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Disclosery

Polar Asset Management Partners Inc.: AMCX position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of Polar Asset Management Partners Inc. on AMCX, newest first. How the timeline and the estimate are built.

Polar Asset Management Partners Inc. held 0 AMCX shares at 2025-12-31 per its 13F-HR filed 2026-02-17.

the latest 13F is the newest step

  1. period ended2025-12-31
    13F 0 shares
    Change vs previous 13F -292,861 shares

    13F-HR 0001326389-26-000033 filed by Polar Asset Management Partners Inc.
    Filed (acceptance time not in the bulk data set), ingested

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

    Exited: the 13F for this period no longer lists the position.

  2. period ended2025-09-30
    13F/A 292,861 shares
    Change vs previous 13F +278,123 shares

    0.05% of the 13F portfolio, value $2,413,175.

    13F-HR/A 0001326389-25-000282 filed by Polar Asset Management Partners Inc.
    Filed (acceptance time not in the bulk data set), ingested

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

  3. period ended2025-06-30
    13F 14,738 shares
    Change vs previous 13F not available

    <0.01% of the 13F portfolio, value $92,407.

    13F-HR 0001326389-25-000277 filed by Polar Asset Management Partners Inc.
    Filed (acceptance time not in the bulk data set), ingested

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