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 |
|---|---|---|---|---|---|
| Bank of America Corp | 186,606 | $2.00M | 0.00% | −172,897−48.1% | Reduced |
| M&T Bank Corp | 200,171 | $2.15M | 0.01% | −110−0.1% | Reduced |
| Russell Investments Group, Ltd. | 200,725 | $2.16M | 0.00% | +52,059+35.0% | Added |
| Hollow Brook Wealth Management LLC | 207,606 | $2.23M | 0.76% | +8,621+4.3% | Added |
| Alliancebernstein L.P. | 218,109 | $2.34M | 0.00% | −1,554−0.7% | Reduced |
| Aperture Investors, LLC | 220,094 | $2.36M | 0.35% | +66,989+43.8% | Added |
| Rice Hall James & Associates, LLC | 221,284 | $2.38M | 0.14% | +221,284 | New |
| Invesco Ltd. | 248,560 | $2.67M | 0.00% | −5,974−2.3% | Reduced |
| First Trust Advisors LP | 286,943 | $3.08M | 0.00% | −167,126−36.8% | Reduced |
| Eagle Asset Management Inc | 314,593 | $3.34M | 0.02% | +314,593 | New |
| Rhumbline Advisers | 325,569 | $3.50M | 0.00% | +1,340+0.4% | Added |
| UBS Asset Management Americas Inc | 329,215 | $3.54M | 0.00% | +112,158+51.7% | Added |
| Swiss National Bank | 343,600 | $3.69M | 0.00% | 00.0% | Unchanged |
| JPMorgan Chase & Co | 349,719 | $3.76M | 0.00% | −242,995−41.0% | Reduced |
| Essex Investment Management Co LLC | 350,498 | $3.76M | 0.70% | +90,998+35.1% | Added |
| Segall Bryant & Hamill, LLC | 353,546 | $3.80M | 0.07% | +353,546 | New |
| FIL Ltd | 375,338 | $4.03M | 0.00% | +375,338 | New |
| TD Asset Management Inc | 378,550 | $4.07M | 0.00% | +34,098+9.9% | Added |
| Lazard Asset Management LLC | 392,264 | $4.21M | 0.01% | +369,513+1,624.2% | Added |
| UBS Group AG | 424,922 | $4.56M | 0.00% | −153,078−26.5% | Reduced |
| Jane Street Group, LLC | 435,304 | $4.68M | 0.01% | +412,881+1,841.3% | Added |
| Royce & Associates LP | 480,000 | $5.16M | 0.05% | +50,000+11.6% | Added |
| Nicholas Investment Partners, LP | 486,291 | $5.22M | 0.54% | +486,291 | New |
| Millennium Management LLC | 533,534 | $5.73M | 0.00% | +533,534 | New |
| Morgan Stanley | 584,646 | $6.28M | 0.00% | −427,196−42.2% | Reduced |
| Gabelli Funds LLC | 661,688 | $7.11M | 0.05% | −44,352−6.3% | Reduced |
| Gamco Investors, Inc. Et Al | 735,645 | $7.90M | 0.09% | −33,000−4.3% | Reduced |
| Nuveen Asset Management, LLC | 781,106 | $8.39M | 0.00% | −382,203−32.9% | Reduced |
| Crestline Management, LP | 810,000 | $8.70M | 0.68% | 00.0% | Unchanged |
| Bank of New York Mellon Corp | 816,754 | $8.77M | 0.00% | +97,887+13.6% | Added |
| Bornite Capital Management LP | 1,027,600 | $11.0M | 1.82% | +1,027,600 | New |
| Chescapmanager LLC | 1,033,806 | $11.1M | 1.75% | +660,645+177.0% | Added |
| Lord, Abbett & Co. LLC | 1,442,038 | $15.5M | 0.05% | −94,173−6.1% | Reduced |
| Schwartz Investment Counsel Inc | 1,519,300 | $16.3M | 0.60% | +20,000+1.3% | Added |
| Charles Schwab Investment Management Inc | 1,521,102 | $16.3M | 0.00% | +40,948+2.8% | Added |
| Northern Trust Corp | 1,656,848 | $17.8M | 0.00% | −53,565−3.1% | Reduced |
| Corsair Capital Management, L.P. | 1,719,004 | $18.5M | 5.17% | −23,213−1.3% | Reduced |
| First Manhattan Co | 1,724,391 | $18.5M | 0.06% | −35,983−2.0% | Reduced |
