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, Q1 2023
Institutional positions in Mirion Technologies, Inc. as of Mar 31, 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
- 117
- −2 vs. Q4 2022
- Shares held
- 170.0M
- +16.8M (+10.9%) vs. Q4 2022
- Total value
- $1.45B
- +$439.2M (+43.4%) vs. Q4 2022
- New holders
- 17
- 45 more added
- Sold out
- 19
- 38 more reduced
Compare with Q4 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, Q1 2023
Shares, value and share of portfolio for each institution holding Mirion Technologies, Inc.; share changes are against Q4 2022.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Covestor Ltd | 19 | $0 | 0.00% | 00.0% | Unchanged |
| CWM, LLC | 31 | $0 | 0.00% | +31 | New |
| Ronald Blue Trust, Inc. | 146 | $1.00K | 0.00% | −102−41.1% | Reduced |
| FNY Investment Advisers, LLC | 170 | $1.00K | 0.00% | −32−15.8% | Reduced |
| The PNC Financial Services Group, Inc. | 150 | $1.28K | 0.00% | 00.0% | Unchanged |
| Byrne Asset Management LLC | 225 | $2.00K | 0.00% | 00.0% | Unchanged |
| PEAK6 Investments LLC | 263 | $2.25K | 0.00% | +263 | New |
| Albion Financial Group | 300 | $2.56K | 0.00% | 00.0% | Unchanged |
| Cutler Group LP | 551 | $4.00K | 0.00% | −1,584−74.2% | Reduced |
| Blue Bell Private Wealth Management, LLC | 700 | $5.98K | 0.00% | 00.0% | Unchanged |
| Advisor Group Holdings, Inc. | 889 | $7.54K | 0.00% | +127+16.7% | Added |
| Advisory Services Network, LLC | 2,345 | $20.0K | 0.00% | +2,345 | New |
| Tower Research Capital LLC (TRC) | 2,947 | $25.0K | 0.00% | −2,943−50.0% | Reduced |
| Walleye Trading LLC | 4,212 | $36.0K | 0.00% | +4,212 | New |
| Allspring Global Investments Holdings, LLC | 6,682 | $57.1K | 0.00% | −2,652−28.4% | Reduced |
| Metropolitan Life Insurance Co | 7,582 | $64.8K | 0.00% | −1,001−11.7% | Reduced |
| Royal Bank of Canada | 7,675 | $65.0K | 0.00% | −8,086−51.3% | Reduced |
| SG Americas Securities, LLC | 10,173 | $87.0K | 0.00% | −15,557−60.5% | Reduced |
| Ameritas Investment Partners, Inc. | 10,275 | $87.7K | 0.00% | 00.0% | Unchanged |
| Citigroup Inc | 10,915 | $93.2K | 0.00% | +6,754+162.3% | Added |
| Truist Financial Corp | 12,335 | $105.3K | 0.00% | −516−4.0% | Reduced |
| Amalgamated Bank | 14,175 | $121.0K | 0.00% | −3,346−19.1% | Reduced |
| Teacher Retirement System of Texas | 14,467 | $124.0K | 0.00% | −65−0.4% | Reduced |
| Mercer Global Advisors Inc | 15,537 | $133.0K | 0.00% | 00.0% | Unchanged |
| Principal Financial Group Inc | 15,612 | $133.3K | 0.00% | −794,616−98.1% | Reduced |
| Pictet Asset Management SA | 16,084 | $137.4K | 0.00% | 00.0% | Unchanged |
| ProShare Advisors LLC | 16,124 | $137.7K | 0.00% | −1,504−8.5% | Reduced |
| Epacria Capital Partners, LLC | 16,135 | $137.8K | 0.11% | 00.0% | Unchanged |
| State of Wisconsin Investment Board | 16,723 | $142.8K | 0.00% | +509+3.1% | Added |
