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 2025
Institutional positions in Mirion Technologies, Inc. as of Mar 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
- 230
- +8 vs. Q4 2024
- Shares held
- 185.4M
- −1.13M (−0.6%) vs. Q4 2024
- Total value
- $2.69B
- −$565.0M (−17.4%) vs. Q4 2024
- New holders
- 47
- 93 more added
- Sold out
- 39
- 66 more reduced
2 institutions that held it in Q4 2024 haven't filed for Q1 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 2024: 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 2025
Shares, value and share of portfolio for each institution holding Mirion Technologies, Inc.; share changes are against Q4 2024.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Public Employees Retirement System of Ohio | 270 | $3.92K | 0.00% | +270 | New |
| Millstone Evans Group, LLC | 268 | $3.89K | 0.00% | +268 | New |
| Allworth Financial LP | 247 | $3.69K | 0.00% | +155+168.5% | Added |
| Lindbrook Capital, LLC | 253 | $3.67K | 0.00% | +47+22.8% | Added |
| Murphy & Mullick Capital Management Corp | 250 | $3.63K | 0.00% | 00.0% | Unchanged |
| Rothschild Investment LLC | 230 | $3.33K | 0.00% | +230 | New |
| Coldstream Capital Management Inc | 213 | $3.09K | 0.00% | +213 | New |
| Larson Financial Group LLC | 189 | $2.74K | 0.00% | +189 | New |
| Ronald Blue Trust, Inc. | 146 | $2.12K | 0.00% | 00.0% | Unchanged |
| Hemington Wealth Management | 201 | $2.00K | 0.00% | +87+76.3% | Added |
| Highline Wealth Partners LLC | 126 | $1.83K | 0.00% | +126 | New |
| Amundi | 133 | $1.81K | 0.00% | −2−1.5% | Reduced |
| Parkside Financial Bank & Trust | 120 | $1.74K | 0.00% | +120 | New |
| JFS Wealth Advisors, LLC | 106 | $1.54K | 0.00% | −3−2.8% | Reduced |
| Bell Investment Advisors, Inc | 103 | $1.49K | 0.00% | 00.0% | Unchanged |
| Ameriflex Group, Inc. | 94 | $1.36K | 0.00% | 00.0% | Unchanged |
| Russell Investments Group, Ltd. | 87 | $1.26K | 0.00% | +87 | New |
| Stephens Consulting, LLC | 75 | $1.09K | 0.00% | +75 | New |
| ORG Partners LLC | 90 | $861 | 0.00% | +90 | New |
| SJS Investment Consulting Inc. | 43 | $624 | 0.00% | 00.0% | Unchanged |
| Caitong International Asset Management Co., Ltd | 43 | $624 | 0.00% | +43 | New |
| SBI Securities Co., Ltd. | 22 | $319 | 0.00% | +12+120.0% | Added |
| Signaturefd, LLC | 15 | $218 | 0.00% | +15 | New |
| IFP Advisors, Inc | 12 | $174 | 0.00% | 00.0% | Unchanged |
| True Wealth Design, LLC | 12 | $174 | 0.00% | +12 | New |
| Farther Finance Advisors, LLC | 7 | $100 | 0.00% | 00.0% | Unchanged |
| Parkworth Wealth Management, Inc. | 6 | $87 | 0.00% | 00.0% | Unchanged |
| HFM Investment Advisors, LLC | 6 | $87 | 0.00% | +6 | New |
| Bay Harbor Wealth Management, LLC | 4 | $58 | 0.00% | +4 | New |
| Covestor Ltd | 13 | $0 | 0.00% | 00.0% | Unchanged |
| Munro Partners | 0 | $0 | 0.00% | −1,122,215−100.0% | Sold out |
| Greenhouse Funds LLLP | 0 | $0 | 0.00% | −700,623−100.0% | Sold out |
| Ci Investments Inc. | 0 | $0 | 0.00% | −659,720−100.0% | Sold out |
