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Seelaus Asset Management LLC: BRK-B position timeline

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

Seelaus Asset Management LLC held 4,972 BRK-B shares at 2026-09-30 per its 13F-HR filed 2026-10-14.

the latest 13F is the newest step

  1. period ended2026-09-30
    13F 4,972 shares
    Change vs previous 13F -100 shares

    1.82% of the 13F portfolio, value $2,475,807.

    13F-HR 0001705655-26-000007 filed by Seelaus Asset Management LLC
    Accepted , ingested

  2. period ended2026-06-30
    13F 5,072 shares
    Change vs previous 13F -500 shares

    1.78% of the 13F portfolio, value $2,537,978.

    13F-HR 0001705655-26-000003 filed by Seelaus 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 ended2026-03-31
    13F 5,572 shares
    Change vs previous 13F 0 shares

    1.93% of the 13F portfolio, value $2,670,102.

    13F-HR 0001705655-26-000002 filed by Seelaus 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 ended2025-12-31
    13F 5,572 shares
    Change vs previous 13F +160 shares

    2.22% of the 13F portfolio, value $2,800,766.

    13F-HR 0001705655-26-000001 filed by Seelaus 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 ended2025-09-30
    13F/A 5,412 shares
    Change vs previous 13F -45 shares

    2.16% of the 13F portfolio, value $2,720,829.

    13F-HR/A 0001705655-25-000007 filed by Seelaus 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 ended2025-06-30
    13F 5,457 shares
    Change vs previous 13F 0 shares

    2.35% of the 13F portfolio, value $2,650,847.

    13F-HR 0001705655-25-000003 filed by Seelaus 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 ended2025-03-31
    13F 5,457 shares
    Change vs previous 13F -175 shares

    2.77% of the 13F portfolio, value $2,906,289.

    13F-HR 0001705655-25-000002 filed by Seelaus 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 ended2024-12-31
    13F 5,632 shares
    Change vs previous 13F not available

    2.32% of the 13F portfolio, value $2,552,873.

    13F-HR 0001705655-25-000001 filed by Seelaus Asset Management LLC
    Filed (acceptance time not in the bulk data set), ingested

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