Cornerstone Financial Management LLC: MGC position timeline
Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of Cornerstone Financial Management LLC on MGC, newest first. How the timeline and the estimate are built.
Cornerstone Financial Management LLC held 14,553 MGC shares at 2026-06-30 per its 13F-HR/A filed 2026-08-28.
the latest 13F is the newest step
- period ended2026-06-3013F/A 14,553 sharesChange vs previous 13F -380 shares
3.19% of the 13F portfolio, value $3,982,137.
13F-HR/A 0002110329-26-000015 filed by Cornerstone Financial Management 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/A 14,933 sharesChange vs previous 13F -1,005 shares
3.24% of the 13F portfolio, value $3,529,415.
13F-HR/A 0002110329-26-000014 filed by Cornerstone Financial Management 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/A 15,938 sharesChange vs previous 13F not available
3.76% of the 13F portfolio, value $4,003,147.
13F-HR/A 0002110329-26-000013 filed by Cornerstone Financial Management LLC
Filed (acceptance time not in the bulk data set), ingestedAcceptance time not in the bulk data set (spec §4.2).