43 institutions reported holding $107.0M of SPDR SER TR (MMTM) in SEC 13F filings for 2026-06-30. Largest institutional holders: LPL Financial LLC ($31.8M), Baltimore-Washington Financial Advisors, Inc. ($25.1M), Steward Partners Investment Advisory, LLC ($8.2M), Professional Financial Advisors, LLC ($6.7M), MORGAN STANLEY ($6.4M). Source: SEC Form 13F.
Source: SEC Form 13F filings · as of 2026-06-30