46 institutions reported holding $44.9M of OPTICAL CABLE CORP (OCC) in SEC 13F filings for 2026-06-30. Largest institutional holders: GENDELL JEFFREY L ($8.2M), VANGUARD GROUP INC ($6.3M), JANE STREET GROUP, LLC ($6.1M), DIMENSIONAL FUND ADVISORS LP ($3.0M), BlackRock, Inc. ($2.8M). Source: SEC Form 13F.
Source: SEC Form 13F filings · as of 2026-06-30