GROUP ONE TRADING LLC: PRGO position timeline
Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of GROUP ONE TRADING LLC on PRGO, newest first. How the timeline and the estimate are built.
GROUP ONE TRADING LLC held 13,567 PRGO shares at 2026-06-30 per its 13F-HR filed 2026-08-14.
the latest 13F is the newest step
- period ended2026-06-3013F 13,567 sharesChange vs previous 13F -2,455 shares
<0.01% of the 13F portfolio, value $140,961.
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 16,022 sharesChange vs previous 13F +5,600 shares
0.01% of the 13F portfolio, value $172,076.
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 10,422 sharesChange vs previous 13F -38,648 shares
<0.01% of the 13F portfolio, value $145,074.
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 49,070 sharesChange vs previous 13F +6,113 shares
0.03% of the 13F portfolio, value $1,092,789.
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 42,957 sharesChange vs previous 13F -6,006 shares
0.04% of the 13F portfolio, value $1,147,811.
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 ended2025-03-3113F 48,963 sharesChange vs previous 13F +48,963 shares
0.06% of the 13F portfolio, value $1,372,923.
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 ended2024-09-3013F 0 sharesChange vs previous 13F not available
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).
Exited: the 13F for this period no longer lists the position.