154 institutions reported holding $513.6M of FREQUENCY ELECTRS INC (FEIM) in SEC 13F filings for 2026-06-30. Largest institutional holders: Edenbrook Capital, LLC ($124.3M), Driehaus Capital Management LLC ($46.9M), BlackRock, Inc. ($34.3M), VANGUARD GROUP INC ($28.4M), NEXT CENTURY GROWTH INVESTORS LLC ($15.3M). Source: SEC Form 13F.
Source: SEC Form 13F filings · as of 2026-06-30