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 |
|---|---|---|---|---|---|
| Goldman Sachs Group Inc | 53,181,750 | $429.2M | 0.11% | −83,993−0.2% | Reduced |
| Alyeska Investment Group, L.P. | 14,089,613 | $113.7M | 1.25% | +496,160+3.6% | Added |
| FMR LLC | 8,466,025 | $68.3M | 0.01% | +966,025+12.9% | Added |
| Vanguard Group Inc | 7,156,127 | $57.8M | 0.00% | +127,370+1.8% | Added |
| Swedbank AB | 6,911,302 | $55.8M | 0.10% | +1,071,202+18.3% | Added |
| Senator Investment Group LP | 6,000,000 | $48.4M | 1.50% | −875,000−12.7% | Reduced |
| Locust Wood Capital Advisers, LLC | 4,433,455 | $35.8M | 2.27% | −253,276−5.4% | Reduced |
| FIL Ltd | 4,120,244 | $33.3M | 0.03% | +3,153,744+326.3% | Added |
| Corsair Capital Management, L.P. | 3,979,754 | $32.1M | 7.95% | −406,645−9.3% | Reduced |
| Bamco Inc | 3,800,000 | $30.7M | 0.08% | 00.0% | Unchanged |
| Cooperman Leon G | 3,436,355 | $27.7M | 1.46% | +436,355+14.5% | Added |
| P2 Capital Partners, LLC | 2,786,377 | $22.5M | 2.13% | +2,786,377 | New |
| Janus Henderson Group PLC | 2,754,853 | $22.2M | 0.01% | +862,819+45.6% | Added |
| BlackRock Inc. | 2,302,251 | $18.6M | 0.00% | +935,824+68.5% | Added |
| Morgan Stanley | 1,813,674 | $14.6M | 0.00% | +107,716+6.3% | Added |
| Barrow Hanley Mewhinney & Strauss LLC | 1,621,850 | $13.1M | 0.04% | −27,315−1.7% | Reduced |
| Sculptor Capital LP | 1,603,052 | $12.9M | 0.10% | +50,000+3.2% | Added |
| First Manhattan Co | 1,515,385 | $12.2M | 0.04% | +352,950+30.4% | Added |
| Bpifrance SA | 1,286,446 | $10.4M | 0.29% | 00.0% | Unchanged |
| Ratan Capital Management LP | 1,022,370 | $8.25M | 5.72% | −1,340,710−56.7% | Reduced |
| Blue Pool Management Ltd. | 991,353 | $8.00M | 1.27% | −2,008,647−67.0% | Reduced |
| Clearline Capital LP | 918,876 | $7.42M | 1.01% | −113,595−11.0% | Reduced |
| Geode Capital Management, LLC | 912,209 | $7.36M | 0.00% | +25,613+2.9% | Added |
| Schwartz Investment Counsel Inc | 825,000 | $6.66M | 0.28% | +825,000 | New |
| Principal Financial Group Inc | 798,680 | $6.45M | 0.00% | −53,673−6.3% | Reduced |
| Carlson Capital L P | 725,000 | $5.85M | 0.40% | +75,000+11.5% | 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 |
| Gabelli Funds LLC | 604,688 | $4.88M | 0.03% | +51,122+9.2% | Added |
| Lord, Abbett & Co. LLC | 548,482 | $4.43M | 0.01% | +548,482 | New |
| Charles Schwab Investment Management Inc | 522,516 | $4.22M | 0.00% | +20,802+4.1% | Added |
| Pentwater Capital Management LP | 520,000 | $4.20M | 0.08% | +520,000 | New |
| Artal Group S.A. | 500,000 | $4.04M | 0.17% | 00.0% | Unchanged |
| Millennium Management LLC | 458,462 | $3.70M | 0.00% | −381,527−45.4% | Reduced |
| Qube Research & Technologies Ltd | 441,836 | $3.57M | 0.03% | +190,820+76.0% | Added |
| Ionic Capital Management LLC | 418,107 | $3.37M | 0.50% | +234,208+127.4% | Added |
| ExodusPoint Capital Management, LP | 386,558 | $3.12M | 0.05% | +386,558 | New |
| Moore Capital Management, LP | 375,000 | $3.03M | 0.10% | +100,000+36.4% | Added |
| Citadel Advisors LLC | 368,946 | $2.98M | 0.00% | +262,497+246.6% | Added |
| State Street Corp | 337,137 | $2.72M | 0.00% | +17,237+5.4% | Added |
| Saba Capital Management, L.P. | 300,000 | $2.42M | 0.04% | 00.0% | Unchanged |
| Balyasny Asset Management LLC | 281,597 | $2.27M | 0.01% | +68,608+32.2% | Added |
| Hudson Bay Capital Management LP | 269,229 | $2.17M | 0.03% | −433,908−61.7% | Reduced |
| Jane Street Group, LLC | 261,945 | $2.11M | 0.00% | +261,945 | New |
| Advisory Research Inc | 232,225 | $1.87M | 0.15% | +134,874+138.5% | Added |
| MYDA Advisors LLC | 230,000 | $1.86M | 0.76% | +70,000+43.8% | Added |
| Landscape Capital Management, L.L.C. | 225,586 | $1.82M | 0.23% | +225,586 | New |
| Northern Trust Corp | 193,752 | $1.56M | 0.00% | −3,084−1.6% | Reduced |
