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Disclosery

RBB RBB BANCORP

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COMMON STOCK (common), issuer CIK 1499422

116 managers (120 13F filers) reported a position in RBB shares at 2026-03-31, 9,427,252 shares in all. 12 filers opened a position and 7 filers sold out during the quarter.

Managers
116
13F filers
120
New
12
Added
50
Reduced
34
Sold out
7
Shares held by filers
9,427,252

Shares held by filers adds up every 13F filer's report, so a share reported by a parent and by its subsidiary counts twice (H9). Managers counts each filer group once.

13D and 13G filers

No 13D or 13G on this security in the data. Structured 13D/G data starts 2024-12-18.

Insider trades

No Form 4 transaction on this security in the data.

13F holders, Q1 2026

Filers in the available 13F reports with a share position at 2026-03-31, filer groups collapsed to one row (method), largest first. Options and principal amounts are left out. A group row states no % of portfolio, since each member reports its own portfolio: the members' percents are listed under it. A value about 1,000 times or 1/1,000 of the price other filers imply is shown as filed but neither ranks the row nor enters a sum.

HolderSharesValue% of portfolioChangeSource
FJ Capital Management LLC1,511,408$32.3M3.64%013F-HRTimeline
BlackRock, Inc.in group BlackRock, Inc.1,141,348$24.4M<0.01%-31,68413F-HRTimelineGroup
VANGUARD GROUP INCgroup of 4 filers holding868,949$18.6MnewTimeline
DIMENSIONAL FUND ADVISORS LPin group DIMENSIONAL FUND ADVISORS LP830,214$17.7M<0.01%+16,69513F-HRTimelineGroup
AMERICAN CENTURY COMPANIES INCin group AMERICAN CENTURY COMPANIES INC467,678$9.99M0.01%+33,33013F-HRTimelineGroup
ALLIANCEBERNSTEIN L.P.382,318$7.89M<0.01%+88,28513F-HRTimeline
GEODE CAPITAL MANAGEMENT, LLCin group GEODE CAPITAL MANAGEMENT, LLC347,330$7.42M<0.01%+5,35013F-HRTimelineGroup
Rhino Investment Partners, Inc338,810$7.24M2.01%+29,07013F-HRTimeline
STATE STREET CORPin group STATE STREET CORP324,822$6.94M<0.01%+4,11613F-HRTimelineGroup
Hillsdale Investment Management Inc.221,400$4.73M0.13%+72,00013F-HRTimeline
ARROWSTREET CAPITAL, LIMITED PARTNERSHIPin group ARROWSTREET CAPITAL, LIMITED …199,735$4.27M<0.01%-45513F-HRTimelineGroup
LSV ASSET MANAGEMENT188,400$4.03M0.01%-10,40013F-HRTimeline
HOTCHKIS & WILEY CAPITAL MANAGEMENT LLC184,088$3.93M0.01%-2,21513F-HRTimeline
BRIDGEWAY CAPITAL MANAGEMENT, LLC165,923$3.55M0.07%+7,85613F-HRTimeline
MORGAN STANLEYin group MORGAN STANLEY132,582$2.83M<0.01%-20,72913F-HRTimelineGroup
NORTHERN TRUST CORPin group NORTHERN TRUST CORP116,171$2.48M<0.01%+8,84313F-HRTimelineGroup
EJF Capital LP108,857$2.33M1.64%new13F-HRTimeline
Empowered Funds, LLC101,463$2.17M0.01%+19,27913F-HR/ATimeline
ACADIAN ASSET MANAGEMENT LLCin group ACADIAN ASSET MANAGEMENT LLC97,585$2.08M<0.01%+50,66213F-HRTimelineGroup
O'SHAUGHNESSY ASSET MANAGEMENT, LLC94,684$2.02M0.01%new13F-HRTimeline
Bank of New York Mellon Corpin group Bank of New York Mellon Corp88,935$1.9M<0.01%-1,29713F-HRTimelineGroup
AQR CAPITAL MANAGEMENT LLCin group AQR CAPITAL MANAGEMENT LLC77,029$1.65M<0.01%+5,24213F-HRTimelineGroup
Trexquant Investment LP70,884$1.51M0.01%+18,17513F-HRTimeline
Squarepoint Ops LLCin group Squarepoint Ops LLC67,298$1.44M<0.01%+15,43413F-HRTimelineGroup
Quantinno Capital Management LP66,144$1.41M<0.01%+21,43413F-HRTimeline
