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 2023
Institutional positions in Mirion Technologies, Inc. as of Sep 30, 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
- 127
- +4 vs. Q2 2023
- Shares held
- 187.9M
- +6.55M (+3.6%) vs. Q2 2023
- Total value
- $1.40B
- −$128.8M (−8.4%) vs. Q2 2023
- New holders
- 16
- 63 more added
- Sold out
- 12
- 28 more reduced
1 institution that held it in Q2 2023 haven't filed for Q3 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q2 2023: 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 2023
Shares, value and share of portfolio for each institution holding Mirion Technologies, Inc.; share changes are against Q2 2023.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Covestor Ltd | 16 | $0 | 0.00% | −2−11.1% | Reduced |
| Steward Financial Group LLC | 53 | $0 | 0.00% | +53 | New |
| SJS Investment Consulting Inc. | 15 | $113 | 0.00% | +15 | New |
| AdvisorNet Financial, Inc | 17 | $127 | 0.00% | +17 | New |
| JFS Wealth Advisors, LLC | 43 | $322 | 0.00% | +43 | New |
| Bell Investment Advisors, Inc | 62 | $464 | 0.00% | +62 | New |
| Parallel Advisors, LLC | 94 | $702 | 0.00% | −37−28.2% | Reduced |
| Cutler Group LP | 229 | $1.00K | 0.00% | −242−51.4% | Reduced |
| FNY Investment Advisers, LLC | 170 | $1.00K | 0.00% | 00.0% | Unchanged |
| Ronald Blue Trust, Inc. | 146 | $1.00K | 0.00% | 00.0% | Unchanged |
| The PNC Financial Services Group, Inc. | 150 | $1.12K | 0.00% | 00.0% | Unchanged |
| Quadrant Capital Group LLC | 284 | $2.12K | 0.00% | +284 | New |
| Albion Financial Group | 300 | $2.24K | 0.00% | 00.0% | Unchanged |
| Comerica Bank | 305 | $2.28K | 0.00% | +305 | New |
| Advisor Group Holdings, Inc. | 1,250 | $9.34K | 0.00% | +361+40.6% | Added |
| Nisa Investment Advisors, LLC | 3,550 | $26.5K | 0.00% | +29+0.8% | Added |
| Allspring Global Investments Holdings, LLC | 5,958 | $44.5K | 0.00% | −894−13.0% | Reduced |
| Simplex Trading, LLC | 8,053 | $60.0K | 0.00% | +8,053 | New |
| Tower Research Capital LLC (TRC) | 9,424 | $70.4K | 0.00% | −6,247−39.9% | Reduced |
| Cipher Capital LP | 10,130 | $75.7K | 0.05% | +10,130 | New |
| Schonfeld Strategic Advisors LLC | 11,000 | $82.2K | 0.00% | −391,697−97.3% | Reduced |
| Metropolitan Life Insurance Co | 11,635 | $86.9K | 0.00% | +613+5.6% | Added |
| Phoenix Holdings Ltd. | 11,793 | $88.1K | 0.00% | 00.0% | Unchanged |
| Xponance, Inc. | 11,798 | $88.1K | 0.00% | 00.0% | Unchanged |
| Mariner, LLC | 12,060 | $90.1K | 0.00% | −2,127−15.0% | Reduced |
| Truist Financial Corp | 12,335 | $92.1K | 0.00% | 00.0% | Unchanged |
| Mackenzie Financial Corp | 12,617 | $93.1K | 0.00% | 00.0% | Unchanged |
| Teacher Retirement System of Texas | 13,472 | $101.0K | 0.00% | +1,140+9.2% | Added |
| Prudential Financial Inc | 13,840 | $103.4K | 0.00% | +1,650+13.5% | Added |
