Mirion TechnologiesMIR
13F holders, Q2 2024 (June 30)At the end of Q2 2024, 155 institutions reported holding Mirion Technologies Inc. (MIR) in their 13F filings, up 12 from Q1 2024. 34 opened new positions and 22 sold out. The largest holders were Goldman Sachs Group Inc. ($407.9M), Vanguard Group Inc. ($235.1M) and T. Rowe Price Investment Management, Inc. ($214.6M). 7 famous investors held it, including Leon Cooperman (3.6% of Omega Advisors (Leon Cooperman)'s portfolio), Mario Gabelli (0.1% of GAMCO Investors's portfolio) and Lee Ainslie (0.0% of Maverick Capital's portfolio).
- Company
- Mirion Technologies Inc.
- CUSIP
- 60471A101
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q1 2024 → Q2 2024
| Institutions | Total Value | |
|---|---|---|
| New Positions | 34 | $79.5M |
| Exits | 22 | $45.9M |
All 13F filers, Q1 2024 → Q2 2024: 17,828,501 shares bought and 9,192,827 shares sold, net +8,635,674 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 155 holders
| Goldman Sachs Group Inc. | 0.08% | Add +9.1% | 37,977,847 | $407.9M |
| Vanguard Group Inc. | 0.00% | Add +2.7% | 21,885,547 | $235.1M |
| T. Rowe Price Investment Management, Inc. | 0.14% | Reduce -3.2% | 19,981,611 | $214.6M |
| BlackRock Inc. | 0.00% | Add +1.6% | 15,802,384 | $169.7M |
| Swedbank AB | 0.15% | Reduce -3.7% | 10,381,062 | $111.5M |
| Janus Henderson Group PLC | 0.05% | Reduce -7.6% | 8,685,267 | $93.3M |
| Omega Advisors (Leon Cooperman) | 3.63% | Add +6.5% | 8,000,000 | $85.9M |
| Alyeska Investment Group, L.P. | 0.43% | Add +0.7% | 6,975,034 | $74.9M |
| Dimensional Fund Advisors LP | 0.02% | Add +20.3% | 6,111,933 | $65.6M |
| Select Equity Group, L.P. | 0.25% | Reduce -3.0% | 5,783,888 | $62.1M |
| State Street Corp. | 0.00% | Add +3.5% | 5,227,080 | $56.1M |
| P2 Capital Partners, LLC | 6.02% | Reduce -14.8% | 4,701,000 | $50.5M |
| Geode Capital Management, LLC | 0.00% | Add +3.7% | 4,355,047 | $46.8M |
| American Century Companies Inc. | 0.03% | Add +61.9% | 3,942,571 | $42.3M |
| ACK Asset Management LLC | 4.37% | New | 3,297,580 | $35.4M |
| Adage Capital Partners Gp, L.L.C. | 0.06% | Add +6.7% | 3,245,674 | $34.9M |
| ArrowMark Colorado Holdings LLC | 0.35% | Reduce -1.4% | 2,758,726 | $29.6M |
| First Manhattan Co. Llc. | 0.06% | Reduce -2.0% | 1,724,391 | $18.5M |
| Corsair Capital Management, L.P. | 3.09% | Reduce -1.3% | 1,719,004 | $18.5M |
| Northern Trust Corp. | 0.00% | Reduce -3.1% | 1,656,848 | $17.8M |
| Charles Schwab Investment Management Inc. | 0.00% | Add +2.8% | 1,521,102 | $16.3M |
| Schwartz Investment Counsel Inc. | 0.60% | Add +1.3% | 1,519,300 | $16.3M |
| Lord, Abbett & Co. LLC | 0.05% | Reduce -6.1% | 1,442,038 | $15.5M |
| Chescapmanager LLC | 1.75% | Add +177.0% | 1,033,806 | $11.1M |
| Bornite Capital Management LP | 1.82% | New | 1,027,600 | $11.0M |
| Bank of New York Mellon Corp | 0.00% | Add +13.6% | 816,754 | $8.8M |
