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Disclosery

Columbia Asset Management: BATRK position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of Columbia Asset Management on BATRK, newest first. How the timeline and the estimate are built.

Columbia Asset Management held 41,405 BATRK shares at 2026-06-30 per its 13F-HR filed 2026-07-21.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 41,405 shares
    Change vs previous 13F +2,765 shares

    0.37% of the 13F portfolio, value $2,148,920.

    13F-HR 0002085853-26-000792 filed by Columbia Asset Management
    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 38,640 shares
    Change vs previous 13F +245 shares

    0.31% of the 13F portfolio, value $1,649,928.

    13F-HR 0002085853-26-000430 filed by Columbia Asset Management
    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 38,395 shares
    Change vs previous 13F +6,710 shares

    0.27% of the 13F portfolio, value $1,514,683.

    13F-HR 0002085853-26-000122 filed by Columbia Asset Management
    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 31,685 shares
    Change vs previous 13F +4,210 shares

    0.25% of the 13F portfolio, value $1,317,779.

    13F-HR 0002085853-25-000221 filed by Columbia Asset Management
    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 27,475 shares
    Change vs previous 13F +7,700 shares

    0.25% of the 13F portfolio, value $1,285,006.

    13F-HR 0001667731-25-000872 filed by Columbia Asset Management
    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 19,775 shares
    Change vs previous 13F not available

    0.16% of the 13F portfolio, value $791,198.

    13F-HR 0001667731-25-000412 filed by Columbia Asset Management
    Filed (acceptance time not in the bulk data set), ingested

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