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Disclosery

Weiss Asset Management LP: AMKR position timeline

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

Weiss Asset Management LP held 57,720 AMKR 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 57,720 shares
    Change vs previous 13F -242,280 shares

    0.06% of the 13F portfolio, value $4,977,196.

    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 300,000 shares
    Change vs previous 13F +217,484 shares

    0.25% of the 13F portfolio, value $13,509,000.

    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 82,516 shares
    Change vs previous 13F not available

    0.05% of the 13F portfolio, value $3,257,732.

    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).