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GROUP ONE TRADING LLC

CIK
932540
City
CHICAGO
State / Country
IL

Top Portfolio Positions

1,830 positions · $2,527,955,420 total · as of Mar 31, 2026
Ticker Company Shares Value (USD) % of Portfolio Open

Portfolio Trend

25 quarters · across all stocks

Holdings in CYPH

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Shares Held

Position Value (USD)

11 quarters on record
Report Date Value (USD) Shares
2026-03-31 $85,395 107,416
2025-12-31 $187,431 161,579
2025-09-30 $1,731 3,813
2025-06-30 $1,132 3,813
2025-03-31 $1,010 3,313
2024-12-31 $10,470 3,642
2024-09-30 $3,718 1,447
2024-03-31 $2,157 811
2023-12-31 $3,456 834
2023-09-30 $3,521 2,552
2023-06-30 $4,482 1,432