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Zullo Investment Group, Inc.: BRK-B position timeline

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

Zullo Investment Group, Inc. held 4,633 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 4,633 shares
    Change vs previous 13F -104 shares

    0.79% of the 13F portfolio, value $2,318,653.

    13F-HR 0001909760-26-000003 filed by Zullo Investment Group, 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 4,737 shares
    Change vs previous 13F +18 shares

    0.86% of the 13F portfolio, value $2,270,302.

    13F-HR 0001909760-26-000002 filed by Zullo Investment Group, 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 4,719 shares
    Change vs previous 13F +23 shares

    0.87% of the 13F portfolio, value $2,372,353.

    13F-HR 0001909760-26-000001 filed by Zullo Investment Group, 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 4,696 shares
    Change vs previous 13F +22 shares

    0.87% of the 13F portfolio, value $2,361,215.

    13F-HR 0001909760-25-000002 filed by Zullo Investment Group, 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 4,674 shares
    Change vs previous 13F -808 shares

    0.92% of the 13F portfolio, value $2,270,825.

    13F-HR 0001085146-25-004138 filed by Zullo Investment Group, 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 5,482 shares
    Change vs previous 13F +1 shares

    1.25% of the 13F portfolio, value $2,919,439.

    13F-HR 0001085146-25-002533 filed by Zullo Investment Group, 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 5,481 shares
    Change vs previous 13F 0 shares

    1% of the 13F portfolio, value $2,484,741.

    13F-HR 0001085146-25-000702 filed by Zullo Investment Group, 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 5,481 shares
    Change vs previous 13F not available

    1.05% of the 13F portfolio, value $2,523,003.

    13F-HR 0001085146-24-004857 filed by Zullo Investment Group, Inc.
    Filed (acceptance time not in the bulk data set), ingested

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