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Disclosery

FAIRFIELD, BUSH & CO.: BRK-B position timeline

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

FAIRFIELD, BUSH & CO. held 757 BRK-B shares at 2026-06-30 per its 13F-HR filed 2026-08-13.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 757 shares
    Change vs previous 13F 0 shares

    0.19% of the 13F portfolio, value $378,795.

    13F-HR 0001116247-26-000003 filed by FAIRFIELD, BUSH & CO.
    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 757 shares
    Change vs previous 13F -15 shares

    0.2% of the 13F portfolio, value $362,754.

    13F-HR 0001116247-26-000002 filed by FAIRFIELD, BUSH & CO.
    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 772 shares
    Change vs previous 13F -15 shares

    0.2% of the 13F portfolio, value $388,046.

    13F-HR 0001116247-26-000001 filed by FAIRFIELD, BUSH & CO.
    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 787 shares
    Change vs previous 13F -55 shares

    0.2% of the 13F portfolio, value $395,656.

    13F-HR 0001116247-25-000005 filed by FAIRFIELD, BUSH & CO.
    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 842 shares
    Change vs previous 13F -40 shares

    0.23% of the 13F portfolio, value $409,018.

    13F-HR 0001116247-25-000003 filed by FAIRFIELD, BUSH & CO.
    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 882 shares
    Change vs previous 13F +89 shares

    0.3% of the 13F portfolio, value $469,736.

    13F-HR 0001116247-25-000002 filed by FAIRFIELD, BUSH & CO.
    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 793 shares
    Change vs previous 13F -61 shares

    0.21% of the 13F portfolio, value $359,451.

    13F-HR 0001116247-25-000001 filed by FAIRFIELD, BUSH & CO.
    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 854 shares
    Change vs previous 13F not available

    0.23% of the 13F portfolio, value $393,062.

    13F-HR 0001116247-24-000005 filed by FAIRFIELD, BUSH & CO.
    Filed (acceptance time not in the bulk data set), ingested

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