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 |
|---|---|---|---|---|---|
| Maryland State Retirement & Pension System | 35,626 | $662.3K | 0.01% | −655−1.8% | Reduced |
| Pictet Asset Management Holding SA | 35,491 | $659.8K | 0.00% | +2,099+6.3% | Added |
| Truist Financial Corp | 31,100 | $578.1K | 0.00% | −2,756−8.1% | Reduced |
| Vontobel Holding Ltd. | 29,891 | $555.7K | 0.00% | +9,812+48.9% | Added |
| Sanctuary Advisors, LLC | 29,619 | $550.6K | 0.00% | −564−1.9% | Reduced |
| Captrust Financial Advisors | 28,633 | $532.3K | 0.00% | +3,401+13.5% | Added |
| Axq Capital, LP | 28,167 | $523.6K | 0.07% | +28,167 | New |
| Van Eck Associates Corp | 28,073 | $522.0K | 0.00% | +2,941+11.7% | Added |
| Mutual of America Capital Management LLC | 27,999 | $520.5K | 0.01% | −325−1.1% | Reduced |
| Public Employees Retirement Association of Colorado | 27,553 | $512.0K | 0.00% | 00.0% | Unchanged |
| CI Private Wealth, LLC | 27,481 | $510.9K | 0.00% | +27,481 | New |
| Zions Bancorporation, National Association | 27,223 | $506.1K | 0.03% | −17,548−39.2% | Reduced |
| Empowered Funds, LLC | 26,950 | $501.0K | 0.00% | −251,870−90.3% | Reduced |
| SG Americas Securities, LLC | 25,783 | $479.0K | 0.00% | −18,044−41.2% | Reduced |
| Cetera Investment Advisers | 24,978 | $464.3K | 0.00% | +5,271+26.7% | Added |
| Polen Capital Management LLC | 24,921 | $463.3K | 0.00% | −54,498−68.6% | Reduced |
| Gibbs Wealth Management | 23,922 | $444.7K | 0.06% | +23,922 | New |
| Simon Quick Advisors, LLC | 23,879 | $443.9K | 0.02% | −50.0% | Reduced |
| Xponance, Inc. | 22,414 | $416.7K | 0.00% | +3,571+19.0% | Added |
| Alliance Wealth Advisors, LLC | 22,205 | $412.8K | 0.09% | +22,205 | New |
| Squarepoint Ops LLC | 21,567 | $400.9K | 0.00% | +21,567 | New |
| The PNC Financial Services Group, Inc. | 21,485 | $399.4K | 0.00% | +3,221+17.6% | Added |
| Janney Montgomery Scott LLC | 21,039 | $391.0K | 0.00% | −1,326−5.9% | Reduced |
| Ameritas Investment Partners, Inc. | 19,840 | $368.8K | 0.01% | 00.0% | Unchanged |
| Blueshift Asset Management, LLC | 19,186 | $356.7K | 0.11% | +340+1.8% | Added |
| Sandler Capital Management | 18,982 | $352.9K | 0.24% | +3,788+24.9% | Added |
| Wealth Enhancement Advisory Services, LLC | 18,444 | $350.4K | 0.00% | +587+3.3% | Added |
| SCP Investment, LP | 18,800 | $349.5K | 0.39% | +800+4.4% | Added |
| Shelton Capital Management | 18,164 | $337.7K | 0.01% | +18,164 | New |
| Jain Global LLC | 18,001 | $334.6K | 0.00% | +18,001 | New |
| Daymark Wealth Partners, LLC | 17,640 | $327.9K | 0.01% | +17,640 | New |
| Bank of Montreal | 17,355 | $322.6K | 0.00% | +1,534+9.7% | Added |
| Portside Wealth Group, LLC | 16,542 | $307.5K | 0.04% | +16,542 | New |
| CWM, LLC | 16,172 | $300.6K | 0.00% | −966−5.6% | Reduced |
| Tower Research Capital LLC (TRC) | 16,160 | $300.4K | 0.01% | +8,590+113.5% | Added |
| Mount Yale Investment Advisors, LLC | 15,890 | $295.4K | 0.01% | +15,890 | New |
| New Age Alpha Advisors, LLC | 15,724 | $292.3K | 0.01% | −353−2.2% | Reduced |
| MML Investors Services, LLC | 15,553 | $289.1K | 0.00% | −1,051−6.3% | Reduced |
| Swiss Life Asset Management Ltd | 15,457 | $287.3K | 0.00% | +4,601+42.4% | Added |
| AlphaGrep UK Ltd | 15,430 | $286.8K | 0.08% | +15,430 | New |
| CenterBook Partners LP | 15,373 | $285.8K | 0.02% | +15,373 | New |
| Glenmede Trust Co NA | 15,285 | $284.1K | 0.00% | −338−2.2% | Reduced |
| DnB Asset Management AS | 15,054 | $279.9K | 0.00% | +15,054 | New |
| STRS Ohio | 15,000 | $278.9K | 0.00% | −5,700−27.5% | Reduced |
| Vident Advisory, LLC | 14,866 | $276.4K | 0.00% | +738+5.2% | Added |
| Marietta Investment Partners LLC | 14,833 | $275.7K | 0.06% | −5,120−25.7% | Reduced |
| Tributary Capital Management, LLC | 14,800 | $275.1K | 0.03% | 00.0% | Unchanged |
| JustInvest LLC | 14,748 | $274.2K | 0.00% | +5,689+62.8% | Added |
| Mirabella Financial Services LLP | 14,273 | $265.3K | 0.03% | +14,273 | New |
| Twinbeech Capital LP | 14,008 | $260.4K | 0.03% | −43,092−75.5% | Reduced |
