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 2023
Institutional positions in Mirion Technologies, Inc. as of Jun 30, 2023. 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
- 124
- +7 vs. Q1 2023
- Shares held
- 181.4M
- +11.4M (+6.7%) vs. Q1 2023
- Total value
- $1.53B
- +$80.6M (+5.6%) vs. Q1 2023
- New holders
- 19
- 66 more added
- Sold out
- 12
- 19 more reduced
Compare with Q1 2023: 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 2023
Shares, value and share of portfolio for each institution holding Mirion Technologies, Inc.; share changes are against Q1 2023.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Goldman Sachs Group Inc | 34,800,291 | $294.1M | 0.07% | −11,5450.0% | Reduced |
| Vanguard Group Inc | 19,298,276 | $163.1M | 0.00% | +934,000+5.1% | Added |
| T. Rowe Price Investment Management, Inc. | 19,023,595 | $160.8M | 0.11% | +1,328,204+7.5% | Added |
| BlackRock Inc. | 13,863,989 | $117.2M | 0.00% | +3,328,271+31.6% | Added |
| Swedbank AB | 10,383,000 | $87.7M | 0.15% | +991,021+10.6% | Added |
| Janus Henderson Group PLC | 9,704,309 | $82.0M | 0.05% | −1,296,238−11.8% | Reduced |
| Cooperman Leon G | 7,400,000 | $62.5M | 3.39% | +951,427+14.8% | Added |
| Nomura Holdings Inc | 4,986,474 | $42.1M | 0.43% | −18,362−0.4% | Reduced |
| State Street Corp | 4,836,788 | $40.9M | 0.00% | +1,051,186+27.8% | Added |
| FMR LLC | 4,707,083 | $39.8M | 0.00% | −3,945,110−45.6% | Reduced |
| P2 Capital Partners, LLC | 4,389,571 | $37.1M | 4.32% | +1,511,203+52.5% | Added |
| Alyeska Investment Group, L.P. | 3,869,493 | $32.7M | 0.25% | −1,154,205−23.0% | Reduced |
| Kohlberg Kravis Roberts & Co. L.P. | 3,445,894 | $29.1M | 0.90% | +58,158+1.7% | Added |
| Geode Capital Management, LLC | 3,158,057 | $26.7M | 0.00% | +707,193+28.9% | Added |
| ArrowMark Colorado Holdings LLC | 2,886,163 | $24.4M | 0.27% | +219,015+8.2% | Added |
| Corsair Capital Management, L.P. | 2,217,143 | $18.7M | 6.39% | −128,690−5.5% | Reduced |
| First Manhattan Co | 1,807,574 | $15.3M | 0.06% | −10,440−0.6% | Reduced |
| Northern Trust Corp | 1,619,107 | $13.7M | 0.00% | +432,600+36.5% | Added |
| Schwartz Investment Counsel Inc | 1,565,000 | $13.2M | 0.56% | 00.0% | Unchanged |
| Lord, Abbett & Co. LLC | 1,553,794 | $13.1M | 0.05% | +133,381+9.4% | Added |
| Morgan Stanley | 1,464,289 | $12.4M | 0.00% | +314,033+27.3% | Added |
| American Century Companies Inc | 1,369,733 | $11.6M | 0.01% | +1,369,733 | New |
| Dimensional Fund Advisors LP | 1,359,817 | $11.5M | 0.00% | +1,359,817 | New |
| Crestline Management, LP | 1,359,086 | $11.5M | 1.25% | +185,291+15.8% | Added |
| Nuveen Asset Management, LLC | 1,306,153 | $11.0M | 0.00% | +239,176+22.4% | Added |
| Bpifrance SA | 1,286,446 | $10.9M | 0.29% | 00.0% | Unchanged |
| Barrow Hanley Mewhinney & Strauss LLC | 1,200,133 | $10.1M | 0.04% | −20,328−1.7% | Reduced |
| Pantechnicon Advisors LLP | 1,200,000 | $10.1M | 4.65% | +170,000+16.5% | Added |
