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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 WEST

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Shares Held

Position Value (USD)

11 quarters on record
Report Date Value (USD) Shares
2026-03-31 $15,431 3,631
2025-12-31 $21,693 5,330
2025-09-30 $3,747 771
2025-06-30 $91,410 15,953
2025-03-31 $153,114 21,207
2023-12-31 $121,570 11,907
2023-09-30 $273,437 30,862
2023-06-30 $10 1
2023-03-31 $12 1
2022-12-31 $279,344 20,909
2022-09-30 $251,824 24,378