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MARSHALL WACE, LLP: AMCX position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of MARSHALL WACE, LLP on AMCX, newest first. How the timeline and the estimate are built.

MARSHALL WACE, LLP held 773,892 AMCX shares at 2026-06-30 per its 13F-HR filed 2026-08-13.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 773,892 shares
    Change vs previous 13F -415,886 shares

    0.01% of the 13F portfolio, value $7,723,441.

    13F-HR 0001318757-26-000010 filed by MARSHALL WACE, LLP
    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 1,189,778 shares
    Change vs previous 13F -48,428 shares

    0.01% of the 13F portfolio, value $8,078,592.

    13F-HR 0001318757-26-000005 filed by MARSHALL WACE, LLP
    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 1,238,206 shares
    Change vs previous 13F -226,432 shares

    0.01% of the 13F portfolio, value $11,787,722.

    13F-HR 0001318757-26-000003 filed by MARSHALL WACE, LLP
    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 1,464,638 shares
    Change vs previous 13F +45,093 shares

    0.01% of the 13F portfolio, value $12,068,615.

    13F-HR 0001318757-25-000046 filed by MARSHALL WACE, LLP
    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 1,419,545 shares
    Change vs previous 13F +399,478 shares

    0.01% of the 13F portfolio, value $8,900,547.

    13F-HR 0001318757-25-000034 filed by MARSHALL WACE, LLP
    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 1,020,067 shares
    Change vs previous 13F +108,520 shares

    0.01% of the 13F portfolio, value $7,018,061.

    13F-HR 0001318757-25-000023 filed by MARSHALL WACE, LLP
    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 911,547 shares
    Change vs previous 13F -115,528 shares

    0.01% of the 13F portfolio, value $9,024,317.

    13F-HR 0002048047-25-000005 filed by MARSHALL WACE, LLP
    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 1,027,075 shares
    Change vs previous 13F not available

    0.01% of the 13F portfolio, value $8,925,281.

    13F-HR 0001318757-24-000018 filed by MARSHALL WACE, LLP
    Filed (acceptance time not in the bulk data set), ingested

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