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Disclosery

Granite FO LLC: BRK-B position timeline

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

Granite FO LLC held 20,280 BRK-B shares at 2026-06-30 per its 13F-HR filed 2026-07-15.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 20,280 shares
    Change vs previous 13F 0 shares

    5.37% of the 13F portfolio, value $10,147,910.

    13F-HR 0001420506-26-001224 filed by Granite FO 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/A 20,280 shares
    Change vs previous 13F 0 shares

    5.75% of the 13F portfolio, value $9,718,176.

    13F-HR/A 0001420506-26-000946 filed by Granite FO 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 20,280 shares
    Change vs previous 13F 0 shares

    5.44% of the 13F portfolio, value $10,193,744.

    13F-HR 0001420506-26-000184 filed by Granite FO 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 20,280 shares
    Change vs previous 13F 0 shares

    5.54% of the 13F portfolio, value $10,195,567.

    13F-HR 0001420506-25-002891 filed by Granite FO 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 20,280 shares
    Change vs previous 13F 0 shares

    5.58% of the 13F portfolio, value $9,851,417.

    13F-HR 0001420506-25-002158 filed by Granite FO 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 20,280 shares
    Change vs previous 13F 0 shares

    6.14% of the 13F portfolio, value $10,800,722.

    13F-HR 0001420506-25-001203 filed by Granite FO 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 20,280 shares
    Change vs previous 13F 0 shares

    5.25% of the 13F portfolio, value $9,192,518.

    13F-HR 0001420506-25-000176 filed by Granite FO 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 20,280 shares
    Change vs previous 13F not available

    5.28% of the 13F portfolio, value $9,334,073.

    13F-HR 0001420506-24-002138 filed by Granite FO LLC
    Filed (acceptance time not in the bulk data set), ingested

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