RBB BANCORP (RBB) Top Institutional Shareholders
RBB BANCORP (RBB) is currently reported in institutional portfolios tracked by InsiderSet based on the latest available SEC Form 13F filings for the quarter ended March 31, 2026. The institutional investors covered on this page collectively reported approximately $193.05M in RBB holdings during the latest filing period.
Fj Capital Management Llc is currently the largest disclosed institutional shareholder of RBB tracked by InsiderSet, reporting ownership valued at approximately $32.30M in its March 31, 2026 SEC Form 13F filing. Based on current market prices and the latest disclosed share count, the position is now estimated to be worth approximately $37.72M, representing an estimated gain of +16.80% since the filing period.
The top 10 institutional shareholders tracked on this page collectively account for approximately 69% of the total disclosed RBB value among the investors covered in this analysis. Major shareholders include Fj Capital Management Llc, Blackrock, Inc., Dimensional Fund Advisors Lp, and several other long-term asset managers with concentrated positions in RBB BANCORP (RBB).
This page ranks the largest institutional RBB shareholders using publicly disclosed SEC Form 13F data, including reported values, estimated current holding values, portfolio allocation percentages, ownership concentration metrics, and historical holding changes across major hedge funds and investment firms.
Institutional Holders
115
Total Reported Value
$193.05M
Largest Holder
Fj Capital Management Llc
Largest Position
$32.30M
Insider Transactions (90d)
0
Latest Filing Quarter
Q1 2026
New Institutional Positions
125
Funds Exiting Positions
0
| Name | Investor/Manager | Portfolio % | Quantity | Reported Balance | Current Estimated Value | Gain/loss Since Filing | Estimated Portfolio Performance |
|---|---|---|---|---|---|---|---|
| Fj Capital Management Llc | 3.64% | 1,511,408 | $32,298,789 | $37,724,744 | +$5,425,955 | +16.80% | |
| Blackrock, Inc. | 0.00% | 1,141,348 | $24,390,606 | $28,488,046 | +$4,097,440 | +16.80% | |
| Dimensional Fund Advisors Lp | 0.00% | 830,214 | $17,741,803 | $20,722,141 | +$2,980,338 | +16.80% | |
| Vanguard Capital Management Llc | 0.00% | 660,025 | $14,104,734 | $16,474,224 | +$2,369,490 | +16.80% | |
| American Century Companies Inc | 0.01% | 467,678 | $9,994,288 | $11,673,243 | +$1,678,955 | +16.80% | |
| Alliancebernstein L.P. | 0.00% | 382,318 | $7,891,044 | $9,542,657 | +$1,651,613 | +20.93% | |
| Geode Capital Management, Llc | 0.00% | 347,330 | $7,423,954 | $8,669,357 | +$1,245,403 | +16.78% | |
| Rhino Investment Partners, Inc | 2.01% | 338,810 | $7,240,370 | $8,456,698 | +$1,216,328 | +16.80% | |
| State Street Corp | 0.00% | 324,822 | $6,941,446 | $8,107,557 | +$1,166,111 | +16.80% | |
| Hillsdale Investment Management Inc. | 0.13% | 221,400 | $4,731,318 | $5,526,144 | +$794,826 | +16.80% | |
| Arrowstreet Capital, Limited Partnership | 0.00% | 199,735 | $4,268,337 | $4,985,386 | +$717,049 | +16.80% | |
| Hotchkis & Wiley Capital Management Llc | 0.01% | 184,088 | $3,933,961 | $4,594,836 | +$660,875 | +16.80% | |
| Bridgeway Capital Management, Llc | 0.07% | 165,923 | $3,545,775 | $4,141,438 | +$595,663 | +16.80% | |
| Morgan Stanley | 0.00% | 132,582 | $2,833,290 | $3,309,247 | +$475,957 | +16.80% | |
| Vanguard Portfolio Management Llc | 0.00% | 120,946 | $2,584,616 | $3,018,812 | +$434,196 | +16.80% | |
| Northern Trust Corp | 0.00% | 116,171 | $2,482,575 | $2,899,628 | +$417,053 | +16.80% | |
| Ejf Capital Lp | 1.64% | 108,857 | $2,326,274 | $2,717,071 | +$390,797 | +16.80% | |
| Empowered Funds, Llc | 0.01% | 101,463 | $2,168,265 | $2,532,516 | +$364,251 | +16.80% | |
| O'Shaughnessy Asset Management, Llc | 0.01% | 94,684 | $2,023,397 | $2,363,313 | +$339,916 | +16.80% | |
| Bank Of New York Mellon Corp | 0.00% | 88,935 | $1,900,536 | $2,219,818 | +$319,282 | +16.80% | |
| Vanguard Fiduciary Trust Co | 0.00% | 82,767 | $1,768,731 | $2,065,864 | +$297,133 | +16.80% | |
