36 institutions reported holding $27.0M of CALAMOS (CPSJ) in SEC 13F filings for 2026-06-30. Largest institutional holders: Calamos Advisors LLC ($9.6M), SUSQUEHANNA INTERNATIONAL GROUP, LLP ($2.6M), OSAIC HOLDINGS, INC. ($1.9M), Calamos Wealth Management LLC ($1.7M), Cetera Investment Advisers ($1.5M). Source: SEC Form 13F.
Source: SEC Form 13F filings · as of 2026-06-30