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Echo45 Advisors LLC: BRK-B position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of Echo45 Advisors LLC on BRK-B, newest first. How the timeline and the estimate are built.

Echo45 Advisors LLC held 697 BRK-B shares at 2026-09-30 per its 13F-HR filed 2026-10-07.

the latest 13F is the newest step

  1. period ended2026-09-30
    13F 697 shares
    Change vs previous 13F -72 shares

    0.16% of the 13F portfolio, value $347,071.

    13F-HR 0001908617-26-000007 filed by Echo45 Advisors LLC
    Accepted , ingested

  2. period ended2026-06-30
    13F 769 shares
    Change vs previous 13F -164 shares

    0.2% of the 13F portfolio, value $384,800.

    13F-HR 0001908617-26-000005 filed by Echo45 Advisors 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 933 shares
    Change vs previous 13F +68 shares

    0.25% of the 13F portfolio, value $447,094.

    13F-HR 0001908617-26-000004 filed by Echo45 Advisors 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 865 shares
    Change vs previous 13F -87 shares

    0.25% of the 13F portfolio, value $434,792.

    13F-HR 0001908617-26-000003 filed by Echo45 Advisors 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 952 shares
    Change vs previous 13F -32 shares

    0.28% of the 13F portfolio, value $478,608.

    13F-HR 0001908617-25-000013 filed by Echo45 Advisors 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 984 shares
    Change vs previous 13F +137 shares

    0.3% of the 13F portfolio, value $477,998.

    13F-HR 0001908617-25-000006 filed by Echo45 Advisors 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 847 shares
    Change vs previous 13F -23 shares

    0.3% of the 13F portfolio, value $451,095.

    13F-HR 0001908617-25-000003 filed by Echo45 Advisors 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 870 shares
    Change vs previous 13F not available

    0.26% of the 13F portfolio, value $394,597.

    13F-HR 0001908617-25-000001 filed by Echo45 Advisors LLC
    Filed (acceptance time not in the bulk data set), ingested

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