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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 EC

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Shares Held

Position Value (USD)

17 quarters on record
Report Date Value (USD) Shares
2026-03-31 $1,965,863 131,145
2025-06-30 $461,757 52,176
2025-03-31 $434,752 41,643
2024-12-31 $365,991 46,211
2024-06-30 $121,210 10,832
2024-03-31 $1,098,160 92,750
2023-12-31 $943,599 79,161
2023-09-30 $52,353 4,521
2023-06-30 $713,707 69,630
2023-03-31 $1,120,574 106,115
2022-12-31 $44,675 4,267
2022-09-30 $2,705 303
2021-09-30 $57,400 4,000
2021-06-30 $243,686 16,668
2021-03-31 $388,446 30,300
2020-06-30 $31,909 2,867
2020-03-31 $1,902 200