168 institutions reported holding $443.7M of PROSHARES (SH) in SEC 13F filings for 2026-06-30. Largest institutional holders: Stack Financial Management, Inc ($91.7M), MORGAN STANLEY ($82.1M), JANE STREET GROUP, LLC ($52.8M), CITADEL ADVISORS LLC ($20.4M), SUSQUEHANNA INTERNATIONAL GROUP, LLP ($15.6M). Source: SEC Form 13F.
Source: SEC Form 13F filings · as of 2026-06-30