GROUP ONE TRADING LLC: CASY position timeline
Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of GROUP ONE TRADING LLC on CASY, newest first. How the timeline and the estimate are built.
GROUP ONE TRADING LLC held 225 CASY shares at 2026-06-30 per its 13F-HR filed 2026-08-14.
the latest 13F is the newest step
- period ended2026-06-3013F 225 sharesChange vs previous 13F -424 shares
0.01% of the 13F portfolio, value $178,828.
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 649 sharesChange vs previous 13F -816 shares
0.02% of the 13F portfolio, value $472,381.
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 1,465 sharesChange vs previous 13F +1,319 shares
0.02% of the 13F portfolio, value $809,720.
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 146 sharesChange vs previous 13F -296 shares
<0.01% of the 13F portfolio, value $82,537.
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 442 sharesChange vs previous 13F +442 shares
0.01% of the 13F portfolio, value $225,539.
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).
- period ended2024-12-3113F/A 0 sharesChange vs previous 13F -663 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 663 sharesChange vs previous 13F not available
0.01% of the 13F portfolio, value $249,096.
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).