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Equibles

RBB

RBB Bancorp

Company with tickers: RBB

CIK
1499422
CUSIP
74930B105
Shares Outstanding
16,935,888
13F Activity (30d)
92 filings 87 filers

Institutional ownership from SEC Form 13F filings. Investment managers with more than $100 million in U.S. equities must disclose their positions every quarter, within 45 days of quarter-end, so the holdings shown can lag the market by up to a quarter.

Holders: 119
Total Value: $201,460,277
Total Shares: 9,427,251
Showing 1–100 of 119 holdings by value · page 1 of 2

Institutional Ownership Trend

25 quarters

Holder Concentration

Across 119 13F filers · Δ vs Dec 31, 2025
Top Holder
16.0%
Jun 2023 → Mar 2026 · range 16.0% – 23.3%
−0.9 pts
Top 5
48.9%
Jun 2023 → Mar 2026 · range 48.9% – 63.4%
−4.9 pts
Top 10
66.0%
Jun 2023 → Mar 2026 · range 66.0% – 81.3%
−4.3 pts
HHI
650
Jun 2023 → Mar 2026 · range 650 – 1,097
Broadly held −98

Quarterly Activity

vs Dec 31, 2025
New
15
Increased
50
Decreased
34
Sold Out
8
Unchanged
20
Holder count: +7
Institutional value: +9.6%
Shares held: +5.9%

Top Buyers

vs Dec 31, 2025
Institution Added Now Holds Open
Mega ALLIANCEBERNSTEIN L.P. +88,285 382,318
Mid Hillsdale Investment Management Inc. +72,000 221,400
Large ACADIAN ASSET MANAGEMENT LLC +50,662 97,585
Mega AMERICAN CENTURY COMPANIES INC +33,330 467,678
Small Rhino Investment Partners, Inc +29,070 338,810

Top Sellers

vs Dec 31, 2025
Institution Sold Now Holds Open
Mega MILLENNIUM MANAGEMENT LLC −42,348 18,261
Mega BlackRock, Inc. −31,684 1,141,348
Mega BARCLAYS PLC −21,993 3,164
Mega MORGAN STANLEY −20,729 132,582
Mid MARTINGALE ASSET MANAGEMENT L P −20,419 17,000

Top New Positions

vs Dec 31, 2025
Institution Acquired Value (USD) Open
Mega VANGUARD CAPITAL MANAGEMENT LLC 660,025 $14,104,734
Mega VANGUARD PORTFOLIO MANAGEMENT LLC 120,946 $2,584,616
Small EJF Capital LP 108,857 $2,326,274
Large O'SHAUGHNESSY ASSET MANAGEMENT, LLC 94,684 $2,023,397
Mega VANGUARD FIDUCIARY TRUST CO 82,767 $1,768,730

