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Rosenberg Matthew Hamilton: AMTM position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of Rosenberg Matthew Hamilton on AMTM, newest first. How the timeline and the estimate are built.

Rosenberg Matthew Hamilton held 99 AMTM shares at 2026-09-30 per its 13F-HR filed 2026-10-05.

the latest 13F is the newest step

  1. period ended2026-09-30
    13F 99 shares
    Change vs previous 13F 0 shares

    <0.01% of the 13F portfolio, value $1,794.

    13F-HR 0001812103-26-000005 filed by Rosenberg Matthew Hamilton
    Accepted , ingested

  2. period ended2026-06-30
    13F 99 shares
    Change vs previous 13F 0 shares

    <0.01% of the 13F portfolio, value $2,046.

    13F-HR 0001812103-26-000003 filed by Rosenberg Matthew Hamilton
    Filed (acceptance time not in the bulk data set), ingested

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

  3. period ended2026-03-31
    13F 99 shares
    Change vs previous 13F 0 shares

    <0.01% of the 13F portfolio, value $2,582.

    13F-HR 0001812103-26-000002 filed by Rosenberg Matthew Hamilton
    Filed (acceptance time not in the bulk data set), ingested

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

  4. period ended2025-12-31
    13F 99 shares
    Change vs previous 13F 0 shares

    <0.01% of the 13F portfolio, value $2,871.

    13F-HR 0001812103-26-000001 filed by Rosenberg Matthew Hamilton
    Filed (acceptance time not in the bulk data set), ingested

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

  5. period ended2025-09-30
    13F 99 shares
    Change vs previous 13F 0 shares

    <0.01% of the 13F portfolio, value $2,371.

    13F-HR 0001812103-25-000006 filed by Rosenberg Matthew Hamilton
    Filed (acceptance time not in the bulk data set), ingested

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

  6. period ended2025-06-30
    13F 99 shares
    Change vs previous 13F +5 shares

    <0.01% of the 13F portfolio, value $2,337.

    13F-HR 0001812103-25-000004 filed by Rosenberg Matthew Hamilton
    Filed (acceptance time not in the bulk data set), ingested

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

  7. period ended2025-03-31
    13F 94 shares
    Change vs previous 13F 0 shares

    <0.01% of the 13F portfolio, value $1,711.

    13F-HR 0001812103-25-000003 filed by Rosenberg Matthew Hamilton
    Filed (acceptance time not in the bulk data set), ingested

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

  8. period ended2024-12-31
    13F 94 shares
    Change vs previous 13F not available

    <0.01% of the 13F portfolio, value $1,977.

    13F-HR 0001812103-25-000001 filed by Rosenberg Matthew Hamilton
    Filed (acceptance time not in the bulk data set), ingested

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