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Madison Asset Management, LLC: AMGN position timeline

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

Madison Asset Management, LLC held 11,539 AMGN shares at 2026-06-30 per its 13F-HR filed 2026-08-10.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 11,539 shares
    Change vs previous 13F -13 shares

    0.05% of the 13F portfolio, value $4,178,503.

    13F-HR 0001954889-26-000022 filed by Madison Asset Management, 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 11,552 shares
    Change vs previous 13F +1,755 shares

    0.05% of the 13F portfolio, value $4,064,571.

    13F-HR 0001954889-26-000018 filed by Madison 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 ended2025-12-31
    13F 9,797 shares
    Change vs previous 13F +2,422 shares

    0.04% of the 13F portfolio, value $3,206,656.

    13F-HR 0001954889-26-000008 filed by Madison 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 ended2025-09-30
    13F 7,375 shares
    Change vs previous 13F -25 shares

    0.02% of the 13F portfolio, value $2,081,225.

    13F-HR 0001954889-25-000033 filed by Madison 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 ended2025-06-30
    13F 7,400 shares
    Change vs previous 13F -8 shares

    0.02% of the 13F portfolio, value $2,066,154.

    13F-HR 0001954889-25-000027 filed by Madison 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 ended2025-03-31
    13F 7,408 shares
    Change vs previous 13F -7,536 shares

    0.03% of the 13F portfolio, value $2,307,962.

    13F-HR 0001954889-25-000019 filed by Madison 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 ended2024-12-31
    13F/A 14,944 shares
    Change vs previous 13F +7,353 shares

    0.02% of the 13F portfolio, value $3,895,004.

    13F-HR 0001954889-25-000006 filed by Madison Asset Management, LLC
    Filed (acceptance time not in the bulk data set), ingested

    • Madison Asset Management, LLC: 7,472 shares
    • Madison Investment Advisors, LLC: 7,472 shares

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

  8. period ended2024-09-30
    13F 7,591 shares
    Change vs previous 13F not available

    0.03% of the 13F portfolio, value $2,445,896.

    13F-HR 0001954889-24-000003 filed by Madison Asset Management, LLC
    Filed (acceptance time not in the bulk data set), ingested

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