| Crestline Management, L.P. | 0.68% | No change | 810,000 | $8.7M |
| Nuveen Asset Management, LLC | 0.00% | Reduce -32.9% | 781,106 | $8.4M |
| GAMCO Investors | 0.09% | Reduce -4.3% | 735,645 | $7.9M |
| Gabelli Funds LLC | 0.05% | Reduce -6.3% | 661,688 | $7.1M |
| Morgan Stanley | 0.00% | Reduce -42.2% | 584,646 | $6.3M |
| Millennium Management | 0.00% | New | 533,534 | $5.7M |
| Nicholas Investment Partners, LP | 0.61% | New | 486,291 | $5.2M |
| Royce & Associates LP | 0.05% | Add +11.6% | 480,000 | $5.2M |
| Jane Street Group, LLC | 0.01% | Add +1841.3% | 435,304 | $4.7M |
| UBS Group AG | 0.00% | Reduce -26.5% | 424,922 | $4.6M |
| Lazard Asset Management LLC | 0.01% | Add +1624.2% | 392,264 | $4.2M |
| TD Asset Management Inc | 0.00% | Add +9.9% | 378,550 | $4.1M |
| FIL Ltd | 0.00% | New | 375,338 | $4.0M |
| Segall Bryant & Hamill, LLC | 0.07% | New | 353,546 | $3.8M |
| Essex Investment Management Co. LLC | 0.70% | Add +35.1% | 350,498 | $3.8M |
| JPMorgan Chase & Co. | 0.00% | Reduce -41.0% | 349,719 | $3.8M |
| Swiss National Bank | 0.00% | No change | 343,600 | $3.7M |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 0.00% | Add +51.7% | 329,215 | $3.5M |
| Rhumbline Advisers | 0.00% | Add +0.4% | 325,569 | $3.5M |
| Eagle Asset Management Inc. | 0.02% | New | 314,593 | $3.3M |
| First Trust Advisors LP | 0.00% | Reduce -36.8% | 286,943 | $3.1M |
| Invesco Ltd. | 0.00% | Reduce -2.4% | 248,560 | $2.7M |
| Rice Hall James & Associates, LLC | 0.14% | New | 221,284 | $2.4M |
| Aperture Investors, LLC | 0.35% | Add +43.8% | 220,094 | $2.4M |
| Alliancebernstein L.P. | 0.00% | Reduce -0.7% | 218,109 | $2.3M |
| Hollow Brook Wealth Management LLC | 0.76% | Add +4.3% | 207,606 | $2.2M |
| Russell Investments Group, Ltd. | 0.00% | Add +35.0% | 200,725 | $2.2M |
| M&T Bank Corp | 0.01% | Reduce -0.1% | 200,171 | $2.2M |
| Bank of America Corp. | 0.00% | Reduce -48.1% | 186,606 | $2.0M |
| Wells Fargo & Company | 0.00% | Add +130.7% | 183,786 | $2.0M |
| Legato Capital Management LLC | 0.26% | Add +51.5% | 181,968 | $2.0M |
| State of New Jersey Common Pension Fund D | 0.01% | New | 175,955 | $1.9M |
| Renaissance Technologies | 0.00% | Reduce -42.5% | 174,000 | $1.9M |
| California State Teachers Retirement System | 0.00% | Reduce -2.6% | 172,437 | $1.9M |
| Legal & General Group Plc | 0.00% | Add +0.5% | 168,184 | $1.8M |
| Alberta Investment Management Corp | 0.02% | New | 168,150 | $1.8M |
| Qube Research & Technologies Ltd | 0.00% | Add +97.7% | 160,104 | $1.7M |
| Maverick Capital | 0.03% | Add +291.9% | 159,811 | $1.7M |
| New York State Common Retirement Fund | 0.00% | Add +104.3% | 152,115 | $1.6M |
| Squarepoint Ops LLC | 0.01% | Add +456.7% | 152,070 | $1.6M |
| Deutsche Bank AG | 0.00% | Reduce -9.8% | 139,840 | $1.5M |
| Boston Partners | 0.00% | Add +76.3% | 127,149 | $1.4M |
