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Granite Harbor Advisors, Inc.: BRK-B position timeline

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

Granite Harbor Advisors, Inc. held 5,258 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 5,258 shares
    Change vs previous 13F +161 shares

    1.04% of the 13F portfolio, value $2,631,051.

    13F-HR 0001172661-26-002972 filed by Granite Harbor Advisors, 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 5,097 shares
    Change vs previous 13F +242 shares

    1.07% of the 13F portfolio, value $2,442,482.

    13F-HR 0001172661-26-001530 filed by Granite Harbor Advisors, 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 4,855 shares
    Change vs previous 13F +145 shares

    1.03% of the 13F portfolio, value $2,440,366.

    13F-HR 0001172661-26-000259 filed by Granite Harbor Advisors, 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 4,710 shares
    Change vs previous 13F +278 shares

    1% of the 13F portfolio, value $2,367,905.

    13F-HR 0001172661-25-004373 filed by Granite Harbor Advisors, 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 4,432 shares
    Change vs previous 13F +186 shares

    1.01% of the 13F portfolio, value $2,152,933.

    13F-HR 0001172661-25-002809 filed by Granite Harbor Advisors, 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 4,246 shares
    Change vs previous 13F +355 shares

    1.2% of the 13F portfolio, value $2,261,335.

    13F-HR 0001172661-25-001777 filed by Granite Harbor Advisors, 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 3,891 shares
    Change vs previous 13F +68 shares

    0.98% of the 13F portfolio, value $1,763,712.

    13F-HR 0001172661-25-000331 filed by Granite Harbor Advisors, 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 3,823 shares
    Change vs previous 13F not available

    1.02% of the 13F portfolio, value $1,759,574.

    13F-HR 0001172661-24-004243 filed by Granite Harbor Advisors, Inc.
    Filed (acceptance time not in the bulk data set), ingested

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