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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 RFIL

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Shares Held

Position Value (USD)

6 quarters on record
Report Date Value (USD) Shares
2026-03-31 $4,350 422
2025-12-31 $13,981 2,419
2025-09-30 $38,014 4,619
2024-12-31 $3,906 999
2024-09-30 $4,075 999
2023-06-30 $1,307 315