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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 CPSH

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Shares Held

Position Value (USD)

9 quarters on record
Report Date Value (USD) Shares
2026-03-31 $28,453 7,608
2025-09-30 $6,240 1,748
2025-06-30 $14,237 5,140
2025-03-31 $4,442 2,794
2024-12-31 $161 100
2024-09-30 $142 100
2024-06-30 $170 100
2024-03-31 $185 100
2021-12-31 $7,674 2,025