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ALKEON CAPITAL MANAGEMENT LLC: AMT position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of ALKEON CAPITAL MANAGEMENT LLC on AMT, newest first. How the timeline and the estimate are built.

ALKEON CAPITAL MANAGEMENT LLC held 0 AMT shares at 2026-03-31 per its 13F-HR filed 2026-05-15.

the latest 13F is the newest step

  1. period ended2026-03-31
    13F 0 shares
    Change vs previous 13F -428,401 shares

    13F-HR 0000919574-26-003172 filed by ALKEON CAPITAL MANAGEMENT LLC
    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 ended2025-12-31
    13F 428,401 shares
    Change vs previous 13F 0 shares

    0.33% of the 13F portfolio, value $75,214,367.

    13F-HR 0000919574-26-001015 filed by ALKEON CAPITAL MANAGEMENT LLC
    Filed (acceptance time not in the bulk data set), ingested

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

  3. period ended2025-09-30
    13F 428,401 shares
    Change vs previous 13F 0 shares

    0.37% of the 13F portfolio, value $82,390,084.

    13F-HR 0000919574-25-006800 filed by ALKEON CAPITAL MANAGEMENT LLC
    Filed (acceptance time not in the bulk data set), ingested

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

  4. period ended2025-06-30
    13F 428,401 shares
    Change vs previous 13F 0 shares

    0.46% of the 13F portfolio, value $94,685,194.

    13F-HR 0000919574-25-004663 filed by ALKEON CAPITAL MANAGEMENT LLC
    Filed (acceptance time not in the bulk data set), ingested

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

  5. period ended2025-03-31
    13F 428,401 shares
    Change vs previous 13F -329 shares

    0.55% of the 13F portfolio, value $93,220,062.

    13F-HR 0000919574-25-003078 filed by ALKEON CAPITAL MANAGEMENT LLC
    Filed (acceptance time not in the bulk data set), ingested

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

  6. period ended2024-12-31
    13F 428,730 shares
    Change vs previous 13F 0 shares

    0.46% of the 13F portfolio, value $78,633,373.

    13F-HR 0000919574-25-001214 filed by ALKEON CAPITAL MANAGEMENT LLC
    Filed (acceptance time not in the bulk data set), ingested

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

  7. period ended2024-09-30
    13F 428,730 shares
    Change vs previous 13F not available

    0.55% of the 13F portfolio, value $99,705,454.

    13F-HR 0000919574-24-006480 filed by ALKEON CAPITAL MANAGEMENT LLC
    Filed (acceptance time not in the bulk data set), ingested

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