| Oppenheimer & Co Inc | 13,900 | $103.8K | 0.00% | 00.0% | Unchanged |
| Campbell & CO Investment Adviser LLC | 16,149 | $120.6K | 0.01% | +16,149 | New |
| Walleye Trading LLC | 18,213 | $136.1K | 0.00% | +18,213 | New |
| State of Wisconsin Investment Board | 18,691 | $139.6K | 0.00% | +5,796+44.9% | Added |
| Kestra Advisory Services, LLC | 19,001 | $141.9K | 0.00% | 00.0% | Unchanged |
| Amalgamated Bank | 19,587 | $146.0K | 0.00% | +2,690+15.9% | Added |
| Jump Financial, LLC | 19,722 | $147.3K | 0.01% | +1,450+7.9% | Added |
| Ameritas Investment Partners, Inc. | 19,770 | $147.7K | 0.01% | +3,216+19.4% | Added |
| GWM Advisors LLC | 20,414 | $152.5K | 0.00% | −1,488−6.8% | Reduced |
| Pictet Asset Management Holding SA | 22,027 | $164.5K | 0.00% | +22,027 | New |
| Victory Capital Management Inc | 22,754 | $170.0K | 0.00% | +87+0.4% | Added |
| Versor Investments LP | 24,700 | $184.5K | 0.04% | +24,700 | New |
| Nordwand Advisors, LLC | 25,000 | $186.8K | 0.04% | −45,600−64.6% | Reduced |
| ProShare Advisors LLC | 26,043 | $194.5K | 0.00% | −29−0.1% | Reduced |
| LPL Financial LLC | 26,078 | $194.8K | 0.00% | +5,000+23.7% | Added |
| Jane Street Group, LLC | 28,520 | $213.0K | 0.00% | −14,767−34.1% | Reduced |
| Principal Financial Group Inc | 29,620 | $221.3K | 0.00% | +8,335+39.2% | Added |
| Royal Bank of Canada | 33,658 | $251.0K | 0.00% | +12,744+60.9% | Added |
| Qube Research & Technologies Ltd | 35,171 | $262.7K | 0.00% | −149,672−81.0% | Reduced |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 37,605 | $280.9K | 0.00% | +12,163+47.8% | Added |
| Price T Rowe Associates Inc | 44,847 | $336.0K | 0.00% | +4,261+10.5% | Added |
| Handelsbanken Fonder AB | 46,831 | $350.0K | 0.00% | +3,331+7.7% | Added |
| Arizona State Retirement System | 49,635 | $370.8K | 0.00% | +3,823+8.3% | Added |
| State Board of Administration of Florida Retirement System | 57,210 | $427.4K | 0.00% | +300+0.5% | Added |
| Wells Fargo & Company | 60,771 | $454.0K | 0.00% | −23,731−28.1% | Reduced |
| SG Americas Securities, LLC | 64,317 | $480.0K | 0.01% | +64,317 | New |
| Barclays PLC | 67,156 | $501.7K | 0.00% | −2,309−3.3% | Reduced |
| Voya Investment Management LLC | 79,962 | $597.3K | 0.00% | +166+0.2% | Added |
| New York State Common Retirement Fund | 80,847 | $603.9K | 0.00% | +565+0.7% | Added |
| Mirae Asset Global Investments Co., Ltd. | 90,717 | $677.7K | 0.00% | 00.0% | Unchanged |
| Deutsche Bank AG | 94,525 | $706.1K | 0.00% | +12,352+15.0% | Added |
| Manufacturers Life Insurance Company, The | 98,196 | $733.5K | 0.00% | +18,353+23.0% | Added |
| Ardsley Advisory Partners LP | 100,000 | $747.0K | 0.20% | 00.0% | Unchanged |
| American International Group, Inc. | 100,047 | $747.4K | 0.00% | +3,558+3.7% | Added |
| MetLife Investment Management | 106,362 | $794.5K | 0.01% | 00.0% | Unchanged |
