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, Q4 2022
Institutional positions in Mirion Technologies, Inc. as of Dec 31, 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
- 119
- −1 vs. Q3 2022
- Shares held
- 153.3M
- −17.3M (−10.2%) vs. Q3 2022
- Total value
- $1.01B
- −$261.5M (−20.5%) vs. Q3 2022
- New holders
- 20
- 39 more added
- Sold out
- 21
- 43 more reduced
1 institution that held it in Q3 2022 haven't filed for Q4 2022 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 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, Q4 2022
Shares, value and share of portfolio for each institution holding Mirion Technologies, Inc.; share changes are against Q3 2022.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Goldman Sachs Group Inc | 34,793,322 | $230.0M | 0.07% | −16,969,764−32.8% | Reduced |
| Vanguard Group Inc | 12,577,497 | $83.1M | 0.00% | +86,550+0.7% | Added |
| Janus Henderson Group PLC | 11,696,294 | $77.3M | 0.06% | −64,321−0.5% | Reduced |
| BlackRock Inc. | 10,439,033 | $69.0M | 0.00% | +548,037+5.5% | Added |
| FMR LLC | 9,289,319 | $61.4M | 0.01% | +503,372+5.7% | Added |
| Swedbank AB | 9,262,400 | $61.2M | 0.13% | +287,898+3.2% | Added |
| Alyeska Investment Group, L.P. | 7,748,035 | $51.2M | 0.53% | −4,950,463−39.0% | Reduced |
| Cooperman Leon G | 6,366,073 | $42.1M | 2.62% | +1,162,753+22.3% | Added |
| P2 Capital Partners, LLC | 5,526,935 | $36.5M | 4.83% | +1,398,510+33.9% | Added |
| Nomura Holdings Inc | 5,225,050 | $34.5M | 0.35% | +5,225,050 | New |
| State Street Corp | 3,593,901 | $23.8M | 0.00% | −81,147−2.2% | Reduced |
| Kohlberg Kravis Roberts & Co. L.P. | 3,229,175 | $21.3M | 0.72% | +3,229,175 | New |
| Corsair Capital Management, L.P. | 2,711,141 | $17.9M | 6.76% | −556,300−17.0% | Reduced |
| Geode Capital Management, LLC | 2,384,265 | $15.8M | 0.00% | +95,637+4.2% | Added |
| ArrowMark Colorado Holdings LLC | 2,361,231 | $15.6M | 0.19% | +78,817+3.5% | Added |
| First Manhattan Co | 1,920,114 | $12.7M | 0.05% | −192,620−9.1% | Reduced |
| Senator Investment Group LP | 1,650,000 | $10.9M | 0.98% | −600,000−26.7% | Reduced |
| Crestline Management, LP | 1,500,010 | $9.92M | 1.45% | +376,153+33.5% | Added |
| Schwartz Investment Counsel Inc | 1,490,000 | $9.85M | 0.45% | 00.0% | Unchanged |
| Barrow Hanley Mewhinney & Strauss LLC | 1,335,907 | $8.83M | 0.03% | +64,172+5.0% | Added |
| Bpifrance SA | 1,286,446 | $8.50M | 0.28% | 00.0% | Unchanged |
| Northern Trust Corp | 1,216,220 | $8.04M | 0.00% | +23,606+2.0% | Added |
| Morgan Stanley | 1,138,392 | $7.52M | 0.00% | −645,172−36.2% | Reduced |
| Nuveen Asset Management, LLC | 1,048,018 | $6.93M | 0.00% | +570,027+119.3% | Added |
| Charles Schwab Investment Management Inc | 942,352 | $6.23M | 0.00% | +19,930+2.2% | Added |
| Principal Financial Group Inc | 810,228 | $5.36M | 0.00% | −4,181−0.5% | Reduced |
| Carlson Capital L P | 733,935 | $4.85M | 0.37% | −16,065−2.1% | Reduced |
