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MainStreet Investment Advisors LLC: BRK-B position timeline

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

MainStreet Investment Advisors LLC held 3,258 BRK-B shares at 2026-06-30 per its 13F-HR filed 2026-08-12.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 3,258 shares
    Change vs previous 13F -97 shares

    0.22% of the 13F portfolio, value $1,630,271.

    13F-HR 0001765380-26-000357 filed by MainStreet Investment Advisors 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 3,355 shares
    Change vs previous 13F -101 shares

    0.24% of the 13F portfolio, value $1,607,716.

    13F-HR 0001765380-26-000200 filed by MainStreet Investment 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 ended2025-12-31
    13F 3,456 shares
    Change vs previous 13F -194 shares

    0.25% of the 13F portfolio, value $1,737,158.

    13F-HR 0001765380-26-000089 filed by MainStreet Investment 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 ended2025-09-30
    13F 3,650 shares
    Change vs previous 13F +480 shares

    0.25% of the 13F portfolio, value $1,835,001.

    13F-HR 0001765380-25-000457 filed by MainStreet Investment 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 ended2025-06-30
    13F 3,170 shares
    Change vs previous 13F +2,339 shares

    0.21% of the 13F portfolio, value $1,539,891.

    13F-HR 0001765380-25-000323 filed by MainStreet Investment 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 ended2025-03-31
    13F 831 shares
    Change vs previous 13F 0 shares

    0.06% of the 13F portfolio, value $442,574.

    13F-HR 0001765380-25-000153 filed by MainStreet Investment 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 ended2024-12-31
    13F 831 shares
    Change vs previous 13F 0 shares

    0.05% of the 13F portfolio, value $376,676.

    13F-HR 0001765380-25-000112 filed by MainStreet Investment 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 ended2024-09-30
    13F 831 shares
    Change vs previous 13F not available

    0.05% of the 13F portfolio, value $382,476.

    13F-HR 0001765380-24-000426 filed by MainStreet Investment Advisors LLC
    Filed (acceptance time not in the bulk data set), ingested

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