GROUP ONE TRADING LLC

CIK
932540
City
CHICAGO
State / Country
IL

Top Portfolio Positions

1,818 positions · $2,513,815,969 total · as of Mar 31, 2026
Ticker Company Shares Value (USD) % of Portfolio Open

Portfolio Trend

31 quarters · across all stocks

Holdings in CLLS

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Shares Held

Position Value (USD)

6 quarters on record
Report Date Value (USD) Shares
2026-03-31 $307 97
2025-12-31 $469 97
2024-03-31 $4,035 1,523
2023-12-31 $1,016 330
2020-09-30 $3,700 200
2020-06-30 $3,560 200