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Kovack Advisors, Inc.: BRK-B position timeline

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

Kovack Advisors, Inc. held 27,240 BRK-B shares at 2026-06-30 per its 13F-HR filed 2026-07-29.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 27,240 shares
    Change vs previous 13F -925 shares

    0.65% of the 13F portfolio, value $13,617,435.

    13F-HR 0001728321-26-000004 filed by Kovack Advisors, Inc.
    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 28,165 shares
    Change vs previous 13F -2,723 shares

    0.72% of the 13F portfolio, value $13,481,755.

    13F-HR 0001728321-26-000003 filed by Kovack Advisors, Inc.
    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/A 30,888 shares
    Change vs previous 13F +7,087 shares

    0.73% of the 13F portfolio, value $15,526,001.

    13F-HR/A 0001728321-26-000002 filed by Kovack Advisors, Inc.
    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 23,801 shares
    Change vs previous 13F -1,637 shares

    1.13% of the 13F portfolio, value $11,965,463.

    13F-HR 0001728321-25-000005 filed by Kovack Advisors, Inc.
    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 25,438 shares
    Change vs previous 13F +420 shares

    1.21% of the 13F portfolio, value $12,356,774.

    13F-HR 0001085146-25-004483 filed by Kovack Advisors, Inc.
    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 25,018 shares
    Change vs previous 13F -255 shares

    1.41% of the 13F portfolio, value $13,324,311.

    13F-HR 0001085146-25-002653 filed by Kovack Advisors, Inc.
    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 25,273 shares
    Change vs previous 13F +596 shares

    1.12% of the 13F portfolio, value $11,455,620.

    13F-HR 0001085146-25-000776 filed by Kovack Advisors, Inc.
    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 24,677 shares
    Change vs previous 13F not available

    1.2% of the 13F portfolio, value $11,357,836.

    13F-HR 0001085146-24-005367 filed by Kovack Advisors, Inc.
    Filed (acceptance time not in the bulk data set), ingested

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