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Disclosery

RK Asset Management, LLC: BRK-B position timeline

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

RK Asset Management, LLC held 12,477 BRK-B shares at 2025-12-31 per its 13F-HR filed 2026-01-05.

the latest 13F is the newest step

  1. period ended2025-12-31
    13F 12,477 shares
    Change vs previous 13F -923 shares

    5.92% of the 13F portfolio, value $6,272,000.

    13F-HR 0001595686-26-000002 filed by RK Asset Management, LLC
    Filed (acceptance time not in the bulk data set), ingested

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

  2. period ended2025-09-30
    13F 13,400 shares
    Change vs previous 13F +37 shares

    6.13% of the 13F portfolio, value $6,737,000.

    13F-HR 0001595686-25-000012 filed by RK Asset Management, LLC
    Filed (acceptance time not in the bulk data set), ingested

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

  3. period ended2025-06-30
    13F 13,363 shares
    Change vs previous 13F -19 shares

    6.25% of the 13F portfolio, value $6,485,000.

    13F-HR 0001595686-25-000010 filed by RK Asset Management, LLC
    Filed (acceptance time not in the bulk data set), ingested

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

  4. period ended2025-03-31
    13F 13,382 shares
    Change vs previous 13F -471 shares

    6.58% of the 13F portfolio, value $7,127,000.

    13F-HR 0001595686-25-000004 filed by RK Asset Management, LLC
    Filed (acceptance time not in the bulk data set), ingested

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

  5. period ended2024-12-31
    13F 13,853 shares
    Change vs previous 13F -583 shares

    5.13% of the 13F portfolio, value $6,279,000.

    13F-HR 0001595686-25-000002 filed by RK Asset Management, LLC
    Filed (acceptance time not in the bulk data set), ingested

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

  6. period ended2024-09-30
    13F 14,436 shares
    Change vs previous 13F +727 shares

    5.11% of the 13F portfolio, value $6,644,000.

    13F-HR 0001595686-24-000008 filed by RK Asset Management, LLC
    Filed (acceptance time not in the bulk data set), ingested

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

  7. period ended2024-06-30
    13F 13,709 shares
    Change vs previous 13F -845 shares

    4.82% of the 13F portfolio, value $5,577,000.

    13F-HR 0001595686-24-000006 filed by RK Asset Management, LLC
    Filed (acceptance time not in the bulk data set), ingested

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

  8. period ended2024-03-31
    13F 14,554 shares
    Change vs previous 13F not available

    4.98% of the 13F portfolio, value $6,120,000.

    13F-HR 0001595686-24-000004 filed by RK Asset Management, LLC
    Filed (acceptance time not in the bulk data set), ingested

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