| Discovery Capital Management, LLC | 0 | $0 | 0.00% | −360,000−100.0% | Sold out |
| Duquesne Family Office LLCSuperinvestorDuquesne Family Office | 0 | $0 | 0.00% | −342,700−100.0% | Sold out |
| Walleye Trading LLC | 0 | $0 | 0.00% | −296,844−100.0% | Sold out |
| EAM Global Investors LLC | 0 | $0 | 0.00% | −282,534−100.0% | Sold out |
| Paradoxiom Capital L.P. | 0 | $0 | 0.00% | −280,335−100.0% | Sold out |
| EAM Investors, LLC | 0 | $0 | 0.00% | −257,777−100.0% | Sold out |
| Scopus Asset Management, L.P. | 0 | $0 | 0.00% | −246,060−100.0% | Sold out |
| Bridgewater Associates, LP | 0 | $0 | 0.00% | −243,755−100.0% | Sold out |
| Marshall Wace, LLP | 0 | $0 | 0.00% | −239,439−100.0% | Sold out |
| Advantage Alpha Capital Partners LP | 0 | $0 | 0.00% | −235,565−100.0% | Sold out |
| Yaupon Capital Management LP | 0 | $0 | 0.00% | −178,554−100.0% | Sold out |
| Polar Asset Management Partners Inc. | 0 | $0 | 0.00% | −174,919−100.0% | Sold out |
| M&T Bank Corp | 0 | $0 | 0.00% | −160,116−100.0% | Sold out |
| Adage Capital Partners GP, L.L.C. | 0 | $0 | 0.00% | −140,958−100.0% | Sold out |
| Nomura Holdings Inc | 0 | $0 | 0.00% | −97,824−100.0% | Sold out |
| Bryce Point Capital, LLC | 0 | $0 | 0.00% | −95,998−100.0% | Sold out |
| Wolverine Trading, LLC | 0 | $0 | 0.00% | −69,607−100.0% | Sold out |
| Moore Capital Management, LP | 0 | $0 | 0.00% | −59,817−100.0% | Sold out |
| Counterpoint Mutual Funds LLC | 0 | $0 | 0.00% | −44,022−100.0% | Sold out |
| Group One Trading, L.P. | 0 | $0 | 0.00% | −43,240−100.0% | Sold out |
| Susquehanna Fundamental Investments, LLC | 0 | $0 | 0.00% | −36,400−100.0% | Sold out |
| Jain Global LLC | 0 | $0 | 0.00% | −25,665−100.0% | Sold out |
| Occudo Quantitative Strategies LP | 0 | $0 | 0.00% | −22,566−100.0% | Sold out |
| Y-Intercept (Hong Kong) Ltd | 0 | $0 | 0.00% | −22,551−100.0% | Sold out |
| Gilder Gagnon Howe & Co LLC | 0 | $0 | 0.00% | −22,234−100.0% | Sold out |
| Landscape Capital Management, L.L.C. | 0 | $0 | 0.00% | −11,960−100.0% | Sold out |
| CI Private Wealth, LLC | 0 | $0 | 0.00% | −10,700−100.0% | Sold out |
| SkyView Investment Advisors, LLC | 0 | $0 | 0.00% | −10,000−100.0% | Sold out |
| Harvest Fund Management Co., Ltd | 0 | $0 | 0.00% | −6,858−100.0% | Sold out |
| Aster Capital Management (DIFC) Ltd | 0 | $0 | 0.00% | −855−100.0% | Sold out |
| SRS Capital Advisors, Inc. | 0 | $0 | 0.00% | −438−100.0% | Sold out |
| Nelson, Van Denburg & Campbell Wealth Management Group, LLC | 0 | $0 | 0.00% | −202−100.0% | Sold out |
| Parallax Volatility Advisers, L.P. | 0 | $0 | 0.00% | −120−100.0% | Sold out |
| Steward Partners Investment Advisory, LLC | 0 | $0 | 0.00% | −100−100.0% | Sold out |
| Neo Ivy Capital Management | 0 | $0 | 0.00% | −63−100.0% | Sold out |
| FNY Investment Advisers, LLC | 0 | $0 | 0.00% | −10−100.0% | Sold out |
| Swedbank AB | – | – | – | – | Not filed |
| Nuveen Asset Management, LLC | – | – | – | – | Not filed |