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Disclosery

Aquamarine Zurich AG: AXP position timeline

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

Aquamarine Zurich AG held 65,000 AXP shares at 2026-06-30 per its 13F-HR filed 2026-07-10.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 65,000 shares
    Change vs previous 13F 0 shares

    15.26% of the 13F portfolio, value $21,986,000.

    13F-HR 0001953324-26-000003 filed by Aquamarine Zurich 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 65,000 shares
    Change vs previous 13F 0 shares

    14.53% of the 13F portfolio, value $19,661,000.

    13F-HR 0001953324-26-000002 filed by Aquamarine Zurich 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 65,000 shares
    Change vs previous 13F -145,000 shares

    16.3% of the 13F portfolio, value $24,047,000.

    13F-HR 0001953324-26-000001 filed by Aquamarine Zurich 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 210,000 shares
    Change vs previous 13F 0 shares

    21.98% of the 13F portfolio, value $69,754,000.

    13F-HR 0001953324-25-000007 filed by Aquamarine Zurich 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/A 210,000 shares
    Change vs previous 13F 0 shares

    21.62% of the 13F portfolio, value $66,986,000.

    13F-HR/A 0001953324-25-000006 filed by Aquamarine Zurich 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/A 210,000 shares
    Change vs previous 13F 0 shares

    19.24% of the 13F portfolio, value $56,501,000.

    13F-HR/A 0001953324-25-000005 filed by Aquamarine Zurich 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 210,000 shares
    Change vs previous 13F 0 shares

    21.67% of the 13F portfolio, value $62,326,000.

    13F-HR 0001953324-25-000001 filed by Aquamarine Zurich 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 210,000 shares
    Change vs previous 13F not available

    19.94% of the 13F portfolio, value $56,952,000.

    13F-HR 0001953324-24-000005 filed by Aquamarine Zurich AG
    Filed (acceptance time not in the bulk data set), ingested

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