AMERICAN BUSINESS BANK (AMBZ) Institutional Ownership and Insiders Activity

AMERICAN BUSINESS BANK (AMBZ) is widely held by institutional investors, with 3 firms reporting positions valued at approximately $18.23M based on SEC Form 13F filings for the quarter ended June 30, 2026.

Banc Funds Co Llc is the largest disclosed holder, reporting approximately $16.67M in AMBZ holdings in its latest filing.

Institutional ownership remains highly concentrated, with Banc Funds Co Llc representing the majority of disclosed value.