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GROUP ONE TRADING LLC

CIK
932540
City
CHICAGO
State / Country
IL

Top Portfolio Positions

1,828 positions · $2,528,937,297 total · as of Mar 31, 2026
Ticker Company Shares Value (USD) % of Portfolio Open

Portfolio Trend

25 quarters · across all stocks

Holdings in AIFC

Export CSV

Shares Held

Position Value (USD)

5 quarters on record
Report Date Value (USD) Shares
2026-03-31 $72,343 65,174
2025-12-31 $675 614
2025-09-30 $580,636 215,850
2025-06-30 $41,644 5,744
2025-03-31 $11,640 3,000