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, Q4 2024
Institutional positions in Mirion Technologies, Inc. as of Dec 31, 2024. 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
- 224
- +52 vs. Q3 2024
- Shares held
- 193.9M
- −10.7M (−5.2%) vs. Q3 2024
- Total value
- $3.38B
- +$1.12B (+49.4%) vs. Q3 2024
- New holders
- 75
- 82 more added
- Sold out
- 23
- 55 more reduced
4 institutions that held it in Q3 2024 haven't filed for Q4 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 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, Q4 2024
Shares, value and share of portfolio for each institution holding Mirion Technologies, Inc.; share changes are against Q3 2024.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Adage Capital Partners GP, L.L.C. | 140,958 | $2.46M | 0.00% | −3,479,716−96.1% | Reduced |
| Price T Rowe Associates Inc | 140,276 | $2.45M | 0.00% | +16,910+13.7% | Added |
| Roubaix Capital, LLC | 136,640 | $2.38M | 1.14% | −248,490−64.5% | Reduced |
| State of New Jersey Common Pension Fund D | 129,100 | $2.25M | 0.01% | −50,898−28.3% | Reduced |
| New York State Common Retirement Fund | 125,422 | $2.19M | 0.00% | −6,993−5.3% | Reduced |
| Ardsley Advisory Partners LP | 125,000 | $2.18M | 0.42% | 00.0% | Unchanged |
| MetLife Investment Management | 124,137 | $2.17M | 0.01% | +6,878+5.9% | Added |
| First Manhattan Co | 120,157 | $2.10M | 0.01% | −1,586,360−93.0% | Reduced |
| Mirae Asset Global ETFs Holdings Ltd. | 117,596 | $2.05M | 0.00% | +8,201+7.5% | Added |
| Citadel Advisors LLC | 111,237 | $1.94M | 0.00% | +87,975+378.2% | Added |
| First Trust Advisors LP | 109,257 | $1.91M | 0.00% | −155,689−58.8% | Reduced |
| Graham Capital Management, L.P. | 107,748 | $1.88M | 0.06% | +107,748 | New |
| Manufacturers Life Insurance Company, The | 107,132 | $1.87M | 0.00% | −1,625−1.5% | Reduced |
| State of Wyoming | 104,750 | $1.83M | 0.23% | +22,126+26.8% | Added |
| Walleye Capital LLC | 103,151 | $1.80M | 0.02% | +103,151 | New |
| Corebridge Financial, Inc. | 102,702 | $1.79M | 0.01% | −4,158−3.9% | Reduced |
| CastleKnight Management LP | 99,900 | $1.74M | 0.19% | +99,900 | New |
| Nomura Holdings Inc | 97,824 | $1.71M | 0.01% | +97,824 | New |
| Bryce Point Capital, LLC | 95,998 | $1.68M | 0.49% | +95,998 | New |
| Ameriprise Financial Inc | 93,322 | $1.63M | 0.00% | +93,322 | New |
| Intech Investment Management LLC | 92,734 | $1.62M | 0.02% | +40,093+76.2% | Added |
| Susquehanna International Group, LLP | 89,825 | $1.57M | 0.00% | +63,436+240.4% | Added |
| Exchange Traded Concepts, LLC | 88,830 | $1.55M | 0.03% | +66,132+291.4% | Added |
| AQR Capital Management LLC | 88,812 | $1.55M | 0.00% | +88,812 | New |
| Sterling Capital Management LLC | 84,871 | $1.48M | 0.02% | +84,245+13,457.7% | Added |
| Wolverine Trading, LLC | 69,607 | $1.22M | 0.03% | +69,607 | New |