| T. Rowe Price Associates Inc. | 0.00% | Add +5.7% | 117,874 | $1.3M |
| MetLife Investment Management, LLC | 0.01% | Add +10.3% | 117,259 | $1.3M |
| Manufacturers Life Insurance Company, The | 0.00% | Add +4.7% | 110,022 | $1.2M |
| Corebridge Financial, Inc. | 0.01% | — | 107,518 | $1.2M |
| Citigroup Inc. | 0.00% | Add +43.5% | 106,563 | $1.1M |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | 0.00% | — | 102,501 | $1.1M |
| Ardsley Advisory Partners LP | 0.19% | Reduce -20.0% | 100,000 | $1.1M |
| Barclays PLC | 0.00% | Reduce -58.7% | 72,392 | $777K |
| Jennison Associates LLC | 0.00% | New | 71,801 | $771K |
| Voya Investment Management LLC | 0.00% | Add +0.9% | 67,057 | $720K |
| Tudor Investment Corporation | 0.01% | New | 65,499 | $703K |
| State Board of Administration of Florida Retirement System | 0.00% | New | 57,210 | $614K |
| Oppenheimer & Co. Inc. | 0.01% | New | 55,665 | $598K |
| Arizona State Retirement System | 0.00% | Add +2.2% | 48,968 | $526K |
| Teacher Retirement System of Texas | 0.00% | Add +26.8% | 46,977 | $505K |
| Handelsbanken Fonder AB | 0.00% | No change | 46,831 | $503K |
| Allspring Global Investments Holdings, LLC | 0.00% | Reduce -11.8% | 43,669 | $469K |
| Campbell & CO Investment Adviser LLC | 0.03% | Reduce -20.0% | 34,170 | $367K |
| Tower Research Capital LLC (TRC) | 0.01% | Add +1620.4% | 33,633 | $361K |
| PNC Financial Services Group, Inc. | 0.00% | Add +22266.7% | 33,550 | $360K |
| Susquehanna International Group, LLP | 0.00% | New | 33,210 | $357K |
| Walleye Capital LLC | 0.00% | Reduce -52.3% | 30,271 | $325K |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 0.00% | No change | 28,105 | $302K |
| Victory Capital Management Inc. | 0.00% | Reduce -1.3% | 27,123 | $291K |
| ProShare Advisors LLC | 0.00% | Reduce -25.4% | 26,851 | $288K |
| Mariner, LLC | 0.00% | Add +18.9% | 26,506 | $285K |
| Nordwand Advisors, LLC | 0.12% | No change | 25,000 | $269K |
| Cowen and Company, LLC | 0.01% | New | 25,000 | $269K |
| Pictet Asset Management Holding SA | 0.00% | No change | 24,618 | $264K |
| Capstone Investment Advisors, LLC | 0.01% | Reduce -48.0% | 24,579 | $264K |
| Diametric Capital, LP | 0.14% | New | 23,327 | $251K |
| Kestra Advisory Services, LLC | 0.00% | Add +0.7% | 22,855 | $245K |
| Pathstone Holdings, LLC | 0.00% | New | 22,801 | $245K |
| HSBC Holdings PLC | 0.00% | Add +1.7% | 22,649 | $243K |
| PEAK6 Investments LLC | 0.01% | New | 21,210 | $228K |
| SG Americas Securities, LLC | 0.00% | Reduce -70.3% | 20,953 | $225K |
| Principal Financial Group Inc. | 0.00% | Reduce -10.8% | 20,559 | $221K |
| Royal Bank of Canada | 0.00% | Add +201.5% | 20,491 | $220K |
| Gotham Asset Management | 0.00% | Add +88.1% | 20,113 | $216K |
| Ameritas Investment Partners, Inc. | 0.01% | Reduce -5.6% | 19,580 | $210K |
| Algert Global LLC | 0.01% | New | 17,609 | $189K |
