459 institutions reported holding $5.30B of SPDR SERIES TRUST (SPTS) in SEC 13F filings for 2026-06-30. Largest institutional holders: Municipal Employees' Retirement System of Michigan ($658.1M), STATE STREET CORP ($403.2M), GLOBALT Investments LLC / GA ($290.9M), LPL Financial LLC ($268.3M), Proficio Capital Partners LLC ($202.8M). Source: SEC Form 13F.
Source: SEC Form 13F filings · as of 2026-06-30