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Disclosery

First Interstate Bank: BRK-A position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of First Interstate Bank on BRK-A, newest first. How the timeline and the estimate are built.

First Interstate Bank held 3 BRK-A shares at 2026-06-30 per its 13F-HR filed 2026-07-24.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 3 shares
    Change vs previous 13F 0 shares

    0.12% of the 13F portfolio, value $2,246,550.

    13F-HR 0001125727-26-000014 filed by First Interstate Bank
    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 3 shares
    Change vs previous 13F -1 shares

    0.12% of the 13F portfolio, value $2,154,420.

    13F-HR 0001125727-26-000012 filed by First Interstate Bank
    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 4 shares
    Change vs previous 13F 0 shares

    0.16% of the 13F portfolio, value $3,019,200.

    13F-HR 0001125727-26-000009 filed by First Interstate Bank
    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 4 shares
    Change vs previous 13F 0 shares

    0.17% of the 13F portfolio, value $3,016,800.

    13F-HR 0001125727-25-000021 filed by First Interstate Bank
    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 4 shares
    Change vs previous 13F 0 shares

    0.17% of the 13F portfolio, value $2,915,200.

    13F-HR 0001125727-25-000015 filed by First Interstate Bank
    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 4 shares
    Change vs previous 13F -1 shares

    0.19% of the 13F portfolio, value $3,193,766.

    13F-HR 0001125727-25-000007 filed by First Interstate Bank
    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 5 shares
    Change vs previous 13F 0 shares

    0.21% of the 13F portfolio, value $3,404,600.

    13F-HR 0001125727-25-000003 filed by First Interstate Bank
    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 5 shares
    Change vs previous 13F not available

    0.21% of the 13F portfolio, value $3,455,900.

    13F-HR 0001125727-24-000021 filed by First Interstate Bank
    Filed (acceptance time not in the bulk data set), ingested

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