| Gabelli Funds LLC | 705,000 | $4.66M | 0.04% | −65,000−8.4% | Reduced |
| Ionic Capital Management LLC | 647,349 | $4.28M | 1.29% | +128,366+24.7% | Added |
| Ratan Capital Management LP | 633,701 | $4.19M | 3.36% | −169,646−21.1% | Reduced |
| Clearline Capital LP | 626,431 | $4.14M | 0.74% | −135,322−17.8% | Reduced |
| Lord, Abbett & Co. LLC | 613,282 | $4.05M | 0.01% | −11,200−1.8% | Reduced |
| Bamco Inc | 558,304 | $3.69M | 0.01% | 00.0% | Unchanged |
| Bank of New York Mellon Corp | 539,061 | $3.56M | 0.00% | +1,630+0.3% | Added |
| Artal Group S.A. | 500,000 | $3.31M | 0.19% | 00.0% | Unchanged |
| Sculptor Capital LP | 446,101 | $2.95M | 0.05% | −1,316,951−74.7% | Reduced |
| Pentwater Capital Management LP | 445,000 | $2.94M | 0.09% | −105,000−19.1% | Reduced |
| Gyon Technologies Capital Management, LP | 409,626 | $2.71M | 1.01% | +237,176+137.5% | Added |
| Hudson Bay Capital Management LP | 352,920 | $2.33M | 0.03% | +22,504+6.8% | Added |
| Swiss National Bank | 314,000 | $2.08M | 0.00% | +8,500+2.8% | Added |
| Western Standard LLC | 291,235 | $1.93M | 1.69% | +291,235 | New |
| Russell Investments Group, Ltd. | 263,814 | $1.74M | 0.00% | +64,195+32.2% | Added |
| Rhumbline Advisers | 209,535 | $1.39M | 0.00% | +2,065+1.0% | Added |
| Gamco Investors, Inc. Et Al | 204,000 | $1.35M | 0.01% | −3,000−1.4% | Reduced |
| Scopus Asset Management, L.P. | 200,000 | $1.32M | 0.05% | +200,000 | New |
| Bank of America Corp | 177,775 | $1.18M | 0.00% | +145,044+443.1% | Added |
| California State Teachers Retirement System | 167,691 | $1.11M | 0.00% | +1,966+1.2% | Added |
| Alliancebernstein L.P. | 149,697 | $989.5K | 0.00% | −201−0.1% | Reduced |
| M&T Bank Corp | 148,884 | $984.1K | 0.00% | +31,418+26.7% | Added |
| JPMorgan Chase & Co | 135,039 | $893.0K | 0.00% | +13,897+11.5% | Added |
| Susquehanna Fundamental Investments, LLC | 126,953 | $839.2K | 0.01% | +126,953 | New |
| Royce & Associates LP | 125,000 | $826.3K | 0.01% | 00.0% | Unchanged |
| Boston Partners | 122,518 | $809.8K | 0.00% | +53,419+77.3% | Added |
| Invesco Ltd. | 112,614 | $744.4K | 0.00% | −241−0.2% | Reduced |
| UBS Asset Management Americas Inc | 109,926 | $726.6K | 0.00% | 00.0% | Unchanged |
| Credit Suisse AG | 107,287 | $709.2K | 0.00% | +15,533+16.9% | Added |
| New York State Common Retirement Fund | 96,416 | $637.3K | 0.00% | +56+0.1% | Added |
| Group One Trading, L.P. | 90,766 | $600.0K | 0.02% | +81,036+832.8% | Added |
| Renaissance Technologies LLC | 79,300 | $524.0K | 0.00% | +79,300 | New |
| Schonfeld Strategic Advisors LLC | 78,700 | $520.2K | 0.00% | −31,800−28.8% | Reduced |
| MetLife Investment Management | 73,950 | $488.8K | 0.00% | 00.0% | Unchanged |
| American International Group, Inc. | 64,804 | $428.4K | 0.00% | −236−0.4% | Reduced |
| Saba Capital Management, L.P. | 62,031 | $410.0K | 0.01% | −3,892−5.9% | Reduced |
