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 2023
Institutional positions in Mirion Technologies, Inc. as of Dec 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
- 125
- −1 vs. Q3 2023
- Shares held
- 187.9M
- −41.8K (0.0%) vs. Q3 2023
- Total value
- $1.93B
- +$522.0M (+37.2%) vs. Q3 2023
- New holders
- 14
- 48 more added
- Sold out
- 15
- 44 more reduced
1 institution that held it in Q3 2023 haven't filed for Q4 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 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, Q4 2023
Shares, value and share of portfolio for each institution holding Mirion Technologies, Inc.; share changes are against Q3 2023.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Covestor Ltd | 15 | $0 | 0.00% | −1−6.3% | Reduced |
| SJS Investment Consulting Inc. | 17 | $175 | 0.00% | +2+13.3% | Added |
| AdvisorNet Financial, Inc | 19 | $195 | 0.00% | +2+11.8% | Added |
| FinTrust Capital Advisors, LLC | 25 | $257 | 0.00% | +25 | New |
| JFS Wealth Advisors, LLC | 47 | $482 | 0.00% | +4+9.3% | Added |
| Bell Investment Advisors, Inc | 62 | $636 | 0.00% | 00.0% | Unchanged |
| FNY Investment Advisers, LLC | 150 | $1.00K | 0.00% | −20−11.8% | Reduced |
| Ronald Blue Trust, Inc. | 146 | $1.00K | 0.00% | 00.0% | Unchanged |
| Allworth Financial LP | 115 | $1.18K | 0.00% | +115 | New |
| The PNC Financial Services Group, Inc. | 150 | $1.54K | 0.00% | 00.0% | Unchanged |
| Lindbrook Capital, LLC | 161 | $1.65K | 0.00% | +161 | New |
| Cutler Group LP | 229 | $2.00K | 0.00% | 00.0% | Unchanged |
| Albion Financial Group | 300 | $3.08K | 0.00% | 00.0% | Unchanged |
| Comerica Bank | 630 | $6.46K | 0.00% | +325+106.6% | Added |
| Quadrant Capital Group LLC | 773 | $7.92K | 0.00% | +489+172.2% | Added |
| Bank of Montreal | 1,173 | $12.3K | 0.00% | +1,173 | New |
| Advisor Group Holdings, Inc. | 1,250 | $12.8K | 0.00% | 00.0% | Unchanged |
| Parallel Advisors, LLC | 1,611 | $16.5K | 0.00% | +1,517+1,613.8% | Added |
| Nisa Investment Advisors, LLC | 2,120 | $21.7K | 0.00% | −1,430−40.3% | Reduced |
| Cipher Capital LP | 10,076 | $103.3K | 0.03% | −54−0.5% | Reduced |
| Landscape Capital Management, L.L.C. | 10,557 | $108.2K | 0.01% | +10,557 | New |
| Teza Capital Management LLC | 11,116 | $113.9K | 0.02% | +11,116 | New |
| Metropolitan Life Insurance Co | 11,635 | $119.3K | 0.01% | 00.0% | Unchanged |
| Xponance, Inc. | 12,070 | $123.7K | 0.00% | +272+2.3% | Added |
| Truist Financial Corp | 12,335 | $126.4K | 0.00% | 00.0% | Unchanged |
| Mackenzie Financial Corp | 12,617 | $129.3K | 0.00% | 00.0% | Unchanged |
| Phoenix Holdings Ltd. | 11,793 | $136.2K | 0.00% | 00.0% | Unchanged |
| FMR LLC | 14,182 | $145.4K | 0.00% | −479,068−97.1% | Reduced |
| Prudential Financial Inc | 14,210 | $145.7K | 0.00% | +370+2.7% | Added |
| LPL Financial LLC | 14,478 | $148.4K | 0.00% | −11,600−44.5% | Reduced |
