24 institutions reported holding $23.7M of CALAMOS (CPSA) in SEC 13F filings for 2026-06-30. Largest institutional holders: Calamos Advisors LLC ($9.6M), Calamos Wealth Management LLC ($2.7M), SUSQUEHANNA INTERNATIONAL GROUP, LLP ($2.1M), LPL Financial LLC ($1.4M), COMMONWEALTH EQUITY SERVICES, LLC ($1.3M). Source: SEC Form 13F.
Source: SEC Form 13F filings · as of 2026-06-30