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SKY-MOUNTAIN CAPITAL MANAGEMENT, INC.: BRK-B position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of SKY-MOUNTAIN CAPITAL MANAGEMENT, INC. on BRK-B, newest first. How the timeline and the estimate are built.

SKY-MOUNTAIN CAPITAL MANAGEMENT, INC. held 2,730 BRK-B shares at 2026-06-30 per its 13F-HR filed 2026-07-31.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 2,730 shares
    Change vs previous 13F 0 shares

    0.98% of the 13F portfolio, value $1,366,261.

    13F-HR 0002065074-26-000003 filed by SKY-MOUNTAIN CAPITAL MANAGEMENT, INC.
    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 2,730 shares
    Change vs previous 13F -55 shares

    0.94% of the 13F portfolio, value $1,308,404.

    13F-HR 0002065074-26-000002 filed by SKY-MOUNTAIN CAPITAL MANAGEMENT, INC.
    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 2,785 shares
    Change vs previous 13F +504 shares

    0.9% of the 13F portfolio, value $1,346,654.

    13F-HR 0002065074-26-000001 filed by SKY-MOUNTAIN CAPITAL MANAGEMENT, INC.
    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 2,281 shares
    Change vs previous 13F -50 shares

    0.78% of the 13F portfolio, value $1,121,819.

    13F-HR 0002065074-25-000001 filed by SKY-MOUNTAIN CAPITAL MANAGEMENT, INC.
    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 2,331 shares
    Change vs previous 13F 0 shares

    0.71% of the 13F portfolio, value $1,075,687.

    13F-HR 0001085146-25-004842 filed by SKY-MOUNTAIN CAPITAL MANAGEMENT, INC.
    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 2,331 shares
    Change vs previous 13F not available

    1.05% of the 13F portfolio, value $1,241,444.

    13F-HR 0001085146-25-002544 filed by SKY-MOUNTAIN CAPITAL MANAGEMENT, INC.
    Filed (acceptance time not in the bulk data set), ingested

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