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 2026
Institutional positions in Mirion Technologies, Inc. as of Mar 31, 2026. 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
- 362
- +5 vs. Q4 2025
- Shares held
- 253.5M
- +32.3M (+14.6%) vs. Q4 2025
- Total value
- $4.71B
- −$467.0M (−9.0%) vs. Q4 2025
- New holders
- 62
- 136 more added
- Sold out
- 57
- 131 more reduced
8 institutions that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 2025: 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 2026
Shares, value and share of portfolio for each institution holding Mirion Technologies, Inc.; share changes are against Q4 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Hughes Financial Services, LLC | 1 | $19 | 0.00% | +1 | New |
| Dunhill Financial, LLC | 4 | $83 | 0.00% | 00.0% | Unchanged |
| Parkside Financial Bank & Trust | 10 | $186 | 0.00% | −104−91.2% | Reduced |
| Massmutual Trust Co FSB | 11 | $204 | 0.00% | −232−95.5% | Reduced |
| Vermillion Wealth Management, Inc. | 11 | $204 | 0.00% | +11 | New |
| Prestige Wealth Management Group LLC | 11 | $205 | 0.00% | +11 | New |
| International Assets Investment Management, LLC | 12 | $224 | 0.00% | +12 | New |
| Anfield Capital Management, LLC | 14 | $260 | 0.00% | 00.0% | Unchanged |
| HFM Investment Advisors, LLC | 15 | $279 | 0.00% | −3−16.7% | Reduced |
| Abound Wealth Management | 16 | $298 | 0.00% | −6−27.3% | Reduced |
| Gilpin Wealth Management, LLC | 16 | $298 | 0.00% | 00.0% | Unchanged |
| Keating Financial Advisory Services, Inc. | 19 | $353 | 0.00% | −71−78.9% | Reduced |
| Rialto Wealth Management, LLC | 20 | $372 | 0.00% | −4−16.7% | Reduced |
| Trust Co | 20 | $372 | 0.00% | 00.0% | Unchanged |
| SWAN Capital LLC | 20 | $372 | 0.00% | +20 | New |
| Bay Harbor Wealth Management, LLC | 22 | $408 | 0.00% | +5+29.4% | Added |
| SJS Investment Consulting Inc. | 38 | $707 | 0.00% | +13+52.0% | Added |
| Raffa Wealth Management, LLC | 39 | $725 | 0.00% | +7+21.9% | Added |
| DecisionPoint Financial, LLC | 47 | $874 | 0.00% | 00.0% | Unchanged |
| Financial Network Wealth Advisors LLC | 66 | $1.23K | 0.00% | +66 | New |
| Sunbelt Securities, Inc. | 69 | $1.28K | 0.00% | 00.0% | Unchanged |
| Twin Peaks Wealth Advisors, LLC | 74 | $1.38K | 0.00% | +74 | New |
| Fortitude Family Office, LLC | 75 | $1.39K | 0.00% | +19+33.9% | Added |
| Richardson Capital Management LLC | 89 | $1.66K | 0.00% | +89 | New |
| Rossby Financial, LCC | 96 | $1.79K | 0.00% | +87+966.7% | Added |
| Danske Bank A/S | 100 | $1.86K | 0.00% | −800−88.9% | Reduced |
| Farmers & Merchants Investments Inc | 100 | $1.86K | 0.00% | 00.0% | Unchanged |
| Larson Financial Group LLC | 114 | $2.12K | 0.00% | −90−44.1% | Reduced |
| Quarry LP | 122 | $2.27K | 0.00% | −18−12.9% | Reduced |
| SBI Securities Co., Ltd. | 122 | $2.27K | 0.00% | −10−7.6% | Reduced |
| Bell Investment Advisors, Inc | 125 | $2.32K | 0.00% | −177−58.6% | Reduced |
| Highline Wealth Partners LLC | 126 | $2.34K | 0.00% | 00.0% | Unchanged |
| Ronald Blue Trust, Inc. | 146 | $2.71K | 0.00% | 00.0% | Unchanged |
| Caitong International Asset Management Co., Ltd | 158 | $2.94K | 0.00% | +158 | New |
| Glen Eagle Advisors, LLC | 162 | $3.01K | 0.00% | +100+161.3% | Added |
| JFS Wealth Advisors, LLC | 184 | $3.42K | 0.00% | +14+8.2% | Added |
| Signaturefd, LLC | 185 | $3.44K | 0.00% | +151+444.1% | Added |
| CVA Family Office, LLC | 196 | $3.64K | 0.00% | +196 | New |
| Whittier Trust Co | 195 | $3.69K | 0.00% | +195 | New |
| Private Trust Co NA | 201 | $3.74K | 0.00% | −13−6.1% | Reduced |
| Elequin Capital LP | 206 | $3.83K | 0.00% | −394−65.7% | Reduced |
| IFP Advisors, Inc | 244 | $4.54K | 0.00% | 00.0% | Unchanged |
| Murphy & Mullick Capital Management Corp | 250 | $4.65K | 0.00% | 00.0% | Unchanged |
| Covestor Ltd | 271 | $5.00K | 0.00% | +240+774.2% | Added |
| Rothschild Investment LLC | 310 | $5.76K | 0.00% | +10+3.3% | Added |
| CoreCap Advisors, LLC | 356 | $6.62K | 0.00% | +4+1.1% | Added |
| WPG Advisers, LLC | 400 | $7.44K | 0.01% | −166−29.3% | Reduced |