| Charles Schwab Investment Management Inc | 1,092,224 | $9.23M | 0.00% | +151,894+16.2% | Added |
| Pentwater Capital Management LP | 850,000 | $7.18M | 0.09% | +50,000+6.3% | Added |
| CIBC World Markets Corp | 775,000 | $6.55M | 0.05% | +275,000+55.0% | Added |
| Adage Capital Partners GP, L.L.C. | 750,000 | $6.34M | 0.01% | +750,000 | New |
| Gabelli Funds LLC | 722,000 | $6.10M | 0.05% | +5,000+0.7% | Added |
| Arrowstreet Capital, Limited Partnership | 696,966 | $5.89M | 0.01% | +164,701+30.9% | Added |
| Bank of New York Mellon Corp | 672,954 | $5.69M | 0.00% | +214,309+46.7% | Added |
| Carlson Capital L P | 551,474 | $4.66M | 0.40% | −2,461−0.4% | Reduced |
| ING Groep NV | 500,000 | $4.22M | 0.03% | 00.0% | Unchanged |
| Roubaix Capital, LLC | 499,479 | $4.22M | 3.10% | +51,328+11.5% | Added |
| Sculptor Capital LP | 459,405 | $3.88M | 0.10% | +180,000+64.4% | Added |
| Schonfeld Strategic Advisors LLC | 402,697 | $3.40M | 0.03% | −258,710−39.1% | Reduced |
| Swiss National Bank | 355,100 | $3.00M | 0.00% | +74,400+26.5% | Added |
| TD Asset Management Inc | 321,558 | $2.72M | 0.00% | −9,400−2.8% | Reduced |
| Rhumbline Advisers | 316,083 | $2.67M | 0.00% | +94,504+42.7% | Added |
| Russell Investments Group, Ltd. | 310,606 | $2.62M | 0.01% | +46,275+17.5% | Added |
| Select Equity Group, L.P. | 283,298 | $2.39M | 0.01% | +123,832+77.7% | Added |
| Renaissance Technologies LLC | 258,496 | $2.18M | 0.00% | +124,396+92.8% | Added |
| Bank of America Corp | 253,851 | $2.15M | 0.00% | +9,165+3.7% | Added |
| Scopus Asset Management, L.P. | 250,000 | $2.11M | 0.07% | 00.0% | Unchanged |
| JPMorgan Chase & Co | 232,638 | $1.97M | 0.00% | +64,396+38.3% | Added |
| Gamco Investors, Inc. Et Al | 230,225 | $1.95M | 0.02% | +10,225+4.6% | Added |
| Royce & Associates LP | 225,000 | $1.90M | 0.02% | 00.0% | Unchanged |
| Alliancebernstein L.P. | 221,800 | $1.87M | 0.00% | +72,542+48.6% | Added |
| Susquehanna International Group, LLP | 214,138 | $1.81M | 0.00% | −19,526−8.4% | Reduced |
| California State Teachers Retirement System | 210,205 | $1.78M | 0.00% | +45,002+27.2% | Added |
| Hudson Bay Capital Management LP | 210,188 | $1.78M | 0.02% | −157,919−42.9% | Reduced |
| M&T Bank Corp | 200,392 | $1.69M | 0.01% | +20,100+11.1% | Added |
| Squarepoint Ops LLC | 197,973 | $1.67M | 0.01% | +92,223+87.2% | Added |
| Invesco Ltd. | 196,375 | $1.66M | 0.00% | +12,674+6.9% | Added |
| Qube Research & Technologies Ltd | 184,843 | $1.56M | 0.01% | +22,625+13.9% | Added |
| Legal & General Group Plc | 148,094 | $1.25M | 0.00% | +83,826+130.4% | Added |
| Credit Suisse AG | 146,627 | $1.24M | 0.00% | +31,989+27.9% | Added |
| Occudo Quantitative Strategies LP | 146,450 | $1.24M | 0.13% | +76,602+109.7% | Added |
| UBS Group AG | 136,655 | $1.15M | 0.00% | +83,119+155.3% | Added |
| UBS Asset Management Americas Inc | 130,379 | $1.11M | 0.00% | 00.0% | Unchanged |
