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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 NEOG

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Shares Held

Position Value (USD)

9 quarters on record
Report Date Value (USD) Shares
2026-03-31 $517,945 55,753
2025-09-30 $12,756 2,234
2024-12-31 $110,449 9,098
2024-09-30 $201,030 11,959
2024-06-30 $147,078 9,410
2022-12-31 $55,452 3,641
2022-09-30 $528,163 37,807
2020-06-30 $3,880 100
2020-03-31 $234 7