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 2022
Institutional positions in Mirion Technologies, Inc. as of Sep 30, 2022. 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
- 121
- +7 vs. Q2 2022
- Shares held
- 170.6M
- +10.6M (+6.6%) vs. Q2 2022
- Total value
- $1.27B
- +$352.7M (+38.3%) vs. Q2 2022
- New holders
- 19
- 44 more added
- Sold out
- 12
- 36 more reduced
1 institution that held it in Q2 2022 haven't filed for Q3 2022 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q2 2022: 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 2022
Shares, value and share of portfolio for each institution holding Mirion Technologies, Inc.; share changes are against Q2 2022.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Covestor Ltd | 20 | $0 | 0.00% | +20 | New |
| Quantbot Technologies LP | 244 | $1.00K | 0.00% | −4,926−95.3% | Reduced |
| FNY Investment Advisers, LLC | 202 | $1.00K | 0.00% | 00.0% | Unchanged |
| Nisa Investment Advisors, LLC | 103 | $1.00K | 0.00% | +103 | New |
| Albion Financial Group | 300 | $2.00K | 0.00% | 00.0% | Unchanged |
| FourThought Financial, LLC | 249 | $2.00K | 0.00% | 00.0% | Unchanged |
| Byrne Asset Management LLC | 225 | $2.00K | 0.00% | 00.0% | Unchanged |
| Signaturefd, LLC | 310 | $2.00K | 0.00% | +310 | New |
| Ellevest, Inc. | 270 | $2.00K | 0.00% | +270 | New |
| Howe & Rusling Inc | 345 | $3.00K | 0.00% | +123+55.4% | Added |
| Advisor Group Holdings, Inc. | 500 | $4.00K | 0.00% | 00.0% | Unchanged |
| Blue Bell Private Wealth Management, LLC | 700 | $5.00K | 0.00% | 00.0% | Unchanged |
| Cutler Group LP | 824 | $6.00K | 0.00% | −5,259−86.5% | Reduced |
| Royal Bank of Canada | 1,668 | $12.0K | 0.00% | +894+115.5% | Added |
| State of Wyoming | 3,268 | $24.0K | 0.01% | +3,268 | New |
| Tower Research Capital LLC (TRC) | 3,803 | $28.0K | 0.00% | −3,654−49.0% | Reduced |
| Wells Fargo & Company | 4,084 | $30.0K | 0.00% | +263+6.9% | Added |
| Citigroup Inc | 5,278 | $39.0K | 0.00% | −6,505−55.2% | Reduced |
| Barclays PLC | 5,808 | $43.0K | 0.00% | −1,068−15.5% | Reduced |
| Metropolitan Life Insurance Co | 8,583 | $64.1K | 0.00% | 00.0% | Unchanged |
| Allspring Global Investments Holdings, LLC | 9,539 | $71.0K | 0.00% | +9,539 | New |
| Group One Trading, L.P. | 9,730 | $73.0K | 0.00% | −158,521−94.2% | Reduced |
| UBS Group AG | 10,000 | $75.0K | 0.00% | −48,000−82.8% | Reduced |
| Tudor Investment Corp Et Al | 10,000 | $75.0K | 0.00% | 00.0% | Unchanged |
| Ameritas Investment Partners, Inc. | 10,275 | $76.0K | 0.00% | 00.0% | Unchanged |
| Mariner, LLC | 10,669 | $80.0K | 0.00% | +10,669 | New |
| Punch & Associates Investment Management, Inc. | 11,700 | $87.0K | 0.01% | 00.0% | Unchanged |
| Neuberger Berman Group LLC | 13,025 | $97.0K | 0.00% | −91−0.7% | Reduced |
| Truist Financial Corp | 13,424 | $100.0K | 0.00% | +407+3.1% | Added |
