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SIMPLEX TRADING, LLC

CIK
1488542
City
CHICAGO
State / Country
IL

Top Portfolio Positions

1,974 positions · $2,800,875,563 total · as of Mar 31, 2026
Ticker Company Shares Value (USD) % of Portfolio Open

Portfolio Trend

25 quarters · across all stocks

Holdings in OPEN

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Shares Held

Position Value (USD)

20 quarters on record
Report Date Value (USD) Shares
2026-03-31 $1,259,621 269,150
2025-12-31 $1,065,484 182,759
2025-06-30 $545,696 1,023,821
2025-03-31 $344,456 337,702
2024-12-31 $453,084 283,178
2024-09-30 $1,591,482 795,741
2024-06-30 $1,410,961 766,827
2024-03-31 $1,107,583 365,539
2023-09-30 $381,424 144,479
2023-06-30 $49,044 12,200
2023-03-31 $397,913 226,087
2022-12-31 $14,152 12,200
2022-09-30 $73,293 23,567
2022-06-30 $511,383 108,574
2022-03-31 $3,511,138 405,912
2021-12-31 $3,391,506 232,136
2021-09-30 $3,843,955 187,236
2021-06-30 $3,043,620 171,665
2021-03-31 $145,236 6,854
2020-12-31 $187,727 8,259