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

31 quarters · across all stocks

Holdings in PRQR

Export CSV

Shares Held

Position Value (USD)

16 quarters on record
Report Date Value (USD) Shares
2026-03-31 $30,656 18,924
2025-12-31 $61,383 30,388
2025-06-30 $7,223 3,541
2024-06-30 $6,789 4,090
2024-03-31 $22,190 9,690
2023-12-31 $36,443 18,406
2023-09-30 $12,695 9,766
2023-06-30 $6,305 3,892
2022-09-30 $30,597 41,126
2022-06-30 $46,038 59,176
2022-03-31 $38,161 42,167
2021-12-31 $401,317 50,102
2021-09-30 $6,955 831
2021-06-30 $113,892 16,898
2020-06-30 $34,656 5,700
2020-03-31 $30,853 5,620