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GROUP ONE TRADING LLC

CIK
932540
City
CHICAGO
State / Country
IL

Top Portfolio Positions

1,830 positions · $2,527,955,420 total · as of Mar 31, 2026
Ticker Company Shares Value (USD) % of Portfolio Open

Portfolio Trend

25 quarters · across all stocks

Holdings in PROP

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Shares Held

Position Value (USD)

4 quarters on record
Report Date Value (USD) Shares
2026-03-31 $875,185 431,126
2025-12-31 $82,840 49,018
2025-09-30 $46,578 23,465
2025-03-31 $1,797 336