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Calamos Advisors LLC: MA position timeline

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

Calamos Advisors LLC held 245,609 MA 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 245,609 shares
    Change vs previous 13F -9,891 shares

    0.41% of the 13F portfolio, value $126,144,783.

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

    • Calamos Advisors LLC: 238,960 shares
    • Calamos Wealth Management LLC: 6,649 shares

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

  2. period ended2026-03-31
    13F 255,500 shares
    Change vs previous 13F +8,414 shares

    0.44% of the 13F portfolio, value $127,663,132.

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

    • Calamos Advisors LLC: 248,453 shares
    • Calamos Wealth Management LLC: 7,047 shares

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

  3. period ended2025-12-31
    13F 247,086 shares
    Change vs previous 13F -6,157 shares

    0.52% of the 13F portfolio, value $141,056,564.

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

    • Calamos Advisors LLC: 240,682 shares
    • Calamos Wealth Management LLC: 6,404 shares

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

  4. period ended2025-09-30
    13F 253,243 shares
    Change vs previous 13F +2,367 shares

    0.52% of the 13F portfolio, value $144,047,151.

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

    • Calamos Advisors LLC: 246,913 shares
    • Calamos Wealth Management LLC: 6,330 shares

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

  5. period ended2025-06-30
    13F 250,876 shares
    Change vs previous 13F -26,285 shares

    0.55% of the 13F portfolio, value $140,977,260.

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

    • Calamos Advisors LLC: 246,403 shares
    • Calamos Wealth Management LLC: 4,473 shares

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

  6. period ended2025-03-31
    13F 277,161 shares
    Change vs previous 13F +2,511 shares

    0.66% of the 13F portfolio, value $151,917,487.

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

    • Calamos Advisors LLC: 272,729 shares
    • Calamos Wealth Management LLC: 4,432 shares

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

  7. period ended2024-12-31
    13F 274,650 shares
    Change vs previous 13F +520 shares

    0.61% of the 13F portfolio, value $144,622,450.

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

    • Calamos Advisors LLC: 270,516 shares
    • Calamos Wealth Management LLC: 4,134 shares

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

  8. period ended2024-09-30
    13F 274,130 shares
    Change vs previous 13F not available

    0.58% of the 13F portfolio, value $135,365,394.

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

    • Calamos Advisors LLC: 270,076 shares
    • Calamos Wealth Management LLC: 4,054 shares

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