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Disclosery

Alta Advisers Ltd: BLK position timeline

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

Alta Advisers Ltd held 564 BLK 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 564 shares
    Change vs previous 13F 0 shares

    0.12% of the 13F portfolio, value $542,320.

    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 564 shares
    Change vs previous 13F 0 shares

    0.2% of the 13F portfolio, value $542,404.

    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 564 shares
    Change vs previous 13F -220 shares

    0.22% of the 13F portfolio, value $603,672.

    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 784 shares
    Change vs previous 13F 0 shares

    0.28% of the 13F portfolio, value $914,042.

    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).

  5. period ended2025-06-30
    13F 784 shares
    Change vs previous 13F 0 shares

    0.29% of the 13F portfolio, value $822,612.

    13F-HR 0000904454-25-000381 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).

  6. period ended2025-03-31
    13F 784 shares
    Change vs previous 13F not available

    0.32% of the 13F portfolio, value $742,040.

    13F-HR 0000904454-25-000224 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).