Skip to content

TAGStone Capital, Inc.: BRK-B position timeline

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

TAGStone Capital, Inc. held 23,836 BRK-B shares at 2026-06-30 per its 13F-HR filed 2026-08-11.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 23,836 shares
    Change vs previous 13F +64 shares

    3.79% of the 13F portfolio, value $11,927,174.

    13F-HR 0001903044-26-000003 filed by TAGStone Capital, 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 23,772 shares
    Change vs previous 13F +1,426 shares

    4.03% of the 13F portfolio, value $11,391,426.

    13F-HR 0001903044-26-000002 filed by TAGStone Capital, 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 22,346 shares
    Change vs previous 13F -188 shares

    4.18% of the 13F portfolio, value $11,232,095.

    13F-HR 0001903044-26-000001 filed by TAGStone Capital, 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 22,534 shares
    Change vs previous 13F -7 shares

    4.49% of the 13F portfolio, value $11,328,621.

    13F-HR 0001903044-25-000007 filed by TAGStone Capital, 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 22,541 shares
    Change vs previous 13F -4 shares

    4.33% of the 13F portfolio, value $10,490,468.

    13F-HR 0001903044-25-000006 filed by TAGStone Capital, 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 22,545 shares
    Change vs previous 13F +386 shares

    5.91% of the 13F portfolio, value $12,007,000.

    13F-HR 0001903044-25-000002 filed by TAGStone Capital, Inc.
    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 22,159 shares
    Change vs previous 13F +22 shares

    4.94% of the 13F portfolio, value $10,044,000.

    13F-HR 0001903044-25-000001 filed by TAGStone Capital, Inc.
    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 22,137 shares
    Change vs previous 13F not available

    5.21% of the 13F portfolio, value $10,189,000.

    13F-HR 0001903044-24-000004 filed by TAGStone Capital, Inc.
    Filed (acceptance time not in the bulk data set), ingested

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