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SEAMOUNT FINANCIAL GROUP INC: BRK-B position timeline

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

SEAMOUNT FINANCIAL GROUP INC held 14,077 BRK-B shares at 2026-06-30 per its 13F-HR filed 2026-07-24.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 14,077 shares
    Change vs previous 13F -1,165 shares

    2.84% of the 13F portfolio, value $7,043,990.

    13F-HR 0002011267-26-000003 filed by SEAMOUNT FINANCIAL GROUP 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 15,242 shares
    Change vs previous 13F +373 shares

    3.29% of the 13F portfolio, value $7,303,966.

    13F-HR 0002011267-26-000002 filed by SEAMOUNT FINANCIAL GROUP 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 14,869 shares
    Change vs previous 13F -204 shares

    3.39% of the 13F portfolio, value $7,473,903.

    13F-HR 0002011267-26-000001 filed by SEAMOUNT FINANCIAL GROUP 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 15,073 shares
    Change vs previous 13F -369 shares

    3.58% of the 13F portfolio, value $7,577,800.

    13F-HR 0002011267-25-000003 filed by SEAMOUNT FINANCIAL GROUP 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 15,442 shares
    Change vs previous 13F +5,451 shares

    3.86% of the 13F portfolio, value $7,501,260.

    13F-HR 0001085146-25-004042 filed by SEAMOUNT FINANCIAL GROUP 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 9,991 shares
    Change vs previous 13F +70 shares

    3.62% of the 13F portfolio, value $5,321,007.

    13F-HR 0001085146-25-002499 filed by SEAMOUNT FINANCIAL GROUP 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 9,921 shares
    Change vs previous 13F -265 shares

    3.11% of the 13F portfolio, value $4,496,991.

    13F-HR 0001085146-25-000529 filed by SEAMOUNT FINANCIAL GROUP 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 10,186 shares
    Change vs previous 13F not available

    3.53% of the 13F portfolio, value $4,688,208.

    13F-HR 0001085146-24-005015 filed by SEAMOUNT FINANCIAL GROUP INC
    Filed (acceptance time not in the bulk data set), ingested

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