Rosenberg Matthew Hamilton: GSK position timeline
Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of Rosenberg Matthew Hamilton on GSK, newest first. How the timeline and the estimate are built.
Rosenberg Matthew Hamilton held 2,326 GSK shares at 2026-09-30 per its 13F-HR filed 2026-10-05.
the latest 13F is the newest step
- period ended2026-09-3013F 2,326 sharesChange vs previous 13F 0 shares
0.02% of the 13F portfolio, value $112,043.
13F-HR 0001812103-26-000005 filed by Rosenberg Matthew Hamilton
Accepted , ingested - period ended2026-06-3013F 2,326 sharesChange vs previous 13F +950 shares
0.02% of the 13F portfolio, value $121,929.
13F-HR 0001812103-26-000003 filed by Rosenberg Matthew Hamilton
Filed (acceptance time not in the bulk data set), ingestedAcceptance time not in the bulk data set (spec §4.2).
- period ended2026-03-3113F 1,376 sharesChange vs previous 13F 0 shares
0.02% of the 13F portfolio, value $75,941.
13F-HR 0001812103-26-000002 filed by Rosenberg Matthew Hamilton
Filed (acceptance time not in the bulk data set), ingestedAcceptance time not in the bulk data set (spec §4.2).
- period ended2025-12-3113F 1,376 sharesChange vs previous 13F 0 shares
0.01% of the 13F portfolio, value $67,479.
13F-HR 0001812103-26-000001 filed by Rosenberg Matthew Hamilton
Filed (acceptance time not in the bulk data set), ingestedAcceptance time not in the bulk data set (spec §4.2).
- period ended2025-09-3013F 1,376 sharesChange vs previous 13F 0 shares
0.01% of the 13F portfolio, value $59,388.
13F-HR 0001812103-25-000006 filed by Rosenberg Matthew Hamilton
Filed (acceptance time not in the bulk data set), ingestedAcceptance time not in the bulk data set (spec §4.2).
- period ended2025-06-3013F 1,376 sharesChange vs previous 13F -189 shares
0.01% of the 13F portfolio, value $52,838.
13F-HR 0001812103-25-000004 filed by Rosenberg Matthew Hamilton
Filed (acceptance time not in the bulk data set), ingestedAcceptance time not in the bulk data set (spec §4.2).
- period ended2025-03-3113F 1,565 sharesChange vs previous 13F -236 shares
0.02% of the 13F portfolio, value $60,628.
13F-HR 0001812103-25-000003 filed by Rosenberg Matthew Hamilton
Filed (acceptance time not in the bulk data set), ingestedAcceptance time not in the bulk data set (spec §4.2).
- period ended2024-12-3113F 1,801 sharesChange vs previous 13F not available
0.02% of the 13F portfolio, value $60,910.
13F-HR 0001812103-25-000001 filed by Rosenberg Matthew Hamilton
Filed (acceptance time not in the bulk data set), ingestedAcceptance time not in the bulk data set (spec §4.2).