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Disclosery

Rosenberg Matthew Hamilton: PSK position timeline

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

Rosenberg Matthew Hamilton held 141,339 PSK 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 141,339 shares
    Change vs previous 13F +26,729 shares

    0.72% of the 13F portfolio, value $4,005,552.

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

  2. period ended2026-06-30
    13F 114,610 shares
    Change vs previous 13F +12,305 shares

    0.65% of the 13F portfolio, value $3,499,044.

    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 102,305 shares
    Change vs previous 13F +7,138 shares

    0.65% of the 13F portfolio, value $3,155,087.

    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 95,167 shares
    Change vs previous 13F +15,377 shares

    0.62% of the 13F portfolio, value $3,015,843.

    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 79,790 shares
    Change vs previous 13F +19,801 shares

    0.57% of the 13F portfolio, value $2,638,656.

    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 59,989 shares
    Change vs previous 13F -1,834 shares

    0.44% of the 13F portfolio, value $1,905,251.

    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 61,823 shares
    Change vs previous 13F +8,458 shares

    0.5% of the 13F portfolio, value $2,002,448.

    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 53,365 shares
    Change vs previous 13F not available

    0.46% of the 13F portfolio, value $1,760,512.

    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).