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

31 quarters · across all stocks

Holdings in OPRA

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Shares Held

Position Value (USD)

13 quarters on record
Report Date Value (USD) Shares
2026-03-31 $466,558 32,718
2025-12-31 $748,695 52,874
2025-09-30 $1,480,610 71,735
2025-06-30 $140,634 7,441
2024-09-30 $316,601 20,492
2024-06-30 $362,063 25,788
2024-03-31 $1,966,099 124,358
2023-12-31 $797,993 60,317
2023-09-30 $523,187 46,423
2023-03-31 $6,468 636
2021-03-31 $42,700 4,270
2020-12-31 $10,736 1,176
2020-09-30 $8,567 876