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Disclosery

Rosenberg Matthew Hamilton: AMT position timeline

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

Rosenberg Matthew Hamilton held 803 AMT 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 803 shares
    Change vs previous 13F +176 shares

    0.02% of the 13F portfolio, value $131,443.

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

  2. period ended2026-06-30
    13F 627 shares
    Change vs previous 13F +86 shares

    0.02% of the 13F portfolio, value $102,558.

    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 541 shares
    Change vs previous 13F +150 shares

    0.02% of the 13F portfolio, value $93,366.

    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 391 shares
    Change vs previous 13F +298 shares

    0.01% of the 13F portfolio, value $68,648.

    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 93 shares
    Change vs previous 13F -80 shares

    <0.01% of the 13F portfolio, value $17,886.

    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 173 shares
    Change vs previous 13F +80 shares

    0.01% of the 13F portfolio, value $38,236.

    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 93 shares
    Change vs previous 13F +93 shares

    0.01% of the 13F portfolio, value $20,237.

    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 0 shares
    Change vs previous 13F not available

    0% of the 13F portfolio, value $0.

    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).