GROUP ONE TRADING LLC: ACDC position timeline
Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of GROUP ONE TRADING LLC on ACDC, newest first. How the timeline and the estimate are built.
GROUP ONE TRADING LLC held 5,646 ACDC shares at 2026-06-30 per its 13F-HR filed 2026-08-14.
the latest 13F is the newest step
- period ended2026-06-3013F 5,646 sharesChange vs previous 13F -357 shares
<0.01% of the 13F portfolio, value $32,803.
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 6,003 sharesChange vs previous 13F -65,169 shares
<0.01% of the 13F portfolio, value $37,219.
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 71,172 sharesChange vs previous 13F +35,873 shares
0.01% of the 13F portfolio, value $276,859.
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 35,299 sharesChange vs previous 13F +35,299 shares
<0.01% of the 13F portfolio, value $130,606.
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 ended2025-03-3113F 0 sharesChange vs previous 13F -4,035 shares
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).
Exited: the 13F for this period no longer lists the position.
- period ended2024-12-3113F/A 4,035 sharesChange vs previous 13F +3,756 shares
<0.01% of the 13F portfolio, value $31,312.
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).
- period ended2024-09-3013F 279 sharesChange vs previous 13F not available
<0.01% of the 13F portfolio, value $1,894.
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).