32 institutions reported holding $337.7M of PROSHARES (UXRP) in SEC 13F filings for 2026-06-30. Largest institutional holders: IMC-Chicago, LLC ($164.6M), SIMPLEX TRADING, LLC ($93.7M), GROUP ONE TRADING LLC ($38.4M), JPMORGAN CHASE & CO ($19.1M), HRT FINANCIAL LP ($18.7M). Source: SEC Form 13F.
Source: SEC Form 13F filings · as of 2026-06-30