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Calamos Advisors LLC: VRTX position timeline

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

Calamos Advisors LLC held 76,496 VRTX 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 76,496 shares
    Change vs previous 13F -3,224 shares

    0.12% of the 13F portfolio, value $37,997,858.

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

    • Calamos Advisors LLC: 75,388 shares
    • Calamos Wealth Management LLC: 1,108 shares

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

  2. period ended2026-03-31
    13F 79,720 shares
    Change vs previous 13F +35,103 shares

    0.12% of the 13F portfolio, value $35,598,168.

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

    • Calamos Advisors LLC: 77,886 shares
    • Calamos Wealth Management LLC: 1,834 shares

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

  3. period ended2025-12-31
    13F 44,617 shares
    Change vs previous 13F -1,136 shares

    0.07% of the 13F portfolio, value $20,227,563.

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

    • Calamos Advisors LLC: 43,969 shares
    • Calamos Wealth Management LLC: 648 shares

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

  4. period ended2025-09-30
    13F 45,753 shares
    Change vs previous 13F 0 shares

    0.07% of the 13F portfolio, value $17,918,705.

    13F-HR 0001316507-25-000003 filed by Calamos Advisors 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 45,753 shares
    Change vs previous 13F 0 shares

    0.09% of the 13F portfolio, value $20,369,236.

    13F-HR 0001085146-25-004696 filed by Calamos Advisors 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 45,753 shares
    Change vs previous 13F +509 shares

    0.1% of the 13F portfolio, value $22,181,969.

    13F-HR 0001085146-25-002415 filed by Calamos Advisors 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 45,244 shares
    Change vs previous 13F 0 shares

    0.08% of the 13F portfolio, value $18,219,759.

    13F-HR 0001085146-25-000482 filed by Calamos Advisors 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 45,244 shares
    Change vs previous 13F not available

    0.1% of the 13F portfolio, value $21,042,080.

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

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