Acadian Asset Management
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Acadian Asset Management’s RBB Bancorp RBB Stock Holding History

Acadian 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 		$11M Buy
400,451
+302,866
+310% +$7.26M 0.01% 570
2026
Q1 		$2.08M Buy
97,585
+50,662
+108% +$1.09M ﹤0.01% 945
2025
Q4 		$967K Buy
+46,923
New +$922K ﹤0.01% 1125
2022
Q3 		– Sell
-2,896
Closed -$60K – 1811
2022
Q2 		$60K Sell
2,896
-23,573
-89% -$509K ﹤0.01% 1466
2022
Q1 		$620K Buy
26,469
+7,161
+37% +$184K ﹤0.01% 939
2021
Q4 		$504K Buy
19,308
+3,967
+26% +$101K ﹤0.01% 1009
2021
Q3 		$386K Sell
15,341
-5,125
-25% -$126K ﹤0.01% 1122
2021
Q2 		$496K Buy
20,466
+4,748
+30% +$106K ﹤0.01% 1160
2021
Q1 		$318K Sell
15,718
-3,773
-19% -$71.8K ﹤0.01% 1345
2020
Q4 		$300K Buy
19,491
+3,558
+22% +$50.5K ﹤0.01% 1404
2020
Q3 		$181K Sell
15,933
-12,927
-45% -$164K ﹤0.01% 1491
2020
Q2 		$394K Sell
28,860
-7,658
-21% -$98.8K ﹤0.01% 1269
2020
Q1 		$501K Buy
36,518
+4,544
+14% +$81.4K ﹤0.01% 961
2019
Q4 		$678K Buy
31,974
+8,706
+37% +$177K ﹤0.01% 995
2019
Q3 		$459K Buy
23,268
+4,587
+25% +$87.6K ﹤0.01% 1103
2019
Q2 		$361K Buy
18,681
+4,812
+35% +$93K ﹤0.01% 1089
2019
Q1 		$261K Sell
13,869
-1,164
-8% -$23K ﹤0.01% 1289
2018
Q4 		$264K Sell
15,033
-1,811
-11% -$38.9K ﹤0.01% 1059
2018
Q3 		$413K Sell
16,844
-22,063
-57% -$657K ﹤0.01% 923
2018
Q2 		$1.25M Buy
38,907
+23,792
+157% +$700K 0.01% 680
2018
Q1 		$399K Buy
15,115
+14,295
+1,743% +$379K ﹤0.01% 916
2017
Q4 		$22K Buy
+820
New +$20.3K ﹤0.01% 1357

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
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
Qube Research & Technologies (QRT)
Qube Research & Technologies (QRT) London, United Kingdom $108B AUM 37.29% 1-Year Est. Return

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

Acadian Asset Management increased its RBB Bancorp (RBB) stake by 310% in Q2 2026, buying an estimated $7.26M and bringing the position to 400,451 shares worth $11M. The position accounts for 0.01% of the portfolio, ranked #570.

Acadian Asset Management first reported a position in RBB in Q4 2017 and has held it in 22 quarters since. 144 funds tracked by Wall St. Rank hold RBB as of Q2 2026.

  • Acadian Asset Management held 400,451 shares of RBB Bancorp worth $11M as of Q2 2026.
  • Acadian Asset Management bought 302,866 RBB Bancorp shares in Q2 2026, an estimated $7.26M.
  • RBB Bancorp made up 0.01% of Acadian Asset Management's portfolio in Q2 2026, its #570 holding.
  • Acadian Asset Management first reported a position in RBB Bancorp in Q4 2017 and has held it in 22 quarters since.
  • 144 funds tracked by Wall St. Rank held RBB Bancorp as of Q2 2026.

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