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Disclosery

Alta Advisers Ltd: STX position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of Alta Advisers Ltd on STX, newest first. How the timeline and the estimate are built.

Alta Advisers Ltd held 12,166 STX shares at 2026-06-30 per its 13F-HR filed 2026-08-12.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 12,166 shares
    Change vs previous 13F +11,355 shares

    2.66% of the 13F portfolio, value $11,740,190.

    13F-HR 0000904454-26-000442 filed by Alta Advisers Ltd
    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 811 shares
    Change vs previous 13F 0 shares

    0.11% of the 13F portfolio, value $317,717.

    13F-HR 0000904454-26-000252 filed by Alta Advisers Ltd
    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 811 shares
    Change vs previous 13F -400 shares

    0.08% of the 13F portfolio, value $223,341.

    13F-HR 0000904454-26-000078 filed by Alta Advisers Ltd
    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 1,211 shares
    Change vs previous 13F not available

    0.09% of the 13F portfolio, value $285,869.

    13F-HR 0000904454-25-000547 filed by Alta Advisers Ltd
    Filed (acceptance time not in the bulk data set), ingested

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