Mirion TechnologiesMIR
13F holders, Q1 2024 (March 31)143holders
6famous investors
$11.37avg. 13F price*
At the end of Q1 2024, 143 institutions reported holding Mirion Technologies Inc. (MIR) in their 13F filings. The largest holders were Goldman Sachs Group Inc. ($395.7M), Vanguard Group Inc. ($242.3M) and T. Rowe Price Investment Management, Inc. ($234.7M). 6 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
| Institutions | Total Value | |
|---|---|---|
| New Positions | 30 | $41.7M |
| Exits | 14 | $107.7M |
Ownership 143 holders
| Goldman Sachs Group Inc. | 0.08% | Reduce 0.0% | 34,806,291 | $395.7M |
| Vanguard Group Inc. | 0.00% | Add +0.8% | 21,308,031 | $242.3M |
| T. Rowe Price Investment Management, Inc. | 0.14% | Add +3.9% | 20,641,440 | $234.7M |
| BlackRock Inc. | 0.00% | Reduce -2.5% | 15,555,495 | $176.9M |
| Swedbank AB | 0.17% | Add +3.9% | 10,778,000 | $122.5M |
| Janus Henderson Group PLC | 0.06% | Add +0.0% | 9,403,114 | $106.9M |
| Omega Advisors (Leon Cooperman) | 3.56% | No change | 7,513,400 | $85.4M |
| Alyeska Investment Group, L.P. | 0.49% | Add +34.2% | 6,923,799 | $78.7M |
| Select Equity Group, L.P. | 0.24% | Add +168.5% | 5,960,533 | $67.8M |
| P2 Capital Partners, LLC | 7.42% | Reduce -5.6% | 5,520,000 | $62.8M |
| Dimensional Fund Advisors LP | 0.02% | Add +35.9% | 5,079,967 | $57.8M |
| State Street Corp. | 0.00% | Add +0.7% | 5,050,536 | $57.4M |
| Geode Capital Management, LLC | 0.00% | Add +2.8% | 4,200,607 | $47.8M |
| Adage Capital Partners Gp, L.L.C. | 0.07% | Add +223.2% | 3,040,799 | $34.6M |
| ArrowMark Colorado Holdings LLC | 0.36% | Reduce -22.8% | 2,798,992 | $31.8M |
| American Century Companies Inc. | 0.02% | Add +22.1% | 2,435,470 | $27.7M |
| First Manhattan Co. Llc. | 0.06% | Reduce -1.6% | 1,760,374 | $20.0M |
| Corsair Capital Management, L.P. | 5.56% | Reduce -25.4% | 1,742,217 | $19.8M |
| Northern Trust Corp. | 0.00% | Reduce -2.2% | 1,710,413 | $19.4M |
| Lord, Abbett & Co. LLC | 0.06% | Reduce -7.3% | 1,536,211 | $17.5M |
| Schwartz Investment Counsel Inc. | 0.62% | Add +0.6% | 1,499,300 | $17.0M |
| Charles Schwab Investment Management Inc. | 0.00% | Add +1.2% | 1,480,154 | $16.8M |
| Nuveen Asset Management, LLC | 0.00% | Reduce -21.7% | 1,163,309 | $13.2M |
| Morgan Stanley | 0.00% | Reduce -36.6% | 1,011,842 | $11.5M |
| Crestline Management, L.P. | 0.87% | Reduce -10.0% | 810,000 | $9.2M |
| Cibc World Market Inc. | 0.02% | New | 805,000 | $9.2M |
| GAMCO Investors | 0.09% | Reduce -1.4% | 768,645 | $8.7M |
| Arrowstreet Capital, Limited Partnership | 0.01% | New | 736,950 | $8.4M |
| Bank of New York Mellon Corp | 0.00% | Reduce -7.0% | 718,867 | $8.2M |
| Gabelli Funds LLC | 0.06% | Reduce -1.4% | 706,040 | $8.0M |
| Carlson Capital, L.P. | 0.57% | Add +14.7% | 618,478 | $7.0M |
| JPMorgan Chase & Co. | 0.00% | Add +75.3% | 592,714 | $6.7M |
| UBS Group AG | 0.00% | Add +56.5% | 578,000 | $6.6M |
| Cibc World Markets Corp. | 0.04% | Reduce -46.5% | 575,000 | $6.5M |
| Verition Fund Management LLC | 0.07% | New | 548,054 | $6.2M |
| First Trust Advisors LP | 0.01% | Add +75.5% | 454,069 | $5.2M |
| Royce & Associates LP | 0.04% | Add +91.1% | 430,000 | $4.9M |
| Chescapmanager LLC | 0.72% | New | 373,161 | $4.2M |
| Bank of America Corp. | 0.00% | Add +191.1% | 359,503 | $4.1M |
| TD Asset Management Inc | 0.00% | Add +2.5% | 344,452 | $3.9M |
| Swiss National Bank | 0.00% | No change | 343,600 | $3.9M |
| Rhumbline Advisers | 0.00% | Add +0.1% | 324,229 | $3.7M |
| Renaissance Technologies | 0.01% | New | 302,500 | $3.4M |
| Essex Investment Management Co. LLC | 0.58% | Add +0.6% | 259,500 | $3.0M |
| Invesco Ltd. | 0.00% | Reduce -9.6% | 254,534 | $2.9M |
| Alliancebernstein L.P. | 0.00% | Reduce -0.0% | 219,663 | $2.5M |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 0.00% | Add +8.6% | 217,057 | $2.5M |
