Mirion Technologies Inc (MIR)
Who owns Mirion Technologies Inc (MIR)? This page shows the largest institutions and funds, the ownership structure and the latest insider transactions. 92.1% of the shares are freely tradable; institutional investors hold 110.4%.
Ownership Structure
Largest Shareholders
Institutions
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| BlackRock Inc | 15.20 | 37,857,697 | -0.9 | 03/31/2026 |
| Vanguard Portfolio Management, LLC | 7.19 | 17,905,722 | +0.0 | 03/31/2026 |
| T. Rowe Price Investment Management,Inc. | 5.87 | 14,627,795 | -16.1 | 03/31/2026 |
| Vanguard Capital Management, LLC | 4.22 | 10,505,195 | +0.0 | 03/31/2026 |
| State Street Corp | 3.79 | 9,430,017 | +2.5 | 03/31/2026 |
| Cooperman Leon G | 3.37 | 8,383,441 | +0.0 | 03/31/2026 |
| The Goldman Sachs Group Inc | 2.95 | 7,349,668 | +40.0 | 03/31/2026 |
| Congress Asset Management Company, LLP | 2.68 | 6,685,434 | +500.1 | 06/30/2026 |
Funds
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| iShares Core S&P Small-Cap ETF | 5.99 | 14,927,496 | +0.0 | 07/28/2026 |
| Vanguard Morn Total Stk Mkt Idx Investor | 2.96 | 7,374,180 | +0.0 | 06/30/2026 |
Largest reported positions according to regulatory filings; stake as a percentage of shares outstanding, change versus the previous filing. Source: fundamentals data.
Data as of: July 31, 2026 · Source: fundamental data & SEC filings (annual and quarterly reports, 10-K/10-Q)
Note: pure fact-based analysis, not investment advice and not a solicitation to buy or sell. All figures without guarantee.