| Panagora Asset Management Inc | 13,755 | $103.0K | 0.00% | +13,755 | New |
| Bayesian Capital Management, LP | 15,104 | $113.0K | 0.02% | −6,000−28.4% | Reduced |
| ProShare Advisors LLC | 15,104 | $113.0K | 0.00% | −286−1.9% | Reduced |
| Verition Fund Management LLC | 16,349 | $122.0K | 0.00% | −700−4.1% | Reduced |
| Ensign Peak Advisors, Inc | 17,040 | $127.0K | 0.00% | +17,040 | New |
| Amalgamated Bank | 17,521 | $131.0K | 0.00% | +171+1.0% | Added |
| Teacher Retirement System of Texas | 18,716 | $140.0K | 0.00% | −1,585−7.8% | Reduced |
| Kestra Advisory Services, LLC | 19,501 | $146.0K | 0.00% | −1,500−7.1% | Reduced |
| Victory Capital Management Inc | 19,763 | $148.0K | 0.00% | +762+4.0% | Added |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 21,154 | $158.0K | 0.00% | +21,154 | New |
| Worth Venture Partners, LLC | 21,381 | $160.0K | 0.10% | +21,381 | New |
| Price T Rowe Associates Inc | 21,492 | $161.0K | 0.00% | +8,422+64.4% | Added |
| GWM Advisors LLC | 22,402 | $167.0K | 0.00% | 00.0% | Unchanged |
| State of Wisconsin Investment Board | 24,192 | $181.0K | 0.00% | −7,093−22.7% | Reduced |
| STRS Ohio | 31,900 | $238.0K | 0.00% | 00.0% | Unchanged |
| Bank of America Corp | 32,731 | $244.0K | 0.00% | +5,821+21.6% | Added |
| Arizona State Retirement System | 35,254 | $263.0K | 0.00% | +108+0.3% | Added |
| Old Well Partners, LLC | 36,231 | $271.0K | 0.23% | +36,231 | New |
| Susquehanna International Group, LLP | 42,438 | $317.0K | 0.00% | −88,796−67.7% | Reduced |
| Acuitas Investments, LLC | 44,167 | $330.0K | 0.36% | +44,167 | New |
| Legal & General Group Plc | 47,049 | $351.0K | 0.00% | +3,136+7.1% | Added |
| Manufacturers Life Insurance Company, The | 52,085 | $389.1K | 0.00% | −1,071−2.0% | Reduced |
| Voya Investment Management LLC | 52,507 | $392.2K | 0.00% | +2,470+4.9% | Added |
| Jane Street Group, LLC | 55,055 | $411.0K | 0.00% | −6,718−10.9% | Reduced |
| Mirae Asset Global Investments Co., Ltd. | 56,698 | $424.0K | 0.00% | +17,510+44.7% | Added |
| Deutsche Bank AG | 58,149 | $434.0K | 0.00% | −6,623−10.2% | Reduced |
| American International Group, Inc. | 65,040 | $486.0K | 0.00% | +919+1.4% | Added |
| Saba Capital Management, L.P. | 65,923 | $492.0K | 0.01% | −175,776−72.7% | Reduced |
| BNP Paribas Arbitrage, SA | 68,285 | $510.1K | 0.00% | +68,285 | New |
| Boston Partners | 69,099 | $516.0K | 0.00% | +37,894+121.4% | Added |
| MetLife Investment Management | 73,950 | $552.4K | 0.00% | 00.0% | Unchanged |
| Credit Suisse AG | 91,754 | $686.0K | 0.00% | +17,097+22.9% | Added |
| New York State Common Retirement Fund | 96,360 | $720.0K | 0.00% | +1,160+1.2% | Added |
| Weiss Multi-Strategy Advisers LLC | 109,225 | $816.0K | 0.02% | +109,225 | New |
| UBS Asset Management Americas Inc | 109,926 | $821.1K | 0.00% | +10,626+10.7% | Added |
