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Calamos Advisors LLC: MRSH position timeline

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

Calamos Advisors LLC held 131,714 MRSH 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 131,714 shares
    Change vs previous 13F -4,858 shares

    0.07% of the 13F portfolio, value $21,952,776.

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

    • Calamos Advisors LLC: 129,269 shares
    • Calamos Wealth Management LLC: 2,445 shares

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

  2. period ended2026-03-31
    13F 136,572 shares
    Change vs previous 13F +2,697 shares

    0.08% of the 13F portfolio, value $23,688,422.

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

    • Calamos Advisors LLC: 134,122 shares
    • Calamos Wealth Management LLC: 2,450 shares

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

  3. period ended2025-12-31
    13F 133,875 shares
    Change vs previous 13F -188,556 shares

    0.09% of the 13F portfolio, value $24,836,570.

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

    • Calamos Advisors LLC: 131,672 shares
    • Calamos Wealth Management LLC: 2,203 shares

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

  4. period ended2025-09-30
    13F 322,431 shares
    Change vs previous 13F -7,687 shares

    0.24% of the 13F portfolio, value $64,979,578.

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

    • Calamos Advisors LLC: 267,756 shares
    • Calamos Wealth Management LLC: 54,675 shares

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

  5. period ended2025-06-30
    13F 330,118 shares
    Change vs previous 13F +1,198 shares

    0.28% of the 13F portfolio, value $72,177,067.

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

    • Calamos Advisors LLC: 276,422 shares
    • Calamos Wealth Management LLC: 53,696 shares

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

  6. period ended2025-03-31
    13F 328,920 shares
    Change vs previous 13F +12,623 shares

    0.35% of the 13F portfolio, value $80,266,397.

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

    • Calamos Advisors LLC: 276,184 shares
    • Calamos Wealth Management LLC: 52,736 shares

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

  7. period ended2024-12-31
    13F 316,297 shares
    Change vs previous 13F +13,858 shares

    0.28% of the 13F portfolio, value $67,184,710.

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

    • Calamos Advisors LLC: 264,192 shares
    • Calamos Wealth Management LLC: 52,105 shares

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

  8. period ended2024-09-30
    13F 302,439 shares
    Change vs previous 13F not available

    0.29% of the 13F portfolio, value $67,471,164.

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

    • Calamos Advisors LLC: 263,158 shares
    • Calamos Wealth Management LLC: 39,281 shares

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