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GROUP ONE TRADING LLC

CIK
932540
City
CHICAGO
State / Country
IL

Top Portfolio Positions

1,823 positions · $2,513,864,968 total · as of Mar 31, 2026
Ticker Company Shares Value (USD) % of Portfolio Open

Portfolio Trend

25 quarters · across all stocks

Holdings in KPTI

Export CSV

Shares Held

Position Value (USD)

4 quarters on record
Report Date Value (USD) Shares
2026-03-31 $1,066,805 191,527
2025-12-31 $753,803 102,419
2025-09-30 $447,571 68,436
2025-06-30 $421,949 97,900