| Envestnet Asset Management Inc. | 0.00% | New | 17,272 | $186K |
| OMERS ADMINISTRATION Corp | 0.00% | New | 17,100 | $184K |
| Phoenix Financial Ltd. | 0.00% | No change | 16,547 | $178K |
| Prudential Financial Inc. | 0.00% | Add +4.2% | 14,785 | $159K |
| State of Wisconsin Investment Board | 0.00% | Add +3.1% | 14,265 | $153K |
| Truist Financial Corp. | 0.00% | Add +3.7% | 13,829 | $149K |
| Xponance LLC | 0.00% | Add +4.4% | 12,663 | $136K |
| Mackenzie Financial Corp. | 0.00% | No change | 12,617 | $136K |
| Exchange Traded Concepts, LLC | 0.00% | Add +472.1% | 11,917 | $128K |
| Creative Planning | 0.00% | New | 11,844 | $127K |
| LPL Financial LLC | 0.00% | Reduce -0.1% | 10,473 | $112K |
| Central Pacific Bank - Trust Division | 0.01% | No change | 7,600 | $82K |
| Amalgamated Bank | 0.00% | Add +3.1% | 7,038 | $76K |
| KBC Group NV | 0.00% | New | 5,748 | $62K |
| FMR LLC | 0.00% | Add +9.6% | 5,010 | $54K |
| NewEdge Advisors, LLC | 0.00% | Reduce -30.6% | 4,682 | $50K |
| State of Wyoming | 0.01% | Reduce -86.5% | 3,930 | $42K |
| Innealta Capital, LLC | 0.01% | New | 3,590 | $39K |
| Nisa Investment Advisors, LLC | 0.00% | Add +7.2% | 2,450 | $26K |
| Optiver Holding B.V. | 0.00% | New | 2,315 | $25K |
| Parallel Advisors, LLC | 0.00% | Reduce -5.0% | 1,531 | $16K |
| Osaic Holdings, Inc. | 0.00% | Add +2.6% | 1,310 | $14K |
| Comerica Bank | 0.00% | Add +44.0% | 959 | $10K |
| AlphaQuest LLC | 0.00% | Reduce -98.5% | 862 | $9K |
| Quadrant Capital Group LLC | 0.00% | No change | 773 | $8K |
| SYSTM Wealth Solutions LLC | 0.00% | New | 697 | $7K |
| Quarry LP | 0.00% | Reduce -15.3% | 603 | $6K |
| Zazove Associates LLC | 0.01% | New | 461 | $5K |
| CIBC Private Wealth Group LLC | 0.00% | No change | 400 | $4K |
| Arax Advisory Partners | 0.00% | New | 401 | $4K |
| Albion Financial Group | 0.00% | No change | 300 | $3K |
| Lindbrook Capital, LLC | 0.00% | Add +25.5% | 202 | $2K |
| US Bancorp \de | 0.00% | No change | 187 | $2K |
| Mather Group, Llc. | 0.00% | New | 150 | $2K |
| Blue Trust, Inc. | 0.00% | No change | 146 | $2K |
| GAMMA Investing LLC | 0.00% | New | 126 | $1K |
| Bell Investment Advisors, Inc | 0.00% | Reduce -24.3% | 103 | $1K |
| FNY Investment Advisers, LLC | 0.00% | No change | 110 | $1K |
| Cwm, LLC | 0.00% | Add +404.4% | 116 | $1K |
| Allworth Financial LP | 0.00% | Reduce -24.3% | 84 | $888 |
| Avior Wealth Management, LLC | 0.00% | New | 80 | $859 |
| JFS Wealth Advisors, LLC | 0.00% | No change | 47 | $505 |
| FinTrust Capital Advisors, LLC | 0.00% | No change | 25 | $269 |
| Smartleaf Asset Management LLC | 0.00% | New | 24 | $257 |
| SJS Investment Consulting Inc. | 0.00% | No change | 20 | $215 |
| Covestor Ltd | 0.00% | Reduce -7.1% | 13 | $0 |
"% of holder's portfolio" is MIR's weight in each manager's 13F, not the share of Mirion Technologies Inc. the manager owns.