GROUP ONE TRADING, L.P.

CIK
0000932540
City
CHICAGO
State / Country
IL

Holdings in ZLAB

Position Over Time

Report Date Value (USD) Shares
2025-12-31 $335,724 19,032
2025-03-31 $20,129 557
2024-12-31 $131,735 5,030
2024-09-30 $98,587 4,084
2024-06-30 $50,898 2,937
2023-09-30 $235,855 9,702
2023-06-30 $204,896 7,389
2023-03-31 $147,807 4,444
2022-12-31 $790,924 25,763
2022-09-30 $39,569 1,157
2022-06-30 $116,420 3,357
2022-03-31 $665,901 15,141
2021-12-31 $5,000,471 79,562
2021-09-30 $1,041,358 9,881
2021-03-31 $55,506 416