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 2025
Institutional positions in Mirion Technologies, Inc. as of Dec 31, 2025. 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
- 365
- +26 vs. Q3 2025
- Shares held
- 252.2M
- −2.75M (−1.1%) vs. Q3 2025
- Total value
- $5.91B
- −$22.0M (−0.4%) vs. Q3 2025
- New holders
- 82
- 147 more added
- Sold out
- 56
- 94 more reduced
4 institutions that held it in Q3 2025 haven't filed for Q4 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 2025: 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 2025
Shares, value and share of portfolio for each institution holding Mirion Technologies, Inc.; share changes are against Q3 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Jones Financial Companies LLLP | 847 | $19.8K | 0.00% | +702+484.1% | Added |
| Kemnay Advisory Services Inc. | 812 | $19.0K | 0.00% | +812 | New |
| CIBC Private Wealth Group, LLC | 808 | $18.9K | 0.00% | +132+19.5% | Added |
| Raleigh Capital Management Inc. | 798 | $18.7K | 0.01% | −45−5.3% | Reduced |
| SRS Capital Advisors, Inc. | 785 | $18.4K | 0.00% | −7,673−90.7% | Reduced |
| Root Financial Partners, LLC | 765 | $17.9K | 0.00% | +49+6.8% | Added |
| Hantz Financial Services, Inc. | 678 | $16.0K | 0.00% | +508+298.8% | Added |
| True Wealth Design, LLC | 672 | $15.7K | 0.00% | −6−0.9% | Reduced |
| Eurizon Capital SGR S.p.A. | 641 | $15.0K | 0.00% | +641 | New |
| Elequin Capital LP | 600 | $14.1K | 0.00% | +600 | New |
| Avion Wealth | 620 | $14.0K | 0.00% | 00.0% | Unchanged |
| WPG Advisers, LLC | 566 | $13.3K | 0.01% | +161+39.8% | Added |
| Whittier Trust Co of Nevada Inc | 500 | $12.6K | 0.00% | 00.0% | Unchanged |
| Allworth Financial LP | 527 | $12.3K | 0.00% | +17+3.3% | Added |
| Banque Cantonale Vaudoise | 516 | $12.0K | 0.00% | −78−13.1% | Reduced |
| ORG Partners LLC | 510 | $11.9K | 0.00% | +55+12.1% | Added |
| Cullen/Frost Bankers, Inc. | 491 | $11.5K | 0.00% | +113+29.9% | Added |
| CoreCap Advisors, LLC | 352 | $8.24K | 0.00% | +50+16.6% | Added |
| Hillsdale Investment Management Inc. | 350 | $8.20K | 0.00% | −50−12.5% | Reduced |
| Transamerica Financial Advisors, Inc. | 315 | $7.38K | 0.00% | +69+28.0% | Added |
| Bell Investment Advisors, Inc | 302 | $7.07K | 0.00% | +199+193.2% | Added |
| Rothschild Investment LLC | 300 | $7.03K | 0.00% | 00.0% | Unchanged |
| Millstone Evans Group, LLC | 292 | $6.84K | 0.00% | 00.0% | Unchanged |
| Harbour Investments, Inc. | 287 | $6.72K | 0.00% | +80+38.6% | Added |
| Murphy & Mullick Capital Management Corp | 250 | $5.86K | 0.00% | 00.0% | Unchanged |
| IFP Advisors, Inc | 244 | $5.71K | 0.00% | 00.0% | Unchanged |
| Massmutual Trust Co FSB | 243 | $5.69K | 0.00% | +243 | New |
| Private Trust Co NA | 214 | $5.01K | 0.00% | −7−3.2% | Reduced |
| Larson Financial Group LLC | 204 | $4.78K | 0.00% | 00.0% | Unchanged |
| JFS Wealth Advisors, LLC | 170 | $3.98K | 0.00% | +43+33.9% | Added |
| High Note Wealth, LLC | 169 | $3.96K | 0.00% | +169 | New |
| Ronald Blue Trust, Inc. | 146 | $3.42K | 0.00% | 00.0% | Unchanged |
| Quarry LP | 140 | $3.28K | 0.00% | −91−39.4% | Reduced |
| SBI Securities Co., Ltd. | 132 | $3.09K | 0.00% | +101+325.8% | Added |
| Highline Wealth Partners LLC | 126 | $2.95K | 0.00% | 00.0% | Unchanged |
| Parkside Financial Bank & Trust | 114 | $2.67K | 0.00% | +101+776.9% | Added |
| Farmers & Merchants Investments Inc | 100 | $2.34K | 0.00% | +100 | New |
| Clearstead Advisors, LLC | 93 | $2.18K | 0.00% | −193−67.5% | Reduced |
| Keating Financial Advisory Services, Inc. | 90 | $2.11K | 0.00% | +90 | New |
| Harvest Fund Management Co., Ltd | 93 | $2.00K | 0.00% | 00.0% | Unchanged |
| Toth Financial Advisory Corp | 85 | $1.99K | 0.00% | 00.0% | Unchanged |
| Cedar Mountain Advisors, LLC | 71 | $1.66K | 0.00% | +34+91.9% | Added |
| Sunbelt Securities, Inc. | 69 | $1.62K | 0.00% | 00.0% | Unchanged |
| Marquette Asset Management, LLC | 67 | $1.57K | 0.00% | 00.0% | Unchanged |
| Bellevue Asset Management, LLC | 66 | $1.54K | 0.00% | +66 | New |
