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GRANDFIELD & DODD, LLC: BRK-B position timeline

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

GRANDFIELD & DODD, LLC held 100,110 BRK-B 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 100,110 shares
    Change vs previous 13F -1,029 shares

    2.63% of the 13F portfolio, value $50,094,043.

    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 101,139 shares
    Change vs previous 13F +1,039 shares

    2.74% of the 13F portfolio, value $48,465,809.

    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 100,100 shares
    Change vs previous 13F -1,370 shares

    2.85% of the 13F portfolio, value $50,315,265.

    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 101,470 shares
    Change vs previous 13F -1,818 shares

    2.89% of the 13F portfolio, value $51,013,028.

    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 103,288 shares
    Change vs previous 13F +1,250 shares

    2.94% of the 13F portfolio, value $50,174,212.

    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 102,038 shares
    Change vs previous 13F -571 shares

    3.37% of the 13F portfolio, value $54,343,398.

    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 102,609 shares
    Change vs previous 13F +252 shares

    2.87% of the 13F portfolio, value $46,510,608.

    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 102,357 shares
    Change vs previous 13F not available

    2.79% of the 13F portfolio, value $47,110,833.

    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).