| Saba Capital Management, L.P. | 17,031 | $145.4K | 0.00% | −45,000−72.5% | Reduced |
| Man Group plc | – | $158.8K | 0.00% | – | – |
| Kestra Advisory Services, LLC | 19,001 | $162.3K | 0.00% | 00.0% | Unchanged |
| Ratan Capital Management LP | 20,487 | $175.0K | 0.47% | −613,214−96.8% | Reduced |
| Victory Capital Management Inc | 20,955 | $179.0K | 0.00% | +1,201+6.1% | Added |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 21,022 | $179.5K | 0.00% | 00.0% | Unchanged |
| Ergoteles LLC | 21,900 | $187.0K | 0.01% | +3,625+19.8% | Added |
| GWM Advisors LLC | 21,902 | $187.0K | 0.00% | −300−1.4% | Reduced |
| Handelsbanken Fonder AB | 22,900 | $196.0K | 0.00% | +22,900 | New |
| Price T Rowe Associates Inc | 25,688 | $220.0K | 0.00% | +1,454+6.0% | Added |
| Jane Street Group, LLC | 25,849 | $220.8K | 0.00% | −13,685−34.6% | Reduced |
| Wells Fargo & Company | 28,666 | $244.8K | 0.00% | +26,434+1,184.3% | Added |
| Arizona State Retirement System | 37,689 | $321.9K | 0.00% | +994+2.7% | Added |
| Voya Investment Management LLC | 52,507 | $448.4K | 0.00% | 00.0% | Unchanged |
| UBS Group AG | 53,536 | $457.2K | 0.00% | +46,369+647.0% | Added |
| Manufacturers Life Insurance Company, The | 56,389 | $481.6K | 0.00% | +1,128+2.0% | Added |
| Mirae Asset Global Investments Co., Ltd. | 56,698 | $484.2K | 0.00% | 00.0% | Unchanged |
| Legal & General Group Plc | 64,268 | $548.8K | 0.00% | +17,852+38.5% | Added |
| American International Group, Inc. | 66,120 | $564.7K | 0.00% | +1,316+2.0% | Added |
| Barclays PLC | 69,591 | $594.3K | 0.00% | +32,806+89.2% | Added |
| Occudo Quantitative Strategies LP | 69,848 | $596.5K | 0.05% | +69,848 | New |
| Nordwand Advisors, LLC | 70,600 | $602.9K | 0.10% | +25,000+54.8% | Added |
| New York State Common Retirement Fund | 71,816 | $613.3K | 0.00% | −24,600−25.5% | Reduced |
| MetLife Investment Management | 73,950 | $631.5K | 0.00% | 00.0% | Unchanged |
| First Trust Advisors LP | 74,430 | $635.6K | 0.00% | +74,430 | New |
| Deutsche Bank AG | 90,641 | $774.1K | 0.00% | +31,575+53.5% | Added |
| Squarepoint Ops LLC | 105,750 | $903.1K | 0.01% | +105,750 | New |
| Credit Suisse AG | 114,638 | $979.0K | 0.00% | +7,351+6.9% | Added |
| Boston Partners | 116,166 | $992.1K | 0.00% | −6,352−5.2% | Reduced |
| Susquehanna Fundamental Investments, LLC | 126,953 | $1.08M | 0.03% | 00.0% | Unchanged |
| UBS Asset Management Americas Inc | 130,379 | $1.11M | 0.00% | +20,453+18.6% | Added |
| Renaissance Technologies LLC | 134,100 | $1.15M | 0.00% | +54,800+69.1% | Added |
| Alliancebernstein L.P. | 149,258 | $1.27M | 0.00% | −439−0.3% | Reduced |
| Bamco Inc | 150,000 | $1.28M | 0.00% | −408,304−73.1% | Reduced |
| Select Equity Group, L.P. | 159,466 | $1.36M | 0.01% | +159,466 | New |
| Qube Research & Technologies Ltd | 162,218 | $1.39M | 0.01% | +162,218 | New |