| Aqr Capital Management Llc | 0.00% | 77,029 | $1,646,103 | $1,922,644 | +$276,541 | +16.80% | |
| Trexquant Investment Lp | 0.01% | 70,884 | $1,514,791 | $1,769,265 | +$254,474 | +16.80% | |
| Squarepoint Ops Llc | 0.00% | 67,298 | $1,438,158 | $1,679,758 | +$241,600 | +16.80% | |
| Quantinno Capital Management Lp | 0.00% | 66,144 | $1,413,499 | $1,650,954 | +$237,455 | +16.80% | |
| North Reef Capital Management Lp | 0.05% | 64,150 | $1,370,886 | $1,601,184 | +$230,298 | +16.80% | |
| Goldman Sachs Group Inc | 0.00% | 63,588 | $1,358,876 | $1,587,156 | +$228,280 | +16.80% | |
| Connor, Clark & Lunn Investment Management Ltd. | 0.00% | 62,138 | $1,327,889 | $1,550,964 | +$223,075 | +16.80% | |
| Two Sigma Investments, Lp | 0.00% | 60,336 | $1,289,380 | $1,505,987 | +$216,607 | +16.80% | |
| Jacobs Levy Equity Management, Inc | 0.01% | 59,728 | $1,276,387 | $1,490,811 | +$214,424 | +16.80% | |
| Qube Research & Technologies Ltd | 0.00% | 58,968 | $1,260,146 | $1,471,841 | +$211,695 | +16.80% | |
| Kennedy Capital Management Llc | 0.03% | 56,528 | $1,208,003 | $1,410,939 | +$202,936 | +16.80% | |
| Nuveen, Llc | 0.00% | 48,633 | $1,039,287 | $1,213,880 | +$174,593 | +16.80% | |
| First Trust Advisors Lp | 0.00% | 46,073 | $984,580 | $1,149,982 | +$165,402 | +16.80% | |
| Citadel Advisors Llc | 0.00% | 44,585 | $952,781 | $1,112,842 | +$160,061 | +16.80% | |
| Charles Schwab Investment Management Inc | 0.00% | 42,753 | $913,632 | $1,067,115 | +$153,483 | +16.80% | |
| Invesco Ltd. | 0.00% | 41,007 | $876,319 | $1,023,535 | +$147,216 | +16.80% | |
| Ameriprise Financial Inc | 0.00% | 35,851 | $766,136 | $894,841 | +$128,705 | +16.80% | |
| Unison Advisors Llc | 0.05% | 31,955 | $682,878 | $797,597 | +$114,719 | +16.80% | |
| Los Angeles Capital Management Llc | 0.00% | 31,289 | $668,645 | $780,973 | +$112,328 | +16.80% | |
| Bank Of America Corp | 0.00% | 29,634 | $633,278 | $739,665 | +$106,387 | +16.80% | |
| Catalina Capital Group, Llc | 0.39% | 29,605 | $632,659 | $738,941 | +$106,282 | +16.80% | |
| Strs Ohio | 0.00% | 27,400 | $585,538 | $683,904 | +$98,366 | +16.80% | |
| Odyssean, Llc | 0.18% | 23,101 | $493,668 | $576,601 | +$82,933 | +16.80% | |
| Rhumbline Advisers | 0.00% | 20,921 | $447,074 | $522,188 | +$75,114 | +16.80% | |
| D. E. Shaw & Co., Inc. | 0.00% | 18,906 | $404,021 | $471,894 | +$67,873 | +16.80% | |
| Millennium Management Llc | 0.00% | 18,261 | $390,238 | $455,795 | +$65,557 | +16.80% | |
| Commonwealth Equity Services, Llc | 0.00% | 17,432 | $372,520 | $435,103 | +$62,583 | +16.80% | |
| Martingale Asset Management L P | 0.01% | 17,000 | $363,290 | $424,320 | +$61,030 | +16.80% | |
| Sei Investments Co | 0.00% | 16,654 | $355,900 | $415,684 | +$59,784 | +16.80% |
Frequently asked questions about RBB
Who owns the most RBB stock?
The largest holders of RBB are typically major institutional investors such as asset managers and hedge funds reporting on Form 13F. The table above ranks tracked superinvestors by reported position size using the latest available filings for RBB BANCORP (RBB).
Is RBB widely held by superinvestors?
Many widely followed stocks like RBB appear across numerous superinvestor portfolios because of liquidity, index inclusion, and fundamentals. The holder count and table above show how broadly RBB is represented among the institutional managers we track.
What do “Current Estimated Value”, “Gain/loss Since Filing”, and “Estimated Portfolio Performance” mean?
Current Estimated Value is reported share quantity from the latest 13F times our most recent split-adjusted U.S. session close. Gain/loss Since Filing is that estimate minus the reported 13F dollar value; Estimated Portfolio Performance is that difference as a percent of the reported value. Green means the estimate is above the filing value; red means below (not purchase cost). If many filers share the same implied filing price per share, the performance % may match across rows. These are not official fund marks or live quotes.