DOSSIER · 13F Holders · Q2 2026
AMBZ

American Business Bank

3 institutions still hold American Business Bank as of Q2 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP 02475L105·3 13F holders·last filed Jun 30, 2026
Market cap
13F value held
$18M
visible holders
Holders
3
filers reporting
Concentration
91.49%
BANC FUNDS CO LLC #1
top holder share
AI Holders Summary · Q2 2026

3 institutions reported AMBZ in Q2 2026. BANC FUNDS CO LLC leads at 91.5% of the visible book.

Top holders

Sorted by position value. Source: SEC EDGAR 13F-HR filings.

#HolderValueShares% port.Quarter
01
BANC FUNDS CO LLC
CIK 0001029311
$17M229K2.75%Q2 2026
02
FCA CORP /TX
CIK 0001166402
$878K12K0.22%Q2 2026
03
Farmers & Merchants Trust Co of Long Beach
CIK 0001737090
$673K9K0.14%Q2 2026