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, Q3 2024
Institutional positions in Mirion Technologies, Inc. as of Sep 30, 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
- 176
- +22 vs. Q2 2024
- Shares held
- 205.1M
- +23.7M (+13.0%) vs. Q2 2024
- Total value
- $2.27B
- +$324.1M (+16.6%) vs. Q2 2024
- New holders
- 36
- 74 more added
- Sold out
- 14
- 42 more reduced
1 institution that held it in Q2 2024 haven't filed for Q3 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q2 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, Q3 2024
Shares, value and share of portfolio for each institution holding Mirion Technologies, Inc.; share changes are against Q2 2024.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| New York State Common Retirement Fund | 132,415 | $1.47M | 0.00% | −19,700−13.0% | Reduced |
| Russell Investments Group, Ltd. | 163,766 | $1.81M | 0.00% | −36,959−18.4% | Reduced |
| Deutsche Bank AG | 170,438 | $1.89M | 0.00% | +30,598+21.9% | Added |
| Citigroup Inc | 174,549 | $1.93M | 0.00% | +67,986+63.8% | Added |
| State of New Jersey Common Pension Fund D | 179,998 | $1.99M | 0.01% | +4,043+2.3% | Added |
| Legato Capital Management LLC | 181,968 | $2.01M | 0.25% | 00.0% | Unchanged |
| California State Teachers Retirement System | 182,241 | $2.02M | 0.00% | +9,804+5.7% | Added |
| Maverick Capital LtdSuperinvestorMaverick Capital | 183,427 | $2.03M | 0.04% | +23,616+14.8% | Added |
| Verition Fund Management LLC | 188,210 | $2.08M | 0.01% | +188,210 | New |
| Squarepoint Ops LLC | 189,614 | $2.10M | 0.01% | +37,544+24.7% | Added |
| Legal & General Group Plc | 193,811 | $2.15M | 0.00% | +25,627+15.2% | Added |
| Alberta Investment Management Corp | 193,999 | $2.15M | 0.02% | +25,849+15.4% | Added |
| M&T Bank Corp | 200,228 | $2.22M | 0.01% | +570.0% | Added |
| Yaupon Capital Management LP | 214,042 | $2.37M | 0.16% | +214,042 | New |
| Hollow Brook Wealth Management LLC | 217,178 | $2.40M | 0.71% | +9,572+4.6% | Added |
| JPMorgan Chase & Co | 220,133 | $2.44M | 0.00% | −129,586−37.1% | Reduced |
| Alliancebernstein L.P. | 220,657 | $2.44M | 0.00% | +2,548+1.2% | Added |
| Wells Fargo & Company | 225,768 | $2.50M | 0.00% | +41,982+22.8% | Added |
| Bank of America Corp | 235,032 | $2.60M | 0.00% | +48,426+26.0% | Added |
| Portolan Capital Management, LLC | 236,975 | $2.62M | 0.19% | +236,975 | New |
| Invesco Ltd. | 264,248 | $2.93M | 0.00% | +15,688+6.3% | Added |
| First Trust Advisors LP | 264,946 | $2.93M | 0.00% | −21,997−7.7% | Reduced |
| UBS Asset Management Americas Inc | 292,837 | $3.24M | 0.00% | −36,378−11.0% | Reduced |
| Barclays PLC | 307,680 | $3.41M | 0.00% | +235,288+325.0% | Added |
| Rhumbline Advisers | 310,179 | $3.43M | 0.00% | −15,390−4.7% | Reduced |
| Segall Bryant & Hamill, LLC | 339,674 | $3.76M | 0.05% | −13,872−3.9% | Reduced |
| Sandler Capital Management | 345,000 | $3.82M | 0.74% | +345,000 | New |
| Essex Investment Management Co LLC | 351,478 | $3.89M | 0.68% | +980+0.3% | Added |
| Rice Hall James & Associates, LLC | 352,737 | $3.90M | 0.21% | +131,453+59.4% | Added |
| Aperture Investors, LLC | 369,226 | $4.09M | 0.52% | +149,132+67.8% | Added |
| Swiss National Bank | 374,800 | $4.15M | 0.00% | +31,200+9.1% | Added |
| Roubaix Capital, LLC | 385,130 | $4.26M | 2.35% | +385,130 | New |
| TD Asset Management Inc | 388,956 | $4.30M | 0.00% | +10,406+2.7% | Added |
| Telemark Asset Management, LLC | 400,000 | $4.43M | 0.45% | +400,000 | New |
| Lazard Asset Management LLC | 408,037 | $4.52M | 0.01% | +15,773+4.0% | Added |
| Shellback Capital, LP | 408,810 | $4.53M | 0.37% | +408,810 | New |
| Nicholas Investment Partners, LP | 438,165 | $4.85M | 0.45% | −48,126−9.9% | Reduced |
| Jennison Associates LLC | 465,553 | $5.15M | 0.00% | +393,752+548.4% | Added |
| Freshford Capital Management, LLC | 475,801 | $5.27M | 1.65% | +475,801 | New |
| Royce & Associates LP | 484,000 | $5.36M | 0.05% | +4,000+0.8% | Added |
