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 2022
Institutional positions in Mirion Technologies, Inc. as of Mar 31, 2022. 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
- 108
- +15 vs. Q4 2021
- Shares held
- 148.8M
- +3.86M (+2.7%) vs. Q4 2021
- Total value
- $1.20B
- −$316.9M (−20.9%) vs. Q4 2021
- New holders
- 34
- 33 more added
- Sold out
- 19
- 28 more reduced
Compare with Q4 2021: 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 2022
Shares, value and share of portfolio for each institution holding Mirion Technologies, Inc.; share changes are against Q4 2021.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| FNY Investment Advisers, LLC | 202 | $1.00K | 0.00% | −20−9.0% | Reduced |
| Howe & Rusling Inc | 222 | $2.00K | 0.00% | −51−18.7% | Reduced |
| Albion Financial Group | 300 | $2.00K | 0.00% | 00.0% | Unchanged |
| FourThought Financial, LLC | 249 | $2.00K | 0.00% | 00.0% | Unchanged |
| Byrne Asset Management LLC | 225 | $2.00K | 0.00% | 00.0% | Unchanged |
| Cutler Group LP | 251 | $2.00K | 0.00% | +251 | New |
| Advisor Group Holdings, Inc. | 391 | $3.00K | 0.00% | −500−56.1% | Reduced |
| Dark Forest Capital Management LP | 383 | $3.00K | 0.00% | +383 | New |
| American Portfolios Advisors | 500 | $4.04K | 0.00% | −665−57.1% | Reduced |
| Blue Bell Private Wealth Management, LLC | 700 | $6.00K | 0.00% | 00.0% | Unchanged |
| Quantbot Technologies LP | 2,128 | $17.0K | 0.00% | +2,128 | New |
| Wells Fargo & Company | 2,939 | $24.0K | 0.00% | −2,997−50.5% | Reduced |
| Tower Research Capital LLC (TRC) | 3,993 | $32.0K | 0.00% | −13,127−76.7% | Reduced |
| Royal Bank of Canada | 7,806 | $63.0K | 0.00% | +7,806 | New |
| Penserra Capital Management LLC | 9,129 | $73.0K | 0.00% | −3,737−29.0% | Reduced |
| Sciencast Management LP | 10,300 | $78.0K | 0.02% | +10,300 | New |
| Prelude Capital Management, LLC | 10,506 | $85.0K | 0.00% | +10,506 | New |
| Fifth Lane Capital, LP | 11,410 | $92.0K | 0.06% | +11,410 | New |
| Punch & Associates Investment Management, Inc. | 11,700 | $94.0K | 0.01% | +11,700 | New |
| Ergoteles LLC | 12,000 | $97.0K | 0.00% | +12,000 | New |
| Exos Asset Management LLC | 12,213 | $99.0K | 0.04% | −3,392−21.7% | Reduced |
| Graham Capital Management, L.P. | 12,403 | $100.0K | 0.00% | +12,403 | New |
| Truist Financial Corp | 12,890 | $104.0K | 0.00% | +12,890 | New |
| Perpetual Investment Management Ltd | 13,421 | $108.0K | 0.01% | +1,246+10.2% | Added |
| K.J. Harrison & Partners Inc | 17,550 | $142.0K | 0.02% | −98,900−84.9% | Reduced |
| Victory Capital Management Inc | 19,130 | $151.0K | 0.00% | −545−2.8% | Reduced |
| Twinbeech Capital LP | 18,911 | $153.0K | 0.01% | +7,694+68.6% | Added |
| Kestra Advisory Services, LLC | 18,951 | $153.0K | 0.00% | +18,951 | New |
| Diametric Capital, LP | 19,170 | $154.0K | 0.08% | +19,170 | New |
