427 institutions reported holding $2.91B of W D 40 CO (WDFC) in SEC 13F filings for 2026-06-30. Largest institutional holders: BlackRock, Inc. ($505.7M), VANGUARD GROUP INC ($438.4M), KAYNE ANDERSON RUDNICK INVESTMENT MANAGEMENT LLC ($153.3M), STATE STREET CORP ($133.8M), GEODE CAPITAL MANAGEMENT, LLC ($107.6M). Source: SEC Form 13F.
Source: SEC Form 13F filings · as of 2026-06-30