| Moore Capital Management, LP | 598,170 | $6.62M | 0.19% | +598,170 | New |
| Gabelli Funds LLC | 616,688 | $6.83M | 0.05% | −45,000−6.8% | Reduced |
| Qube Research & Technologies Ltd | 621,725 | $6.88M | 0.01% | +461,621+288.3% | Added |
| Gamco Investors, Inc. Et Al | 634,770 | $7.03M | 0.07% | −100,875−13.7% | Reduced |
| UBS Group AG | 644,457 | $7.13M | 0.00% | +219,535+51.7% | Added |
| Bank of New York Mellon Corp | 648,181 | $7.18M | 0.00% | −168,573−20.6% | Reduced |
| Eagle Asset Management Inc | 505,247 | $7.82M | 0.04% | +190,654+60.6% | Added |
| Nuveen Asset Management, LLC | 793,384 | $8.78M | 0.00% | +12,278+1.6% | Added |
| Morgan Stanley | 869,202 | $9.62M | 0.00% | +284,556+48.7% | Added |
| Crestline Management, LP | 941,649 | $10.4M | 0.59% | +131,649+16.3% | Added |
| Chescapmanager LLC | 1,041,401 | $11.5M | 1.94% | +7,595+0.7% | Added |
| Lord, Abbett & Co. LLC | 1,387,535 | $15.4M | 0.05% | −54,503−3.8% | Reduced |
| Schwartz Investment Counsel Inc | 1,519,300 | $16.8M | 0.60% | 00.0% | Unchanged |
| Millennium Management LLC | 1,548,297 | $17.1M | 0.01% | +1,014,763+190.2% | Added |
| Charles Schwab Investment Management Inc | 1,559,576 | $17.3M | 0.00% | +38,474+2.5% | Added |
| First Manhattan Co | 1,706,517 | $18.9M | 0.06% | −17,874−1.0% | Reduced |
| Northern Trust Corp | 1,713,425 | $19.0M | 0.00% | +56,577+3.4% | Added |
| FIL Ltd | 2,510,893 | $27.8M | 0.03% | +2,135,555+569.0% | Added |
| ArrowMark Colorado Holdings LLC | 3,000,060 | $33.2M | 0.43% | +241,334+8.7% | Added |
| Corsair Capital Management, L.P. | 3,160,850 | $35.0M | 8.28% | +1,441,846+83.9% | Added |
| P2 Capital Partners, LLC | 3,350,000 | $37.1M | 4.23% | −1,351,000−28.7% | Reduced |
| Adage Capital Partners GP, L.L.C. | 3,620,674 | $40.1M | 0.07% | +375,000+11.6% | Added |
| American Century Companies Inc | 3,812,596 | $42.2M | 0.02% | −129,975−3.3% | Reduced |
| ACK Asset Management LLC | 4,246,300 | $47.0M | 5.81% | +948,720+28.8% | Added |
| Select Equity Group, L.P. | 4,317,704 | $47.8M | 0.17% | −1,466,184−25.3% | Reduced |
| Geode Capital Management, LLC | 4,502,455 | $49.9M | 0.00% | +147,408+3.4% | Added |
| State Street Corp | 5,365,728 | $59.4M | 0.00% | +138,648+2.7% | Added |
| Dimensional Fund Advisors LP | 7,013,776 | $77.6M | 0.02% | +901,843+14.8% | Added |
| Alyeska Investment Group, L.P. | 7,818,626 | $86.6M | 0.44% | +843,592+12.1% | Added |
| Cooperman Leon G | 8,025,000 | $88.8M | 3.77% | +25,000+0.3% | Added |
| Janus Henderson Group PLC | 8,100,777 | $89.7M | 0.05% | −584,490−6.7% | Reduced |
| Swedbank AB | 10,219,000 | $113.1M | 0.14% | −162,062−1.6% | Reduced |
| BlackRock, Inc. | 15,972,920 | $176.8M | 0.00% | +15,972,920 | New |
| T. Rowe Price Investment Management, Inc. | 20,171,888 | $223.3M | 0.13% | +190,277+1.0% | Added |
| Vanguard Group Inc | 23,682,624 | $262.2M | 0.00% | +1,797,077+8.2% | Added |
| Goldman Sachs Group Inc | 34,809,020 | $385.3M | 0.07% | −3,168,827−8.3% | Reduced |
| Bornite Capital Management LP | 0 | $0 | 0.00% | −1,027,600−100.0% | Sold out |
| Walleye Capital LLC | 0 | $0 | 0.00% | −30,271−100.0% | Sold out |
| Cowen and Company, LLC | 0 | $0 | 0.00% | −25,000−100.0% | Sold out |
| Capstone Investment Advisors, LLC | 0 | $0 | 0.00% | −24,579−100.0% | Sold out |
| Diametric Capital, LP | 0 | $0 | 0.00% | −23,327−100.0% | Sold out |
| Algert Global LLC | 0 | $0 | 0.00% | −17,609−100.0% | Sold out |
| Omers Administration Corp | 0 | $0 | 0.00% | −17,100−100.0% | Sold out |
| Phoenix Holdings Ltd. | 0 | $0 | 0.00% | −16,547−100.0% | Sold out |
| LPL Financial LLC | 0 | $0 | 0.00% | −10,473−100.0% | Sold out |
| Innealta Capital, LLC | 0 | $0 | 0.00% | −3,590−100.0% | Sold out |
| SYSTM Wealth Solutions LLC | 0 | $0 | 0.00% | −697−100.0% | Sold out |
| Quarry LP | 0 | $0 | 0.00% | −603−100.0% | Sold out |
| Albion Financial Group | 0 | $0 | 0.00% | −300−100.0% | Sold out |
| Mather Group, LLC. | 0 | $0 | 0.00% | −150−100.0% | Sold out |
| BlackRock Inc. | – | – | – | – | Not filed |