| Boothbay Fund Management, LLC | 25,574 | $206.0K | 0.01% | +25,574 | New |
| Old Mission Capital LLC | 26,993 | $218.0K | 0.01% | +26,993 | New |
| Jump Financial, LLC | 29,349 | $237.0K | 0.01% | +29,349 | New |
| Susquehanna International Group, LLP | 33,217 | $268.0K | 0.00% | −21,139−38.9% | Reduced |
| Weiss Asset Management LP | 34,300 | $277.0K | 0.01% | +34,300 | New |
| Simplex Trading, LLC | 37,056 | $299.0K | 0.01% | +37,056 | New |
| YorkBridge Wealth Partners, LLC | 38,562 | $311.0K | 0.07% | +12,138+45.9% | Added |
| Levin Capital Strategies, L.P. | 38,685 | $312.0K | 0.03% | 00.0% | Unchanged |
| FDx Advisors, Inc. | 40,303 | $325.0K | 0.01% | +13,879+52.5% | Added |
| Group One Trading, L.P. | 43,617 | $352.0K | 0.01% | −10,880−20.0% | Reduced |
| Mirabella Financial Services LLP | 45,987 | $371.0K | 0.04% | +5,267+12.9% | Added |
| Gyon Technologies Capital Management, LP | 47,932 | $387.0K | 0.27% | +47,932 | New |
| Bank of New York Mellon Corp | 48,956 | $395.0K | 0.00% | +86+0.2% | Added |
| CenterBook Partners LP | 54,772 | $442.0K | 0.16% | +27,310+99.4% | Added |
| Invesco Ltd. | 57,082 | $461.0K | 0.00% | +57,082 | New |
| Wolverine Asset Management LLC | 62,023 | $500.0K | 0.01% | −295,559−82.7% | Reduced |
| Cannon Global Investment Management, LLC | 64,000 | $516.0K | 0.37% | +64,000 | New |
| HighTower Advisors, LLC | 68,200 | $551.0K | 0.00% | +35,200+106.7% | Added |
| Cruiser Capital Advisors, LLC | 68,543 | $553.0K | 0.47% | 00.0% | Unchanged |
| Telemetry Investments, L.L.C. | 68,500 | $553.0K | 0.88% | 00.0% | Unchanged |
| Bank of America Corp | 71,872 | $580.0K | 0.00% | +21,072+41.5% | Added |
| Defender Capital, LLC. | 60,000 | $628.0K | 0.22% | 00.0% | Unchanged |
| Squarepoint Ops LLC | 83,454 | $673.0K | 0.01% | +83,454 | New |
| Cubist Systematic Strategies, LLC | 100,526 | $811.0K | 0.01% | −143,427−58.8% | Reduced |
| Occudo Quantitative Strategies LP | 111,940 | $903.0K | 0.08% | +111,940 | New |
| UBS Group AG | 114,000 | $920.0K | 0.00% | −27,153−19.2% | Reduced |
| Royce & Associates LP | 125,000 | $1.01M | 0.01% | +125,000 | New |
| Schonfeld Strategic Advisors LLC | 136,507 | $1.10M | 0.01% | +136,507 | New |
| Kepos Capital LP | 150,000 | $1.21M | 0.09% | 00.0% | Unchanged |
| HRT Financial LP | 150,173 | $1.21M | 0.01% | +150,173 | New |
| Gamco Investors, Inc. Et Al | 166,846 | $1.35M | 0.01% | +9,646+6.1% | Added |
| Northern Trust Corp | 193,752 | $1.56M | 0.00% | −3,084−1.6% | Reduced |
| Landscape Capital Management, L.L.C. | 225,586 | $1.82M | 0.23% | +225,586 | New |
| MYDA Advisors LLC | 230,000 | $1.86M | 0.76% | +70,000+43.8% | Added |
| Advisory Research Inc | 232,225 | $1.87M | 0.15% | +134,874+138.5% | Added |
| Jane Street Group, LLC | 261,945 | $2.11M | 0.00% | +261,945 | New |