| Handelsbanken Fonder AB | 61,031 | $1.06M | 0.00% | +5,800+10.5% | Added |
| Voya Investment Management LLC | 60,308 | $1.05M | 0.00% | −5,171−7.9% | Reduced |
| Moore Capital Management, LP | 59,817 | $1.04M | 0.02% | −538,353−90.0% | Reduced |
| Cresset Asset Management, LLC | 58,500 | $1.02M | 0.00% | +58,500 | New |
| ProShare Advisors LLC | 58,179 | $1.02M | 0.00% | +20,414+54.1% | Added |
| State Board of Administration of Florida Retirement System | 57,210 | $998.3K | 0.00% | 00.0% | Unchanged |
| Arizona State Retirement System | 55,606 | $970.3K | 0.01% | +316+0.6% | Added |
| Squarepoint Ops LLC | 54,528 | $951.5K | 0.00% | −135,086−71.2% | Reduced |
| Engineers Gate Manager LP | 48,932 | $853.9K | 0.01% | +48,932 | New |
| Police & Firemen's Retirement System of New Jersey | 44,108 | $769.7K | 0.01% | +44,108 | New |
| Counterpoint Mutual Funds LLC | 44,022 | $768.2K | 0.10% | +44,022 | New |
| Group One Trading, L.P. | 43,240 | $754.5K | 0.03% | +43,240 | New |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 38,387 | $669.9K | 0.00% | +10,282+36.6% | Added |
| Pathstone Holdings, LLC | 38,238 | $667.3K | 0.00% | +11,377+42.4% | Added |
| KLP Kapitalforvaltning AS | 37,500 | $654.4K | 0.00% | +37,500 | New |
| Balyasny Asset Management LLC | 36,502 | $637.0K | 0.00% | +36,502 | New |
| Susquehanna Fundamental Investments, LLC | 36,400 | $635.2K | 0.01% | +36,400 | New |
| Campbell & CO Investment Adviser LLC | 35,597 | $621.2K | 0.05% | +23,067+184.1% | Added |
| Oppenheimer & Co Inc | 35,163 | $613.6K | 0.01% | −23,097−39.6% | Reduced |
| Pictet Asset Management Holding SA | 28,114 | $490.6K | 0.00% | +3,496+14.2% | Added |
| Royal Bank of Canada | 27,587 | $482.0K | 0.00% | +694+2.6% | Added |
| BNP Paribas Arbitrage, SA | 27,520 | $480.2K | 0.00% | +27,520 | New |
| Victory Capital Management Inc | 27,476 | $479.5K | 0.00% | +195+0.7% | Added |
| The PNC Financial Services Group, Inc. | 26,133 | $456.0K | 0.00% | −8,329−24.2% | Reduced |
| State of Wisconsin Investment Board | 25,896 | $451.9K | 0.00% | −6,665−20.5% | Reduced |
| Jain Global LLC | 25,665 | $447.9K | 0.01% | +25,665 | New |
| HSBC Holdings PLC | 24,029 | $421.5K | 0.00% | −1,075−4.3% | Reduced |
| Simon Quick Advisors, LLC | 24,054 | $419.7K | 0.03% | +7,978+49.6% | Added |
| Occudo Quantitative Strategies LP | 22,566 | $393.8K | 0.07% | +22,566 | New |
| XTX Topco Ltd | 22,553 | $393.6K | 0.03% | −4,846−17.7% | Reduced |
| Y-Intercept (Hong Kong) Ltd | 22,551 | $393.5K | 0.03% | +22,551 | New |
| Gilder Gagnon Howe & Co LLC | 22,234 | $388.0K | 0.00% | +22,234 | New |
| Mackenzie Financial Corp | 21,908 | $382.3K | 0.00% | +9,291+73.6% | Added |
| Ameritas Investment Partners, Inc. | 21,611 | $377.1K | 0.01% | +2,031+10.4% | Added |
| Jane Street Group, LLC | 20,679 | $360.8K | 0.00% | −102,961−83.3% | Reduced |
