Rosenberg Matthew Hamilton: BKR position timeline
Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of Rosenberg Matthew Hamilton on BKR, newest first. How the timeline and the estimate are built.
Rosenberg Matthew Hamilton held 6,794 BKR shares at 2026-09-30 per its 13F-HR filed 2026-10-05.
the latest 13F is the newest step
- period ended2026-09-3013F 6,794 sharesChange vs previous 13F 0 shares
0.07% of the 13F portfolio, value $372,991.
13F-HR 0001812103-26-000005 filed by Rosenberg Matthew Hamilton
Accepted , ingested - period ended2026-06-3013F 6,794 sharesChange vs previous 13F 0 shares
0.07% of the 13F portfolio, value $377,067.
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 6,794 sharesChange vs previous 13F 0 shares
0.08% of the 13F portfolio, value $414,774.
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 6,794 sharesChange vs previous 13F 0 shares
0.06% of the 13F portfolio, value $309,399.
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 6,794 sharesChange vs previous 13F 0 shares
0.07% of the 13F portfolio, value $331,004.
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 6,794 sharesChange vs previous 13F -347 shares
0.06% of the 13F portfolio, value $260,482.
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 7,141 sharesChange vs previous 13F 0 shares
0.08% of the 13F portfolio, value $313,847.
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 7,141 sharesChange vs previous 13F not available
0.08% of the 13F portfolio, value $292,924.
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).