| Glen Eagle Advisors, LLC | 62 | $1.45K | 0.00% | 00.0% | Unchanged |
| Fortitude Family Office, LLC | 56 | $1.31K | 0.00% | −15−21.1% | Reduced |
| DecisionPoint Financial, LLC | 47 | $1.10K | 0.00% | 00.0% | Unchanged |
| Bare Financial Services, Inc | 46 | $1.08K | 0.00% | −12−20.7% | Reduced |
| Covestor Ltd | 31 | $1.00K | 0.00% | +18+138.5% | Added |
| Assetmark, Inc | 42 | $984 | 0.00% | +1+2.4% | Added |
| Signaturefd, LLC | 34 | $796 | 0.00% | +19+126.7% | Added |
| Ankerstar Wealth, LLC | 34 | $796 | 0.00% | +34 | New |
| Raffa Wealth Management, LLC | 32 | $749 | 0.00% | +8+33.3% | Added |
| SJS Investment Consulting Inc. | 25 | $586 | 0.00% | 00.0% | Unchanged |
| Rialto Wealth Management, LLC | 24 | $563 | 0.00% | +5+26.3% | Added |
| Abound Wealth Management | 22 | $516 | 0.00% | 00.0% | Unchanged |
| Trust Co | 20 | $468 | 0.00% | +20 | New |
| HFM Investment Advisors, LLC | 18 | $422 | 0.00% | −1−5.3% | Reduced |
| Bay Harbor Wealth Management, LLC | 17 | $398 | 0.00% | 00.0% | Unchanged |
| Gilpin Wealth Management, LLC | 16 | $375 | 0.00% | +16 | New |
| Anfield Capital Management, LLC | 14 | $328 | 0.00% | 00.0% | Unchanged |
| Rossby Financial, LCC | 9 | $211 | 0.00% | +9 | New |
| Dunhill Financial, LLC | 4 | $105 | 0.00% | +4 | New |
| Huntington National Bank | 1 | $23 | 0.00% | 00.0% | Unchanged |
| Maverick Capital LtdSuperinvestorMaverick Capital | 0 | $0 | 0.00% | −2,588,579−100.0% | Sold out |
| Yaupon Capital Management LP | 0 | $0 | 0.00% | −525,000−100.0% | Sold out |
| Millennium Management LLC | 0 | $0 | 0.00% | −521,021−100.0% | Sold out |
| Bornite Capital Management LP | 0 | $0 | 0.00% | −500,000−100.0% | Sold out |
| Susquehanna International Group, LLP | 0 | $0 | 0.00% | −388,894−100.0% | Sold out |
| Kingdon Capital Management, L.L.C. | 0 | $0 | 0.00% | −375,000−100.0% | Sold out |
| Pinnbrook Capital Management LP | 0 | $0 | 0.00% | −335,070−100.0% | Sold out |
| Great West Life Assurance Co | 0 | $0 | 0.00% | −324,608−100.0% | Sold out |
| Fortress Investment Group LLC | 0 | $0 | 0.00% | −302,431−100.0% | Sold out |
| Two Sigma Investments, LP | 0 | $0 | 0.00% | −298,500−100.0% | Sold out |
| Maven Securities LTD | 0 | $0 | 0.00% | −275,000−100.0% | Sold out |
| Simplex Trading, LLC | 0 | $0 | 0.00% | −202,331−100.0% | Sold out |
| Zimmer Partners, LP | 0 | $0 | 0.00% | −200,000−100.0% | Sold out |
| Centiva Capital, LP | 0 | $0 | 0.00% | −155,000−100.0% | Sold out |
| Element Capital Management LLC | 0 | $0 | 0.00% | −115,578−100.0% | Sold out |
| Macquarie Group Ltd | 0 | $0 | 0.00% | −114,724−100.0% | Sold out |
| Concentric Capital Strategies, LP | 0 | $0 | 0.00% | −114,483−100.0% | Sold out |
| Polar Asset Management Partners Inc. | 0 | $0 | 0.00% | −105,000−100.0% | Sold out |
| Monashee Investment Management LLC | 0 | $0 | 0.00% | −100,000−100.0% | Sold out |
| Ovata Capital Management Ltd | 0 | $0 | 0.00% | −100,000−100.0% | Sold out |
| Jackson Creek Investment Advisors LLC | 0 | $0 | 0.00% | −93,843−100.0% | Sold out |
| Freestone Grove Partners LP | 0 | $0 | 0.00% | −77,415−100.0% | Sold out |
| Jane Street Group, LLC | 0 | $0 | 0.00% | −55,760−100.0% | Sold out |
| Brevan Howard Capital Management LP | 0 | $0 | 0.00% | −49,910−100.0% | Sold out |
| Hel Ved Capital Management Ltd | 0 | $0 | 0.00% | −49,800−100.0% | Sold out |
| Wolverine Asset Management LLC | 0 | $0 | 0.00% | −49,359−100.0% | Sold out |
| Fund 1 Investments, LLC | 0 | $0 | 0.00% | −43,900−100.0% | Sold out |
| IMC-Chicago, LLC | 0 | $0 | 0.00% | −42,689−100.0% | Sold out |
| Groupama Asset Managment | 0 | $0 | 0.00% | – | Sold out |
| Teacher Retirement System of Texas | 0 | $0 | 0.00% | −27,885−100.0% | Sold out |
| Virtu Financial LLC | 0 | $0 | 0.00% | −27,771−100.0% | Sold out |
| Polymer Capital Management (US) LLC | 0 | $0 | 0.00% | −27,682−100.0% | Sold out |
| SummitTX Capital, L.P. | 0 | $0 | 0.00% | −25,482−100.0% | Sold out |
| Mackenzie Financial Corp | 0 | $0 | 0.00% | −24,289−100.0% | Sold out |
| Axq Capital, LP | 0 | $0 | 0.00% | −16,795−100.0% | Sold out |