30 institutions reported holding $73.2M of PARNASSUS (PRCS) in SEC 13F filings for 2026-06-30. Largest institutional holders: COMMONWEALTH EQUITY SERVICES, LLC ($18.0M), BROWN BROTHERS HARRIMAN & CO ($14.6M), Cambridge Investment Research Advisors, Inc. ($8.7M), Allegheny Financial Group ($5.8M), Cerity Partners LLC ($5.0M). Source: SEC Form 13F.
Source: SEC Form 13F filings · as of 2026-06-30