Simplex Trading
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Simplex Trading’s RBB Bancorp RBB Stock Holding History

Simplex Trading’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 		$2.74K Buy
+100
New +$2.4K ﹤0.01% 8494

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

Simplex Trading's RBB Position: Q2 2026 in Review

Simplex Trading opened a new position in RBB Bancorp (RBB) in Q2 2026: 386 shares worth $10.6K. The stake represents ﹤0.01% of the portfolio and ranks #7656 among its holdings. This is a return to the name: Simplex Trading previously reported a position in RBB as recently as Q4 2023.

Simplex Trading first reported a position in RBB in Q1 2023 and has held it in 5 quarters since. The position peaked at $114K in Q3 2023. 145 funds tracked by Wall St. Rank hold RBB as of Q2 2026.

  • Simplex Trading held 386 shares of RBB Bancorp worth $10.6K as of Q2 2026.
  • RBB Bancorp was a new Simplex Trading position in Q2 2026.
  • RBB Bancorp made up ﹤0.01% of Simplex Trading's portfolio in Q2 2026, its #7656 holding.
  • Simplex Trading first reported a position in RBB Bancorp in Q1 2023 and has held it in 5 quarters since.
  • Simplex Trading's RBB Bancorp position peaked at $114K in Q3 2023.
  • 145 funds tracked by Wall St. Rank held RBB Bancorp as of Q2 2026.

Based on Simplex Trading's 13F filing for Q2 2026, filed 12 Aug 2026.