Who Owns COMPOSECURE INC (CMPOW)? -- Institutional Holders (2026-03-31)

2 institutions reported holding $514,710 of COMPOSECURE INC (CMPOW) in SEC 13F filings for 2026-03-31. Largest institutional holders: SIMPLEX TRADING, LLC ($511,290), GROUP ONE TRADING LLC ($3,420). Source: SEC Form 13F.

RankInstitutionValueSharesChange
1SIMPLEX TRADING, LLC$511,29029,900Trimmed
2GROUP ONE TRADING LLC$3,420200Trimmed

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