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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 ZEO

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Shares Held

Position Value (USD)

3 quarters on record
Report Date Value (USD) Shares
2026-03-31 $773 1,348
2025-12-31 $2,442 2,241
2025-09-30 $3,025 2,241