SIMPLEX TRADING, LLC

CIK
1488542
City
CHICAGO
State / Country
IL

Top Portfolio Positions

1,972 positions · $2,794,191,358 total · as of Mar 31, 2026
Ticker Company Shares Value (USD) % of Portfolio Open

Portfolio Trend

36 quarters · across all stocks

Holdings in YRD

Export CSV

Shares Held

Position Value (USD)

17 quarters on record
Report Date Value (USD) Shares
2026-03-31 $3,305 1,922
2025-12-31 $14,119 3,816
2025-09-30 $91,814 15,483
2025-06-30 $11,358 1,935
2025-03-31 $57,035 8,290
2024-09-30 $21,559 3,789
2024-03-31 $1,429 317
2023-12-31 $159 51
2023-09-30 $29 12
2022-09-30 $4,532 4,236
2022-06-30 $3,238 1,799
2022-03-31 $4,145 1,632
2021-09-30 $62,884 20,892
2021-06-30 $142,424 23,698
2021-03-31 $155,755 30,721
2020-12-31 $7,020 2,102
2020-03-31 $14,704 3,667