Who Owns MIRION TECHNOLOGIES Class A (MIRM)? -- Institutional Holders (2026-06-30)

384 institutions reported holding $8.71B of MIRION TECHNOLOGIES Class A (MIRM) in SEC 13F filings for 2026-06-30. Largest institutional holders: Frazier Life Sciences Management, L.P. ($899.1M), Jupiter Topco LLC ($691.7M), VANGUARD GROUP INC ($590.0M), BlackRock, Inc. ($513.9M), FMR LLC ($442.3M). Source: SEC Form 13F.

RankInstitutionValueSharesChange
1Frazier Life Sciences Management, L.P.$899.1M7.7MHold
2Jupiter Topco LLC$691.7M5.9MNew
3VANGUARD GROUP INC$590.0M5.0MAdded
4BlackRock, Inc.$513.9M4.4MTrimmed
5FMR LLC$442.3M3.7MTrimmed
6PRICE T ROWE ASSOCIATES INC /MD/$310.9M2.7MAdded
7STATE STREET CORP$254.1M2.2MAdded
8WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC$164.5M1.4MAdded
9GEODE CAPITAL MANAGEMENT, LLC$163.2M1.4MAdded
10Invesco Ltd.$159.7M1.4MTrimmed
11WELLINGTON MANAGEMENT GROUP LLP$153.4M1.3MTrimmed
12EVENTIDE ASSET MANAGEMENT, LLC$146.2M1.2MTrimmed
13TANG CAPITAL MANAGEMENT LLC$144.7M1.2MHold
14Capital World Investors$135.0M1.2MAdded
15FRANKLIN RESOURCES INC$135.0M1.2MTrimmed
16NOVO HOLDINGS A/S$131.7M1.1MTrimmed
17TCG Crossover Management, LLC$124.3M1.1MHold
18BVF INC/IL$123.6M1.1MTrimmed
19Polar Capital Holdings Plc$99.0M845,524Added
20Rock Springs Capital Management LP$93.4M798,145Trimmed
21TENOR CAPITAL MANAGEMENT Co., L.P.$91.7M0Trimmed
22BNP PARIBAS FINANCIAL MARKETS$90.8M606,427Trimmed
23NOMURA ASSET MANAGEMENT INTERNATIONAL INC.$88.0M752,044Added
24AMERIPRISE FINANCIAL INC$85.1M726,694Added
25TWO SIGMA INVESTMENTS, LP$80.8M690,318Trimmed

来源：SEC 13F 申报文件 · 截至 2026-06-30