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Weiss Asset Management LP: AIV position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of Weiss Asset Management LP on AIV, newest first. How the timeline and the estimate are built.

Weiss Asset Management LP held 8,150,456 AIV shares at 2026-06-30 per its 13F-HR filed 2026-08-14.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 8,150,456 shares
    Change vs previous 13F 0 shares

    0.27% of the 13F portfolio, value $24,206,854.

    13F-HR 0001357550-26-000029 filed by Weiss Asset Management LP
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).

  2. period ended2026-03-31
    13F/A 8,150,456 shares
    Change vs previous 13F +6,900,456 shares

    0.61% of the 13F portfolio, value $33,172,356.

    13F-HR 0001357550-26-000023 filed by Weiss Asset Management LP
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).

  3. period ended2025-12-31
    13F/A 1,250,000 shares
    Change vs previous 13F +2,423 shares

    0.11% of the 13F portfolio, value $7,425,000.

    13F-HR 0001357550-26-000011 filed by Weiss Asset Management LP
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).

  4. period ended2025-09-30
    13F/A 1,247,577 shares
    Change vs previous 13F not available

    0.14% of the 13F portfolio, value $9,893,286.

    13F-HR 0001357550-25-000038 filed by Weiss Asset Management LP
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).