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Disclosery

Seneca House Advisors: BRK-B position timeline

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

Seneca House Advisors held 1,294 BRK-B shares at 2026-06-30 per its 13F-HR filed 2026-07-31.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 1,294 shares
    Change vs previous 13F +61 shares

    0.23% of the 13F portfolio, value $647,505.

    13F-HR 0001731359-26-000003 filed by Seneca House Advisors
    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 1,233 shares
    Change vs previous 13F -81 shares

    0.23% of the 13F portfolio, value $590,854.

    13F-HR 0001731359-26-000002 filed by Seneca House Advisors
    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 1,314 shares
    Change vs previous 13F +51 shares

    0.25% of the 13F portfolio, value $660,482.

    13F-HR 0001731359-26-000001 filed by Seneca House Advisors
    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 1,263 shares
    Change vs previous 13F +150 shares

    0.26% of the 13F portfolio, value $634,961.

    13F-HR 0001085146-25-005905 filed by Seneca House Advisors
    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 1,113 shares
    Change vs previous 13F +123 shares

    0.23% of the 13F portfolio, value $540,662.

    13F-HR 0001085146-25-003609 filed by Seneca House Advisors
    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 990 shares
    Change vs previous 13F +32 shares

    0.22% of the 13F portfolio, value $527,254.

    13F-HR 0001085146-25-002062 filed by Seneca House Advisors
    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 958 shares
    Change vs previous 13F -74 shares

    0.17% of the 13F portfolio, value $434,242.

    13F-HR 0001085146-25-000312 filed by Seneca House Advisors
    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 1,032 shares
    Change vs previous 13F not available

    0.2% of the 13F portfolio, value $474,988.

    13F-HR 0001085146-24-004633 filed by Seneca House Advisors
    Filed (acceptance time not in the bulk data set), ingested

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