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Boston Common Asset Management, LLC: AMGN position timeline

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

Boston Common Asset Management, LLC held 16,374 AMGN shares at 2026-09-30 per its 13F-HR filed 2026-10-13.

the latest 13F is the newest step

  1. period ended2026-09-30
    13F 16,374 shares
    Change vs previous 13F +2,676 shares

    0.4% of the 13F portfolio, value $6,901,805.

    13F-HR 0001409427-26-000014 filed by Boston Common Asset Management, LLC
    Accepted , ingested

  2. period ended2026-06-30
    13F 13,698 shares
    Change vs previous 13F -15,942 shares

    0.29% of the 13F portfolio, value $4,960,320.

    13F-HR 0001409427-26-000008 filed by Boston Common Asset Management, LLC
    Filed (acceptance time not in the bulk data set), ingested

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

  3. period ended2026-03-31
    13F 29,640 shares
    Change vs previous 13F -3,458 shares

    0.67% of the 13F portfolio, value $10,428,834.

    13F-HR 0001409427-26-000004 filed by Boston Common Asset Management, LLC
    Filed (acceptance time not in the bulk data set), ingested

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

  4. period ended2025-12-31
    13F/A 33,098 shares
    Change vs previous 13F -13,018 shares

    0.65% of the 13F portfolio, value $10,833,306.

    13F-HR/A 0001409427-26-000006 filed by Boston Common Asset Management, LLC
    Filed (acceptance time not in the bulk data set), ingested

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

  5. period ended2025-09-30
    13F 46,116 shares
    Change vs previous 13F -1,344 shares

    0.36% of the 13F portfolio, value $13,013,935.

    13F-HR 0001409427-25-000014 filed by Boston Common Asset Management, LLC
    Filed (acceptance time not in the bulk data set), ingested

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

  6. period ended2025-06-30
    13F 47,460 shares
    Change vs previous 13F -2,255 shares

    0.37% of the 13F portfolio, value $13,251,307.

    13F-HR 0001409427-25-000007 filed by Boston Common Asset Management, LLC
    Filed (acceptance time not in the bulk data set), ingested

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

  7. period ended2025-03-31
    13F 49,715 shares
    Change vs previous 13F +28,004 shares

    0.47% of the 13F portfolio, value $15,488,708.

    13F-HR 0001409427-25-000005 filed by Boston Common Asset Management, LLC
    Filed (acceptance time not in the bulk data set), ingested

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

  8. period ended2024-12-31
    13F 21,711 shares
    Change vs previous 13F not available

    0.16% of the 13F portfolio, value $5,658,755.

    13F-HR 0001409427-25-000002 filed by Boston Common Asset Management, LLC
    Filed (acceptance time not in the bulk data set), ingested

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