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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 ABEO

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Shares Held

Position Value (USD)

11 quarters on record
Report Date Value (USD) Shares
2026-03-31 $939,039 209,607
2025-12-31 $1,707,406 323,986
2025-09-30 $253,440 48,000
2025-06-30 $220,719 38,859
2025-03-31 $54,211 11,389
2024-12-31 $27,293 4,900
2024-06-30 $26,639 6,283
2024-03-31 $12,738 1,757
2023-12-31 $3,837 766
2023-09-30 $42,100 10,000
2022-09-30 $10,630 3,497