394 institutions reported holding $3.27B of FASTLY INC (FSLY) in SEC 13F filings for 2026-06-30. Largest institutional holders: VANGUARD GROUP INC ($319.2M), BlackRock, Inc. ($279.5M), FMR LLC ($218.3M), Linden Advisors LP ($152.0M), Capital World Investors ($151.1M). Source: SEC Form 13F.
Source: SEC Form 13F filings · as of 2026-06-30