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SIMPLEX TRADING, LLC

CIK
1488542
City
CHICAGO
State / Country
IL

Top Portfolio Positions

1,975 positions · $2,814,452,923 total · as of Mar 31, 2026
Ticker Company Shares Value (USD) % of Portfolio Open

Portfolio Trend

25 quarters · across all stocks

Holdings in DDD

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Shares Held

Position Value (USD)

20 quarters on record
Report Date Value (USD) Shares
2026-03-31 $65,309 34,739
2025-12-31 $948 536
2025-09-30 $356,572 122,956
2025-03-31 $242,021 114,161
2024-06-30 $409,384 133,350
2024-03-31 $698,731 157,372
2023-12-31 $96,031 15,123
2023-09-30 $93,461 19,035
2023-06-30 $1,264,823 127,374
2023-03-31 $190,397 17,761
2022-06-30 $249,707 25,743
2022-03-31 $2,280,105 136,697
2021-12-31 $1,904,243 88,405
2021-09-30 $1,266,731 45,946
2021-06-30 $1,827,508 45,722
2021-03-31 $662,017 24,126
2020-12-31 $1,048 100
2020-09-30 $249,285 50,771
2020-06-30 $287,275 41,098
2020-03-31 $326,503 42,348