RBB Bancorp

RBB • NASDAQ

RBB Bancorp is a banks - regional company in the financial services sector on NASDAQ, led by Johnny Lee, with a market cap of $375.9M. As of Q3 2025, 50% of shares are held by 106 institutional investors, with FJ Capital Management LLC as the largest holder at 8.76%.

President and Chief Executive OfficerJohnny Lee

Market Cap$375.9M

Banks - Regional

Financial Services

Employees371.0

Websiteroyalbusinessbankusa.com

Country

United States of America

Overview

Overview of institutional ownership in RBB as of Q3 2025 with a market cap of $323.6M

All Institutions

Institutions: 106
Value Held: $161.1M
Shares Held: 8.6M
Avg Position: $1.5M
Median Position: $238.8K

Hedge Funds

Hedge Funds: 15
Value Held: $46.7M
Shares Held: 2.5M
Avg Position: $3.1M
Median Position: $1.1M

Ownership Breakdown

Institutional (non-HF)

35.37%

$114.5M

Hedge Funds

14.42%

$46.7M

Retail & Other

50.21%

$162.5M

Based on market cap of $323.6M as of Q3 2025. Institutional (non-HF) excludes hedge funds to avoid double counting.

Biggest Investors

Institutions with the largest positions in RBB as of Q3 2025

Institution	Key People	Position Value	Ownership	Owned Since	Total AUM (Long)
FJ Capital Management LLC Hedge Fund•Long/Short	Martin Saul Friedman Founder	$28.4M 2.84% of portfolio	8.76% 1.5M shares	Q2 2021 Held for 4y 5m	$999.9M
B BlackRock, Inc. Institution	-	$22.7M 0.00% of portfolio	7.02% 1.2M shares	Q3 2017 Held for 8y 2m	$5.67T
VANGUARD GROUP INC Institution	Salim Ramji CEO	$16.2M 0.00% of portfolio	5.00% 863.0K shares	Q3 2017 Held for 8y 2m	$6.69T
DIMENSIONAL FUND ADVISORS LP Long Only Manager	David Paul Butler CEO	$15.2M 0.00% of portfolio	4.69% 808.5K shares	Q3 2018 Held for 7y 2m	$466.32B
A AMERICAN CENTURY COMPANIES INC Institution	-	$7.7M 0.00% of portfolio	2.39% 412.3K shares	Q2 2020 Held for 5y 5m	$195.93B
GEODE CAPITAL MANAGEMENT LLC ETF Provider	David Kenneth Lane CEO	$6.7M 0.00% of portfolio	2.06% 356.1K shares	Q3 2017 Held for 8y 2m	$1.57T
STATE STREET CORP Institution	Ronald P. O'Hanley CEO	$6.0M 0.00% of portfolio	1.85% 319.2K shares	Q3 2017 Held for 8y 2m	$2.88T
ALLIANCEBERNSTEIN L.P. Long Only Manager	Seth Perry Bernstein CEO	$5.5M 0.00% of portfolio	1.70% 294.0K shares	Q3 2017 Held for 8y 2m	$317.45B
R rhino investment partners, Inc Hedge Fund•Value	John Keith Schneider President	$4.7M 1.54% of portfolio	1.47% 253.2K shares	Q3 2024 Held for 1y 2m	$309.3M
L LSV ASSET MANAGEMENT Long Only Manager	Josef Nmn Lakonishok CEO	$4.0M 0.01% of portfolio	1.25% 214.9K shares	Q4 2019 Held for 5y 11m	$45.1B

Net Capital Flow

Institutional buying and selling activity for RBB in Q3 2025

Traded: −$294.8K
Buyers: 65
Sellers: 29
Total Bought: +$12.6M
Total Sold: −$12.9M
Avg Position: $1.5M

Biggest Buyers

Institution	Net Bought	Current Position
ARROWSTREET CAPITAL LIMITED PARTNERSHIP Hedge Fund•Quant	+$1.7M +89.0K shares	$3.8M 200.2K shares
Trexquant Investment LP Hedge Fund•Quant	+$887.0K +47.3K shares	$1.1M 60.3K shares
MILLENNIUM MANAGEMENT LLC Hedge Fund•Multi-Strategy	+$818.3K +43.6K shares	$1.2M 64.0K shares
AQR CAPITAL MANAGEMENT LLC Hedge Fund•Multi-Strategy	+$776.2K +41.4K shares	$1.2M 65.0K shares
A AMERICAN CENTURY COMPANIES INC Institution	+$716.0K +38.2K shares	$7.7M 412.3K shares
FIRST TRUST ADVISORS LP ETF Provider	+$697.5K +37.2K shares	$916.0K 48.8K shares
GOLDMAN SACHS GROUP INC Institution	+$640.7K +34.2K shares	$900.2K 48.0K shares
TWO SIGMA INVESTMENTS LLC Hedge Fund•Multi-Strategy	+$500.2K +26.7K shares	$1.0M 54.8K shares
Marshall Wace LLP Institution	+$435.3K +23.2K shares	$435.3K 23.2K shares
DIMENSIONAL FUND ADVISORS LP Long Only Manager	+$422.3K +22.5K shares	$15.2M 808.5K shares

