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GRANDFIELD & DODD, LLC: COST position timeline

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

GRANDFIELD & DODD, LLC held 4,758 COST 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 4,758 shares
    Change vs previous 13F -20 shares

    0.23% of the 13F portfolio, value $4,450,966.

    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 4,778 shares
    Change vs previous 13F -42 shares

    0.27% of the 13F portfolio, value $4,760,943.

    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 4,820 shares
    Change vs previous 13F -17 shares

    0.24% of the 13F portfolio, value $4,156,479.

    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 4,837 shares
    Change vs previous 13F -46 shares

    0.25% of the 13F portfolio, value $4,477,495.

    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 4,883 shares
    Change vs previous 13F +221 shares

    0.28% of the 13F portfolio, value $4,834,115.

    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 4,662 shares
    Change vs previous 13F -35 shares

    0.27% of the 13F portfolio, value $4,409,454.

    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 4,697 shares
    Change vs previous 13F -45 shares

    0.27% of the 13F portfolio, value $4,303,940.

    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 4,742 shares
    Change vs previous 13F not available

    0.25% of the 13F portfolio, value $4,204,091.

    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).