| California State Teachers Retirement System | 165,203 | $1.41M | 0.00% | −2,488−1.5% | Reduced |
| JPMorgan Chase & Co | 168,242 | $1.44M | 0.00% | +33,203+24.6% | Added |
| M&T Bank Corp | 180,292 | $1.54M | 0.01% | +31,408+21.1% | Added |
| Invesco Ltd. | 183,701 | $1.57M | 0.00% | +71,087+63.1% | Added |
| Gamco Investors, Inc. Et Al | 220,000 | $1.88M | 0.02% | +16,000+7.8% | Added |
| Rhumbline Advisers | 221,579 | $1.89M | 0.00% | +12,044+5.7% | Added |
| Ionic Capital Management LLC | 222,028 | $1.90M | 0.72% | −425,321−65.7% | Reduced |
| Royce & Associates LP | 225,000 | $1.92M | 0.02% | +100,000+80.0% | Added |
| Susquehanna International Group, LLP | 233,664 | $2.00M | 0.00% | +219,695+1,572.7% | Added |
| Bank of America Corp | 244,686 | $2.09M | 0.00% | +66,911+37.6% | Added |
| Scopus Asset Management, L.P. | 250,000 | $2.13M | 0.08% | +50,000+25.0% | Added |
| Russell Investments Group, Ltd. | 264,331 | $2.26M | 0.00% | +517+0.2% | Added |
| Sculptor Capital LP | 279,405 | $2.39M | 0.06% | −166,696−37.4% | Reduced |
| Swiss National Bank | 280,700 | $2.40M | 0.00% | −33,300−10.6% | Reduced |
| TD Asset Management Inc | 330,958 | $2.83M | 0.00% | +330,958 | New |
| Hudson Bay Capital Management LP | 368,107 | $3.14M | 0.03% | +15,187+4.3% | Added |
| Roubaix Capital, LLC | 448,151 | $3.83M | 2.92% | +448,151 | New |
| Bank of New York Mellon Corp | 458,645 | $3.92M | 0.00% | −80,416−14.9% | Reduced |
| ING Groep NV | 500,000 | $4.27M | 0.04% | +500,000 | New |
| CIBC World Markets Corp | 500,000 | $4.27M | 0.07% | +500,000 | New |
| Arrowstreet Capital, Limited Partnership | 532,265 | $4.55M | 0.01% | +532,265 | New |
| Carlson Capital L P | 553,935 | $4.73M | 0.44% | −180,000−24.5% | Reduced |
| Schonfeld Strategic Advisors LLC | 661,407 | $5.65M | 0.05% | +582,707+740.4% | Added |
| Gabelli Funds LLC | 717,000 | $6.12M | 0.05% | +12,000+1.7% | Added |
| Pentwater Capital Management LP | 800,000 | $6.83M | 0.11% | +355,000+79.8% | Added |
| Charles Schwab Investment Management Inc | 940,330 | $8.03M | 0.00% | −2,022−0.2% | Reduced |
| Pantechnicon Advisors LLP | 1,030,000 | $8.80M | 3.56% | +1,030,000 | New |
| Nuveen Asset Management, LLC | 1,066,977 | $9.11M | 0.00% | +18,959+1.8% | Added |
| Morgan Stanley | 1,150,256 | $9.82M | 0.00% | +11,864+1.0% | Added |
| Crestline Management, LP | 1,173,795 | $10.0M | 1.23% | −326,215−21.7% | Reduced |
| Northern Trust Corp | 1,186,507 | $10.1M | 0.00% | −29,713−2.4% | Reduced |
| Barrow Hanley Mewhinney & Strauss LLC | 1,220,461 | $10.4M | 0.04% | −115,446−8.6% | Reduced |
| Bpifrance SA | 1,286,446 | $11.0M | 0.28% | 00.0% | Unchanged |
| Lord, Abbett & Co. LLC | 1,420,413 | $12.1M | 0.04% | +807,131+131.6% | Added |
| Schwartz Investment Counsel Inc | 1,565,000 | $13.4M | 0.58% | +75,000+5.0% | Added |