AMBZ · Insider trading · 13F holders · Congress trades
American Business Bank (AMBZ)
Who is buying and selling AMBZ: company insiders on SEC Form 4, hedge funds and superinvestors on Form 13F, and members of Congress under the STOCK Act. Every figure links to the filing or page it comes from.
- 13F filers holding
- 1
- Insider buys, 90 days
- $0
- Insider sales, 90 days
- $0
- Congress trades, 12 months
- 0
AMBZ at a glance
- No open-market insider purchases or sales of AMBZ were filed in the last 90 days.
- 1 13F filer hold AMBZ among their 50 largest positions, worth $16.7M combined. The biggest bets by portfolio weight are Banc Funds Co LLC (2.8%).
- No member of Congress has disclosed a trade in AMBZ.
AMBZ insider trading
No open-market insider purchases or sales of AMBZ were filed in the last 90 days.
Who owns AMBZ? Hedge funds and superinvestors
1 13F filer hold AMBZ among their 50 largest positions, worth $16.7M combined. The biggest bets by portfolio weight are Banc Funds Co LLC (2.8%).
| Manager | % of portfolio | Value | Shares | Last quarter | 13F |
|---|---|---|---|---|---|
| Banc Funds Co LLCAsset manager | 2.8% | $16.7M | 229,173 | -6.8% shares | Q2 2026 |
Each manager counts with its latest 13F (Q2 2026: 1). Screen AMBZ in the grand portfolio →
AMBZ stock trades by members of Congress
No member of Congress has disclosed a trade in AMBZ.
AMBZ questions and answers
Are insiders buying AMBZ stock?
No open-market insider purchases or sales of AMBZ were filed in the last 90 days.
Which hedge funds own AMBZ?
1 13F filer hold AMBZ among their 50 largest positions, worth $16.7M combined. The biggest bets by portfolio weight are Banc Funds Co LLC (2.8%).
Has Congress traded AMBZ?
No member of Congress has disclosed a trade in AMBZ.
Who is the largest holder of AMBZ?
Among 13F filers, Banc Funds Co LLC reports the largest AMBZ position, $16.7M (229,173 shares) in its Q2 2026 13F. The biggest bet by portfolio weight is Banc Funds Co LLC's: 2.8% of its portfolio.
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