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 |
|---|---|---|---|---|---|
| Covestor Ltd | 13 | $0 | 0.00% | 00.0% | Unchanged |
| Bay Harbor Wealth Management, LLC | 4 | $58 | 0.00% | +4 | New |
| Parkworth Wealth Management, Inc. | 6 | $87 | 0.00% | 00.0% | Unchanged |
| HFM Investment Advisors, LLC | 6 | $87 | 0.00% | +6 | New |
| Farther Finance Advisors, LLC | 7 | $100 | 0.00% | 00.0% | Unchanged |
| IFP Advisors, Inc | 12 | $174 | 0.00% | 00.0% | Unchanged |
| True Wealth Design, LLC | 12 | $174 | 0.00% | +12 | New |
| Signaturefd, LLC | 15 | $218 | 0.00% | +15 | New |
| SBI Securities Co., Ltd. | 22 | $319 | 0.00% | +12+120.0% | Added |
| SJS Investment Consulting Inc. | 43 | $624 | 0.00% | 00.0% | Unchanged |
| Caitong International Asset Management Co., Ltd | 43 | $624 | 0.00% | +43 | New |
| ORG Partners LLC | 90 | $861 | 0.00% | +90 | New |
| Stephens Consulting, LLC | 75 | $1.09K | 0.00% | +75 | New |
| Russell Investments Group, Ltd. | 87 | $1.26K | 0.00% | +87 | New |
| Ameriflex Group, Inc. | 94 | $1.36K | 0.00% | 00.0% | Unchanged |
| Bell Investment Advisors, Inc | 103 | $1.49K | 0.00% | 00.0% | Unchanged |
| JFS Wealth Advisors, LLC | 106 | $1.54K | 0.00% | −3−2.8% | Reduced |
| Parkside Financial Bank & Trust | 120 | $1.74K | 0.00% | +120 | New |
| Amundi | 133 | $1.81K | 0.00% | −2−1.5% | Reduced |
| Highline Wealth Partners LLC | 126 | $1.83K | 0.00% | +126 | New |
| Hemington Wealth Management | 201 | $2.00K | 0.00% | +87+76.3% | Added |
| Ronald Blue Trust, Inc. | 146 | $2.12K | 0.00% | 00.0% | Unchanged |
| Larson Financial Group LLC | 189 | $2.74K | 0.00% | +189 | New |
| Coldstream Capital Management Inc | 213 | $3.09K | 0.00% | +213 | New |
| Rothschild Investment LLC | 230 | $3.33K | 0.00% | +230 | New |
| Murphy & Mullick Capital Management Corp | 250 | $3.63K | 0.00% | 00.0% | Unchanged |
| Lindbrook Capital, LLC | 253 | $3.67K | 0.00% | +47+22.8% | Added |
| Allworth Financial LP | 247 | $3.69K | 0.00% | +155+168.5% | Added |
| Millstone Evans Group, LLC | 268 | $3.89K | 0.00% | +268 | New |
| Public Employees Retirement System of Ohio | 270 | $3.92K | 0.00% | +270 | New |
| EverSource Wealth Advisors, LLC | 288 | $4.18K | 0.00% | +207+255.6% | Added |
| Sierra Ocean, LLC | 321 | $4.66K | 0.00% | +321 | New |
| CIBC Private Wealth Group, LLC | 400 | $5.20K | 0.00% | 00.0% | Unchanged |
| Hillsdale Investment Management Inc. | 430 | $6.24K | 0.00% | +430 | New |
| Global Financial Private Client, LLC | 494 | $7.16K | 0.00% | +483+4,390.9% | Added |
| GAMMA Investing LLC | 502 | $7.28K | 0.00% | +200+66.2% | Added |
| Rise Advisors, LLC | 579 | $8.40K | 0.00% | +579 | New |
| Advisor Group Holdings, Inc. | 642 | $9.31K | 0.00% | −260−28.8% | Reduced |
| First Horizon Advisors, Inc. | 642 | $9.31K | 0.00% | +642 | New |
| Avion Wealth | 620 | $10.0K | 0.00% | 00.0% | Unchanged |
| Optiver Holding B.V. | 736 | $10.7K | 0.00% | −387−34.5% | Reduced |
| Quadrant Capital Group LLC | 817 | $11.8K | 0.00% | −171−17.3% | Reduced |
| Bessemer Group Inc | 896 | $13.0K | 0.00% | −214−19.3% | Reduced |
| Clearstead Advisors, LLC | 924 | $13.4K | 0.00% | 00.0% | Unchanged |
| Comerica Bank | 1,037 | $15.0K | 0.00% | −209−16.8% | Reduced |
| Versant Capital Management, Inc | 1,163 | $16.9K | 0.00% | +1,163 | New |
| Clear Street Markets LLC | 1,659 | $24.1K | 0.02% | +1,659 | New |
| Parallel Advisors, LLC | 1,986 | $28.8K | 0.00% | +251+14.5% | Added |
| Central Pacific Bank - Trust Division | 2,500 | $36.3K | 0.01% | −2,500−50.0% | Reduced |
| Nisa Investment Advisors, LLC | 2,715 | $39.4K | 0.00% | −81−2.9% | Reduced |
| Quest Partners LLC | 3,605 | $52.3K | 0.01% | +3,604+360,400.0% | Added |
| BI Asset Management Fondsmaeglerselskab A/S | 4,676 | $68.0K | 0.00% | +4,676 | New |
