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KORNITZER CAPITAL MANAGEMENT INC /KS: AMSC position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of KORNITZER CAPITAL MANAGEMENT INC /KS on AMSC, newest first. How the timeline and the estimate are built.

KORNITZER CAPITAL MANAGEMENT INC /KS held 31,669 AMSC 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 31,669 shares
    Change vs previous 13F -3,304 shares

    0.03% of the 13F portfolio, value $1,314,580.

    13F-HR 0000898358-26-000007 filed by KORNITZER CAPITAL MANAGEMENT INC /KS
    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 34,973 shares
    Change vs previous 13F -1,181 shares

    0.03% of the 13F portfolio, value $1,183,836.

    13F-HR 0000898358-26-000005 filed by KORNITZER CAPITAL MANAGEMENT INC /KS
    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 36,154 shares
    Change vs previous 13F +3,154 shares

    0.02% of the 13F portfolio, value $1,040,512.

    13F-HR 0000898358-26-000003 filed by KORNITZER CAPITAL MANAGEMENT INC /KS
    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 33,000 shares
    Change vs previous 13F -3,660 shares

    0.04% of the 13F portfolio, value $1,959,870.

    13F-HR 0000898358-25-000013 filed by KORNITZER CAPITAL MANAGEMENT INC /KS
    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 36,660 shares
    Change vs previous 13F not available

    0.03% of the 13F portfolio, value $1,345,055.

    13F-HR 0000898358-25-000010 filed by KORNITZER CAPITAL MANAGEMENT INC /KS
    Filed (acceptance time not in the bulk data set), ingested

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