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Calamos Advisors LLC: GIS position timeline

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

Calamos Advisors LLC held 154,174 GIS 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 154,174 shares
    Change vs previous 13F -2,867 shares

    0.02% of the 13F portfolio, value $5,365,255.

    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 157,041 shares
    Change vs previous 13F 0 shares

    0.02% of the 13F portfolio, value $5,845,066.

    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 157,041 shares
    Change vs previous 13F -6,377 shares

    0.03% of the 13F portfolio, value $7,302,407.

    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 163,418 shares
    Change vs previous 13F 0 shares

    0.03% of the 13F portfolio, value $8,239,536.

    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 163,418 shares
    Change vs previous 13F 0 shares

    0.04% of the 13F portfolio, value $8,466,687.

    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 163,418 shares
    Change vs previous 13F +1,820 shares

    0.05% of the 13F portfolio, value $9,770,762.

    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 161,598 shares
    Change vs previous 13F 0 shares

    0.05% of the 13F portfolio, value $10,305,104.

    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 161,598 shares
    Change vs previous 13F not available

    0.06% of the 13F portfolio, value $11,934,012.

    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).