| Boston Partners | 117,676 | $879.0K | 0.00% | −9,401−7.4% | Reduced |
| Legato Capital Management LLC | 120,080 | $897.0K | 0.13% | +120,080 | New |
| Susquehanna Fundamental Investments, LLC | 126,953 | $948.3K | 0.06% | 00.0% | Unchanged |
| UBS Group AG | 134,402 | $1.00M | 0.00% | −2,253−1.6% | Reduced |
| Susquehanna International Group, LLP | 142,960 | $1.07M | 0.00% | −71,178−33.2% | Reduced |
| Credit Suisse AG | 143,727 | $1.07M | 0.00% | −2,900−2.0% | Reduced |
| UBS Asset Management Americas Inc | 147,027 | $1.10M | 0.00% | +16,648+12.8% | Added |
| Legal & General Group Plc | 168,217 | $1.26M | 0.00% | +20,123+13.6% | Added |
| Squarepoint Ops LLC | 171,298 | $1.28M | 0.01% | −26,675−13.5% | Reduced |
| Arrowstreet Capital, Limited Partnership | 178,575 | $1.33M | 0.00% | −518,391−74.4% | Reduced |
| Bank of America Corp | 179,350 | $1.34M | 0.00% | −74,501−29.3% | Reduced |
| California State Teachers Retirement System | 198,287 | $1.48M | 0.00% | −11,918−5.7% | Reduced |
| Invesco Ltd. | 202,786 | $1.51M | 0.00% | +6,411+3.3% | Added |
| Alliancebernstein L.P. | 222,721 | $1.66M | 0.00% | +921+0.4% | Added |
| Royce & Associates LP | 225,000 | $1.68M | 0.02% | 00.0% | Unchanged |
| JPMorgan Chase & Co | 237,766 | $1.78M | 0.00% | +5,128+2.2% | Added |
| M&T Bank Corp | 240,706 | $1.80M | 0.01% | +40,314+20.1% | Added |
| Essex Investment Management Co LLC | 259,212 | $1.94M | 0.32% | +259,212 | New |
| Rhumbline Advisers | 318,674 | $2.38M | 0.00% | +2,591+0.8% | Added |
| Russell Investments Group, Ltd. | 324,213 | $2.42M | 0.00% | +13,607+4.4% | Added |
| Select Equity Group, L.P. | 330,161 | $2.47M | 0.01% | +46,863+16.5% | Added |
| TD Asset Management Inc | 336,054 | $2.51M | 0.00% | +14,496+4.5% | Added |
| Swiss National Bank | 383,200 | $2.86M | 0.00% | +28,100+7.9% | Added |
| Sculptor Capital LP | 409,405 | $3.06M | 0.07% | −50,000−10.9% | Reduced |
| Citadel Advisors LLC | 437,903 | $3.27M | 0.00% | +426,054+3,595.7% | Added |
| FMR LLC | 493,250 | $3.68M | 0.00% | −4,213,833−89.5% | Reduced |
| Roubaix Capital, LLC | 501,988 | $3.75M | 2.76% | +2,509+0.5% | Added |
| Citigroup Inc | 504,546 | $3.77M | 0.01% | +439,905+680.5% | Added |
| Carlson Capital L P | 563,939 | $4.21M | 0.33% | +12,465+2.3% | Added |
| Pentwater Capital Management LP | 578,186 | $4.32M | 0.04% | −271,814−32.0% | Reduced |
| Bank of New York Mellon Corp | 717,664 | $5.36M | 0.00% | +44,710+6.6% | Added |
| Gabelli Funds LLC | 728,000 | $5.44M | 0.04% | +6,000+0.8% | Added |
| Adage Capital Partners GP, L.L.C. | 767,772 | $5.74M | 0.01% | +17,772+2.4% | Added |
| CIBC World Markets Corp | 775,000 | $5.79M | 0.06% | 00.0% | Unchanged |
| Gamco Investors, Inc. Et Al | 796,295 | $5.95M | 0.07% | +566,070+245.9% | Added |
| Barrow Hanley Mewhinney & Strauss LLC | 922,550 | $6.89M | 0.03% | −277,583−23.1% | Reduced |