −36,800−36.8% | Reduced |
| TT International Asset Management LTD | 62,346 | $904.0K | 0.14% | +62,346 | New |
| Handelsbanken Fonder AB | 61,031 | $885.0K | 0.00% | 00.0% | Unchanged |
| Vontobel Holding Ltd. | 59,895 | $868.5K | 0.00% | +59,895 | New |
| Cresset Asset Management, LLC | 58,500 | $848.3K | 0.00% | 00.0% | Unchanged |
| Arizona State Retirement System | 58,214 | $844.1K | 0.01% | +2,608+4.7% | Added |
| Creative Planning | 57,348 | $831.5K | 0.00% | +37,048+182.5% | Added |
| State Board of Administration of Florida Retirement System | 57,210 | $829.5K | 0.00% | 00.0% | Unchanged |
| Jefferies Financial Group Inc. | 56,300 | $816.4K | 0.01% | +56,300 | New |
| Mariner, LLC | 56,178 | $814.6K | 0.00% | +36,137+180.3% | Added |
| Voya Investment Management LLC | 55,838 | $809.7K | 0.00% | −4,470−7.4% | Reduced |
| Graham Capital Management, L.P. | 55,154 | $799.7K | 0.03% | −52,594−48.8% | Reduced |
| LPL Financial LLC | 48,818 | $707.9K | 0.00% | +36,712+303.3% | Added |
| Wolverine Asset Management LLC | 48,000 | $696.0K | 0.01% | −114,000−70.4% | Reduced |
| Virginia Retirement Systems Et Al | 47,546 | $689.4K | 0.01% | +47,546 | New |
| CIBC World Markets Corp | 45,838 | $664.7K | 0.01% | +26,506+137.1% | Added |
| ProShare Advisors LLC | 44,721 | $648.5K | 0.00% | −13,458−23.1% | Reduced |
| Police & Firemen's Retirement System of New Jersey | 44,108 | $639.6K | 0.01% | 00.0% | Unchanged |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 38,387 | $556.6K | 0.00% | 00.0% | Unchanged |
| KLP Kapitalforvaltning AS | 37,500 | $543.8K | 0.00% | 00.0% | Unchanged |
| Pictet Asset Management Holding SA | 35,010 | $508.1K | 0.00% | +6,896+24.5% | Added |
| Engineers Gate Manager LP | 34,303 | $497.4K | 0.01% | −14,629−29.9% | Reduced |
| Campbell & CO Investment Adviser LLC | 33,425 | $484.7K | 0.04% | −2,172−6.1% | Reduced |
| Oppenheimer & Co Inc | 33,315 | $483.1K | 0.01% | −1,848−5.3% | Reduced |
| Simplex Trading, LLC | 31,370 | $454.0K | 0.02% | +31,370 | New |
| Teacher Retirement System of Texas | 29,565 | $428.7K | 0.00% | +13,733+86.7% | Added |
| Register Financial Advisors LLC | 29,300 | $424.9K | 0.22% | +29,300 | New |
| Options Solutions, LLC | 25,934 | $376.0K | 0.18% | +12,172+88.4% | Added |
| Simon Quick Advisors, LLC | 24,705 | $358.2K | 0.02% | +651+2.7% | Added |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 24,189 | $350.7K | 0.00% | +24,189 | New |
| HSBC Holdings PLC | 23,965 | $342.5K | 0.00% | −64−0.3% | Reduced |
| PDT Partners, LLC | 22,969 | $333.1K | 0.02% | +22,969 | New |
| The PNC Financial Services Group, Inc. | 22,898 | $332.0K | 0.00% | −3,235−12.4% | Reduced |
| Sumitomo Life Insurance Co | 22,676 | $328.8K | 0.01% | +22,676 | New |
| Mackenzie Financial Corp | 22,478 | $325.9K | 0.00% | +570+2.6% | Added |
| Ameritas Investment Partners, Inc. | 20,898 | $303.0K | 0.01% | −713−3.3% | Reduced |
| STRS Ohio | 19,300 | $279.9K | 0.00% | 00.0% | Unchanged |
| SG Americas Securities, LLC | 19,021 | $276.0K | 0.00% | +19,021 | New |
| Sanctuary Advisors, LLC | 18,343 | $266.0K | 0.00% | +3,430+23.0% | Added |
