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Coastwise Capital Group, LLC: BRK-B position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of Coastwise Capital Group, LLC on BRK-B, newest first. How the timeline and the estimate are built.

Coastwise Capital Group, LLC held 1,580 BRK-B shares at 2026-06-30 per its 13F-HR filed 2026-07-16.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 1,580 shares
    Change vs previous 13F +484 shares

    0.46% of the 13F portfolio, value $790,616.

    13F-HR 0001934500-26-000007 filed by Coastwise Capital Group, LLC
    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 1,096 shares
    Change vs previous 13F +67 shares

    0.29% of the 13F portfolio, value $525,203.

    13F-HR 0001934500-26-000006 filed by Coastwise Capital Group, LLC
    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 1,029 shares
    Change vs previous 13F -4 shares

    0.26% of the 13F portfolio, value $517,227.

    13F-HR 0001934500-26-000005 filed by Coastwise Capital Group, LLC
    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 1,033 shares
    Change vs previous 13F +310 shares

    0.37% of the 13F portfolio, value $519,330.

    13F-HR 0001934500-25-000011 filed by Coastwise Capital Group, LLC
    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 723 shares
    Change vs previous 13F -1,828 shares

    0.28% of the 13F portfolio, value $351,212.

    13F-HR 0001934500-25-000006 filed by Coastwise Capital Group, LLC
    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 2,551 shares
    Change vs previous 13F -160 shares

    1.14% of the 13F portfolio, value $1,358,612.

    13F-HR 0001934500-25-000004 filed by Coastwise Capital Group, LLC
    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 2,711 shares
    Change vs previous 13F -92 shares

    0.98% of the 13F portfolio, value $1,228,842.

    13F-HR 0001962780-25-000001 filed by Coastwise Capital Group, LLC
    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 2,803 shares
    Change vs previous 13F not available

    1.06% of the 13F portfolio, value $1,290,109.

    13F-HR 0001934500-24-000012 filed by Coastwise Capital Group, LLC
    Filed (acceptance time not in the bulk data set), ingested

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