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, Q2 2026
Institutional positions in Mirion Technologies, Inc. as of Jun 30, 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
- 351
- −6 vs. Q1 2026
- Shares held
- 262.0M
- +12.6M (+5.0%) vs. Q1 2026
- Total value
- $4.70B
- +$56.2M (+1.2%) vs. Q1 2026
- New holders
- 59
- 138 more added
- Sold out
- 65
- 117 more reduced
5 institutions that held it in Q1 2026 haven't filed for Q2 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 2026: 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, Q2 2026
Shares, value and share of portfolio for each institution holding Mirion Technologies, Inc.; share changes are against Q1 2026.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| DnB Asset Management AS | 10,877 | $195.0K | 0.00% | −4,177−27.7% | Reduced |
| CI Private Wealth, LLC | 11,931 | $213.9K | 0.00% | −15,550−56.6% | Reduced |
| First National Advisers, LLC | 11,992 | $215.0K | 0.03% | −92,687−88.5% | Reduced |
| Lighthouse Investment Partners, LLC | 12,076 | $216.5K | 0.01% | +12,076 | New |
| Glenmede Trust Co NA | 12,592 | $225.8K | 0.00% | −2,693−17.6% | Reduced |
| VisionPoint Advisory Group, LLC | 12,618 | $226.2K | 0.04% | +12,618 | New |
| Keybank National Association | 13,135 | $235.5K | 0.00% | +97+0.7% | Added |
| Quantinno Capital Management LP | 13,163 | $236.0K | 0.00% | −28,542−68.4% | Reduced |
| Stratos Wealth Partners, LTD. | 13,394 | $240.2K | 0.00% | +2,271+20.4% | Added |
| CIBC Bancorp USA Inc. | 13,442 | $241.0K | 0.00% | +907+7.2% | Added |
| Two Sigma Securities, LLC | 13,505 | $242.1K | 0.02% | +13,505 | New |
| Delta Global Management LP | 13,676 | $245.2K | 0.03% | +13,676 | New |
| Profund Advisors LLC | 13,696 | $245.6K | 0.01% | +3,376+32.7% | Added |
| Ulland Investment Advisors, LLC | 14,810 | $266.0K | 0.20% | +14,810 | New |
| STRS Ohio | 15,000 | $268.9K | 0.00% | 00.0% | Unchanged |
| One Wealth Capital Management, LLC | 15,017 | $269.3K | 0.08% | +15,017 | New |
| New Age Alpha Advisors, LLC | 15,059 | $270.0K | 0.01% | −665−4.2% | Reduced |
| Daymark Wealth Partners, LLC | 15,250 | $273.4K | 0.01% | −2,390−13.5% | Reduced |
| Virginia Retirement Systems Et Al | 15,400 | $276.1K | 0.00% | +15,400 | New |
| Global Retirement Partners, LLC | 15,562 | $279.0K | 0.00% | +15,562 | New |
| Brinker Capital Investments, LLC | 15,892 | $284.9K | 0.00% | +5,741+56.6% | Added |
| Arete Wealth Advisors, LLC | 15,990 | $286.7K | 0.02% | +15,990 | New |
| Compagnie Lombard Odier SCmA | 16,044 | $287.7K | 0.00% | +16,044 | New |
| Swiss Life Asset Management Ltd | 16,512 | $296.1K | 0.00% | +1,055+6.8% | Added |
| Tower Research Capital LLC (TRC) | 16,797 | $301.2K | 0.01% | +637+3.9% | Added |
| Cetera Investment Advisers | 17,057 | $305.8K | 0.00% | −7,921−31.7% | Reduced |
| Groupama Asset Managment | 17,222 | $308.8K | 0.00% | +17,222 | New |
| Sanctuary Advisors, LLC | 17,409 | $312.1K | 0.00% | −12,210−41.2% | Reduced |
