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Corton Capital Inc.: AMT position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of Corton Capital Inc. on AMT, newest first. How the timeline and the estimate are built.

Corton Capital Inc. held 1,878 AMT shares at 2025-09-30 per its 13F-HR filed 2025-11-14.

the latest 13F is the newest step

  1. period ended2025-09-30
    13F 1,878 shares
    Change vs previous 13F +748 shares

    0.89% of the 13F portfolio, value $361,177.

    13F-HR 0001214659-25-016497 filed by Corton Capital Inc.
    Filed (acceptance time not in the bulk data set), ingested

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

  2. period ended2025-06-30
    13F 1,130 shares
    Change vs previous 13F +1,130 shares

    0.29% of the 13F portfolio, value $249,753.

    13F-HR 0001214659-25-011502 filed by Corton Capital Inc.
    Filed (acceptance time not in the bulk data set), ingested

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

  3. period ended2024-12-31
    13F 0 shares
    Change vs previous 13F -969 shares

    13F-HR 0001214659-25-002594 filed by Corton Capital 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.

  4. period ended2024-09-30
    13F 969 shares
    Change vs previous 13F not available

    0.11% of the 13F portfolio, value $225,351.

    13F-HR 0001493152-24-045848 filed by Corton Capital Inc.
    Filed (acceptance time not in the bulk data set), ingested

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