North Reef Capital Management LP64,150$1.37M0.05%new13F-HRTimeline
GOLDMAN SACHS GROUP INCin group GOLDMAN SACHS GROUP INC63,588$1.36M<0.01%+25,20113F-HRTimelineGroup
Connor, Clark & Lunn Investment Managem…62,138$1.33M<0.01%+3,03713F-HRTimeline
TWO SIGMA INVESTMENTS, LPin group TWO SIGMA INVESTMENTS, LP60,336$1.29M<0.01%-5,82813F-HRTimelineGroup
JACOBS LEVY EQUITY MANAGEMENT, INC59,728$1.28M0.01%+1,01813F-HRTimeline
Qube Research & Technologies Ltd58,968$1.26M<0.01%+16,74113F-HRTimeline
KENNEDY CAPITAL MANAGEMENT LLC56,528$1.21M0.03%+15,04113F-HRTimeline
Nuveen, LLCin group TIAA48,633$1.04M<0.01%+5,00513F-HRTimelineGroup
FIRST TRUST ADVISORS LPin group FIRST TRUST ADVISORS LP46,073$985K<0.01%-44713F-HRTimelineGroup
CITADEL ADVISORS LLCin group CITADEL ADVISORS LLC44,585$953K<0.01%+22,83613F-HRTimelineGroup
CHARLES SCHWAB INVESTMENT MANAGEMENT INCin group Charles Schwab Trust Co42,753$914K<0.01%-3,09413F-HRTimelineGroup
Invesco Ltd.in group Invesco Ltd.41,007$876K<0.01%+13,72513F-HRTimelineGroup
JOHN G ULLMAN & ASSOCIATES INC40,550$867K0.11%013F-HRTimeline
AMERIPRISE FINANCIAL INCin group AMERIPRISE FINANCIAL INC35,851$766K<0.01%-2,55713F-HR/ATimelineGroup
GSA CAPITAL PARTNERS LLP32,724$699K0.04%-6,85213F-HRTimeline
Unison Advisors LLC31,955$683K0.05%+23813F-HRTimeline
LOS ANGELES CAPITAL MANAGEMENT LLC31,289$669K<0.01%new13F-HRTimeline
BANK OF AMERICA CORP /DE/in group BANK OF AMERICA CORP /DE/29,634$633K<0.01%-2,11213F-HRTimelineGroup
Catalina Capital Group, LLC29,605$633K0.39%013F-HRTimeline
STRS OHIO27,400$586K<0.01%+1,20013F-HRTimeline
Odyssean, LLC23,101$494K0.18%new13F-HRTimeline
RHUMBLINE ADVISERS20,921$447K<0.01%-62113F-HRTimeline
D. E. Shaw & Co., Inc.in group D. E. Shaw & Co., Inc.18,906$404K<0.01%-67313F-HRTimelineGroup
MILLENNIUM MANAGEMENT LLCin group MILLENNIUM MANAGEMENT LLC18,261$390K<0.01%-42,34813F-HRTimelineGroup
COMMONWEALTH EQUITY SERVICES, LLC17,432$373K<0.01%+113F-HRTimeline
MARTINGALE ASSET MANAGEMENT L P17,000$363K0.01%-20,41913F-HRTimeline
SEI INVESTMENTS COin group SEI INVESTMENTS CO16,654$356K<0.01%new13F-HRTimelineGroup
UBS Group AGgroup of 2 filers holding14,088$301K+11,331Timeline
Engineers Gate Manager LP12,226$261K<0.01%new13F-HRTimeline
Jump Financial, LLCin group Jump Financial, LLC11,264$241K<0.01%-2,99913F-HRTimelineGroup
PRUDENTIAL FINANCIAL INCin group PRUDENTIAL FINANCIAL INC10,975$235K<0.01%-8,06113F-HRTimelineGroup
IEQ CAPITAL, LLC10,801$231K<0.01%-25713F-HRTimeline
PRICE T ROWE ASSOCIATES INC /MD/10,682$229K<0.01%013F-HRTimeline
FRANKLIN RESOURCES INCin group Franklin Resources10,673$228K<0.01%-3,64613F-HRTimelineGroup
CANADA PENSION PLAN INVESTMENT BOARD10,300$220K<0.01%013F-HRTimeline
MetLife Investment Management, LLCin group MetLife Investment Management…10,051$215K<0.01%-29313F-HRTimelineGroup
Russell Investments Group, Ltd.in group Russell Investments Group, Lt…9,826$210K<0.01%-18513F-HRTimelineGroup
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.in group Mirae Asset Global Investment…7,738$165K<0.01%+17013F-HRTimelineGroup
JPMORGAN CHASE & COin group JPMORGAN CHASE & CO7,078$151K<0.01%-20,18413F-HR/ATimelineGroup
PNC Financial Services Group, Inc.in group PNC Financial Services Group,…6,781$145K<0.01%+63613F-HRTimelineGroup
PUBLIC EMPLOYEES RETIREMENT SYSTEM OF O…6,593$141K<0.01%013F-HRTimeline
CWM, LLCin group CWM, LLC6,210$133K<0.01%+14413F-HRTimelineGroup
WELLS FARGO & COMPANY/MNin group WELLS FARGO & COMPANY/MN6,136$131K<0.01%-12,06813F-HR/ATimelineGroup
