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Disclosery

Kooman & Associates: BRK-B position timeline

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

Kooman & Associates held 458 BRK-B shares at 2026-06-30 per its 13F-HR filed 2026-07-22.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 458 shares
    Change vs previous 13F +37 shares

    0.06% of the 13F portfolio, value $229,179.

    13F-HR 0001961850-26-000004 filed by Kooman & Associates
    Filed (acceptance time not in the bulk data set), ingested

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

  2. period ended2026-03-31
    13F 421 shares
    Change vs previous 13F +8 shares

    0.06% of the 13F portfolio, value $201,743.

    13F-HR 0001961850-26-000003 filed by Kooman & Associates
    Filed (acceptance time not in the bulk data set), ingested

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

  3. period ended2025-12-31
    13F 413 shares
    Change vs previous 13F +1 shares

    0.06% of the 13F portfolio, value $207,594.

    13F-HR 0001961850-26-000001 filed by Kooman & Associates
    Filed (acceptance time not in the bulk data set), ingested

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

  4. period ended2025-09-30
    13F 412 shares
    Change vs previous 13F -10 shares

    0.06% of the 13F portfolio, value $207,129.

    13F-HR 0001961850-25-000007 filed by Kooman & Associates
    Filed (acceptance time not in the bulk data set), ingested

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

  5. period ended2025-06-30
    13F 422 shares
    Change vs previous 13F -20 shares

    0.07% of the 13F portfolio, value $204,995.

    13F-HR 0001961850-25-000005 filed by Kooman & Associates
    Filed (acceptance time not in the bulk data set), ingested

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

  6. period ended2025-03-31
    13F 442 shares
    Change vs previous 13F -32 shares

    0.09% of the 13F portfolio, value $235,400.

    13F-HR 0001961850-25-000004 filed by Kooman & Associates
    Filed (acceptance time not in the bulk data set), ingested

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

  7. period ended2024-12-31
    13F 474 shares
    Change vs previous 13F +15 shares

    0.08% of the 13F portfolio, value $214,855.

    13F-HR 0001961850-25-000002 filed by Kooman & Associates
    Filed (acceptance time not in the bulk data set), ingested

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

  8. period ended2024-09-30
    13F 459 shares
    Change vs previous 13F not available

    0.08% of the 13F portfolio, value $211,259.

    13F-HR 0001961850-24-000004 filed by Kooman & Associates
    Filed (acceptance time not in the bulk data set), ingested

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