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 2024
Institutional positions in Mirion Technologies, Inc. as of Jun 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
- 155
- +13 vs. Q1 2024
- Shares held
- 197.3M
- +8.85M (+4.7%) vs. Q1 2024
- Total value
- $2.12B
- −$23.6M (−1.1%) vs. Q1 2024
- New holders
- 35
- 58 more added
- Sold out
- 22
- 44 more reduced
1 institution that held it in Q1 2024 haven't filed for Q2 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 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, Q2 2024
Shares, value and share of portfolio for each institution holding Mirion Technologies, Inc.; share changes are against Q1 2024.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Goldman Sachs Group Inc | 37,977,847 | $407.9M | 0.08% | +3,171,556+9.1% | Added |
| Vanguard Group Inc | 21,885,547 | $235.1M | 0.00% | +577,516+2.7% | Added |
| T. Rowe Price Investment Management, Inc. | 19,981,611 | $214.6M | 0.14% | −659,829−3.2% | Reduced |
| BlackRock Inc. | 15,802,384 | $169.7M | 0.00% | +246,889+1.6% | Added |
| Swedbank AB | 10,381,062 | $111.5M | 0.15% | −396,938−3.7% | Reduced |
| Janus Henderson Group PLC | 8,685,267 | $93.3M | 0.05% | −717,847−7.6% | Reduced |
| Cooperman Leon G | 8,000,000 | $85.9M | 3.63% | +486,600+6.5% | Added |
| Alyeska Investment Group, L.P. | 6,975,034 | $74.9M | 0.43% | +51,235+0.7% | Added |
| Dimensional Fund Advisors LP | 6,111,933 | $65.6M | 0.02% | +1,031,966+20.3% | Added |
| Select Equity Group, L.P. | 5,783,888 | $62.1M | 0.25% | −176,645−3.0% | Reduced |
| State Street Corp | 5,227,080 | $56.1M | 0.00% | +176,544+3.5% | Added |
| P2 Capital Partners, LLC | 4,701,000 | $50.5M | 6.02% | −819,000−14.8% | Reduced |
| Geode Capital Management, LLC | 4,355,047 | $46.8M | 0.00% | +154,440+3.7% | Added |
| American Century Companies Inc | 3,942,571 | $42.3M | 0.03% | +1,507,101+61.9% | Added |
| ACK Asset Management LLC | 3,297,580 | $35.4M | 4.37% | +3,297,580 | New |
| Adage Capital Partners GP, L.L.C. | 3,245,674 | $34.9M | 0.06% | +204,875+6.7% | Added |
| ArrowMark Colorado Holdings LLC | 2,758,726 | $29.6M | 0.35% | −40,266−1.4% | Reduced |
| First Manhattan Co | 1,724,391 | $18.5M | 0.06% | −35,983−2.0% | Reduced |
| Corsair Capital Management, L.P. | 1,719,004 | $18.5M | 5.17% | −23,213−1.3% | Reduced |
| Northern Trust Corp | 1,656,848 | $17.8M | 0.00% | −53,565−3.1% | Reduced |
| Charles Schwab Investment Management Inc | 1,521,102 | $16.3M | 0.00% | +40,948+2.8% | Added |
| Schwartz Investment Counsel Inc | 1,519,300 | $16.3M | 0.60% | +20,000+1.3% | Added |
| Lord, Abbett & Co. LLC | 1,442,038 | $15.5M | 0.05% | −94,173−6.1% | Reduced |
| Chescapmanager LLC | 1,033,806 | $11.1M | 1.75% | +660,645+177.0% | Added |
| Bornite Capital Management LP | 1,027,600 | $11.0M | 1.82% | +1,027,600 | New |
| Bank of New York Mellon Corp | 816,754 | $8.77M | 0.00% | +97,887+13.6% | Added |
| Crestline Management, LP | 810,000 | $8.70M | 0.68% | 00.0% | Unchanged |
