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Disclosery

GAM Holding AG: ATAT position timeline

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

GAM Holding AG held 0 ATAT shares at 2026-03-31 per its 13F-HR filed 2026-08-13.

the latest 13F is the newest step

  1. period ended2026-03-31
    13F 0 shares
    Change vs previous 13F -60,000 shares

    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).

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

  2. period ended2025-12-31
    13F 60,000 shares
    Change vs previous 13F -46,800 shares

    0.15% of the 13F portfolio, value $2,364,000.

    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).

  3. period ended2025-09-30
    13F 106,800 shares
    Change vs previous 13F -52,000 shares

    0.25% of the 13F portfolio, value $4,014,612.

    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).

  4. period ended2025-06-30
    13F 158,800 shares
    Change vs previous 13F +66,800 shares

    0.36% of the 13F portfolio, value $5,162,588.

    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).

  5. period ended2025-03-31
    13F 92,000 shares
    Change vs previous 13F +8,000 shares

    0.2% of the 13F portfolio, value $2,608,200.

    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).

  6. period ended2024-12-31
    13F 84,000 shares
    Change vs previous 13F -16,000 shares

    0.17% of the 13F portfolio, value $2,258,760.

    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).

  7. period ended2024-09-30
    13F 100,000 shares
    Change vs previous 13F not available

    0.21% of the 13F portfolio, value $2,594,000.

    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).