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GROUP ONE TRADING LLC

CIK
932540
City
CHICAGO
State / Country
IL

Top Portfolio Positions

1,824 positions · $2,524,842,002 total · as of Mar 31, 2026
Ticker Company Shares Value (USD) % of Portfolio Open

Portfolio Trend

25 quarters · across all stocks

Holdings in COSM

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Shares Held

Position Value (USD)

12 quarters on record
Report Date Value (USD) Shares
2026-03-31 $752 2,373
2025-12-31 $1,191 2,392
2025-09-30 $2,655 2,392
2025-06-30 $1,799 4,284
2025-03-31 $1,867 4,284
2024-12-31 $1,929 2,884
2024-09-30 $1,336 1,526
2024-06-30 $10,276 9,881
2024-03-31 $7,015 9,881
2023-12-31 $16,209 11,496
2023-09-30 $18,048 11,496
2023-06-30 $99,821 33,385