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Disclosery

Rosenberg Matthew Hamilton: JMST position timeline

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

Rosenberg Matthew Hamilton held 312,862 JMST 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 312,862 shares
    Change vs previous 13F +50,191 shares

    2.83% of the 13F portfolio, value $15,818,323.

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

  2. period ended2026-06-30
    13F 262,671 shares
    Change vs previous 13F -6,833 shares

    2.5% of the 13F portfolio, value $13,396,221.

    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 269,504 shares
    Change vs previous 13F +3,736 shares

    2.82% of the 13F portfolio, value $13,739,314.

    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 265,768 shares
    Change vs previous 13F +12,049 shares

    2.8% of the 13F portfolio, value $13,538,222.

    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 253,719 shares
    Change vs previous 13F +33,075 shares

    2.8% of the 13F portfolio, value $12,949,818.

    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 220,644 shares
    Change vs previous 13F +12,485 shares

    2.61% of the 13F portfolio, value $11,235,192.

    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 208,159 shares
    Change vs previous 13F +32,061 shares

    2.65% of the 13F portfolio, value $10,584,885.

    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 176,098 shares
    Change vs previous 13F not available

    2.32% of the 13F portfolio, value $8,929,930.

    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).