| Mariner, LLC | 16,255 | $166.6K | 0.00% | +4,195+34.8% | Added |
| GWM Advisors LLC | 16,346 | $167.5K | 0.00% | −4,068−19.9% | Reduced |
| Deerfield Management Company, L.P. (Series C) | 16,404 | $168.1K | 0.00% | +16,404 | New |
| State of Wisconsin Investment Board | 16,537 | $169.5K | 0.00% | −2,154−11.5% | Reduced |
| Amalgamated Bank | 17,555 | $180.0K | 0.00% | −2,032−10.4% | Reduced |
| Kestra Advisory Services, LLC | 18,451 | $189.1K | 0.00% | −550−2.9% | Reduced |
| Lazard Asset Management LLC | 18,998 | $194.0K | 0.00% | +18,998 | New |
| Ameritas Investment Partners, Inc. | 20,751 | $212.7K | 0.01% | +981+5.0% | Added |
| Pictet Asset Management Holding SA | 24,618 | $252.3K | 0.00% | +2,591+11.8% | Added |
| Nordwand Advisors, LLC | 25,000 | $256.3K | 0.07% | 00.0% | Unchanged |
| Principal Financial Group Inc | 25,257 | $258.9K | 0.00% | −4,363−14.7% | Reduced |
| Victory Capital Management Inc | 27,873 | $285.7K | 0.00% | +5,119+22.5% | Added |
| Marshall Wace, LLP | 29,661 | $304.0K | 0.00% | +29,661 | New |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 32,030 | $328.3K | 0.00% | −5,575−14.8% | Reduced |
| Boston Partners | 32,553 | $333.7K | 0.00% | −85,123−72.3% | Reduced |
| ProShare Advisors LLC | 33,184 | $340.1K | 0.00% | +7,141+27.4% | Added |
| Trexquant Investment LP | 35,214 | $360.9K | 0.01% | +35,214 | New |
| HRT Financial LP | 40,540 | $415.0K | 0.00% | +40,540 | New |
| Handelsbanken Fonder AB | 46,831 | $480.0K | 0.00% | 00.0% | Unchanged |
| Arizona State Retirement System | 48,740 | $499.6K | 0.00% | −895−1.8% | Reduced |
| Citadel Advisors LLC | 50,336 | $515.9K | 0.00% | −387,567−88.5% | Reduced |
| Susquehanna Portfolio Strategies, LLC | 50,856 | $521.3K | 0.01% | +50,856 | New |
| Susquehanna Fundamental Investments, LLC | 51,387 | $526.7K | 0.53% | −75,566−59.5% | Reduced |
| Tower Research Capital LLC (TRC) | 52,793 | $541.1K | 0.01% | +43,369+460.2% | Added |
| State Board of Administration of Florida Retirement System | 57,210 | $586.4K | 0.00% | 00.0% | Unchanged |
| Royal Bank of Canada | 63,831 | $654.0K | 0.00% | +30,173+89.6% | Added |
| SG Americas Securities, LLC | 69,590 | $713.0K | 0.01% | +5,273+8.2% | Added |
| Wells Fargo & Company | 71,974 | $737.7K | 0.00% | +11,203+18.4% | Added |
| Voya Investment Management LLC | 81,312 | $833.4K | 0.00% | +1,350+1.7% | Added |
| Susquehanna International Group, LLP | 82,519 | $845.8K | 0.00% | −60,441−42.3% | Reduced |
| New York State Common Retirement Fund | 84,315 | $864.2K | 0.00% | +3,468+4.3% | Added |
| Mirae Asset Global Investments Co., Ltd. | 90,717 | $929.8K | 0.00% | 00.0% | Unchanged |
| Deutsche Bank AG | 92,333 | $946.4K | 0.00% | −2,192−2.3% | Reduced |
| Manufacturers Life Insurance Company, The | 95,606 | $980.0K | 0.00% | −2,590−2.6% | Reduced |