| ArrowMark Colorado Holdings LLC | 2,758,726 | $29.6M | 0.35% | −40,266−1.4% | Reduced |
| Adage Capital Partners GP, L.L.C. | 3,245,674 | $34.9M | 0.06% | +204,875+6.7% | Added |
| ACK Asset Management LLC | 3,297,580 | $35.4M | 4.37% | +3,297,580 | New |
| American Century Companies Inc | 3,942,571 | $42.3M | 0.03% | +1,507,101+61.9% | Added |
| Geode Capital Management, LLC | 4,355,047 | $46.8M | 0.00% | +154,440+3.7% | Added |
| P2 Capital Partners, LLC | 4,701,000 | $50.5M | 6.02% | −819,000−14.8% | Reduced |
| State Street Corp | 5,227,080 | $56.1M | 0.00% | +176,544+3.5% | Added |
| Select Equity Group, L.P. | 5,783,888 | $62.1M | 0.25% | −176,645−3.0% | Reduced |
| Dimensional Fund Advisors LP | 6,111,933 | $65.6M | 0.02% | +1,031,966+20.3% | Added |
| Alyeska Investment Group, L.P. | 6,975,034 | $74.9M | 0.43% | +51,235+0.7% | Added |
| Cooperman Leon G | 8,000,000 | $85.9M | 3.63% | +486,600+6.5% | Added |
| Janus Henderson Group PLC | 8,685,267 | $93.3M | 0.05% | −717,847−7.6% | Reduced |
| Swedbank AB | 10,381,062 | $111.5M | 0.15% | −396,938−3.7% | Reduced |
| BlackRock Inc. | 15,802,384 | $169.7M | 0.00% | +246,889+1.6% | Added |
| T. Rowe Price Investment Management, Inc. | 19,981,611 | $214.6M | 0.14% | −659,829−3.2% | Reduced |
| Vanguard Group Inc | 21,885,547 | $235.1M | 0.00% | +577,516+2.7% | Added |
| Goldman Sachs Group Inc | 37,977,847 | $407.9M | 0.08% | +3,171,556+9.1% | Added |
| CIBC World Markets Inc. | 0 | $0 | 0.00% | −805,000−100.0% | Sold out |
| Arrowstreet Capital, Limited Partnership | 0 | $0 | 0.00% | −736,950−100.0% | Sold out |
| Carlson Capital L P | 0 | $0 | 0.00% | −618,478−100.0% | Sold out |
| CIBC World Markets Corp | 0 | $0 | 0.00% | −575,000−100.0% | Sold out |
| Verition Fund Management LLC | 0 | $0 | 0.00% | −548,054−100.0% | Sold out |
| Trexquant Investment LP | 0 | $0 | 0.00% | −186,427−100.0% | Sold out |
| Jackson Creek Investment Advisors LLC | 0 | $0 | 0.00% | −106,297−100.0% | Sold out |
| American International Group, Inc. | 0 | $0 | 0.00% | −98,796−100.0% | Sold out |
| Citadel Advisors LLC | 0 | $0 | 0.00% | −60,340−100.0% | Sold out |
| Marshall Wace, LLP | 0 | $0 | 0.00% | −53,610−100.0% | Sold out |
| Mirae Asset Global Investments Co., Ltd. | 0 | $0 | 0.00% | −56,698−100.0% | Sold out |
| HRT Financial LP | 0 | $0 | 0.00% | −36,451−100.0% | Sold out |
| Fox Run Management, L.L.C. | 0 | $0 | 0.00% | −31,159−100.0% | Sold out |
| Wolverine Asset Management LLC | 0 | $0 | 0.00% | −30,000−100.0% | Sold out |
| Walleye Trading LLC | 0 | $0 | 0.00% | −20,970−100.0% | Sold out |
| Bayesian Capital Management, LP | 0 | $0 | 0.00% | −19,849−100.0% | Sold out |
| Landscape Capital Management, L.L.C. | 0 | $0 | 0.00% | −15,330−100.0% | Sold out |
| Sherbrooke Park Advisers LLC | 0 | $0 | 0.00% | −15,134−100.0% | Sold out |
| Gsa Capital Partners LLP | 0 | $0 | 0.00% | −12,892−100.0% | Sold out |
| Teza Capital Management LLC | 0 | $0 | 0.00% | −11,323−100.0% | Sold out |
| Metropolitan Life Insurance Co | 0 | $0 | 0.00% | −10,690−100.0% | Sold out |
| Catalyst Funds Management Pty Ltd | 0 | $0 | 0.00% | −300−100.0% | Sold out |
| Credit Suisse AG | – | – | – | – | Not filed |