| Altshuler Shaham Ltd | 13,147 | $244.4K | 0.00% | +1,443+12.3% | Added |
| Keybank National Association | 13,038 | $242.4K | 0.00% | −662−4.8% | Reduced |
| CIBC Bancorp USA Inc. | 12,535 | $233.0K | 0.00% | +12,535 | New |
| Atria Investments LLC | 11,985 | $222.8K | 0.00% | +2,335+24.2% | Added |
| Qsemble Capital Management, LP | 11,811 | $219.6K | 0.02% | −32,508−73.4% | Reduced |
| Stratos Wealth Partners, LTD. | 11,123 | $206.8K | 0.00% | +556+5.3% | Added |
| Aigen Investment Management, LP | 10,827 | $201.3K | 0.05% | +305+2.9% | Added |
| Park Avenue Securities LLC | 10,816 | $201.0K | 0.00% | +10,816 | New |
| Beacon Pointe Advisors, LLC | 10,694 | $198.8K | 0.00% | +10,694 | New |
| Premier Fund Managers Ltd | 11,192 | $194.0K | 0.01% | −12,413−52.6% | Reduced |
| Profund Advisors LLC | 10,320 | $191.8K | 0.01% | −634−5.8% | Reduced |
| SBI Okasan Asset Management Co.Ltd. | 11,000 | $190.5K | 0.01% | 00.0% | Unchanged |
| Brinker Capital Investments, LLC | 10,151 | $188.7K | 0.00% | +10,151 | New |
| Prelude Capital Management, LLC | 10,000 | $185.9K | 0.01% | −1,085−9.8% | Reduced |
| Corient IA LLC | 8,890 | $165.3K | 0.16% | −1,110−11.1% | Reduced |
| US Bancorp | 7,192 | $133.7K | 0.00% | −50−0.7% | Reduced |
| State of Wyoming | 6,375 | $118.5K | 0.01% | −715−10.1% | Reduced |
| Mirae Asset Global Investments Co., Ltd. | 5,700 | $106.0K | 0.00% | +5,700 | New |
| Pinnacle Wealth Planning Services, Inc. | 5,643 | $104.9K | 0.01% | −1,192−17.4% | Reduced |
| Los Angeles Capital Management LLC | 4,955 | $92.1K | 0.00% | +4,067+458.0% | Added |
| Jones Financial Companies LLLP | 4,980 | $89.1K | 0.00% | +4,133+488.0% | Added |
| Smartleaf Asset Management LLC | 5,099 | $88.3K | 0.00% | −443−8.0% | Reduced |
| Tredje AP-fonden | 4,662 | $86.7K | 0.00% | −276,126−98.3% | Reduced |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 4,634 | $86.1K | 0.00% | +1,168+33.7% | Added |
| Northwestern Mutual Wealth Management Co | 4,274 | $79.5K | 0.00% | +703+19.7% | Added |
| Nisa Investment Advisors, LLC | 4,028 | $74.9K | 0.00% | +366+10.0% | Added |
| NBC Securities, Inc. | 3,891 | $72.3K | 0.01% | −12,423−76.1% | Reduced |
| Parallel Advisors, LLC | 3,761 | $69.9K | 0.00% | +47+1.3% | Added |
| Aster Capital Management (DIFC) Ltd | 4,804 | $69.7K | 0.02% | +4,804 | New |
| Assetmark, Inc | 3,454 | $64.2K | 0.00% | +3,412+8,123.8% | Added |
| Farther Finance Advisors, LLC | 3,179 | $59.3K | 0.00% | +398+14.3% | Added |
| Wolff Wiese Magana LLC | 2,915 | $54.2K | 0.03% | +1,565+115.9% | Added |
| Central Pacific Bank - Trust Division | 2,500 | $46.5K | 0.01% | 00.0% | Unchanged |
| Steward Partners Investment Advisory, LLC | 1,575 | $29.3K | 0.00% | −134−7.8% | Reduced |
| Kemnay Advisory Services Inc. | 1,521 | $28.3K | 0.00% | +709+87.3% | Added |
| GAMMA Investing LLC | 1,486 | $27.6K | 0.00% | −756−33.7% | Reduced |
| REAP Financial Group, LLC | 1,415 | $26.3K | 0.01% | +11+0.8% | Added |
| Versant Capital Management, Inc | 1,385 | $25.7K | 0.00% | +30+2.2% | Added |
| MAI Capital Management | 1,325 | $24.6K | 0.00% | +1,325 | New |
| Advisory Services Network, LLC | 1,224 | $22.8K | 0.00% | +1,224 | New |
| Umb Bank N A | 1,166 | $21.7K | 0.00% | −178−13.2% | Reduced |
| Quadrant Capital Group LLC | 1,065 | $19.8K | 0.00% | −219−17.1% | Reduced |
| TD Waterhouse Canada Inc. | 1,000 | $18.7K | 0.00% | −116,973−99.2% | Reduced |
| Essential Partners LLC | 971 | $18.1K | 0.01% | −5−0.5% | Reduced |
| Strive Financial Group ,LLC | 983 | $18.0K | 0.01% | +131+15.4% | Added |
| Allworth Financial LP | 932 | $17.3K | 0.00% | +405+76.9% | Added |
| EverSource Wealth Advisors, LLC | 931 | $17.3K | 0.00% | −276−22.9% | Reduced |
| Hantz Financial Services, Inc. | 851 | $16.0K | 0.00% | +173+25.5% | Added |
| Cullen/Frost Bankers, Inc. | 838 | $15.6K | 0.00% | +347+70.7% | Added |
| Public Employees Retirement System of Ohio | 822 | $15.3K | 0.00% | −4,404−84.3% | Reduced |