| Mount Yale Investment Advisors, LLC | 18,718 | $335.6K | 0.01% | +2,828+17.8% | Added |
| Bank of Montreal | 18,724 | $335.7K | 0.00% | +1,369+7.9% | Added |
| Allstate Corp | 18,896 | $338.8K | 0.00% | +18,896 | New |
| Two Sigma Investments, LP | 19,771 | $354.5K | 0.00% | +19,771 | New |
| Norden Group LLC | 19,926 | $357.3K | 0.03% | +19,926 | New |
| Zions Bancorporation, National Association | 20,517 | $367.9K | 0.02% | −6,706−24.6% | Reduced |
| Wealth Enhancement Advisory Services, LLC | 21,856 | $371.6K | 0.00% | +3,412+18.5% | Added |
| Ameritas Investment Partners, Inc. | 21,988 | $394.2K | 0.01% | +2,148+10.8% | Added |
| MML Investors Services, LLC | 22,014 | $394.7K | 0.00% | +6,461+41.5% | Added |
| Xponance, Inc. | 23,749 | $425.8K | 0.00% | +1,335+6.0% | Added |
| Advisory Services Network, LLC | 24,483 | $439.0K | 0.01% | +23,259+1,900.2% | Added |
| Alliance Wealth Advisors, LLC | 24,813 | $444.9K | 0.08% | +2,608+11.7% | Added |
| M&T Bank Corp | 25,105 | $450.5K | 0.00% | +25,105 | New |
| Amundi | 25,885 | $464.1K | 0.00% | −10,806−29.5% | Reduced |
| Empowered Funds, LLC | 26,225 | $470.2K | 0.00% | −725−2.7% | Reduced |
| Truist Financial Corp | 26,294 | $471.5K | 0.00% | −4,806−15.5% | Reduced |
| Simon Quick Advisors, LLC | 26,436 | $474.0K | 0.02% | +2,557+10.7% | Added |
| Susquehanna International Group, LLP | 26,559 | $476.2K | 0.00% | −134,791−83.5% | Reduced |
| Shelton Capital Management | 26,806 | $480.6K | 0.01% | +8,642+47.6% | Added |
| Vident Advisory, LLC | 27,480 | $492.7K | 0.00% | +12,614+84.9% | Added |
| Public Employees Retirement Association of Colorado | 27,553 | $494.0K | 0.00% | 00.0% | Unchanged |
| Mutual of America Capital Management LLC | 28,021 | $502.4K | 0.00% | +22+0.1% | Added |
| Atria Investments LLC | 30,922 | $554.4K | 0.01% | +18,937+158.0% | Added |
| Captrust Financial Advisors | 32,545 | $583.5K | 0.00% | +3,912+13.7% | Added |
| Citadel Advisors LLC | 32,796 | $588.0K | 0.00% | −1,790,456−98.2% | Reduced |
| Vontobel Holding Ltd. | 33,391 | $598.7K | 0.00% | +3,500+11.7% | Added |
| ProShare Advisors LLC | 34,580 | $620.0K | 0.00% | −2,790−7.5% | Reduced |
| OP Asset Management Ltd | 35,177 | $630.7K | 0.01% | +35,177 | New |
| Pictet Asset Management Holding SA | 35,491 | $636.4K | 0.00% | 00.0% | Unchanged |
| Maryland State Retirement & Pension System | 35,626 | $638.8K | 0.01% | 00.0% | Unchanged |
| Parallax Volatility Advisers, L.P. | 38,018 | $681.7K | 0.03% | +38,018 | New |
| First Trust Advisors LP | 38,165 | $684.3K | 0.00% | −108,828−74.0% | Reduced |
| Concentric Capital Strategies, LP | 39,156 | $702.1K | 0.04% | +39,156 | New |
| Caption Management, LLC | 40,000 | $717.2K | 0.03% | +40,000 | New |
| Oppenheimer & Co Inc | 41,146 | $737.7K | 0.01% | −469−1.1% | Reduced |
| Cresset Asset Management, LLC | 42,721 | $766.0K | 0.00% | +165+0.4% | Added |
| Barclays PLC | 44,128 | $791.2K | 0.00% | +338+0.8% | Added |
| Themes Management Co LLC | 45,824 | $821.6K | 0.54% | +6,987+18.0% | Added |
