MIRION TECHNOLOGIES INC COM CL A is a security (CUSIP 60471A101) tracked across SEC portfolio filings. 364 institutional managers reported $4.6B on Form 13F as of 2026-06-30; 48 registered fund positions totaling $362.3M via N-PORT as of 2026-05-31.
Showing 15 of 364 managers by value.
| Manager | Location | Value | Shares |
|---|---|---|---|
| VANGUARD GROUP INC | Valley Forge, PA | $710.7M | 30,346,328 |
| BlackRock, Inc. | New York, NY | $703.8M | 37,857,697 |
| STATE STREET CORP | BOSTON, MA | $175.3M | 9,430,017 |
| COOPERMAN LEON G | BOCA RATON, FL | $155.8M | 8,383,441 |
| GOLDMAN SACHS GROUP INC | NEW YORK, NY | $136.6M | 7,349,668 |
| FMR LLC | BOSTON, MA | $121.8M | 6,551,692 |
| CONGRESS ASSET MANAGEMENT CO /MA | BOSTON, MA | $119.9M | 6,685,434 |
| GEODE CAPITAL MANAGEMENT, LLC | BOSTON, MA | $110.4M | 5,940,175 |
| MILLENNIUM MANAGEMENT LLC | NEW YORK, NY | $100.8M | 5,106,801 |
| DIMENSIONAL FUND ADVISORS LP | AUSTIN, TX | $87.2M | 4,694,288 |
| Bank of New York Mellon Corp | NEW YORK, NY | $84.3M | 4,536,732 |
| JANUS HENDERSON GROUP PLC | LONDON, X0 | $75.2M | 4,043,089 |
| UBS Group AG | Zurich, V8 | $70.0M | 3,766,842 |
| AMERICAN CENTURY COMPANIES INC | KANSAS CITY, MO | $50.8M | 2,732,762 |
| Alyeska Investment Group, L.P. | CHICAGO, IL | $50.2M | 2,701,580 |
Showing 15 of 48 fund positions by value.
| Fund | Registrant | Value | % of fund |
|---|---|---|---|
| T. Rowe Price Small-Cap Stock Fund, Inc. | T. ROWE PRICE SMALL-CAP STOCK FUND, INC. | $85.3M | 105.73% |
| VANGUARD EXTENDED MARKET INDEX FUND | VANGUARD INDEX FUNDS | $50.8M | 6.23% |
| T. Rowe Price Institutional Small-Cap Stock Fund | T. Rowe Price Equity Funds, Inc. | $46.1M | 106.50% |
| T. Rowe Price Small-Cap Value Fund, Inc. | T. ROWE PRICE SMALL-CAP VALUE FUND, INC. | $40.8M | 44.24% |
| VANGUARD RUSSELL 2000 INDEX FUND | VANGUARD SCOTTSDALE FUNDS | $22.5M | 12.85% |
| Meridian Contrarian Fund | Meridian Fund Inc | $17.1M | 290.76% |
| VANGUARD EXPLORER FUND | VANGUARD EXPLORER FUND | $13.2M | 6.08% |
| ALGER FOCUS EQUITY FUND | ALGER INSTITUTIONAL FUNDS | $12.3M | 20.18% |
| Emerald Growth Fund | FINANCIAL INVESTORS TRUST | $10.5M | 74.73% |
| MFS New Discovery Value Fund | MFS SERIES TRUST XIII | $9.6M | 38.61% |
| The Gabelli Asset Fund | Gabelli Asset Fund | $8.3M | 52.89% |
| Master Small Cap Index Series | Quantitative Master Series LLC | $7.2M | 15.00% |
| U.S. MICRO CAP PORTFOLIO | DFA INVESTMENT DIMENSIONS GROUP INC | $4.6M | 6.12% |
| Gabelli Equity Trust Inc | Gabelli Equity Trust Inc | $4.3M | 24.89% |
| ROYCE SMALL-CAP TRUST, INC. | ROYCE SMALL-CAP TRUST, INC. | $4.2M | 18.99% |