| Toroso Investments, LLC | 17,217 | $249.6K | 0.00% | +17,217 | New |
| Prudential Financial Inc | 15,945 | $231.2K | 0.00% | +1,250+8.5% | Added |
| Xponance, Inc. | 15,793 | $229.0K | 0.00% | +851+5.7% | Added |
| Truist Financial Corp | 15,683 | $227.4K | 0.00% | +2,001+14.6% | Added |
| Ieq Capital, LLC | 14,919 | $216.3K | 0.00% | +14,919 | New |
| Principal Financial Group Inc | 14,057 | $203.8K | 0.00% | +1,820+14.9% | Added |
| Diametric Capital, LP | 13,679 | $198.3K | 0.24% | −2,878−17.4% | Reduced |
| Keybank National Association | 13,547 | $196.4K | 0.00% | +13,547 | New |
| BNP Paribas Arbitrage, SA | 13,447 | $195.0K | 0.00% | −14,073−51.1% | Reduced |
| Stifel Financial Corp | 12,859 | $186.5K | 0.00% | +12,859 | New |
| Longboard Asset Management, LP | 11,594 | $168.1K | 0.49% | 00.0% | Unchanged |
| Two Sigma Securities, LLC | 11,427 | $165.7K | 0.03% | +11,427 | New |
| Integrated Advisors Network LLC | 11,298 | $163.8K | 0.01% | −7,193−38.9% | Reduced |
| Sciencast Management LP | 10,508 | $152.4K | 0.04% | +10,508 | New |
| KBC Group NV | 10,485 | $152.0K | 0.00% | +2,483+31.0% | Added |
| Corient IA LLC | 10,000 | $145.0K | 0.10% | +10,000 | New |
| Amalgamated Bank | 7,062 | $102.0K | 0.00% | +24+0.3% | Added |
| US Bancorp | 6,664 | $96.6K | 0.00% | +402+6.4% | Added |
| CWM, LLC | 6,431 | $93.0K | 0.00% | +5,860+1,026.3% | Added |
| Tower Research Capital LLC (TRC) | 5,586 | $81.0K | 0.00% | −1,063−16.0% | Reduced |
| Smartleaf Asset Management LLC | 5,205 | $76.1K | 0.01% | +4,442+582.2% | Added |
| BI Asset Management Fondsmaeglerselskab A/S | 4,676 | $68.0K | 0.00% | +4,676 | New |
| Quest Partners LLC | 3,605 | $52.3K | 0.01% | +3,604+360,400.0% | Added |
| Nisa Investment Advisors, LLC | 2,715 | $39.4K | 0.00% | −81−2.9% | Reduced |
| Central Pacific Bank - Trust Division | 2,500 | $36.3K | 0.01% | −2,500−50.0% | Reduced |
| Parallel Advisors, LLC | 1,986 | $28.8K | 0.00% | +251+14.5% | Added |
| Clear Street Markets LLC | 1,659 | $24.1K | 0.02% | +1,659 | New |
| Versant Capital Management, Inc | 1,163 | $16.9K | 0.00% | +1,163 | New |
| Comerica Bank | 1,037 | $15.0K | 0.00% | −209−16.8% | Reduced |
| Clearstead Advisors, LLC | 924 | $13.4K | 0.00% | 00.0% | Unchanged |
| Bessemer Group Inc | 896 | $13.0K | 0.00% | −214−19.3% | Reduced |
| Quadrant Capital Group LLC | 817 | $11.8K | 0.00% | −171−17.3% | Reduced |
| Optiver Holding B.V. | 736 | $10.7K | 0.00% | −387−34.5% | Reduced |
| Avion Wealth | 620 | $10.0K | 0.00% | 00.0% | Unchanged |
| Advisor Group Holdings, Inc. | 642 | $9.31K | 0.00% | −260−28.8% | Reduced |
| First Horizon Advisors, Inc. | 642 | $9.31K | 0.00% | +642 | New |
| Rise Advisors, LLC | 579 | $8.40K | 0.00% | +579 | New |
| GAMMA Investing LLC | 502 | $7.28K | 0.00% | +200+66.2% | Added |
| Global Financial Private Client, LLC | 494 | $7.16K | 0.00% | +483+4,390.9% | Added |
| Hillsdale Investment Management Inc. | 430 | $6.24K | 0.00% | +430 | New |
| CIBC Private Wealth Group, LLC | 400 | $5.20K | 0.00% | 00.0% | Unchanged |
| Sierra Ocean, LLC | 321 | $4.66K | 0.00% | +321 | New |
| EverSource Wealth Advisors, LLC | 288 | $4.18K | 0.00% | +207+255.6% | Added |