| Sterling Capital Management LLC | 49,036 | $879.2K | 0.01% | +10,800+28.2% | Added |
| 1832 Asset Management L.P. | 50,000 | $896.5K | 0.00% | 00.0% | Unchanged |
| Portside Wealth Group, LLC | 51,881 | $930.2K | 0.11% | +35,339+213.6% | Added |
| Oregon Public Employees Retirement Fund | 55,400 | $993.3K | 0.01% | −500−0.9% | Reduced |
| State Board of Administration of Florida Retirement System | 57,210 | $1.03M | 0.00% | 00.0% | Unchanged |
| Commonwealth of Pennsylvania Public School Empls Retrmt Sys | 58,016 | $1.04M | 0.01% | −2,488−4.1% | Reduced |
| Intech Investment Management LLC | 58,839 | $1.05M | 0.01% | −13,593−18.8% | Reduced |
| Vanguard Investments Australia, Ltd. | 58,950 | $1.06M | 0.00% | 00.0% | Unchanged |
| Teachers Retirement System of the State of Kentucky | 60,506 | $1.08M | 0.01% | 00.0% | Unchanged |
| Victory Capital Management Inc | 62,452 | $1.12M | 0.00% | −89,517−58.9% | Reduced |
| Fox Run Management, L.L.C. | 63,660 | $1.14M | 0.19% | +63,660 | New |
| Sumitomo Life Insurance Co | 63,697 | $1.14M | 0.02% | −12,912−16.9% | Reduced |
| Arizona State Retirement System | 64,064 | $1.15M | 0.01% | −574−0.9% | Reduced |
| Yousif Capital Management, LLC | 65,261 | $1.17M | 0.01% | −635−1.0% | Reduced |
| Amalgamated Bank | 65,654 | $1.18M | 0.01% | −4,521−6.4% | Reduced |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 65,728 | $1.18M | 0.00% | −42,870−39.5% | Reduced |
| Entropy Technologies, LP | 66,696 | $1.20M | 0.05% | +28,189+73.2% | Added |
| LPL Financial LLC | 66,750 | $1.20M | 0.00% | −47,345−41.5% | Reduced |
| State of Tennessee, Treasury Department | 69,793 | $1.25M | 0.00% | +14,250+25.7% | Added |
| Police & Firemen's Retirement System of New Jersey | 71,459 | $1.28M | 0.01% | +6,113+9.4% | Added |
| Brevan Howard Capital Management LP | 72,392 | $1.30M | 0.02% | +72,392 | New |
| Diversify Advisory Services, LLC | 78,781 | $1.33M | 0.02% | +78,781 | New |
| Diversify Wealth Management, LLC | 78,781 | $1.33M | 0.02% | +78,781 | New |
| Qsemble Capital Management, LP | 77,820 | $1.40M | 0.18% | +66,009+558.9% | Added |
| La Banque Postale Asset Management SA | 78,926 | $1.42M | 0.01% | +680+0.9% | Added |
| Voya Investment Management LLC | 79,030 | $1.42M | 0.00% | −1,089,198−93.2% | Reduced |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 79,177 | $1.42M | 0.00% | −636−0.8% | Reduced |
| Deltec Asset Management LLC | 80,000 | $1.43M | 0.21% | +80,000 | New |
| O'Connor Alternative Investments LLC | 82,400 | $1.48M | 0.11% | +82,400 | New |
| State of New Jersey Common Pension Fund D | 84,156 | $1.51M | 0.01% | −20,591−19.7% | Reduced |
| XTX Topco Ltd | 84,878 | $1.52M | 0.02% | +47,700+128.3% | Added |
| New York State Common Retirement Fund | 85,090 | $1.53M | 0.00% | +10,300+13.8% | Added |
| Handelsbanken Fonder AB | 89,031 | $1.60M | 0.00% | 00.0% | Unchanged |
| State of Alaska, Department of Revenue | 91,642 | $1.64M | 0.02% | −40,203−30.5% | Reduced |