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RBB Bancorp
RBB

120 hedge funds and large institutions have $201M invested in RBB Bancorp in 2026 Q1 according to their latest regulatory filings, with 16 funds opening new positions, 50 increasing their positions, 34 reducing their positions, and 7 closing their positions.

New
Increased
Maintained
Reduced
Closed

129% more first-time investments, than exits

New positions opened: 16 | Existing positions closed: 7

47% more repeat investments, than reductions

Existing positions increased: 50 | Existing positions reduced: 34

9% more capital invested

Capital invested by funds: $184M → $201M (+$17.4M)

7% more funds holding

Funds holding: 112 → 120 (+8)

3.06% more ownership

Funds ownership: 52.24% → 55.3% (+3.1%)

0% more funds holding in top 10

Funds holding in top 10: 1 → 1 (0)

50% less call options, than puts

Call options by funds: $2K | Put options by funds: $4K

Holders
120
Holders Change
+8
Holders Change %
+7.14%
% of All Funds
1.48%
Holding in Top 10
1
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
0.01%
New
16
Increased
50
Reduced
34
Closed
7
Calls
$2K
Puts
$4K
Net Calls
-$2K
Net Calls Change
+$2K

Top Buyers

1
EC
EJF Capital
Virginia
+$2.33M
2
OSAM
O'Shaughnessy Asset Management
Connecticut
+$2.03M
3
AllianceBernstein
AllianceBernstein
Tennessee
+$1.89M
4
HIM
Hillsdale Investment Management
Ontario, Canada
+$1.54M
5
NRCM
North Reef Capital Management
California
+$1.37M

Top Sellers

1
Millennium Management
Millennium Management
New York
-$908K
2
BlackRock
BlackRock
New York
-$679K
3
ACL
Azora Capital LP
Florida
-$638K
4
Marshall Wace
Marshall Wace
United Kingdom
-$635K
5
Barclays
Barclays
United Kingdom
-$471K
Name Holding Trade Value Shares
Change 		Change in
Stake
Barclays
76
Barclays
United Kingdom
$67.6K -$471K -21,993 -87%
Fidelity Investments
77
Fidelity Investments
Massachusetts
$53.5K +$193 +9 +0.4%
Citigroup
78
Citigroup
New York
$48.9K +$17K +794 +53%
TRCT
79
Tower Research Capital (TRC)
New York
$39.3K +$27.1K +1,264 +219%
Canada Life
80
Canada Life
Manitoba, Canada
$36K +$1.41K +66 +4%
Rockefeller Capital Management
81
Rockefeller Capital Management
New York
$35K +$33.8K +1,577 +2,628%
UBS AM
82
UBS AM
Illinois
$34.5K +$32.4K +1,512 +1,497%
Legal & General Group
83
Legal & General Group
United Kingdom
$31.6K – – –
AIP
84
Ameritas Investment Partners
Nebraska
$28.2K – – –
California State Teachers Retirement System (CalSTRS)
85
California State Teachers Retirement System (CalSTRS)
California
$18.8K -$2.57K -120 -12%
SAM
86
Smartleaf Asset Management
Massachusetts
$17.6K +$3.21K +150 +22%
SOADOR
87
State of Alaska Department of Revenue
Alaska
$17K – – –
SCM
88
Sterling Capital Management
North Carolina
$11.5K -$8.53K -398 -43%
VCM
89
Versant Capital Management
Arizona
$10.8K +$1.16K +54 +12%
FDCDDQ
90
Federation des caisses Desjardins du Quebec
Quebec, Canada
$10.7K – – –
Jones Financial Companies
91
Jones Financial Companies
Missouri
$10.5K +$10.8K +503 New
Royal Bank of Canada
92
Royal Bank of Canada
Ontario, Canada
$10K -$1.52K -71 -13%
PWPS
93
Pinnacle Wealth Planning Services
Ohio
$8.97K – – –
CAL
94
Capital Advisors Ltd
Ohio
$8K – – –
GI
95
GAMMA Investing
California
$7.33K +$2.81K +131 +62%
EP
96
Essential Partners
California
$7.01K -$2.81K -131 -29%
HCA
97
Harbor Capital Advisors
Illinois
$7K +$4.59K +214 +170%
S
98
SignatureFD
Georgia
$4.47K +$2.68K +125 +149%
AAP
99
Arax Advisory Partners
Colorado
$4.08K +$2.31K +108 +130%
Optiver Holding
100
Optiver Holding
Netherlands
$3.98K +$600 +28 +18%
2 3
4
5 6

RBB Hedge Fund Activity: Q1 2026 in Review

120 of the 8,125 institutional investors tracked by Wall St. Rank reported a position in RBB Bancorp (RBB) for Q1 2026, worth a combined $201M — up 9.4% from $184M a quarter earlier.

Buyers outnumbered sellers: 16 funds opened new RBB positions and 7 closed out — a net gain of 9 holders — while 50 added to existing stakes and 34 trimmed.

The largest buyer was EJF Capital, opening a new position worth an estimated $2.33M. The largest seller was Millennium Management, cutting an estimated $908K.

  • 120 institutional investors held RBB Bancorp (RBB) as of Q1 2026, up from 112 in Q4 2025.
  • Funds reported $201M of RBB Bancorp stock for Q1 2026, up 9.4% quarter-over-quarter.
  • 16 funds opened new RBB Bancorp positions in Q1 2026 and 7 closed out, a net change of +9 holders.
  • The largest RBB Bancorp buyer in Q1 2026 was EJF Capital, an estimated $2.33M added.
  • The largest RBB Bancorp seller in Q1 2026 was Millennium Management, an estimated $908K sold.

Based on aggregated 13F filings for Q1 2026.