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Martingale Asset Management’s RBB Bancorp RBB Stock Holding History

Martingale Asset Management’s Portfolio RBB Stock Details RBB Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		$1.07M Buy
38,900
+21,900
+129% +$525K 0.03% 525
2026
Q1 		$363K Sell
17,000
-20,419
-55% -$438K 0.01% 702
2025
Q4 		$772K Buy
+37,419
New +$736K 0.02% 519
2024
Q1 		– Sell
-19,200
Closed -$366K – 858
2023
Q4 		$366K Sell
19,200
-4,728
-20% -$70.6K 0.01% 668
2023
Q3 		$306K Sell
23,928
-525
-2% -$7.14K 0.01% 683
2023
Q2 		$292K Sell
24,453
-9,443
-28% -$114K 0.01% 704
2023
Q1 		$525K Buy
33,896
+11,000
+48% +$211K 0.01% 602
2022
Q4 		$477K Buy
22,896
+4,970
+28% +$108K 0.01% 625
2022
Q3 		$373K Buy
+17,926
New +$390K 0.01% 676
2021
Q3 		– Sell
-20,986
Closed -$509K – 918
2021
Q2 		$509K Buy
20,986
+2,400
+13% +$53.7K 0.01% 588
2021
Q1 		$377K Buy
18,586
+3,600
+24% +$68.5K ﹤0.01% 689
2020
Q4 		$231K Sell
14,986
-6,300
-30% -$89.4K ﹤0.01% 804
2020
Q3 		$242K Sell
21,286
-15,000
-41% -$191K ﹤0.01% 944
2020
Q2 		$496K Hold
36,286
– – 0.01% 877
2020
Q1 		$498K Sell
36,286
-10,114
-22% -$181K 0.01% 814
2019
Q4 		$983K Buy
+46,400
New +$943K 0.01% 771
2019
Q1 		– Sell
-20,133
Closed -$354K – 1051
2018
Q4 		$354K Buy
+20,133
New +$432K ﹤0.01% 900
2018
Q3 		– Sell
-24,502
Closed -$788K – 999
2018
Q2 		$788K Sell
24,502
-33,330
-58% -$980K 0.01% 786
2018
Q1 		$1.53M Buy
57,832
+36,017
+165% +$955K 0.02% 609
2017
Q4 		$598K Buy
+21,815
New +$540K 0.01% 794

Other funds holding RBB

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
American Century Companies
American Century Companies Kansas City, Missouri $226B AUM 44.75% 1-Year Est. Return
Acadian Asset Management
Acadian Asset Management Boston, Massachusetts $84.2B AUM 55.88% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
HIM
Hillsdale Investment Management Toronto, Ontario, Canada $4.39B AUM 72.96% 1-Year Est. Return
Arrowstreet Capital
Arrowstreet Capital Boston, Massachusetts $225B AUM 49.49% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.89T AUM 35.08% 1-Year Est. Return

Martingale Asset Management's RBB Position: Q2 2026 in Review

Martingale Asset Management increased its RBB Bancorp (RBB) stake by 129% in Q2 2026, buying an estimated $525K and bringing the position to 38,900 shares worth $1.07M. The position accounts for 0.03% of the portfolio, ranked #525.

Martingale Asset Management first reported a position in RBB in Q4 2017 and has held it in 20 quarters since. The position peaked at $1.53M in Q1 2018. 145 funds tracked by Wall St. Rank hold RBB as of Q2 2026.

  • Martingale Asset Management held 38,900 shares of RBB Bancorp worth $1.07M as of Q2 2026.
  • Martingale Asset Management bought 21,900 RBB Bancorp shares in Q2 2026, an estimated $525K.
  • RBB Bancorp made up 0.03% of Martingale Asset Management's portfolio in Q2 2026, its #525 holding.
  • Martingale Asset Management first reported a position in RBB Bancorp in Q4 2017 and has held it in 20 quarters since.
  • Martingale Asset Management's RBB Bancorp position peaked at $1.53M in Q1 2018.
  • 145 funds tracked by Wall St. Rank held RBB Bancorp as of Q2 2026.

Based on Martingale Asset Management's 13F filing for Q2 2026, filed 13 Aug 2026.