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Ervin Investment Management, LLC: BRK-B position timeline

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

Ervin Investment Management, LLC held 78,831 BRK-B shares at 2026-06-30 per its 13F-HR filed 2026-07-14.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 78,831 shares
    Change vs previous 13F -2,360 shares

    21.43% of the 13F portfolio, value $39,446,171.

    13F-HR 0001907802-26-000005 filed by Ervin Investment 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 ended2026-03-31
    13F 81,191 shares
    Change vs previous 13F +331 shares

    22.78% of the 13F portfolio, value $38,906,490.

    13F-HR 0001907802-26-000003 filed by Ervin Investment 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 ended2025-12-31
    13F/A 80,860 shares
    Change vs previous 13F +349 shares

    22.77% of the 13F portfolio, value $40,644,031.

    13F-HR/A 0001907802-26-000002 filed by Ervin Investment 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 ended2025-09-30
    13F 80,511 shares
    Change vs previous 13F -436 shares

    23.17% of the 13F portfolio, value $40,475,852.

    13F-HR 0001907802-25-000006 filed by Ervin Investment 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 ended2025-06-30
    13F 80,947 shares
    Change vs previous 13F -5,099 shares

    24.6% of the 13F portfolio, value $39,321,773.

    13F-HR 0001907802-25-000005 filed by Ervin Investment 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 ended2025-03-31
    13F 86,046 shares
    Change vs previous 13F -1,275 shares

    30.93% of the 13F portfolio, value $45,826,542.

    13F-HR 0001907802-25-000003 filed by Ervin Investment 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 ended2024-12-31
    13F 87,321 shares
    Change vs previous 13F -2,865 shares

    25.54% of the 13F portfolio, value $39,581,002.

    13F-HR 0001907802-25-000001 filed by Ervin Investment 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 ended2024-09-30
    13F 90,186 shares
    Change vs previous 13F not available

    26.64% of the 13F portfolio, value $41,509,149.

    13F-HR 0001907802-24-000005 filed by Ervin Investment Management, LLC
    Filed (acceptance time not in the bulk data set), ingested

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