SIMPLEX TRADING, LLC: MGY position timeline
Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of SIMPLEX TRADING, LLC on MGY, newest first. How the timeline and the estimate are built.
SIMPLEX TRADING, LLC held 16,880 MGY shares at 2026-06-30 per its 13F-HR filed 2026-08-12.
the latest 13F is the newest step
- period ended2026-06-3013F 16,880 sharesChange vs previous 13F -96 shares
0.01% of the 13F portfolio, value $431,790.
13F-HR 0001488542-26-000011 filed by SIMPLEX 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 16,976 sharesChange vs previous 13F +16,976 shares
0.02% of the 13F portfolio, value $535,932.
13F-HR 0001488542-26-000009 filed by SIMPLEX 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 0 sharesChange vs previous 13F -12,053 shares
13F-HR 0001488542-26-000002 filed by SIMPLEX 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 ended2025-09-3013F 12,053 sharesChange vs previous 13F -3,048 shares
0.01% of the 13F portfolio, value $287,000.
13F-HR 0001488542-25-000018 filed by SIMPLEX 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 15,101 sharesChange vs previous 13F +15,101 shares
0.01% of the 13F portfolio, value $339,000.
13F-HR 0001488542-25-000010 filed by SIMPLEX 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 -1,384 shares
13F-HR 0001488542-25-000007 filed by SIMPLEX 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 1,384 sharesChange vs previous 13F -7,308 shares
<0.01% of the 13F portfolio, value $32,000.
13F-HR 0001488542-25-000001 filed by SIMPLEX 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 8,692 sharesChange vs previous 13F not available
0.01% of the 13F portfolio, value $212,000.
13F-HR 0001488542-24-000015 filed by SIMPLEX TRADING, LLC
Filed (acceptance time not in the bulk data set), ingestedAcceptance time not in the bulk data set (spec §4.2).