| Bare Financial Services, Inc | 454 | $8.44K | 0.00% | +408+887.0% | Added |
| Harbour Investments, Inc. | 486 | $9.05K | 0.00% | +199+69.3% | Added |
| Whittier Trust Co of Nevada Inc | 500 | $9.47K | 0.00% | 00.0% | Unchanged |
| Golden State Equity Partners | 510 | $9.48K | 0.00% | +510 | New |
| Banque Cantonale Vaudoise | 516 | $10.0K | 0.00% | 00.0% | Unchanged |
| Avion Wealth | 620 | $11.0K | 0.00% | 00.0% | Unchanged |
| Root Financial Partners, LLC | 615 | $11.4K | 0.00% | −150−19.6% | Reduced |
| Cedar Mountain Advisors, LLC | 641 | $11.9K | 0.00% | +570+802.8% | Added |
| True Wealth Design, LLC | 642 | $11.9K | 0.00% | −30−4.5% | Reduced |
| Transamerica Financial Advisors, Inc. | 659 | $12.3K | 0.00% | +344+109.2% | Added |
| Salomon & Ludwin, LLC | 684 | $13.0K | 0.00% | −952−58.2% | Reduced |
| Huntington National Bank | 715 | $13.3K | 0.00% | +714+71,400.0% | Added |
| Millstone Evans Group, LLC | 774 | $14.4K | 0.01% | +482+165.1% | Added |
| GWM Advisors LLC | 784 | $14.6K | 0.00% | −2,467−75.9% | Reduced |
| Raleigh Capital Management Inc. | 798 | $14.8K | 0.01% | 00.0% | Unchanged |
| Public Employees Retirement System of Ohio | 822 | $15.3K | 0.00% | −4,404−84.3% | Reduced |
| Cullen/Frost Bankers, Inc. | 838 | $15.6K | 0.00% | +347+70.7% | Added |
| Hantz Financial Services, Inc. | 851 | $16.0K | 0.00% | +173+25.5% | Added |
| EverSource Wealth Advisors, LLC | 931 | $17.3K | 0.00% | −276−22.9% | Reduced |
| Allworth Financial LP | 932 | $17.3K | 0.00% | +405+76.9% | Added |
| Strive Financial Group ,LLC | 983 | $18.0K | 0.01% | +131+15.4% | Added |
| Essential Partners LLC | 971 | $18.1K | 0.01% | −5−0.5% | Reduced |
| TD Waterhouse Canada Inc. | 1,000 | $18.7K | 0.00% | −116,973−99.2% | Reduced |
| Quadrant Capital Group LLC | 1,065 | $19.8K | 0.00% | −219−17.1% | Reduced |
| Umb Bank N A | 1,166 | $21.7K | 0.00% | −178−13.2% | Reduced |
| Advisory Services Network, LLC | 1,224 | $22.8K | 0.00% | +1,224 | New |
| MAI Capital Management | 1,325 | $24.6K | 0.00% | +1,325 | New |
| Versant Capital Management, Inc | 1,385 | $25.7K | 0.00% | +30+2.2% | Added |
| REAP Financial Group, LLC | 1,415 | $26.3K | 0.01% | +11+0.8% | Added |
| GAMMA Investing LLC | 1,486 | $27.6K | 0.00% | −756−33.7% | Reduced |
| Kemnay Advisory Services Inc. | 1,521 | $28.3K | 0.00% | +709+87.3% | Added |
| Steward Partners Investment Advisory, LLC | 1,575 | $29.3K | 0.00% | −134−7.8% | Reduced |
| Central Pacific Bank - Trust Division | 2,500 | $46.5K | 0.01% | 00.0% | Unchanged |
| Wolff Wiese Magana LLC | 2,915 | $54.2K | 0.03% | +1,565+115.9% | Added |
| Farther Finance Advisors, LLC | 3,179 | $59.3K | 0.00% | +398+14.3% | Added |
| Assetmark, Inc | 3,454 | $64.2K | 0.00% | +3,412+8,123.8% | Added |
| Aster Capital Management (DIFC) Ltd | 4,804 | $69.7K | 0.02% | +4,804 | New |
| Parallel Advisors, LLC | 3,761 | $69.9K | 0.00% | +47+1.3% | Added |
| NBC Securities, Inc. | 3,891 | $72.3K | 0.01% | −12,423−76.1% | Reduced |
| Nisa Investment Advisors, LLC | 4,028 | $74.9K | 0.00% | +366+10.0% | Added |
| Northwestern Mutual Wealth Management Co | 4,274 | $79.5K | 0.00% | +703+19.7% | Added |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 4,634 | $86.1K | 0.00% | +1,168+33.7% | Added |
| Tredje AP-fonden | 4,662 | $86.7K | 0.00% | −276,126−98.3% | Reduced |
| Smartleaf Asset Management LLC | 5,099 | $88.3K | 0.00% | −443−8.0% | Reduced |
| Jones Financial Companies LLLP | 4,980 | $89.1K | 0.00% | +4,133+488.0% | Added |
| Los Angeles Capital Management LLC | 4,955 | $92.1K | 0.00% | +4,067+458.0% | Added |
| Pinnacle Wealth Planning Services, Inc. | 5,643 | $104.9K | 0.01% | −1,192−17.4% | Reduced |
| Mirae Asset Global Investments Co., Ltd. | 5,700 | $106.0K | 0.00% | +5,700 | New |
| State of Wyoming | 6,375 | $118.5K | 0.01% | −715−10.1% | Reduced |
| US Bancorp | 7,192 | $133.7K | 0.00% | −50−0.7% | Reduced |
| Corient IA LLC | 8,890 | $165.3K | 0.16% | −1,110−11.1% | Reduced |
| Prelude Capital Management, LLC | 10,000 | $185.9K | 0.01% | −1,085−9.8% | Reduced |
| Brinker Capital Investments, LLC | 10,151 | $188.7K | 0.00% | +10,151 | New |