| Smartleaf Asset Management LLC | 5,205 | $76.1K | 0.01% | +4,442+582.2% | Added |
| Tower Research Capital LLC (TRC) | 5,586 | $81.0K | 0.00% | −1,063−16.0% | Reduced |
| CWM, LLC | 6,431 | $93.0K | 0.00% | +5,860+1,026.3% | Added |
| US Bancorp | 6,664 | $96.6K | 0.00% | +402+6.4% | Added |
| Amalgamated Bank | 7,062 | $102.0K | 0.00% | +24+0.3% | Added |
| Corient IA LLC | 10,000 | $145.0K | 0.10% | +10,000 | New |
| KBC Group NV | 10,485 | $152.0K | 0.00% | +2,483+31.0% | Added |
| Sciencast Management LP | 10,508 | $152.4K | 0.04% | +10,508 | New |
| Integrated Advisors Network LLC | 11,298 | $163.8K | 0.01% | −7,193−38.9% | Reduced |
| Two Sigma Securities, LLC | 11,427 | $165.7K | 0.03% | +11,427 | New |
| Longboard Asset Management, LP | 11,594 | $168.1K | 0.49% | 00.0% | Unchanged |
| Stifel Financial Corp | 12,859 | $186.5K | 0.00% | +12,859 | New |
| BNP Paribas Arbitrage, SA | 13,447 | $195.0K | 0.00% | −14,073−51.1% | Reduced |
| Keybank National Association | 13,547 | $196.4K | 0.00% | +13,547 | New |
| Diametric Capital, LP | 13,679 | $198.3K | 0.24% | −2,878−17.4% | Reduced |
| Principal Financial Group Inc | 14,057 | $203.8K | 0.00% | +1,820+14.9% | Added |
| Ieq Capital, LLC | 14,919 | $216.3K | 0.00% | +14,919 | New |
| Truist Financial Corp | 15,683 | $227.4K | 0.00% | +2,001+14.6% | Added |
| Xponance, Inc. | 15,793 | $229.0K | 0.00% | +851+5.7% | Added |
| Prudential Financial Inc | 15,945 | $231.2K | 0.00% | +1,250+8.5% | Added |
| Toroso Investments, LLC | 17,217 | $249.6K | 0.00% | +17,217 | New |
| Sanctuary Advisors, LLC | 18,343 | $266.0K | 0.00% | +3,430+23.0% | Added |
| SG Americas Securities, LLC | 19,021 | $276.0K | 0.00% | +19,021 | New |
| STRS Ohio | 19,300 | $279.9K | 0.00% | 00.0% | Unchanged |
| Ameritas Investment Partners, Inc. | 20,898 | $303.0K | 0.01% | −713−3.3% | Reduced |
| Mackenzie Financial Corp | 22,478 | $325.9K | 0.00% | +570+2.6% | Added |
| Sumitomo Life Insurance Co | 22,676 | $328.8K | 0.01% | +22,676 | New |
| The PNC Financial Services Group, Inc. | 22,898 | $332.0K | 0.00% | −3,235−12.4% | Reduced |
| PDT Partners, LLC | 22,969 | $333.1K | 0.02% | +22,969 | New |
| HSBC Holdings PLC | 23,965 | $342.5K | 0.00% | −64−0.3% | Reduced |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 24,189 | $350.7K | 0.00% | +24,189 | New |
| Simon Quick Advisors, LLC | 24,705 | $358.2K | 0.02% | +651+2.7% | Added |
| Options Solutions, LLC | 25,934 | $376.0K | 0.18% | +12,172+88.4% | Added |
| Register Financial Advisors LLC | 29,300 | $424.9K | 0.22% | +29,300 | New |
| Teacher Retirement System of Texas | 29,565 | $428.7K | 0.00% | +13,733+86.7% | Added |
| Simplex Trading, LLC | 31,370 | $454.0K | 0.02% | +31,370 | New |
| Oppenheimer & Co Inc | 33,315 | $483.1K | 0.01% | −1,848−5.3% | Reduced |
| Campbell & CO Investment Adviser LLC | 33,425 | $484.7K | 0.04% | −2,172−6.1% | Reduced |
| Engineers Gate Manager LP | 34,303 | $497.4K | 0.01% | −14,629−29.9% | Reduced |
| Pictet Asset Management Holding SA | 35,010 | $508.1K | 0.00% | +6,896+24.5% | Added |
| KLP Kapitalforvaltning AS | 37,500 | $543.8K | 0.00% | 00.0% | Unchanged |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 38,387 | $556.6K | 0.00% | 00.0% | Unchanged |
| Police & Firemen's Retirement System of New Jersey | 44,108 | $639.6K | 0.01% | 00.0% | Unchanged |
| ProShare Advisors LLC | 44,721 | $648.5K | 0.00% | −13,458−23.1% | Reduced |
| CIBC World Markets Corp | 45,838 | $664.7K | 0.01% | +26,506+137.1% | Added |
| Virginia Retirement Systems Et Al | 47,546 | $689.4K | 0.01% | +47,546 | New |
| Wolverine Asset Management LLC | 48,000 | $696.0K | 0.01% | −114,000−70.4% | Reduced |
| LPL Financial LLC | 48,818 | $707.9K | 0.00% | +36,712+303.3% | Added |