Ken Griffin
RBB icon

Ken Griffin’s RBB Bancorp RBB Stock Holding History

Ken Griffin’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
2025
Q2 		– Sell
-100
Closed -$1.65K – 14628
2025
Q1 		$1.65K Hold
100
– – ﹤0.01% 14116
2024
Q4 		$2.05K Buy
+100
New +$2.31K ﹤0.01% 14120

Other funds holding RBB

FCM
FJ Capital Management Mclean, Virginia $888M AUM 18.97% 1-Year Est. Return
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
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
American Century Companies
American Century Companies Kansas City, Missouri $226B AUM 44.75% 1-Year Est. Return
AllianceBernstein
AllianceBernstein Nashville, Tennessee $309B AUM 23.92% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
RIP
Rhino Investment Partners West Conshohocken, Pennsylvania $359M AUM 22.33% 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

Ken Griffin's RBB Position: Q1 2026 in Review

Ken Griffin increased its RBB Bancorp (RBB) stake by 105% in Q1 2026, buying an estimated $489K and bringing the position to 44,585 shares worth $953K. The position accounts for ﹤0.01% of the portfolio, ranked #7769.

Ken Griffin first reported a position in RBB in Q3 2018 and has held it in 21 quarters since. The position peaked at $1.53M in Q2 2025. 120 funds tracked by Wall St. Rank hold RBB as of Q1 2026.

  • Ken Griffin held 44,585 shares of RBB Bancorp worth $953K as of Q1 2026.
  • Ken Griffin bought 22,836 RBB Bancorp shares in Q1 2026, an estimated $489K.
  • RBB Bancorp made up ﹤0.01% of Ken Griffin's portfolio in Q1 2026, its #7769 holding.
  • Ken Griffin first reported a position in RBB Bancorp in Q3 2018 and has held it in 21 quarters since.
  • Ken Griffin's RBB Bancorp position peaked at $1.53M in Q2 2025.
  • 120 funds tracked by Wall St. Rank held RBB Bancorp as of Q1 2026.

Based on Citadel Advisors's 13F filing for Q1 2026, filed 15 May 2026.