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GRANDFIELD & DODD, LLC: AMGN position timeline

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

GRANDFIELD & DODD, LLC held 7,491 AMGN 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 7,491 shares
    Change vs previous 13F -200 shares

    0.14% of the 13F portfolio, value $2,712,641.

    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 7,691 shares
    Change vs previous 13F -485 shares

    0.15% of the 13F portfolio, value $2,706,078.

    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 8,176 shares
    Change vs previous 13F 0 shares

    0.15% of the 13F portfolio, value $2,676,087.

    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 8,176 shares
    Change vs previous 13F 0 shares

    0.13% of the 13F portfolio, value $2,307,267.

    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 8,176 shares
    Change vs previous 13F +158 shares

    0.13% of the 13F portfolio, value $2,282,821.

    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 8,018 shares
    Change vs previous 13F 0 shares

    0.15% of the 13F portfolio, value $2,498,008.

    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 8,018 shares
    Change vs previous 13F -275 shares

    0.13% of the 13F portfolio, value $2,089,812.

    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 8,293 shares
    Change vs previous 13F not available

    0.16% of the 13F portfolio, value $2,672,088.

    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).