| Gamco Investors, Inc. Et Al | 166,846 | $1.35M | 0.01% | +9,646+6.1% | Added |
| Kepos Capital LP | 150,000 | $1.21M | 0.09% | 00.0% | Unchanged |
| HRT Financial LP | 150,173 | $1.21M | 0.01% | +150,173 | New |
| Schonfeld Strategic Advisors LLC | 136,507 | $1.10M | 0.01% | +136,507 | New |
| Royce & Associates LP | 125,000 | $1.01M | 0.01% | +125,000 | New |
| UBS Group AG | 114,000 | $920.0K | 0.00% | −27,153−19.2% | Reduced |
| Occudo Quantitative Strategies LP | 111,940 | $903.0K | 0.08% | +111,940 | New |
| Cubist Systematic Strategies, LLC | 100,526 | $811.0K | 0.01% | −143,427−58.8% | Reduced |
| Squarepoint Ops LLC | 83,454 | $673.0K | 0.01% | +83,454 | New |
| Defender Capital, LLC. | 60,000 | $628.0K | 0.22% | 00.0% | Unchanged |
| Bank of America Corp | 71,872 | $580.0K | 0.00% | +21,072+41.5% | 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 |
| HighTower Advisors, LLC | 68,200 | $551.0K | 0.00% | +35,200+106.7% | Added |
| Cannon Global Investment Management, LLC | 64,000 | $516.0K | 0.37% | +64,000 | New |
| Wolverine Asset Management LLC | 62,023 | $500.0K | 0.01% | −295,559−82.7% | Reduced |
| Invesco Ltd. | 57,082 | $461.0K | 0.00% | +57,082 | New |
| CenterBook Partners LP | 54,772 | $442.0K | 0.16% | +27,310+99.4% | Added |
| Bank of New York Mellon Corp | 48,956 | $395.0K | 0.00% | +86+0.2% | Added |
| Gyon Technologies Capital Management, LP | 47,932 | $387.0K | 0.27% | +47,932 | New |
| Mirabella Financial Services LLP | 45,987 | $371.0K | 0.04% | +5,267+12.9% | Added |
| Group One Trading, L.P. | 43,617 | $352.0K | 0.01% | −10,880−20.0% | Reduced |
| FDx Advisors, Inc. | 40,303 | $325.0K | 0.01% | +13,879+52.5% | Added |
| Levin Capital Strategies, L.P. | 38,685 | $312.0K | 0.03% | 00.0% | Unchanged |
| YorkBridge Wealth Partners, LLC | 38,562 | $311.0K | 0.07% | +12,138+45.9% | Added |
| Simplex Trading, LLC | 37,056 | $299.0K | 0.01% | +37,056 | New |
| Weiss Asset Management LP | 34,300 | $277.0K | 0.01% | +34,300 | New |
| Susquehanna International Group, LLP | 33,217 | $268.0K | 0.00% | −21,139−38.9% | Reduced |
| Jump Financial, LLC | 29,349 | $237.0K | 0.01% | +29,349 | New |
| Old Mission Capital LLC | 26,993 | $218.0K | 0.01% | +26,993 | New |
| Boothbay Fund Management, LLC | 25,574 | $206.0K | 0.01% | +25,574 | New |
| Diametric Capital, LP | 19,170 | $154.0K | 0.08% | +19,170 | New |
| 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 |
| Victory Capital Management Inc | 19,130 | $151.0K | 0.00% | −545−2.8% | Reduced |
| K.J. Harrison & Partners Inc | 17,550 | $142.0K | 0.02% | −98,900−84.9% | Reduced |
| Perpetual Investment Management Ltd | 13,421 | $108.0K | 0.01% | +1,246+10.2% | Added |
| Truist Financial Corp | 12,890 | $104.0K | 0.00% | +12,890 | New |
| Graham Capital Management, L.P. | 12,403 | $100.0K | 0.00% | +12,403 | New |
| Exos Asset Management LLC | 12,213 | $99.0K | 0.04% | −3,392−21.7% | Reduced |
| Ergoteles LLC | 12,000 | $97.0K | 0.00% | +12,000 | New |
| Punch & Associates Investment Management, Inc. | 11,700 | $94.0K | 0.01% | +11,700 | New |
| Fifth Lane Capital, LP | 11,410 | $92.0K | 0.06% | +11,410 | New |
| Prelude Capital Management, LLC | 10,506 | $85.0K | 0.00% | +10,506 | New |
| Sciencast Management LP | 10,300 | $78.0K | 0.02% | +10,300 | New |
| Penserra Capital Management LLC | 9,129 | $73.0K | 0.00% | −3,737−29.0% | Reduced |
| Royal Bank of Canada | 7,806 | $63.0K | 0.00% | +7,806 | New |
| Tower Research Capital LLC (TRC) | 3,993 | $32.0K | 0.00% | −13,127−76.7% | Reduced |
| Wells Fargo & Company | 2,939 | $24.0K | 0.00% | −2,997−50.5% | Reduced |
| Quantbot Technologies LP | 2,128 | $17.0K | 0.00% | +2,128 | New |
| Blue Bell Private Wealth Management, LLC | 700 | $6.00K | 0.00% | 00.0% | Unchanged |
| American Portfolios Advisors | 500 | $4.04K | 0.00% | −665−57.1% | Reduced |