Skip to content
Disclosery

GAM Holding AG: ZGN position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of GAM Holding AG on ZGN, newest first. How the timeline and the estimate are built.

GAM Holding AG held 857,873 ZGN 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 857,873 shares
    Change vs previous 13F -187,869 shares

    0.86% of the 13F portfolio, value $11,169,506.

    13F-HR 0001172661-26-003710 filed by GAM Holding AG
    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 1,045,742 shares
    Change vs previous 13F +338,806 shares

    0.96% of the 13F portfolio, value $10,896,632.

    13F-HR 0001172661-26-003350 filed by GAM Holding AG
    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 706,936 shares
    Change vs previous 13F 0 shares

    0.46% of the 13F portfolio, value $7,246,094.

    13F-HR 0001172661-26-001215 filed by GAM Holding AG
    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 706,936 shares
    Change vs previous 13F -401 shares

    0.41% of the 13F portfolio, value $6,680,545.

    13F-HR 0001172661-25-004340 filed by GAM Holding AG
    Filed (acceptance time not in the bulk data set), ingested

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

  5. period ended2025-06-30
    13F 707,337 shares
    Change vs previous 13F 0 shares

    0.43% of the 13F portfolio, value $6,047,731.

    13F-HR 0001172661-25-002866 filed by GAM Holding AG
    Filed (acceptance time not in the bulk data set), ingested

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

  6. period ended2025-03-31
    13F 707,337 shares
    Change vs previous 13F 0 shares

    0.41% of the 13F portfolio, value $5,234,294.

    13F-HR 0001172661-25-001528 filed by GAM Holding AG
    Filed (acceptance time not in the bulk data set), ingested

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

  7. period ended2024-12-31
    13F 707,337 shares
    Change vs previous 13F -68,400 shares

    0.44% of the 13F portfolio, value $5,842,604.

    13F-HR 0001172661-25-000446 filed by GAM Holding AG
    Filed (acceptance time not in the bulk data set), ingested

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

  8. period ended2024-09-30
    13F 775,737 shares
    Change vs previous 13F not available

    0.61% of the 13F portfolio, value $7,633,252.

    13F-HR 0001172661-24-004323 filed by GAM Holding AG
    Filed (acceptance time not in the bulk data set), ingested

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