234 institutions reported holding $187.8M of PROSHARES (BITO) in SEC 13F filings for 2026-06-30. Largest institutional holders: Acorns Advisers, LLC ($73.3M), SUSQUEHANNA INTERNATIONAL GROUP, LLP ($17.2M), CITADEL ADVISORS LLC ($10.9M), JANE STREET GROUP, LLC ($10.4M), IMC-Chicago, LLC ($10.2M). Source: SEC Form 13F.
Source: SEC Form 13F filings · as of 2026-06-30