119 institutions reported holding $38.1M of HORIZON (HRZN) in SEC 13F filings for 2026-06-30. Largest institutional holders: MORGAN STANLEY ($5.0M), Bulldog Investors, LLP ($3.1M), MARSHALL WACE, LLP ($2.8M), Caprock Group, LLC ($2.2M), Green Alpha Advisors, LLC ($2.0M). Source: SEC Form 13F.
Source: SEC Form 13F filings · as of 2026-06-30