97 institutions reported holding $99.8M of MAINSTREET BANCS (MNSB) in SEC 13F filings for 2026-06-30. Largest institutional holders: BANC FUNDS CO LLC ($13.5M), BlackRock, Inc. ($10.0M), ALLIANCEBERNSTEIN L.P. ($9.3M), VANGUARD GROUP INC ($8.6M), WELLINGTON MANAGEMENT GROUP LLP ($8.3M). Source: SEC Form 13F.
来源:SEC 13F 申报文件 · 截至 2026-06-30