GROUP ONE TRADING LLC: CPER position timeline
Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of GROUP ONE TRADING LLC on CPER, newest first. How the timeline and the estimate are built.
GROUP ONE TRADING LLC held 133,301 CPER shares at 2026-06-30 per its 13F-HR filed 2026-08-14.
the latest 13F is the newest step
- period ended2026-06-3013F 133,301 sharesChange vs previous 13F +85,464 shares
0.14% of the 13F portfolio, value $5,029,447.
13F-HR 0000932540-26-000011 filed by GROUP ONE TRADING LLC
Filed (acceptance time not in the bulk data set), ingestedAcceptance time not in the bulk data set (spec §4.2).
- period ended2026-03-3113F 47,837 sharesChange vs previous 13F -27,980 shares
0.05% of the 13F portfolio, value $1,647,028.
13F-HR 0000932540-26-000005 filed by GROUP ONE TRADING LLC
Filed (acceptance time not in the bulk data set), ingestedAcceptance time not in the bulk data set (spec §4.2).
- period ended2025-12-3113F 75,817 sharesChange vs previous 13F +74,152 shares
0.08% of the 13F portfolio, value $2,650,562.
13F-HR 0000932540-26-000002 filed by GROUP ONE TRADING LLC
Filed (acceptance time not in the bulk data set), ingestedAcceptance time not in the bulk data set (spec §4.2).
- period ended2025-09-3013F 1,665 sharesChange vs previous 13F +1,665 shares
<0.01% of the 13F portfolio, value $49,950.
13F-HR 0000932540-25-000040 filed by GROUP ONE TRADING LLC
Filed (acceptance time not in the bulk data set), ingestedAcceptance time not in the bulk data set (spec §4.2).
- period ended2025-06-3013F 0 sharesChange vs previous 13F -4,503 shares
13F-HR 0000932540-25-000034 filed by GROUP ONE TRADING LLC
Filed (acceptance time not in the bulk data set), ingestedAcceptance time not in the bulk data set (spec §4.2).
Exited: the 13F for this period no longer lists the position.
- period ended2025-03-3113F 4,503 sharesChange vs previous 13F +4,503 shares
0.01% of the 13F portfolio, value $142,295.
13F-HR 0000932540-25-000027 filed by GROUP ONE TRADING LLC
Filed (acceptance time not in the bulk data set), ingestedAcceptance time not in the bulk data set (spec §4.2).
- period ended2024-12-3113F/A 0 sharesChange vs previous 13F -17,004 shares
13F-HR/A 0000932540-25-000028 filed by GROUP ONE TRADING LLC
Filed (acceptance time not in the bulk data set), ingestedAcceptance time not in the bulk data set (spec §4.2).
Exited: the 13F for this period no longer lists the position.
- period ended2024-09-3013F 17,004 sharesChange vs previous 13F not available
0.02% of the 13F portfolio, value $482,063.
13F-HR 0000932540-24-000015 filed by GROUP ONE TRADING LLC
Filed (acceptance time not in the bulk data set), ingestedAcceptance time not in the bulk data set (spec §4.2).