Companies / Mirion Technologies, Inc.
Mirion Technologies, Inc.
NYSE: MIRCIK 1809987ATLANTA, GA
Financials · FY2025
Ownership
249.0M shares outstanding · as of Jul 23, 2026
Ownership
Share classes
| Class A | 97.69% | |
| Class B | 2.31% |
| Insiders | 0.72% | 1,791,992 |
| 10%+ / strategic | 6.07% | 15,112,855 |
| Institutions | 98.31% | 244,826,835 |
| Public float | 0.00% | 0 |
Reported holdings exceed shares outstanding — public float shown as 0; some positions may overlap or lag.
% of common shares outstanding (exact, from the latest cover-page filing). Institutions are quarterly 13F snapshots; insiders reflect current officers & directors.
Insiders 9
View all →| Insider | % of shares | Shares |
|---|---|---|
Schopfer BrianChief Financial Officer | 0.37% | 920,667 |
Logan Thomas DCEOChief Executive Officer · Director | 0.16% | 386,674 |
Eloy LoicNuclear & Safety President | 0.05% | 113,347 |
Lee EmmanuelleChief Legal Officer | 0.03% | 87,111 |
Kuo John WDirector | 0.03% | 80,119 |
Kingsley Lawrence DDirector | 0.03% | 72,525 |
Cascella RobertDirector | 0.02% | 60,801 |
Ulrich AlisonChief Human Resources Officer | 0.02% | 38,288 |
Moore Christopher A.Chief Accounting Officer (PAO) | 0.01% | 32,460 |
Institutional holders 373
View all →| Holder | Value | % of shares |
|---|---|---|
| $710.71M | 12.19% | |
| $686.04M | 15.36% | |
| $197.06M | 3.38% | |
| $196.34M | 3.37% | |
| $177.93M | 3.98% | |
| $122.92M | 2.11% | |
| $113.65M | 1.95% | |
| $110.45M | 2.39% | |
| $96.09M | 1.65% | |
| $94.94M | 2.05% |
Activity
Jun 30, 2026View all →
InsidersInstitutions
Who's accumulating and trimming this stock (13F).| Date | Actor | Action | Security | Value | Shares Δ | Position after | Impact |
|---|---|---|---|---|---|---|---|
| Q1 2026 as of | Millennium Management LLC 13F manager | New | Common stock | $94.94M | +5.1M | 5,106,801 2.05% of shares | high |
| Q3 2025 as of | Corsair Capital Management, L.P. 13F manager | Trim | Common stock | $-46.05M | -2.0M -65.43% | 1,045,797 0.42% of shares | medium |
| Q1 2026 as of | AllianceBernstein L.P. 13F manager | Add | Common stock | $31.22M | +1.3M +415.89% | 1,653,429 0.66% of shares | medium |
| Q1 2026 as of | Vaughan Nelson Investment Management, L.P. 13F manager | Exit | Common stock | $-31.21M | -1.3M -100.00% | 0 | medium |
| Q1 2026 as of | Bank of New York Mellon Corp/The 13F manager | Add | Common stock | $27.14M | +1.5M +47.44% | 4,536,732 1.82% of shares | medium |
| Q1 2026 as of | Arrowstreet Capital, Limited Partnership 13F manager | Exit | Common stock | $-25.09M | -1.1M -100.00% | 0 | medium |
| Q4 2025 as of | Davidson Kempner Capital Management LP 13F manager | New | Common stock | $21.75M | +929K | 928,513 0.37% of shares | medium |
| Q2 2026 as of | State Street Corporation 13F manager | Add | Common stock | $13.00M | +725K +7.88% | 9,923,609 3.98% of shares | medium |
5%+ ownership events
Schedule 13D / 13G
| Filer | Stance | % of class |
|---|---|---|
| Vanguard Group Inc | Passive13G/A | — |
| Kuwait Investment Authority, acting for and on behalf of the Government of the State of Kuwait (KIA) | Passive13G/A | — |
| T. Rowe Price Investment Management, Inc. | Passive13G/A | — |
Securities
via CUSIP / OpenFIGI
| Symbol | Type | CUSIP |
|---|---|---|
| MIR | — | 60471A101 |