DEUTSCHE BANK AG\in group DEUTSCHE BANK AG\5,624$120K<0.01%-6,87613F-HRTimelineGroup
NEW YORK STATE COMMON RETIREMENT FUND4,539$97K<0.01%013F-HRTimeline
Police & Firemen's Retirement System of…3,863$82.6K<0.01%013F-HRTimeline
BNP PARIBAS FINANCIAL MARKETSin group BNP PARIBAS FINANCIAL MARKETS3,640$77.8K<0.01%-1,73713F-HRTimelineGroup
BARCLAYS PLCin group BARCLAYS PLC3,164$67.6K<0.01%-21,99313F-HRTimelineGroup
FMR LLCin group FMR LLC2,506$53.5K<0.01%+913F-HRTimelineGroup
CITIGROUP INCin group CITIGROUP INC2,287$48.9K<0.01%+79413F-HRTimelineGroup
Tower Research Capital LLC (TRC)in group Tower Research Capital LLC (T…1,840$39.3K<0.01%+1,26413F-HRTimelineGroup
CANADA LIFE ASSURANCE Coin group CANADA LIFE ASSURANCE Co1,706$36K<0.01%+6613F-HRTimelineGroup
Rockefeller Capital Management L.P.in group Rockefeller Capital Managemen…1,637$35K<0.01%+1,57713F-HRTimelineGroup
Legal & General Group Plcin group Legal & General Group Plc1,477$31.6K<0.01%013F-HRTimelineGroup
Ameritas Investment Partners, Inc.in group Ameritas Investment Partners,…1,318$28.2K<0.01%013F-HRTimelineGroup
CALIFORNIA STATE TEACHERS RETIREMENT SY…879$18.8K<0.01%-12013F-HRTimeline
Smartleaf Asset Management LLC828$17.6K<0.01%+15013F-HRTimeline
State of Alaska, Department of Revenue838$17K<0.01%013F-HRTimeline
Sterling Capital Management LLC538$11.5K<0.01%-39813F-HRTimeline
Versant Capital Management, Inc504$10.8K<0.01%+5413F-HRTimeline
Federation des caisses Desjardins du Qu…500$10.7K<0.01%013F-HRTimeline
JONES FINANCIAL COMPANIES LLLPin group JONES FINANCIAL COMPANIES LLLP503$10.5K<0.01%new13F-HRTimelineGroup
ROYAL BANK OF CANADAin group ROYAL BANK OF CANADA460$10K<0.01%-7113F-HRTimelineGroup
Pinnacle Wealth Planning Services, Inc.420$8.97K<0.01%013F-HRTimeline
Capital Advisors, Ltd. LLC359$8K<0.01%013F-HRTimeline
GAMMA Investing LLC343$7.33K<0.01%+13113F-HRTimeline
Essential Partners LLC328$7.01K<0.01%-13113F-HRTimeline
HARBOR CAPITAL ADVISORS, INC.340$7K<0.01%+21413F-HRTimeline
SIGNATUREFD, LLC209$4.47K<0.01%+12513F-HRTimeline
Arax Advisory Partners191$4.08K<0.01%+10813F-HRTimeline
Optiver Holding B.V.in group Optiver Holding B.V.186$3.98K<0.01%+2813F-HR/ATimelineGroup
EverSource Wealth Advisors, LLCin group EverSource Wealth Advisors, L…167$3.57K<0.01%-2313F-HR/ATimelineGroup
Private Wealth Management Group, LLC155$3.31K<0.01%013F-HRTimeline
Allworth Financial LP128$2.74K<0.01%+6813F-HRTimeline
Root Financial Partners, LLC71$1.52K<0.01%+2113F-HRTimeline
Farther Finance Advisors, LLC68$1.47K<0.01%+213F-HRTimeline
Parallel Advisors, LLC65$1.39K<0.01%new13F-HR/ATimeline
IFP Advisors, Inc61$1.3K<0.01%013F-HRTimeline
ROTHSCHILD INVESTMENT LLC40$855<0.01%+1713F-HRTimeline
NISA INVESTMENT ADVISORS, LLC40$855<0.01%013F-HRTimeline
Kilter Group LLC37$791<0.01%new13F-HRTimeline
BARROW HANLEY MEWHINNEY & STRAUSS LLC33$705<0.01%013F-HRTimeline
MAI Capital Management28$599<0.01%+2013F-HRTimeline
Torren Management, LLC25$543<0.01%-1,31413F-HRTimeline
True Wealth Design, LLC23$492<0.01%+113F-HRTimeline
Cornerstone Planning Group LLC17$390<0.01%+113F-HRTimeline
JPL Wealth Management, LLC1$22<0.01%new13F-HR/ATimeline
HUNTINGTON NATIONAL BANKin group HUNTINGTON NATIONAL BANK1$21<0.01%013F-HRTimelineGroup
SBI Securities Co., Ltd.1$21<0.01%013F-HRTimeline
Basecamp Wealth Advisors LLC1$21<0.01%new13F-HRTimeline
Covestor Ltd16$00%-1613F-HRTimelineValue filed as zero, left out of ratios.