| Schonfeld Strategic Advisors LLC | 110,500 | $825.0K | 0.01% | +110,500 | New |
| CenterBook Partners LP | 112,479 | $840.0K | 0.16% | +32,922+41.4% | Added |
| Invesco Ltd. | 112,855 | $843.0K | 0.00% | −3,719−3.2% | Reduced |
| M&T Bank Corp | 117,466 | $878.0K | 0.00% | +27,876+31.1% | Added |
| JPMorgan Chase & Co | 121,142 | $905.0K | 0.00% | +8,073+7.1% | Added |
| Royce & Associates LP | 125,000 | $934.0K | 0.01% | 00.0% | Unchanged |
| Alpha Paradigm Partners, LLC | 125,999 | $941.0K | 0.41% | −89,727−41.6% | Reduced |
| Alliancebernstein L.P. | 149,898 | $1.12M | 0.00% | +6,093+4.2% | Added |
| MYDA Advisors LLC | 160,000 | $1.20M | 0.67% | −20,000−11.1% | Reduced |
| California State Teachers Retirement System | 165,725 | $1.24M | 0.00% | −3,319−2.0% | Reduced |
| Gyon Technologies Capital Management, LP | 172,450 | $1.29M | 0.40% | +172,450 | New |
| Balyasny Asset Management LLC | 195,479 | $1.46M | 0.01% | 00.0% | Unchanged |
| Russell Investments Group, Ltd. | 199,619 | $1.49M | 0.00% | +73,168+57.9% | Added |
| Resolute Capital Asset Partners LLC | 201,176 | $1.50M | 1.35% | +201,176 | New |
| Gamco Investors, Inc. Et Al | 207,000 | $1.55M | 0.02% | +37,854+22.4% | Added |
| Rhumbline Advisers | 207,470 | $1.55M | 0.00% | +13,113+6.7% | Added |
| Advisory Research Inc | 229,105 | $1.71M | 0.17% | −2,035−0.9% | Reduced |
| Swiss National Bank | 305,500 | $2.28M | 0.00% | 00.0% | Unchanged |
| Invenomic Capital Management LP | 328,310 | $2.45M | 0.21% | +328,310 | New |
| Hudson Bay Capital Management LP | 330,416 | $2.47M | 0.03% | +291,392+746.7% | Added |
| Nuveen Asset Management, LLC | 477,991 | $3.57M | 0.00% | −12,156−2.5% | Reduced |
| Artal Group S.A. | 500,000 | $3.73M | 0.19% | 00.0% | Unchanged |
| Roubaix Capital, LLC | 505,293 | $3.77M | 3.36% | +147,037+41.0% | Added |
| Ionic Capital Management LLC | 518,983 | $3.88M | 0.94% | +20,000+4.0% | Added |
| Bank of New York Mellon Corp | 537,431 | $4.01M | 0.00% | +50,692+10.4% | Added |
| Pentwater Capital Management LP | 550,000 | $4.11M | 0.06% | −25,000−4.3% | Reduced |
| Bamco Inc | 558,304 | $4.17M | 0.01% | −635,600−53.2% | Reduced |
| Lord, Abbett & Co. LLC | 624,482 | $4.67M | 0.02% | 00.0% | Unchanged |
| Carlson Capital L P | 750,000 | $5.60M | 0.42% | −25,000−3.2% | Reduced |
| Clearline Capital LP | 761,753 | $5.69M | 0.79% | −109,844−12.6% | Reduced |
| Gabelli Funds LLC | 770,000 | $5.75M | 0.05% | +157,000+25.6% | Added |
| Ratan Capital Management LP | 803,347 | $6.00M | 14.23% | −219,023−21.4% | Reduced |
| Principal Financial Group Inc | 814,409 | $6.08M | 0.00% | +7,885+1.0% | Added |
| Charles Schwab Investment Management Inc | 922,422 | $6.89M | 0.00% | +108,083+13.3% | Added |
| Crestline Management, LP | 1,123,857 | $8.39M | 1.13% | −126,143−10.1% | Reduced |
| Northern Trust Corp | 1,192,614 | $8.91M | 0.00% | +11,687+1.0% | Added |