Filing

13F-HR

13F-HR

0000932540-26-000011·GROUP ONE TRADING LLC

Filing metadata

Accession number: 0000932540-26-000011
Form type: 13F-HR
Filer: GROUP ONE TRADING LLC
CIK: CIK 932540
Filed: Aug 14, 2026
Reporting period: Jun 30, 2026
Description: Institutional holdings

Documents

0000932540-26-000011-index.htm

Complete submission

0000932540-26-000011.txt

directory listing

Filed by

GROUP ONE TRADING LLC