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GRANDFIELD & DODD, LLC: BRK-A position timeline

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

GRANDFIELD & DODD, LLC held 17 BRK-A shares at 2026-06-30 per its 13F-HR filed 2026-08-07.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 17 shares
    Change vs previous 13F +2 shares

    0.67% of the 13F portfolio, value $12,730,450.

    13F-HR 0001308016-26-000004 filed by GRANDFIELD & DODD, 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 15 shares
    Change vs previous 13F 0 shares

    0.61% of the 13F portfolio, value $10,772,100.

    13F-HR 0001308016-26-000002 filed by GRANDFIELD & DODD, 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 15 shares
    Change vs previous 13F 0 shares

    0.64% of the 13F portfolio, value $11,322,000.

    13F-HR 0001308016-26-000001 filed by GRANDFIELD & DODD, 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 15 shares
    Change vs previous 13F 0 shares

    0.64% of the 13F portfolio, value $11,313,000.

    13F-HR 0001308016-25-000004 filed by GRANDFIELD & DODD, 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 15 shares
    Change vs previous 13F -2 shares

    0.64% of the 13F portfolio, value $10,932,000.

    13F-HR 0001085146-25-004722 filed by GRANDFIELD & DODD, 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 17 shares
    Change vs previous 13F 0 shares

    0.84% of the 13F portfolio, value $13,573,507.

    13F-HR 0001085146-25-002562 filed by GRANDFIELD & DODD, 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 17 shares
    Change vs previous 13F +10 shares

    1% of the 13F portfolio, value $16,162,435.

    13F-HR 0001085146-25-000843 filed by GRANDFIELD & DODD, 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 7 shares
    Change vs previous 13F not available

    0.29% of the 13F portfolio, value $4,838,260.

    13F-HR 0001085146-24-005469 filed by GRANDFIELD & DODD, LLC
    Filed (acceptance time not in the bulk data set), ingested

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