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Calamos Advisors LLC: MAMA position timeline

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

Calamos Advisors LLC held 391,641 MAMA 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 391,641 shares
    Change vs previous 13F +30,225 shares

    0.03% of the 13F portfolio, value $6,990,792.

    13F-HR 0001316507-26-000003 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).

  2. period ended2026-03-31
    13F 361,416 shares
    Change vs previous 13F -3,940 shares

    0.02% of the 13F portfolio, value $5,544,122.

    13F-HR 0001316507-26-000002 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).

  3. period ended2025-12-31
    13F 365,356 shares
    Change vs previous 13F +25,082 shares

    0.02% of the 13F portfolio, value $4,928,653.

    13F-HR 0001316507-26-000001 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).

  4. period ended2025-09-30
    13F 340,274 shares
    Change vs previous 13F -16,588 shares

    0.01% of the 13F portfolio, value $3,576,280.

    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 356,862 shares
    Change vs previous 13F +116,110 shares

    0.01% of the 13F portfolio, value $2,961,955.

    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 240,752 shares
    Change vs previous 13F -144,512 shares

    0.01% of the 13F portfolio, value $1,567,295.

    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 385,264 shares
    Change vs previous 13F -21,111 shares

    0.01% of the 13F portfolio, value $3,066,701.

    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 406,375 shares
    Change vs previous 13F not available

    0.01% of the 13F portfolio, value $2,966,538.

    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).