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Quad-Cities Investment Group, LLC: BRK-B position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of Quad-Cities Investment Group, LLC on BRK-B, newest first. How the timeline and the estimate are built.

Quad-Cities Investment Group, LLC held 1,266 BRK-B shares at 2026-09-30 per its 13F-HR filed 2026-10-16.

the latest 13F is the newest step

  1. period ended2026-09-30
    13F 1,266 shares
    Change vs previous 13F +780 shares

    0.23% of the 13F portfolio, value $630,405.

    13F-HR 0001741426-26-000005 filed by Quad-Cities Investment Group, LLC
    Accepted , ingested

  2. period ended2026-06-30
    13F 486 shares
    Change vs previous 13F -20 shares

    0.09% of the 13F portfolio, value $243,190.

    13F-HR 0001741426-26-000004 filed by Quad-Cities Investment Group, LLC
    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 506 shares
    Change vs previous 13F 0 shares

    0.1% of the 13F portfolio, value $242,475.

    13F-HR 0001741426-26-000002 filed by Quad-Cities Investment Group, LLC
    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 506 shares
    Change vs previous 13F -11 shares

    0.1% of the 13F portfolio, value $254,341.

    13F-HR 0001741426-26-000001 filed by Quad-Cities Investment Group, LLC
    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 517 shares
    Change vs previous 13F -5 shares

    0.11% of the 13F portfolio, value $259,917.

    13F-HR 0001741426-25-000003 filed by Quad-Cities Investment Group, LLC
    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 522 shares
    Change vs previous 13F +3 shares

    0.12% of the 13F portfolio, value $253,572.

    13F-HR 0001085146-25-003760 filed by Quad-Cities Investment Group, LLC
    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 519 shares
    Change vs previous 13F 0 shares

    0.14% of the 13F portfolio, value $276,409.

    13F-HR 0001085146-25-001959 filed by Quad-Cities Investment Group, LLC
    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 519 shares
    Change vs previous 13F not available

    0.12% of the 13F portfolio, value $235,252.

    13F-HR 0001085146-25-000168 filed by Quad-Cities Investment Group, LLC
    Filed (acceptance time not in the bulk data set), ingested

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