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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 OPRX

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Shares Held

Position Value (USD)

10 quarters on record
Report Date Value (USD) Shares
2026-03-31 $8,063 1,284
2025-12-31 $98,705 8,051
2025-09-30 $198,317 9,674
2025-06-30 $243,027 18,002
2024-12-31 $30,345 6,244
2024-09-30 $67,364 8,726
2024-06-30 $21,610 2,161
2024-03-31 $136,298 11,218
2022-03-31 $3,391,373 89,933
2020-03-31 $33,132 3,657