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Disclosery

Matrix Trust Co: BRK-B position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of Matrix Trust Co on BRK-B, newest first. How the timeline and the estimate are built.

Matrix Trust Co held 0 BRK-B shares at 2025-09-30 per its 13F-HR filed 2025-10-14.

the latest 13F is the newest step

  1. period ended2025-09-30
    13F 0 shares
    Change vs previous 13F -698 shares

    13F-HR 0001784277-25-000009 filed by Matrix Trust Co
    Filed (acceptance time not in the bulk data set), ingested

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

    Exited: the 13F for this period no longer lists the position.

  2. period ended2025-06-30
    13F 698 shares
    Change vs previous 13F +268 shares

    0.05% of the 13F portfolio, value $339,000.

    13F-HR 0001784277-25-000005 filed by Matrix Trust Co
    Filed (acceptance time not in the bulk data set), ingested

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

  3. period ended2025-03-31
    13F 430 shares
    Change vs previous 13F +99 shares

    0.04% of the 13F portfolio, value $229,000.

    13F-HR 0001784277-25-000003 filed by Matrix Trust Co
    Filed (acceptance time not in the bulk data set), ingested

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

  4. period ended2024-12-31
    13F 331 shares
    Change vs previous 13F not available

    0.03% of the 13F portfolio, value $150,000.

    13F-HR 0001784277-25-000001 filed by Matrix Trust Co
    Filed (acceptance time not in the bulk data set), ingested

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