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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
AB
126
Amalgamated Bank
New York
– -$11K -510 Closed
C
127
Covestor
United Kingdom
– -$343 -16 -50%
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.