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23 /100
LOW RISK
Score updated Oct 13, 2026

RBB — RBB Bancorp Dilution Risk Tracker

Track RBB dilution risk with DilutionWatch's stock tracker. DilutionScore™ measures dilution risk across 5 factors — lower scores indicate higher risk of share dilution.

⚠️ Not financial advice. Do your own research before making any investment decisions.

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As of October 13, 2026, RBB Bancorp (RBB) has a DilutionWatch DilutionScore of 23/100, rated LOW dilution risk. RBB Bancorp has a market capitalization of $434.57M, 16.92M shares outstanding, 119 institutional holders tracked.

This page includes automatically generated factual summaries from DilutionWatch data. It is not financial advice, not investment research, and not a recommendation. Do your own research. Read the full disclaimer and terms of service.

Score Breakdown

📋 Offering Ability
38
💰Cash Runway—
📊 Float Risk
10
⚠️ Warrant Exposure
40
🔄 Convertible Debt
40

Dilution Forecast

☀️
Clear
No significant dilution signals
model est. 0%
No significant dilution signals detected for RBB.
🔔 Track RBB — Get forecast alerts →

Market Data

Market Cap$434.57M
Shares Outstanding16.92M
Float14.31M
Cash$283.01M
Debt$120.00M
Short InterestN/A

Source-Backed Evidence Depth

This public preview uses stored DilutionWatch fields and linked SEC/market records only. Missing values are not estimated.

FieldCurrent ValueBasis
DilutionScore23/100DilutionWatch score record
Shares Outstanding16.92MVerified float table or market cache
Public Float14.31MVerified float table or market cache
Market Cap$434.57MMarket data cache
Cash RunwayNot applicable / unavailableDilutionWatch score inputs
Shelf CapacityNone in current score inputsSEC-derived dilution fields
ATM CapacityNone in current score inputsSEC-derived dilution fields
Outstanding WarrantsNone in current score inputsSEC-derived dilution fields

Recent source-backed SEC insight records available on this page: 5.

Recent SEC source mix: 4 5.

The page does not infer future share issuance, financing probability, cash needs, management intent, or price impact when source fields are absent.

Institutional Holdings

QoQ: ↑ 17.0% shares (2026Q1 vs prior)
119 institutional holders · 10.58M shares
#1 FJ Capital Management LLC 1.51M shares
#2 VANGUARD CAPITAL MANAGEMENT LLC 1.32M shares
#3 BlackRock, Inc. 1.14M shares
+ 17 more holders Sign up free to view →

Institutional holder totals are aggregated from ownership filings and may use a different share basis or reporting date than public float. They are not a reconciliation against tradeable float.

Short Interest

Short Interest530.4K
Days to Cover4.7
% of Float3.7%
FINRA data as of Sep 30, 2026

Recent SEC Activity

4 INSIDER TRANSACTION 2026-03-24
4 INSIDER TRANSACTION 2026-03-24
4 INSIDER TRANSACTION 2026-03-24
4 INSIDER TRANSACTION 2026-03-24
4 INSIDER TRANSACTION 2026-03-24
Full SEC filing analysis available with free account →

Recent News

No recent news available for this ticker.

Factual RBB Dilution Snapshot

RBB Bancorp (RBB) has a DilutionScore of 23/100, rated Low dilution risk. Score date: October 13, 2026.

This automatically generated snapshot is assembled from stored DilutionWatch data fields and may contain data-source errors or omissions. It is not financial advice, not investment research, and not a recommendation. Do your own research and review the full disclaimer and terms of service.

DilutionScore History — Last 90 Days

RBB's DilutionScore has held steady at 23/100 (Low risk) for 89 consecutive days across the tracked period.

Period Score Risk Level Duration
Jul 16 – Oct 13, 202623/100LOW89 days

Score recalculated daily from SEC filings and market data. Sign up free for real-time score change alerts.

Share Dilution History

RBB shares outstanding have decreased 0.7% from 17.06M (Mar 2026) to 16.94M (May 2026). Each increase represents potential dilution to existing shareholders.

Date Shares Outstanding Public Float Change
May 30, 202616.94M14.31M▼ 0.06%
May 29, 202616.94M14.32M▼ 0.10%
May 27, 202616.94M14.33M▼ 0.01%
May 18, 202616.94M14.34M▼ 0.05%
May 16, 202616.94M14.34M▼ 0.15%
May 13, 202616.94M14.36M▼ 0.81%
May 09, 202617.07M14.48M▲ 0.02%
Apr 26, 202617.07M14.48M▲ 0.03%
Apr 22, 202617.07M14.47M▲ 0.05%
Apr 11, 202617.07M14.47M▼ 0.05%
Mar 12, 202617.06M14.47M▲ 0.05%

Share counts sourced from verified regulatory filings. Increases indicate dilution events.

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