Cornerstone Management, Inc.: GL position timeline
Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of Cornerstone Management, Inc. on GL, newest first. How the timeline and the estimate are built.
Cornerstone Management, Inc. held 5,220 GL shares at 2026-06-30 per its 13F-HR filed 2026-07-16.
the latest 13F is the newest step
- period ended2026-06-3013F 5,220 sharesChange vs previous 13F 0 shares
0.13% of the 13F portfolio, value $932,710.
13F-HR 0002085853-26-000754 filed by Cornerstone Management, Inc.
Filed (acceptance time not in the bulk data set), ingestedAcceptance time not in the bulk data set (spec §4.2).
- period ended2026-03-3113F 5,220 sharesChange vs previous 13F -3,516 shares
0.12% of the 13F portfolio, value $726,468.
13F-HR 0002085853-26-000394 filed by Cornerstone Management, Inc.
Filed (acceptance time not in the bulk data set), ingestedAcceptance time not in the bulk data set (spec §4.2).
- period ended2025-12-3113F 8,736 sharesChange vs previous 13F 0 shares
0.2% of the 13F portfolio, value $1,221,817.
13F-HR 0002085853-26-000208 filed by Cornerstone Management, Inc.
Filed (acceptance time not in the bulk data set), ingestedAcceptance time not in the bulk data set (spec §4.2).
- period ended2025-09-3013F 8,736 sharesChange vs previous 13F -14,953 shares
0.21% of the 13F portfolio, value $1,248,986.
13F-HR 0002085853-25-000066 filed by Cornerstone Management, Inc.
Filed (acceptance time not in the bulk data set), ingestedAcceptance time not in the bulk data set (spec §4.2).
- period ended2025-06-3013F 23,689 sharesChange vs previous 13F 0 shares
0.51% of the 13F portfolio, value $2,944,306.
13F-HR 0001085146-25-004337 filed by Cornerstone Management, Inc.
Filed (acceptance time not in the bulk data set), ingestedAcceptance time not in the bulk data set (spec §4.2).
- period ended2025-03-3113F 23,689 sharesChange vs previous 13F 0 shares
0.58% of the 13F portfolio, value $3,120,316.
13F-HR 0001085146-25-002220 filed by Cornerstone Management, Inc.
Filed (acceptance time not in the bulk data set), ingestedAcceptance time not in the bulk data set (spec §4.2).
- period ended2024-12-3113F 23,689 sharesChange vs previous 13F -21,019 shares
0.51% of the 13F portfolio, value $2,641,798.
13F-HR 0001085146-25-000477 filed by Cornerstone Management, Inc.
Filed (acceptance time not in the bulk data set), ingestedAcceptance time not in the bulk data set (spec §4.2).
- period ended2024-09-3013F 44,708 sharesChange vs previous 13F not available
0.99% of the 13F portfolio, value $4,735,025.
13F-HR 0001085146-24-004714 filed by Cornerstone Management, Inc.
Filed (acceptance time not in the bulk data set), ingestedAcceptance time not in the bulk data set (spec §4.2).