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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 CMPS

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Shares Held

Position Value (USD)

18 quarters on record
Report Date Value (USD) Shares
2026-03-31 $1,049,334 189,753
2025-12-31 $162,350 23,529
2025-09-30 $537,594 93,821
2025-06-30 $329,512 117,683
2025-03-31 $138,106 48,289
2024-09-30 $1,511,256 239,882
2024-06-30 $275,520 45,616
2024-03-31 $119,832 14,403
2023-12-31 $262,395 29,988
2023-06-30 $200,790 24,250
2023-03-31 $1,301,783 131,096
2022-12-31 $433,210 53,949
2022-09-30 $505,458 47,107
2022-06-30 $542,006 50,093
2022-03-31 $2,167,182 168,129
2021-12-31 $2,382,888 107,823
2021-09-30 $549,667 18,402
2020-12-31 $164,500 3,453