Who Owns MIRION TECHNOLOGIES INC (MIR.WS)? -- Institutional Holders (2026-03-31)

6 institutions reported holding $25.3M of MIRION TECHNOLOGIES INC (MIR.WS) in SEC 13F filings for 2026-03-31. Largest institutional holders: Troluce Capital Advisors LLC ($9.3M), SG Americas Securities, LLC ($6.8M), HRT FINANCIAL LP ($3.7M), SIMPLEX TRADING, LLC ($2.4M), IMC-Chicago, LLC ($1.6M). Source: SEC Form 13F.

RankInstitutionValueSharesChange
1Troluce Capital Advisors LLC$9.3M500,000New
2SG Americas Securities, LLC$6.8M984,000Hold
3HRT FINANCIAL LP$3.7M200,000New
4SIMPLEX TRADING, LLC$2.4M127,400Trimmed
5IMC-Chicago, LLC$1.6M85,500Added
6GROUP ONE TRADING LLC$1.5M82,300Trimmed

Source: SEC Form 13F filings · as of 2026-03-31