RBB Bancorp
RBB · NASDAQ
$26.13+$0.68 (+2.67%)TodayMarket closed ·
Prev close $25.45
Who owns RBB
Largest institutional holders, from their latest 13F filings
The 10 largest institutions hold 32.0% of RBB’s shares.
- BlackRock Institutional Trust Company, N.A.6.7%
- Dimensional Fund Advisors, L.P.5.3%
- Vanguard Capital Management, LLC3.8%
- Kao (James W)3.3%
- Next 6 largest institutions12.9%
- All other shareholders68.0%
| Holder | Shares | % of shares |
|---|---|---|
| BlackRock Institutional Trust Company, N.A. | 1.13M | 6.67% |
| Dimensional Fund Advisors, L.P. | 902.29K | 5.31% |
| Vanguard Capital Management, LLC | 641.30K | 3.77% |
| Kao (James W) | 566.72K | 3.34% |
| American Century Investment Management, Inc. | 536.44K | 3.16% |
| Acadian Asset Management LLC | 400.45K | 2.36% |
| Geode Capital Management, L.L.C. | 370.55K | 2.18% |
| State Street Investment Management (US) | 337.62K | 1.99% |
| Hillsdale Investment Management Inc. | 327.17K | 1.93% |
| Kao (Christina) | 226.01K | 1.33% |
Largest mutual fund holders
| Holder | Shares | % of shares |
|---|---|---|
| Avantis US Small Cap Value ETF | 493.61K | 2.91% |
| Vanguard Total Stock Market Index Fund | 487.90K | 2.87% |
| iShares Russell 2000 ETF | 483.54K | 2.85% |
| Fidelity Small Cap Index Fund | 177.75K | 1.05% |
| DFA US Small Cap Value Portfolio | 166.92K | 0.98% |
Insider trades
Form 4 filings by officers, directors and large holders
Over the last 6 months, insiders sold $696.87K (6 trades) of RBB on the open market, with no buys.
| Insider | Type | Shares | Value |
|---|---|---|---|
| Hanson Diana | Option exercise | 767 | — |
| Hanson Diana | Tax withholding | 276 | $7.29K |
| Hanson Diana | Option exercise | 767 | — |
| LEE JOHNNY C | Option exercise | 5.50K | — |
| LEE JOHNNY C | Tax withholding | 1.97K | $52.78K |
| LEE JOHNNY C | Option exercise | 5.50K | — |
| Morris David Richard | Sale | 1.95K | $46.68K |
| Fan Gary | Sale | 2.37K | $56.87K |
| Kao James | Option exercise | 1.96K | — |
| Kao James | Award | 2.66K | — |
Short interest
Settled Sep 30, 2026
- Shares short
- 530.40K
- Days to cover
- 4.68
- % of shares outstanding
- 3.12%
- Average daily volume
- 113.34K
- Change since last report
- −10.0%
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