Top Sold-Out Positions

vs Dec 31, 2025
Institution Previously Held Last Value (USD) Open
Mega VANGUARD GROUP INC 862,098 $17,793,701
Mid Azora Capital LP 30,913 $638,044
Large MARSHALL WACE, LLP 30,778 $635,257
Large TWO SIGMA ADVISERS, LP 29,600 $610,944
Large Point72 Asset Management, L.P. 12,266 $253,170
Filter: New 15 Increased 50 Reduced 34 Sold out 8 Unchanged 20
Showing 100 of 119
All Common Calls Puts
Export CSV
Holder Value (USD) % of 13F Shares Open
Small FJ Capital Management LLC $32,298,788 16.03% 1,511,408
Mega BlackRock, Inc. $24,390,604 12.11% 1,141,348
Mega DIMENSIONAL FUND ADVISORS LP $17,741,672 8.81% 830,214
Mega VANGUARD CAPITAL MANAGEMENT LLC $14,104,734 7.00% 660,025
Mega AMERICAN CENTURY COMPANIES INC $9,994,278 4.96% 467,678
Mega ALLIANCEBERNSTEIN L.P. $8,170,135 4.06% 382,318
Mega GEODE CAPITAL MANAGEMENT, LLC $7,422,441 3.68% 347,330
Small Rhino Investment Partners, Inc $7,240,369 3.59% 338,810
Mega STATE STREET CORP $6,941,446 3.45% 324,822
Mid Hillsdale Investment Management Inc. $4,731,318 2.35% 221,400
Mega ARROWSTREET CAPITAL, LIMITED PARTNERSHIP $4,268,336 2.12% 199,735
Large LSV ASSET MANAGEMENT $4,026,108 2.00% 188,400
Large HOTCHKIS & WILEY CAPITAL MANAGEMENT LLC $3,933,960 1.95% 184,088
Mid BRIDGEWAY CAPITAL MANAGEMENT, LLC $3,545,774 1.76% 165,923
Mega MORGAN STANLEY $2,833,274 1.41% 132,582
Mega VANGUARD PORTFOLIO MANAGEMENT LLC $2,584,616 1.28% 120,946
Mega NORTHERN TRUST CORP Bank $2,482,573 1.23% 116,171
Small EJF Capital LP $2,326,274 1.15% 108,857
Large Empowered Funds, LLC $2,168,263 1.08% 101,463
Large ACADIAN ASSET MANAGEMENT LLC $2,085,391 1.04% 97,585
Large O'SHAUGHNESSY ASSET MANAGEMENT, LLC $2,023,397 1.00% 94,684
Mega Bank of New York Mellon Corp Bank $1,900,539 0.94% 88,935
Mega VANGUARD FIDUCIARY TRUST CO Bank $1,768,730 0.88% 82,767
Mega AQR CAPITAL MANAGEMENT LLC $1,646,106 0.82% 77,029
Large Trexquant Investment LP $1,514,791 0.75% 70,884
Large Squarepoint Ops LLC $1,438,158 0.71% 67,298
Large Quantinno Capital Management LP $1,413,497 0.70% 66,144
Mid North Reef Capital Management LP $1,370,885 0.68% 64,150
Mega GOLDMAN SACHS GROUP INC $1,358,874 0.67% 63,588
Large Connor, Clark & Lunn Investment Management Ltd. $1,327,889 0.66% 62,138
Mega TWO SIGMA INVESTMENTS, LP $1,289,380 0.64% 60,336
Large JACOBS LEVY EQUITY MANAGEMENT, INC $1,276,387 0.63% 59,728
Large Qube Research & Technologies Ltd $1,260,146 0.63% 58,968
Mid KENNEDY CAPITAL MANAGEMENT LLC $1,208,003 0.60% 56,528
Mega Nuveen, LLC $1,039,287 0.52% 48,633
Mega FIRST TRUST ADVISORS LP $984,580 0.49% 46,073
Mega CITADEL ADVISORS LLC $952,781 0.47% 44,585
Mega CHARLES SCHWAB INVESTMENT MANAGEMENT INC $913,631 0.45% 42,753
Mega Invesco Ltd. $876,318 0.43% 41,007
Small JOHN G ULLMAN & ASSOCIATES INC $866,553 0.43% 40,550
Mega AMERIPRISE FINANCIAL INC $766,135 0.38% 35,851
Mid GSA CAPITAL PARTNERS LLP $699,311 0.35% 32,724
Small Unison Advisors LLC $682,878 0.34% 31,955
Large LOS ANGELES CAPITAL MANAGEMENT LLC $668,645 0.33% 31,289
Mega BANK OF AMERICA CORP /DE/ Bank $633,278 0.31% 29,634