| Deutsche Bank AG | 59,066 | $390.4K | 0.00% | +917+1.6% | Added |
| Mirae Asset Global Investments Co., Ltd. | 56,698 | $374.8K | 0.00% | 00.0% | Unchanged |
| Manufacturers Life Insurance Company, The | 55,261 | $365.3K | 0.00% | +3,176+6.1% | Added |
| Voya Investment Management LLC | 52,507 | $347.1K | 0.00% | 00.0% | Unchanged |
| Man Group plc | 48,400 | $319.9K | 0.00% | +48,400 | New |
| Legal & General Group Plc | 46,416 | $306.8K | 0.00% | −633−1.3% | Reduced |
| Nordwand Advisors, LLC | 45,600 | $301.4K | 0.04% | +45,600 | New |
| Jane Street Group, LLC | 39,534 | $261.3K | 0.00% | −15,521−28.2% | Reduced |
| Barclays PLC | 36,785 | $243.1K | 0.00% | +30,977+533.4% | Added |
| Arizona State Retirement System | 36,695 | $242.6K | 0.00% | +1,441+4.1% | Added |
| STRS Ohio | 28,900 | $191.0K | 0.00% | −3,000−9.4% | Reduced |
| Acuitas Investments, LLC | 27,600 | $182.4K | 0.19% | −16,567−37.5% | Reduced |
| HRT Financial LP | 25,978 | $171.0K | 0.00% | +25,978 | New |
| SG Americas Securities, LLC | 25,730 | $170.0K | 0.00% | +25,730 | New |
| CenterBook Partners LP | 24,571 | $162.4K | 0.03% | −87,908−78.2% | Reduced |
| Price T Rowe Associates Inc | 24,234 | $160.0K | 0.00% | +2,742+12.8% | Added |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 21,022 | $139.0K | 0.00% | −132−0.6% | Reduced |
| Victory Capital Management Inc | 19,754 | $130.6K | 0.00% | −90.0% | Reduced |
| Kestra Advisory Services, LLC | 19,001 | $125.6K | 0.00% | −500−2.6% | Reduced |
| Ergoteles LLC | 18,275 | $120.8K | 0.00% | +18,275 | New |
| ProShare Advisors LLC | 17,628 | $116.5K | 0.00% | +2,524+16.7% | Added |
| Amalgamated Bank | 17,521 | $116.0K | 0.00% | 00.0% | Unchanged |
| State of Wisconsin Investment Board | 16,214 | $107.2K | 0.00% | −7,978−33.0% | Reduced |
| Epacria Capital Partners, LLC | 16,135 | $106.7K | 0.09% | +16,135 | New |
| Pictet Asset Management SA | 16,084 | $106.0K | 0.00% | +16,084 | New |
| Royal Bank of Canada | 15,761 | $104.0K | 0.00% | +14,093+844.9% | Added |
| Mercer Global Advisors Inc | 15,537 | $103.0K | 0.00% | +15,537 | New |
| Teacher Retirement System of Texas | 14,532 | $96.0K | 0.00% | −4,184−22.4% | Reduced |
| Susquehanna International Group, LLP | 13,969 | $92.3K | 0.00% | −28,469−67.1% | Reduced |
| Worth Venture Partners, LLC | 13,369 | $88.4K | 0.05% | −8,012−37.5% | Reduced |
| Truist Financial Corp | 12,851 | $84.9K | 0.00% | −573−4.3% | Reduced |
| Ameritas Investment Partners, Inc. | 10,275 | $78.8K | 0.00% | 00.0% | Unchanged |
| Quantbot Technologies LP | 11,638 | $76.9K | 0.01% | +11,394+4,669.7% | Added |
| Jump Financial, LLC | 10,029 | $66.3K | 0.00% | +10,029 | New |
| Tudor Investment Corp Et Al | 10,000 | $66.0K | 0.00% | 00.0% | Unchanged |
| Allspring Global Investments Holdings, LLC | 9,334 | $61.7K | 0.00% | −205−2.1% | Reduced |
| Metropolitan Life Insurance Co | 8,583 | $56.7K | 0.00% | 00.0% | Unchanged |