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Disclosery

Rosenberg Matthew Hamilton: BLK position timeline

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

Rosenberg Matthew Hamilton held 334 BLK 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 334 shares
    Change vs previous 13F -5 shares

    0.06% of the 13F portfolio, value $353,469.

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

  2. period ended2026-06-30
    13F 339 shares
    Change vs previous 13F +18 shares

    0.06% of the 13F portfolio, value $325,969.

    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 321 shares
    Change vs previous 13F 0 shares

    0.06% of the 13F portfolio, value $308,709.

    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 321 shares
    Change vs previous 13F 0 shares

    0.07% of the 13F portfolio, value $343,579.

    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 321 shares
    Change vs previous 13F 0 shares

    0.08% of the 13F portfolio, value $374,244.

    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 321 shares
    Change vs previous 13F +11 shares

    0.08% of the 13F portfolio, value $336,809.

    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 310 shares
    Change vs previous 13F +2 shares

    0.07% of the 13F portfolio, value $293,409.

    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 308 shares
    Change vs previous 13F not available

    0.08% of the 13F portfolio, value $315,734.

    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).