| Boston Partners | 127,077 | $1.07M | 0.00% | +10,911+9.4% | Added |
| Susquehanna Fundamental Investments, LLC | 126,953 | $1.07M | 0.04% | 00.0% | Unchanged |
| MetLife Investment Management | 106,362 | $898.8K | 0.01% | +32,412+43.8% | Added |
| Ardsley Advisory Partners LP | 100,000 | $845.0K | 0.19% | +100,000 | New |
| American International Group, Inc. | 96,489 | $815.3K | 0.00% | +30,369+45.9% | Added |
| Mirae Asset Global Investments Co., Ltd. | 90,717 | $766.6K | 0.00% | +34,019+60.0% | Added |
| Wells Fargo & Company | 84,502 | $714.0K | 0.00% | +55,836+194.8% | Added |
| Deutsche Bank AG | 82,173 | $694.4K | 0.00% | −8,468−9.3% | Reduced |
| New York State Common Retirement Fund | 80,282 | $678.4K | 0.00% | +8,466+11.8% | Added |
| Manufacturers Life Insurance Company, The | 79,843 | $674.7K | 0.00% | +23,454+41.6% | Added |
| Voya Investment Management LLC | 79,796 | $674.3K | 0.00% | +27,289+52.0% | Added |
| Nordwand Advisors, LLC | 70,600 | $596.6K | 0.10% | 00.0% | Unchanged |
| Barclays PLC | 69,465 | $587.0K | 0.00% | −126−0.2% | Reduced |
| Citigroup Inc | 64,641 | $546.2K | 0.00% | +53,726+492.2% | Added |
| State Board of Administration of Florida Retirement System | 56,910 | $480.9K | 0.00% | +56,910 | New |
| Arizona State Retirement System | 45,812 | $387.1K | 0.00% | +8,123+21.6% | Added |
| Handelsbanken Fonder AB | 43,500 | $368.0K | 0.00% | +20,600+90.0% | Added |
| Jane Street Group, LLC | 43,287 | $365.8K | 0.00% | +17,438+67.5% | Added |
| Price T Rowe Associates Inc | 40,586 | $343.0K | 0.00% | +14,898+58.0% | Added |
| ProShare Advisors LLC | 26,072 | $220.3K | 0.00% | +9,948+61.7% | Added |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 25,442 | $215.0K | 0.00% | +4,420+21.0% | Added |
| Victory Capital Management Inc | 22,667 | $191.5K | 0.00% | +1,712+8.2% | Added |
| Pictet Asset Management SA | 22,152 | $187.2K | 0.00% | +6,068+37.7% | Added |
| GWM Advisors LLC | 21,902 | $185.1K | 0.00% | 00.0% | Unchanged |
| Principal Financial Group Inc | 21,285 | $179.9K | 0.00% | +5,673+36.3% | Added |
| LPL Financial LLC | 21,078 | $178.1K | 0.00% | +21,078 | New |
| Royal Bank of Canada | 20,914 | $177.0K | 0.00% | +13,239+172.5% | Added |
| Quantbot Technologies LP | 20,730 | $175.2K | 0.01% | +20,730 | New |
| Kestra Advisory Services, LLC | 19,001 | $160.6K | 0.00% | 00.0% | Unchanged |
| Jump Financial, LLC | 18,272 | $154.4K | 0.01% | +18,272 | New |
| Amalgamated Bank | 16,897 | $143.0K | 0.00% | +2,722+19.2% | Added |
| Ameritas Investment Partners, Inc. | 16,554 | $139.9K | 0.01% | +6,279+61.1% | Added |
| HRT Financial LP | 15,785 | $133.0K | 0.00% | +15,785 | New |
| Tower Research Capital LLC (TRC) | 15,671 | $132.4K | 0.00% | +12,724+431.8% | Added |
| Mariner, LLC | 14,187 | $119.9K | 0.00% | +14,187 | New |
| Verition Fund Management LLC | 14,118 | $119.3K | 0.00% | +14,118 | New |