| Hudson Bay Capital Management LP | 269,229 | $2.17M | 0.03% | −433,908−61.7% | Reduced |
| Balyasny Asset Management LLC | 281,597 | $2.27M | 0.01% | +68,608+32.2% | Added |
| Saba Capital Management, L.P. | 300,000 | $2.42M | 0.04% | 00.0% | Unchanged |
| State Street Corp | 337,137 | $2.72M | 0.00% | +17,237+5.4% | Added |
| Citadel Advisors LLC | 368,946 | $2.98M | 0.00% | +262,497+246.6% | Added |
| Moore Capital Management, LP | 375,000 | $3.03M | 0.10% | +100,000+36.4% | Added |
| ExodusPoint Capital Management, LP | 386,558 | $3.12M | 0.05% | +386,558 | New |
| Ionic Capital Management LLC | 418,107 | $3.37M | 0.50% | +234,208+127.4% | Added |
| Qube Research & Technologies Ltd | 441,836 | $3.57M | 0.03% | +190,820+76.0% | Added |
| Millennium Management LLC | 458,462 | $3.70M | 0.00% | −381,527−45.4% | Reduced |
| Artal Group S.A. | 500,000 | $4.04M | 0.17% | 00.0% | Unchanged |
| Pentwater Capital Management LP | 520,000 | $4.20M | 0.08% | +520,000 | New |
| Charles Schwab Investment Management Inc | 522,516 | $4.22M | 0.00% | +20,802+4.1% | Added |
| Lord, Abbett & Co. LLC | 548,482 | $4.43M | 0.01% | +548,482 | New |
| Gabelli Funds LLC | 604,688 | $4.88M | 0.03% | +51,122+9.2% | Added |
| Kingdon Capital Management, L.L.C. | 700,000 | $5.65M | 0.96% | −538,500−43.5% | Reduced |
| Crestline Management, LP | 700,000 | $5.65M | 0.71% | +700,000 | New |
| Carlson Capital L P | 725,000 | $5.85M | 0.40% | +75,000+11.5% | Added |
| Principal Financial Group Inc | 798,680 | $6.45M | 0.00% | −53,673−6.3% | Reduced |
| Schwartz Investment Counsel Inc | 825,000 | $6.66M | 0.28% | +825,000 | New |
| Geode Capital Management, LLC | 912,209 | $7.36M | 0.00% | +25,613+2.9% | Added |
| Clearline Capital LP | 918,876 | $7.42M | 1.01% | −113,595−11.0% | Reduced |
| Blue Pool Management Ltd. | 991,353 | $8.00M | 1.27% | −2,008,647−67.0% | Reduced |
| Ratan Capital Management LP | 1,022,370 | $8.25M | 5.72% | −1,340,710−56.7% | Reduced |
| Bpifrance SA | 1,286,446 | $10.4M | 0.29% | 00.0% | Unchanged |
| First Manhattan Co | 1,515,385 | $12.2M | 0.04% | +352,950+30.4% | Added |
| Sculptor Capital LP | 1,603,052 | $12.9M | 0.10% | +50,000+3.2% | Added |
| Barrow Hanley Mewhinney & Strauss LLC | 1,621,850 | $13.1M | 0.04% | −27,315−1.7% | Reduced |
| Morgan Stanley | 1,813,674 | $14.6M | 0.00% | +107,716+6.3% | Added |
| BlackRock Inc. | 2,302,251 | $18.6M | 0.00% | +935,824+68.5% | Added |
| Janus Henderson Group PLC | 2,754,853 | $22.2M | 0.01% | +862,819+45.6% | Added |
| P2 Capital Partners, LLC | 2,786,377 | $22.5M | 2.13% | +2,786,377 | New |
| Cooperman Leon G | 3,436,355 | $27.7M | 1.46% | +436,355+14.5% | Added |
| Bamco Inc | 3,800,000 | $30.7M | 0.08% | 00.0% | Unchanged |
| Corsair Capital Management, L.P. | 3,979,754 | $32.1M | 7.95% | −406,645−9.3% | Reduced |