| M&T Bank Corp | 0.01% | Reduce -18.7% | 200,281 | $2.3M |
| Hollow Brook Wealth Management LLC | 0.84% | Add +7.0% | 198,985 | $2.3M |
| Trexquant Investment LP | 0.04% | Add +429.4% | 186,427 | $2.1M |
| California State Teachers Retirement System | 0.00% | Reduce -6.0% | 176,996 | $2.0M |
| Barclays PLC | 0.00% | Reduce -43.4% | 175,398 | $2.0M |
| Legal & General Group Plc | 0.00% | Add +0.7% | 167,363 | $1.9M |
| Credit Suisse AG/ | 0.00% | Add +12.0% | 166,542 | $1.9M |
| Deutsche Bank AG | 0.00% | Add +67.9% | 155,056 | $1.8M |
| Aperture Investors, LLC | 0.22% | New | 153,105 | $1.7M |
| Russell Investments Group, Ltd. | 0.00% | Reduce -21.7% | 148,666 | $1.7M |
| Ardsley Advisory Partners LP | 0.20% | Reduce -16.7% | 125,000 | $1.4M |
| Legato Capital Management LLC | 0.16% | No change | 120,080 | $1.4M |
| T. Rowe Price Associates Inc. | 0.00% | Add +7.0% | 111,519 | $1.3M |
| MetLife Investment Management, LLC | 0.01% | No change | 106,362 | $1.2M |
| Jackson Creek Investment Advisors LLC | 0.43% | New | 106,297 | $1.2M |
| Manufacturers Life Insurance Company, The | 0.00% | Add +9.9% | 105,065 | $1.2M |
| American International Group, Inc. | 0.00% | Reduce -0.8% | 98,796 | $1.1M |
| Qube Research & Technologies Ltd | 0.00% | New | 80,973 | $921K |
| Wells Fargo & Company | 0.00% | Add +10.7% | 79,683 | $906K |
| New York State Common Retirement Fund | 0.00% | Reduce -11.7% | 74,450 | $846K |
| Citigroup Inc. | 0.00% | Reduce -83.3% | 74,254 | $844K |
| Boston Partners | 0.00% | Add +121.6% | 72,135 | $820K |
| SG Americas Securities, LLC | 0.00% | Add +1.3% | 70,476 | $801K |
| Voya Investment Management LLC | 0.00% | Reduce -18.3% | 66,449 | $756K |
| Walleye Capital LLC | 0.01% | New | 63,400 | $721K |
| Citadel Advisors | 0.00% | Add +19.9% | 60,340 | $686K |
| AlphaQuest LLC | 0.12% | New | 59,333 | $675K |
| Marshall Wace, LLP | 0.00% | Add +80.7% | 53,610 | $610K |
| Allspring Global Investments Holdings, LLC | 0.00% | New | 49,509 | $563K |
| Arizona State Retirement System | 0.00% | Reduce -1.7% | 47,923 | $545K |
| Capstone Investment Advisors, LLC | 0.02% | New | 47,301 | $538K |
| Handelsbanken Fonder AB | 0.00% | No change | 46,831 | $532K |
| Campbell & CO Investment Adviser LLC | 0.04% | New | 42,726 | $486K |
| Maverick Capital | 0.01% | New | 40,774 | $464K |
| Mirae Asset Global Investments Co., Ltd. | 0.00% | Reduce -37.5% | 56,698 | $456K |
| Teacher Retirement System of Texas | 0.00% | New | 37,046 | $421K |
| HRT Financial LP | 0.00% | Reduce -10.1% | 36,451 | $414K |
| ProShare Advisors LLC | 0.00% | Add +8.5% | 36,017 | $410K |
| Fox Run Management, L.L.C. | 0.08% | New | 31,159 | $354K |
| Wolverine Asset Management LLC | 0.03% | New | 30,000 | $341K |
| State of Wyoming | 0.06% | New | 29,064 | $330K |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 0.00% | Reduce -12.3% | 28,105 | $320K |
| Victory Capital Management Inc. | 0.00% | Reduce -1.4% | 27,471 | $312K |
| Squarepoint Ops LLC | 0.00% | New | 27,318 | $311K |
| Nordwand Advisors, LLC | 0.11% | No change | 25,000 | $284K |
| Pictet Asset Management Holding SA | 0.00% | No change | 24,618 | $280K |
| Principal Financial Group Inc. | 0.00% | Reduce -8.8% | 23,036 | $262K |
| Lazard Asset Management LLC | 0.00% | Add +19.8% | 22,751 | $258K |
| Kestra Advisory Services, LLC | 0.00% | Add +23.0% | 22,689 | $258K |
| Jane Street Group, LLC | 0.00% | Reduce -88.4% | 22,423 | $255K |
| Mariner, LLC | 0.00% | Add +37.1% | 22,284 | $253K |
| HSBC Holdings PLC | 0.00% | New | 22,274 | $253K |
| Walleye Trading LLC | 0.00% | New | 20,970 | $238K |
"% of holder's portfolio" is MIR's weight in each manager's 13F, not the share of Mirion Technologies Inc. the manager owns.