Rosenberg Matthew Hamilton: CMCSA position timeline
Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of Rosenberg Matthew Hamilton on CMCSA, newest first. How the timeline and the estimate are built.
Rosenberg Matthew Hamilton held 7,277 CMCSA shares at 2026-09-30 per its 13F-HR filed 2026-10-05.
the latest 13F is the newest step
- period ended2026-09-3013F 7,277 sharesChange vs previous 13F +6,209 shares
0.03% of the 13F portfolio, value $158,352.
13F-HR 0001812103-26-000005 filed by Rosenberg Matthew Hamilton
Accepted , ingested - period ended2026-06-3013F 1,068 sharesChange vs previous 13F -2,742 shares
<0.01% of the 13F portfolio, value $26,225.
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 3,810 sharesChange vs previous 13F +1,220 shares
0.02% of the 13F portfolio, value $109,391.
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 2,590 sharesChange vs previous 13F -277 shares
0.02% of the 13F portfolio, value $77,422.
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 2,867 sharesChange vs previous 13F -5,603 shares
0.02% of the 13F portfolio, value $90,088.
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 8,470 sharesChange vs previous 13F +4,218 shares
0.07% of the 13F portfolio, value $302,302.
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 4,252 sharesChange vs previous 13F +746 shares
0.04% of the 13F portfolio, value $156,907.
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 3,506 sharesChange vs previous 13F not available
0.03% of the 13F portfolio, value $131,588.
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).