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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 REI

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Shares Held

Position Value (USD)

16 quarters on record
Report Date Value (USD) Shares
2026-03-31 $64,991 42,478
2025-12-31 $22,981 26,416
2025-09-30 $28,875 26,491
2024-12-31 $37,389 27,492
2024-09-30 $110,456 69,035
2024-06-30 $71,066 42,051
2024-03-31 $186,588 95,198
2022-12-31 $9,935 4,039
2022-09-30 $49,905 21,511
2022-06-30 $26,687 10,033
2022-03-31 $313,969 82,191
2021-12-31 $50,435 22,121
2021-09-30 $269,329 91,298
2021-06-30 $261,751 87,836
2021-03-31 $112,970 48,905
2020-03-31 $370 562