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Calamos Advisors LLC: AMGN position timeline

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

Calamos Advisors LLC held 70,888 AMGN shares at 2026-06-30 per its 13F-HR filed 2026-07-31.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 70,888 shares
    Change vs previous 13F -10,356 shares

    0.08% of the 13F portfolio, value $25,669,963.

    13F-HR 0001316507-26-000003 filed by Calamos Advisors LLC
    Filed (acceptance time not in the bulk data set), ingested

    • Calamos Advisors LLC: 68,480 shares
    • Calamos Wealth Management LLC: 2,408 shares

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

  2. period ended2026-03-31
    13F 81,244 shares
    Change vs previous 13F +5,695 shares

    0.1% of the 13F portfolio, value $28,585,702.

    13F-HR 0001316507-26-000002 filed by Calamos Advisors LLC
    Filed (acceptance time not in the bulk data set), ingested

    • Calamos Advisors LLC: 75,496 shares
    • Calamos Wealth Management LLC: 5,748 shares

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

  3. period ended2025-12-31
    13F 75,549 shares
    Change vs previous 13F -2,833 shares

    0.09% of the 13F portfolio, value $24,727,943.

    13F-HR 0001316507-26-000001 filed by Calamos Advisors LLC
    Filed (acceptance time not in the bulk data set), ingested

    • Calamos Advisors LLC: 69,748 shares
    • Calamos Wealth Management LLC: 5,801 shares

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

  4. period ended2025-09-30
    13F 78,382 shares
    Change vs previous 13F +3,595 shares

    0.08% of the 13F portfolio, value $22,119,401.

    13F-HR 0001316507-25-000003 filed by Calamos Advisors LLC
    Filed (acceptance time not in the bulk data set), ingested

    • Calamos Advisors LLC: 72,569 shares
    • Calamos Wealth Management LLC: 5,813 shares

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

  5. period ended2025-06-30
    13F 74,787 shares
    Change vs previous 13F -116 shares

    0.08% of the 13F portfolio, value $20,881,278.

    13F-HR 0001085146-25-004696 filed by Calamos Advisors LLC
    Filed (acceptance time not in the bulk data set), ingested

    • Calamos Advisors LLC: 72,325 shares
    • Calamos Wealth Management LLC: 2,462 shares

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

  6. period ended2025-03-31
    13F 74,903 shares
    Change vs previous 13F +959 shares

    0.1% of the 13F portfolio, value $23,336,030.

    13F-HR 0001085146-25-002415 filed by Calamos Advisors LLC
    Filed (acceptance time not in the bulk data set), ingested

    • Calamos Advisors LLC: 72,325 shares
    • Calamos Wealth Management LLC: 2,578 shares

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

  7. period ended2024-12-31
    13F 73,944 shares
    Change vs previous 13F +54 shares

    0.08% of the 13F portfolio, value $19,272,764.

    13F-HR 0001085146-25-000482 filed by Calamos Advisors LLC
    Filed (acceptance time not in the bulk data set), ingested

    • Calamos Advisors LLC: 71,485 shares
    • Calamos Wealth Management LLC: 2,459 shares

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

  8. period ended2024-09-30
    13F 73,890 shares
    Change vs previous 13F not available

    0.1% of the 13F portfolio, value $23,808,097.

    13F-HR 0001085146-24-005402 filed by Calamos Advisors LLC
    Filed (acceptance time not in the bulk data set), ingested

    • Calamos Advisors LLC: 71,485 shares
    • Calamos Wealth Management LLC: 2,405 shares

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