Biggest Sellers

Institution	Net Sold	Current Position
FJ Capital Management LLC Hedge Fund•Long/Short	−$4.8M −254.7K shares	$28.4M 1.5M shares
Fourthstone LLC Hedge Fund•Long/Short	−$2.1M −114.5K shares	$938.0K 50.0K shares
CITADEL ADVISORS LLC Hedge Fund•Multi-Strategy	−$1.2M −64.2K shares	$464.4K 24.8K shares
GLOBEFLEX CAPITAL L P Long Only Manager	−$867.1K −50.4K shares	Sold Off 0 shares
SUSQUEHANNA INTERNATIONAL GROUP, LLP Private Equity	−$791.8K −46.0K shares	Sold Off 0 shares
L LSV ASSET MANAGEMENT Long Only Manager	−$583.4K −31.1K shares	$4.0M 214.9K shares
VANGUARD GROUP INC Institution	−$313.4K −16.7K shares	$16.2M 863.0K shares
HOTCHKIS & WILEY CAPITAL MANAGEMENT LLC Long Only Manager	−$304.1K −16.2K shares	$3.5M 186.1K shares
MORGAN STANLEY RIA/Wealth	−$285.6K −15.2K shares	$2.5M 135.2K shares
Atom Investors LP Hedge Fund•Market Neutral	−$281.5K −16.4K shares	Sold Off 0 shares

Entry and Exit Activity

Institutions that initiated new positions or completely exited RBB in Q3 2025

New Positions: 8
New Value: $770.4K
Exited Positions: 3
Exited Value: $1.9M

New Positions

Institution	Position Value
J Jump Financial, LLC Institution	$299.8K 16.0K shares
GSA CAPITAL PARTNERS LLP Hedge Fund•Quant	$228.7K 12.2K shares
C Cubist Systematic Strategies, LLC Institution	$199.6K 10.6K shares
SRS Capital Advisors, Inc. RIA/Wealth	$19.8K 1.1K shares
P Point72 Asia Pte. Ltd. Institution	$16.1K 859.0 shares
O Optiver Holding B.V. Institution	$5.8K 308.0 shares
Farther Finance Advisors, LLC RIA/Wealth	$582.0 31.0 shares
Sunbelt Securities, Inc. RIA/Wealth	$56.0 3.0 shares

Exited Positions

Institution	Previous Position
GLOBEFLEX CAPITAL L P Long Only Manager	$867.1K 50.4K shares
SUSQUEHANNA INTERNATIONAL GROUP, LLP Private Equity	$791.8K 46.0K shares
Atom Investors LP Hedge Fund•Market Neutral	$281.5K 16.4K shares

Options Activity

Institutions with the largest Call and Put options positions in RBB as of Q3 2025

Call Positions: 0
Call Value: -
Put Positions: 0
Put Value: -

Call Positions

Institution	Position Value
No call positions found

Put Positions

Institution	Position Value
No put positions found

Most Committed Institutions

Institutions with RBB as the highest % of their portfolio as of Q3 2025

Institution	Key People	Portfolio Weight	Ownership	Owned Since	Total AUM (Long)
FJ Capital Management LLC Hedge Fund•Long/Short	Martin Saul Friedman Founder	2.84% $28.4M	8.76% 1.5M shares	Q2 2021 Held for 4y 5m	$999.9M
R rhino investment partners, Inc Hedge Fund•Value	John Keith Schneider President	1.54% $4.7M	1.47% 253.2K shares	Q3 2024 Held for 1y 2m	$309.3M
Catalina Capital Group, LLC RIA/Wealth	Chris Matthew Frantz Managing Partner	0.35% $555.4K	0.17% 29.6K shares	Q4 2023 Held for 1y 11m	$160.5M
Fourthstone LLC Hedge Fund•Long/Short	Amy Morris Stone CEO	0.17% $938.0K	0.29% 50.0K shares	Q2 2025 Held for 5 months	$557.6M
R Squared Ltd Private Equity	-	0.17% $385.3K	0.12% 20.5K shares	Q3 2025 Held for 2 months	$232.5M
JOHN G ULLMAN & ASSOCIATES INC RIA/Wealth	John Guy Ullman CEO	0.10% $766.3K	0.24% 40.9K shares	Q3 2020 Held for 5y 2m	$743.1M
B BRIDGEWAY CAPITAL MANAGEMENT INC Long Only Manager	John Noland Ryan Montgomery CEO	0.06% $2.6M	0.81% 140.1K shares	Q3 2019 Held for 6y 2m	$4.7B
Unison Advisors LLC RIA/Wealth	Nir Kaissar Managing Partner	0.05% $589.7K	0.18% 31.4K shares	Q3 2024 Held for 1y 2m	$1.1B
H Harbor Advisors LLC Family Office	Shiaujie Fu Managing Partner	0.03% $187.6K	0.06% 10.0K shares	Q3 2017 Held for 8y 2m	$649.2M
S SENTINEL TRUST CO LBA Institution	-	0.02% $189.5K	0.06% 10.1K shares	Q2 2024 Held for 1y 5m	$900.2M

Hedge Fund Spotlight

Discover hedge funds investing in RBB

TWO SIGMA ADVISERS, LLC

Hedge Fund • Multi-Strategy

Portfolio ManagerScott David Hoffman

Portfolio Value: $50.0B
Positions: 2,312
Last Reported: Q3 2025

Sector Allocation

Position in RBB Bancorp

Market Value: $476.5K
Shares Held: 25.4K
Portfolio Weight: 0.00%
Owned Since: 2021-Q2

Top Holding	Sector	Market Value	Weight
1 Nvidia NVDA	Semiconductors Technology	$1.5B	3.07%
2 Microsoft MSFT	Software - Infrastructure Technology	$1.5B	3.03%
3 Apple AAPL	Consumer Electronics Technology	$1.4B	2.79%