MIR Mirion Technologies, Inc.: institutional ownership and insider trading
377 funds reported holding $5.57B of Mirion Technologies, Inc. in their latest 13F filings; in Q2 2026 funds net bought $212M, with 57 new positions and 64 funds selling out; over the last 12 months insiders bought $312K and sold $20.3M on the open market.
Famous investors holding MIR
- Lee Ainslie (Maverick Capital): $94.0M, 0.8% of the portfolio
- Ray Dalio (Bridgewater Associates): $6.44M, 0.0% of the portfolio
- Izzy Englander (Millennium Management): $17.8M, 0.0% of the portfolio
- D. E. Shaw (D. E. Shaw & Co.): $14.1M, 0.0% of the portfolio
- Ken Griffin (Citadel Advisors): $9.04M, 0.0% of the portfolio
- Two Sigma (Two Sigma Investments): $354K, 0.0% of the portfolio
Largest institutional holders of MIR
- VANGUARD GROUP INC — $711M
- BlackRock, Inc. (BLK) — $686M
- VANGUARD PORTFOLIO MANAGEMENT LLC — $326M
- T. Rowe Price Investment Management, Inc. — $256M
- VANGUARD CAPITAL MANAGEMENT LLC — $190M
- GOLDMAN SACHS GROUP INC (GS, GSCE, GS-PA, GS-PC, GS-PD) — $187M
- STATE STREET CORP (STT, STT-PG) — $178M
- Alyeska Investment Group, L.P. — $171M
- COOPERMAN LEON G — $150M
- FMR LLC — $131M
Recent MIR insider trades
- Sep 2, 2026: Schopfer Brian bought 20,000 shares ($312K)
- May 7, 2026: Moore Christopher A. sold 8,400 shares ($165K)
- Dec 10, 2025: Kingsley Lawrence D sold 350,000 shares ($8.66M)
- Nov 21, 2025: Kingsley Lawrence D sold 300,000 shares ($7.15M)
5%+ owners
- Vanguard Portfolio Management: 7.4% (Schedule 13G, filed Apr 29, 2026)
- Vanguard Capital Management: 5.0% (Schedule 13G, filed Apr 30, 2026)