Skip to main content

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 SPIR

Export CSV

Shares Held

Position Value (USD)

8 quarters on record
Report Date Value (USD) Shares
2026-03-31 $117,912 9,373
2025-12-31 $71,280 9,504
2025-09-30 $806,545 73,389
2025-06-30 $813,269 68,342
2025-03-31 $817,955 101,107
2024-12-31 $191,155 13,586
2024-09-30 $89,700 8,979
2023-09-30 $5,124 1,048