| Nuveen Asset Management, LLC | 781,106 | $8.39M | 0.00% | −382,203−32.9% | Reduced |
| Gamco Investors, Inc. Et Al | 735,645 | $7.90M | 0.09% | −33,000−4.3% | Reduced |
| Gabelli Funds LLC | 661,688 | $7.11M | 0.05% | −44,352−6.3% | Reduced |
| Morgan Stanley | 584,646 | $6.28M | 0.00% | −427,196−42.2% | Reduced |
| Millennium Management LLC | 533,534 | $5.73M | 0.00% | +533,534 | New |
| Nicholas Investment Partners, LP | 486,291 | $5.22M | 0.54% | +486,291 | New |
| Royce & Associates LP | 480,000 | $5.16M | 0.05% | +50,000+11.6% | Added |
| Jane Street Group, LLC | 435,304 | $4.68M | 0.01% | +412,881+1,841.3% | Added |
| UBS Group AG | 424,922 | $4.56M | 0.00% | −153,078−26.5% | Reduced |
| Lazard Asset Management LLC | 392,264 | $4.21M | 0.01% | +369,513+1,624.2% | Added |
| TD Asset Management Inc | 378,550 | $4.07M | 0.00% | +34,098+9.9% | Added |
| FIL Ltd | 375,338 | $4.03M | 0.00% | +375,338 | New |
| Segall Bryant & Hamill, LLC | 353,546 | $3.80M | 0.07% | +353,546 | New |
| Essex Investment Management Co LLC | 350,498 | $3.76M | 0.70% | +90,998+35.1% | Added |
| JPMorgan Chase & Co | 349,719 | $3.76M | 0.00% | −242,995−41.0% | Reduced |
| Swiss National Bank | 343,600 | $3.69M | 0.00% | 00.0% | Unchanged |
| UBS Asset Management Americas Inc | 329,215 | $3.54M | 0.00% | +112,158+51.7% | Added |
| Rhumbline Advisers | 325,569 | $3.50M | 0.00% | +1,340+0.4% | Added |
| Eagle Asset Management Inc | 314,593 | $3.34M | 0.02% | +314,593 | New |
| First Trust Advisors LP | 286,943 | $3.08M | 0.00% | −167,126−36.8% | Reduced |
| Invesco Ltd. | 248,560 | $2.67M | 0.00% | −5,974−2.3% | Reduced |
| Rice Hall James & Associates, LLC | 221,284 | $2.38M | 0.14% | +221,284 | New |
| Aperture Investors, LLC | 220,094 | $2.36M | 0.35% | +66,989+43.8% | Added |
| Alliancebernstein L.P. | 218,109 | $2.34M | 0.00% | −1,554−0.7% | Reduced |
| Hollow Brook Wealth Management LLC | 207,606 | $2.23M | 0.76% | +8,621+4.3% | Added |
| Russell Investments Group, Ltd. | 200,725 | $2.16M | 0.00% | +52,059+35.0% | Added |
| M&T Bank Corp | 200,171 | $2.15M | 0.01% | −110−0.1% | Reduced |
| Bank of America Corp | 186,606 | $2.00M | 0.00% | −172,897−48.1% | Reduced |
| Wells Fargo & Company | 183,786 | $1.97M | 0.00% | +104,103+130.6% | Added |
| Legato Capital Management LLC | 181,968 | $1.95M | 0.26% | +61,888+51.5% | Added |
| State of New Jersey Common Pension Fund D | 175,955 | $1.89M | 0.01% | +175,955 | New |
| Renaissance Technologies LLC | 174,000 | $1.87M | 0.00% | −128,500−42.5% | Reduced |
| California State Teachers Retirement System | 172,437 | $1.85M | 0.00% | −4,559−2.6% | Reduced |
| Legal & General Group Plc | 168,184 | $1.81M | 0.00% | +821+0.5% | Added |
| Alberta Investment Management Corp | 168,150 | $1.81M | 0.02% | +168,150 | New |
| Qube Research & Technologies Ltd | 160,104 | $1.72M | 0.00% | +79,131+97.7% | Added |
| Maverick Capital LtdSuperinvestorMaverick Capital | 159,811 | $1.72M | 0.03% | +119,037+291.9% | Added |
