531 institutions reported holding $8.71B of SIMPSON MFG INC (SSD) in SEC 13F filings for 2026-06-30. Largest institutional holders: BlackRock, Inc. ($862.1M), VANGUARD GROUP INC ($859.5M), FMR LLC ($768.2M), KAYNE ANDERSON RUDNICK INVESTMENT MANAGEMENT LLC ($747.0M), STATE STREET CORP ($273.9M). Source: SEC Form 13F.
Source: SEC Form 13F filings · as of 2026-06-30