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Who owns RBB Bancorp (RBB) stock

133 funds reported RBB Bancorp (RBB) shares in their latest 13F filings, worth $268M in all. The largest holder is BlackRock ($35.4M). Last quarter 89 funds added to their stakes and 22 cut them.

Largest holders of RBB (13F)Largest holders of RBB (13F)BlackRock$35.4MDimensional Fund Advisors LP$24.7MVanguard Group$17.8MVanguard Capital Management LLC$17.6MAmerican Century Companies$14.7MAcadian Asset Management LLC$11.0MGeode Capital Management, LLC$10.2MState Street$9.3MHillsdale Investment Management$9.0MArrowstreet Capital, Limited Part…$6.1M

Largest holders (13F)

FundSharesValueChangeQuarter
BlackRock1,292,135$35.4Mincrease2026-06-30
Dimensional Fund Advisors LP902,290$24.7Mincrease2026-06-30
Vanguard Group862,098$17.8Mdecrease2025-12-31
Vanguard Capital Management LLC641,304$17.6Mdecrease2026-06-30
American Century Companies536,436$14.7Mincrease2026-06-30
Acadian Asset Management LLC400,451$11.0Mincrease2026-06-30
Geode Capital Management, LLC370,553$10.2Mincrease2026-06-30
State Street337,621$9.3Mincrease2026-06-30
Hillsdale Investment Management327,169$9.0Mincrease2026-06-30
Arrowstreet Capital, Limited Partnership223,877$6.1Mincrease2026-06-30
Morgan Stanley206,553$5.7Mincrease2026-06-30
Qube Research & Technologies195,579$5.4Mincrease2026-06-30
Hotchkis & Wiley Capital Management LLC185,168$5.1Mincrease2026-06-30
Bridgeway Capital Management, LLC172,655$4.7Mincrease2026-06-30
Algert Global LLC156,224$4.3Mnew2026-06-30

RBB Bancorp's latest quarter

RBB Bancorp, Q3 2026: revenue $36.9M (+13% year over year), operating margin 45.6%, net earnings $12.6M, operating cash flow −$820K. The chart follows the revenue to costs, profit and cash.

Questions

Who owns the most RBB stock?

By the latest 13F filings: BlackRock ($35.4M); Dimensional Fund Advisors LP ($24.7M); Vanguard Group ($17.8M); Vanguard Capital Management LLC ($17.6M); American Century Companies ($14.7M).

What is the short interest in RBB?

499,196 shares were sold short at the 2026-10-15 settlement, -5.88% of the float.

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Updated Nov 8, 2026. Read automatically from SEC filings and public data; errors are possible. Not investment advice.