| Creative Planning | 20,300 | $354.2K | 0.00% | +9,537+88.6% | Added |
| Mariner, LLC | 20,041 | $349.7K | 0.00% | −20−0.1% | Reduced |
| Envestnet Asset Management Inc | 19,386 | $338.3K | 0.00% | +865+4.7% | Added |
| CIBC World Markets Corp | 19,332 | $337.3K | 0.00% | +19,332 | New |
| STRS Ohio | 19,300 | $336.8K | 0.00% | +19,300 | New |
| Integrated Advisors Network LLC | 18,491 | $322.7K | 0.02% | +7,647+70.5% | Added |
| Diametric Capital, LP | 16,557 | $288.9K | 0.20% | +16,557 | New |
| Teacher Retirement System of Texas | 15,832 | $276.0K | 0.00% | −26,386−62.5% | Reduced |
| Xponance, Inc. | 14,942 | $260.7K | 0.00% | +2,048+15.9% | Added |
| Prudential Financial Inc | 14,695 | $256.4K | 0.00% | 00.0% | Unchanged |
| Options Solutions, LLC | 13,762 | $240.1K | 0.11% | +13,762 | New |
| Truist Financial Corp | 13,682 | $238.8K | 0.00% | +87+0.6% | Added |
| Sanctuary Advisors, LLC | 14,913 | $236.2K | 0.00% | −417−2.7% | Reduced |
| Principal Financial Group Inc | 12,237 | $213.5K | 0.00% | −2,479−16.8% | Reduced |
| LPL Financial LLC | 12,106 | $211.3K | 0.00% | +12,106 | New |
| Landscape Capital Management, L.L.C. | 11,960 | $208.7K | 0.02% | −1,291−9.7% | Reduced |
| Longboard Asset Management, LP | 11,594 | $202.3K | 0.54% | +11,594 | New |
| CI Private Wealth, LLC | 10,700 | $186.7K | 0.00% | +10,700 | New |
| SkyView Investment Advisors, LLC | 10,000 | $175.0K | 0.03% | 00.0% | Unchanged |
| KBC Group NV | 8,002 | $140.0K | 0.00% | +2,254+39.2% | Added |
| Amalgamated Bank | 7,038 | $123.0K | 0.00% | 00.0% | Unchanged |
| Harvest Fund Management Co., Ltd | 6,858 | $120.0K | 0.01% | +6,858 | New |
| Tower Research Capital LLC (TRC) | 6,649 | $116.0K | 0.00% | +4,120+162.9% | Added |
| US Bancorp | 6,262 | $109.3K | 0.00% | +6,075+3,248.7% | Added |
| Central Pacific Bank - Trust Division | 5,000 | $87.3K | 0.01% | −2,600−34.2% | Reduced |
| Nisa Investment Advisors, LLC | 2,796 | $48.8K | 0.00% | +184+7.0% | Added |
| Parallel Advisors, LLC | 1,735 | $30.3K | 0.00% | +204+13.3% | Added |
| Comerica Bank | 1,246 | $21.7K | 0.00% | +185+17.4% | Added |
| Optiver Holding B.V. | 1,123 | $19.6K | 0.00% | +488+76.9% | Added |
| Bessemer Group Inc | 1,110 | $19.0K | 0.00% | +1,110 | New |
| Quadrant Capital Group LLC | 988 | $17.2K | 0.00% | +215+27.8% | Added |
| Clearstead Advisors, LLC | 924 | $16.1K | 0.00% | +192+26.2% | Added |
| Advisor Group Holdings, Inc. | 902 | $15.7K | 0.00% | +170+23.2% | Added |
| Aster Capital Management (DIFC) Ltd | 855 | $14.9K | 0.01% | +855 | New |
| Smartleaf Asset Management LLC | 763 | $13.3K | 0.00% | +438+134.8% | Added |
| Avion Wealth | 620 | $10.0K | 0.00% | 00.0% | Unchanged |
| CWM, LLC | 571 | $10.0K | 0.00% | +376+192.8% | Added |
| SRS Capital Advisors, Inc. | 438 | $7.64K | 0.00% | +37+9.2% | Added |
| CIBC Private Wealth Group, LLC | 400 | $6.62K | 0.00% | 00.0% | Unchanged |