| New York State Common Retirement Fund | 152,115 | $1.63M | 0.00% | +77,665+104.3% | Added |
| Squarepoint Ops LLC | 152,070 | $1.63M | 0.01% | +124,752+456.7% | Added |
| Deutsche Bank AG | 139,840 | $1.50M | 0.00% | −15,216−9.8% | Reduced |
| Boston Partners | 127,149 | $1.37M | 0.00% | +55,014+76.3% | Added |
| Price T Rowe Associates Inc | 117,874 | $1.27M | 0.00% | +6,355+5.7% | Added |
| MetLife Investment Management | 117,259 | $1.26M | 0.01% | +10,897+10.2% | Added |
| Manufacturers Life Insurance Company, The | 110,022 | $1.18M | 0.00% | +4,957+4.7% | Added |
| Corebridge Financial, Inc. | 107,518 | $1.15M | 0.01% | +107,518 | New |
| Citigroup Inc | 106,563 | $1.14M | 0.00% | +32,309+43.5% | Added |
| Mirae Asset Global ETFs Holdings Ltd. | 102,501 | $1.10M | 0.00% | +102,501 | New |
| Ardsley Advisory Partners LP | 100,000 | $1.07M | 0.19% | −25,000−20.0% | Reduced |
| Barclays PLC | 72,392 | $777.5K | 0.00% | −103,006−58.7% | Reduced |
| Jennison Associates LLC | 71,801 | $771.1K | 0.00% | +71,801 | New |
| Voya Investment Management LLC | 67,057 | $720.2K | 0.00% | +608+0.9% | Added |
| Tudor Investment Corp Et Al | 65,499 | $703.5K | 0.01% | +65,499 | New |
| State Board of Administration of Florida Retirement System | 57,210 | $614.4K | 0.00% | +57,210 | New |
| Oppenheimer & Co Inc | 55,665 | $597.8K | 0.01% | +55,665 | New |
| Arizona State Retirement System | 48,968 | $525.9K | 0.00% | +1,045+2.2% | Added |
| Teacher Retirement System of Texas | 46,977 | $505.0K | 0.00% | +9,931+26.8% | Added |
| Handelsbanken Fonder AB | 46,831 | $503.0K | 0.00% | 00.0% | Unchanged |
| Allspring Global Investments Holdings, LLC | 43,669 | $469.0K | 0.00% | −5,840−11.8% | Reduced |
| Campbell & CO Investment Adviser LLC | 34,170 | $367.0K | 0.03% | −8,556−20.0% | Reduced |
| Tower Research Capital LLC (TRC) | 33,633 | $361.2K | 0.01% | +31,678+1,620.4% | Added |
| The PNC Financial Services Group, Inc. | 33,550 | $360.3K | 0.00% | +33,400+22,266.7% | Added |
| Susquehanna International Group, LLP | 33,210 | $356.7K | 0.00% | +33,210 | New |
| Walleye Capital LLC | 30,271 | $325.1K | 0.00% | −33,129−52.3% | Reduced |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 28,105 | $301.8K | 0.00% | 00.0% | Unchanged |
| Victory Capital Management Inc | 27,123 | $291.3K | 0.00% | −348−1.3% | Reduced |
| ProShare Advisors LLC | 26,851 | $288.4K | 0.00% | −9,166−25.4% | Reduced |
| Mariner, LLC | 26,506 | $284.7K | 0.00% | +4,222+18.9% | Added |
| Nordwand Advisors, LLC | 25,000 | $268.5K | 0.12% | 00.0% | Unchanged |
| Cowen and Company, LLC | 25,000 | $268.5K | 0.01% | +25,000 | New |
| Pictet Asset Management Holding SA | 24,618 | $264.4K | 0.00% | 00.0% | Unchanged |
| Capstone Investment Advisors, LLC | 24,579 | $264.0K | 0.01% | −22,722−48.0% | Reduced |
| Diametric Capital, LP | 23,327 | $250.5K | 0.14% | +23,327 | New |
| Kestra Advisory Services, LLC | 22,855 | $245.5K | 0.00% | +166+0.7% | Added |