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Disclosery

Weiss Asset Management LP: OGN position timeline

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

Weiss Asset Management LP held 0 OGN shares at 2026-03-31 per its 13F-HR filed 2026-05-15.

the latest 13F is the newest step

  1. period ended2026-03-31
    13F/A 0 shares
    Change vs previous 13F -68,904 shares

    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).

    Exited: the 13F for this period no longer lists the position.

  2. period ended2025-12-31
    13F/A 68,904 shares
    Change vs previous 13F -33,296 shares

    0.01% of the 13F portfolio, value $494,042.

    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).

  3. period ended2025-09-30
    13F/A 102,200 shares
    Change vs previous 13F +102,200 shares

    0.02% of the 13F portfolio, value $1,091,496.

    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).

  4. period ended2025-06-30
    13F/A 0 shares
    Change vs previous 13F -33,938 shares

    13F-HR 0001357550-25-000027 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).

    Exited: the 13F for this period no longer lists the position.

  5. period ended2025-03-31
    13F/A 33,938 shares
    Change vs previous 13F +33,938 shares

    0.01% of the 13F portfolio, value $505,337.

    13F-HR 0001357550-25-000020 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).

  6. period ended2024-12-31
    13F/A 0 shares
    Change vs previous 13F -1,723,243 shares

    13F-HR 0001357550-25-000013 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).

    Exited: the 13F for this period no longer lists the position.

  7. period ended2024-09-30
    13F/A 1,723,243 shares
    Change vs previous 13F not available

    0.84% of the 13F portfolio, value $32,965,639.

    13F-HR 0001357550-24-000029 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).