| American International Group, Inc. | 99,644 | $1.02M | 0.00% | −403−0.4% | Reduced |
| Price T Rowe Associates Inc | 104,255 | $1.07M | 0.00% | +59,408+132.5% | Added |
| MetLife Investment Management | 106,362 | $1.09M | 0.01% | 00.0% | Unchanged |
| Legato Capital Management LLC | 120,080 | $1.23M | 0.16% | 00.0% | Unchanged |
| Bank of America Corp | 123,518 | $1.27M | 0.00% | −55,832−31.1% | Reduced |
| Credit Suisse AG | 148,701 | $1.52M | 0.00% | +4,974+3.5% | Added |
| Ardsley Advisory Partners LP | 150,000 | $1.54M | 0.33% | +50,000+50.0% | Added |
| Legal & General Group Plc | 166,131 | $1.70M | 0.00% | −2,086−1.2% | Reduced |
| Hollow Brook Wealth Management LLC | 186,003 | $1.91M | 0.76% | +186,003 | New |
| California State Teachers Retirement System | 188,214 | $1.93M | 0.00% | −10,073−5.1% | Reduced |
| Russell Investments Group, Ltd. | 189,955 | $1.95M | 0.00% | −134,258−41.4% | Reduced |
| Jane Street Group, LLC | 193,313 | $1.98M | 0.00% | +164,793+577.8% | Added |
| UBS Asset Management Americas Inc | 199,828 | $2.05M | 0.00% | +52,801+35.9% | Added |
| Alliancebernstein L.P. | 219,684 | $2.25M | 0.00% | −3,037−1.4% | Reduced |
| Royce & Associates LP | 225,000 | $2.31M | 0.02% | 00.0% | Unchanged |
| M&T Bank Corp | 246,308 | $2.53M | 0.01% | +5,602+2.3% | Added |
| Essex Investment Management Co LLC | 258,073 | $2.65M | 0.52% | −1,139−0.4% | Reduced |
| First Trust Advisors LP | 258,781 | $2.65M | 0.00% | +258,781 | New |
| Invesco Ltd. | 281,680 | $2.89M | 0.00% | +78,894+38.9% | Added |
| Barclays PLC | 309,838 | $3.18M | 0.00% | +242,682+361.4% | Added |
| Rhumbline Advisers | 323,818 | $3.32M | 0.00% | +5,144+1.6% | Added |
| Pentwater Capital Management LP | 335,000 | $3.43M | 0.06% | −243,186−42.1% | Reduced |
| Roubaix Capital, LLC | 336,031 | $3.44M | 2.41% | −165,957−33.1% | Reduced |
| TD Asset Management Inc | 336,054 | $3.44M | 0.00% | 00.0% | Unchanged |
| JPMorgan Chase & Co | 338,203 | $3.47M | 0.00% | +100,437+42.2% | Added |
| Swiss National Bank | 343,600 | $3.52M | 0.00% | −39,600−10.3% | Reduced |
| UBS Group AG | 369,372 | $3.79M | 0.00% | +234,970+174.8% | Added |
| Citigroup Inc | 443,380 | $4.54M | 0.01% | −61,166−12.1% | Reduced |
| Carlson Capital L P | 539,064 | $5.53M | 0.44% | −24,875−4.4% | Reduced |
| Gabelli Funds LLC | 716,040 | $7.34M | 0.06% | −11,960−1.6% | Reduced |
| Bank of New York Mellon Corp | 772,741 | $7.92M | 0.00% | +55,077+7.7% | Added |
| Gamco Investors, Inc. Et Al | 779,845 | $7.99M | 0.09% | −16,450−2.1% | Reduced |
| Crestline Management, LP | 900,000 | $9.22M | 0.85% | −500,000−35.7% | Reduced |
| Adage Capital Partners GP, L.L.C. | 940,799 | $9.64M | 0.02% | +173,027+22.5% | Added |
| CIBC World Markets Corp | 1,075,000 | $11.0M | 0.06% | +300,000+38.7% | Added |
| Pantechnicon Advisors LLP | 1,200,000 | $12.3M | 8.91% | −660,000−35.5% | Reduced |