Weiss Asset Management LP: AMP position timeline
Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of Weiss Asset Management LP on AMP, newest first. How the timeline and the estimate are built.
Weiss Asset Management LP held 16,192 AMP shares at 2026-06-30 per its 13F-HR filed 2026-08-14.
the latest 13F is the newest step
- period ended2026-06-3013F 16,192 sharesChange vs previous 13F +16,192 shares
0.08% of the 13F portfolio, value $7,428,242.
13F-HR 0001357550-26-000029 filed by Weiss Asset Management LP
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 0 sharesChange vs previous 13F -6,776 shares
13F-HR 0001357550-26-000023 filed by Weiss Asset Management LP
Filed (acceptance time not in the bulk data set), ingestedAcceptance time not in the bulk data set (spec §4.2).
Exited: the 13F for this period no longer lists the position.
- period ended2025-12-3113F/A 6,776 sharesChange vs previous 13F +6,776 shares
0.05% of the 13F portfolio, value $3,322,544.
13F-HR 0001357550-26-000011 filed by Weiss Asset Management LP
Filed (acceptance time not in the bulk data set), ingestedAcceptance time not in the bulk data set (spec §4.2).
- period ended2025-03-3113F/A 0 sharesChange vs previous 13F -4,922 shares
13F-HR 0001357550-25-000020 filed by Weiss Asset Management LP
Filed (acceptance time not in the bulk data set), ingestedAcceptance time not in the bulk data set (spec §4.2).
Exited: the 13F for this period no longer lists the position.
- period ended2024-12-3113F/A 4,922 sharesChange vs previous 13F not available
0.06% of the 13F portfolio, value $2,620,620.
13F-HR 0001357550-25-000013 filed by Weiss Asset Management LP
Filed (acceptance time not in the bulk data set), ingestedAcceptance time not in the bulk data set (spec §4.2).