Micro Catalina Capital Group, LLC $632,658 0.31% 29,605
Large STRS OHIO $585,538 0.29% 27,400
Small Odyssean, LLC $493,668 0.25% 23,101
Mega RHUMBLINE ADVISERS $447,081 0.22% 20,921
Mega D. E. Shaw & Co., Inc. $404,021 0.20% 18,906
Mega MILLENNIUM MANAGEMENT LLC $390,237 0.19% 18,261
Large COMMONWEALTH EQUITY SERVICES, LLC $372,521 0.18% 17,432
Mid MARTINGALE ASSET MANAGEMENT L P $363,290 0.18% 17,000
Large SEI INVESTMENTS CO $355,895 0.18% 16,654
Mega UBS Group AG $266,590 0.13% 12,475
Mid Engineers Gate Manager LP $261,269 0.13% 12,226
Mid Jump Financial, LLC $240,711 0.12% 11,264
Large PRUDENTIAL FINANCIAL INC $234,535 0.12% 10,975
Large IEQ CAPITAL, LLC $230,817 0.11% 10,801
Mega PRICE T ROWE ASSOCIATES INC /MD/ $228,274 0.11% 10,682
Mega FRANKLIN RESOURCES INC $228,081 0.11% 10,673
Mega CANADA PENSION PLAN INVESTMENT BOARD Pension $220,111 0.11% 10,300
Large MetLife Investment Management, LLC $214,789 0.11% 10,051
Large Russell Investments Group, Ltd. $209,981 0.10% 9,826
Large MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. Mutual Fund $165,361 0.08% 7,738
Mega JPMORGAN CHASE & CO $151,256 0.08% 7,078
Mega PNC FINANCIAL SERVICES GROUP, INC. $144,909 0.07% 6,781
Large PUBLIC EMPLOYEES RETIREMENT SYSTEM OF OHIO Pension $140,892 0.07% 6,593
Large CWM, LLC $132,707 0.07% 6,210
Mega WELLS FARGO & COMPANY/MN $131,126 0.07% 6,136
Mega DEUTSCHE BANK AG\ Bank $120,184 0.06% 5,624
Mega Vanguard Global Advisers, LLC $111,359 0.06% 5,211
Large NEW YORK STATE COMMON RETIREMENT FUND Pension $96,998 0.05% 4,539
Large Police & Firemen's Retirement System of New Jersey Pension $82,552 0.04% 3,863
Mega BNP PARIBAS ARBITRAGE, SA $77,786 0.04% 3,640
Mega BARCLAYS PLC $67,614 0.03% 3,164
Mega FMR LLC $53,552 0.03% 2,506
Mega CITIGROUP INC $48,871 0.02% 2,287
Mid Tower Research Capital LLC (TRC) $39,320 0.02% 1,840
Large CANADA LIFE ASSURANCE Co Insurance $36,457 0.02% 1,706
Large Rockefeller Capital Management L.P. $34,982 0.02% 1,637
Mega UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC $34,469 0.02% 1,613
Mega Legal & General Group Plc $31,563 0.02% 1,477
Mid Ameritas Investment Partners, Inc. $28,165 0.01% 1,318
Large CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM Pension $18,784 0.01% 879
Mid State of Alaska, Department of Revenue $17,908 0.01% 838
Mid Smartleaf Asset Management LLC $17,694 0.01% 828
Mid Sterling Capital Management LLC $11,497 0.01% 538
Small Versant Capital Management, Inc $10,770 0.01% 504
Large JONES FINANCIAL COMPANIES LLLP $10,749 0.01% 503
Large Federation des caisses Desjardins du Quebec $10,685 0.01% 500
Mega ROYAL BANK OF CANADA Bank $9,829 0.00% 460
Small Pinnacle Wealth Planning Services, Inc. $8,975 0.00% 420
Small Capital Advisors, Ltd. LLC $7,671 0.00% 359
Mid GAMMA Investing LLC $7,329 0.00% 343
Mid HARBOR CAPITAL ADVISORS, INC. $7,265 0.00% 340
Small Essential Partners LLC $7,009 0.00% 328
Mid SIGNATUREFD, LLC $4,466 0.00% 209
Mid Arax Advisory Partners $4,081 0.00% 191
Mid Optiver Holding B.V. $3,974 0.00% 186

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