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Disclosery

Corton Capital Inc.: AMPL position timeline

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

Corton Capital Inc. held 15,879 AMPL 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 15,879 shares
    Change vs previous 13F +15,879 shares

    0.42% of the 13F portfolio, value $170,223.

    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 ended2024-09-30
    13F 0 shares
    Change vs previous 13F -22,108 shares

    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).

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

  3. period ended2024-06-30
    13F 22,108 shares
    Change vs previous 13F +713 shares

    0.1% of the 13F portfolio, value $196,761.

    13F-HR 0001493152-24-032151 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).

  4. period ended2024-03-31
    13F 21,395 shares
    Change vs previous 13F -11,067 shares

    0.09% of the 13F portfolio, value $232,778.

    13F-HR 0001493152-24-019826 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).

  5. period ended2023-12-31
    13F 32,462 shares
    Change vs previous 13F not available

    0.13% of the 13F portfolio, value $412,917.

    13F-HR 0001493152-24-006660 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).