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Disclosery

PECAUT & CO.: BRK-B position timeline

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

PECAUT & CO. held 58,483 BRK-B shares at 2026-06-30 per its 13F-HR filed 2026-08-03.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 58,483 shares
    Change vs previous 13F +1,382 shares

    8.92% of the 13F portfolio, value $29,264,308.

    13F-HR 0001398344-26-013359 filed by PECAUT & 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 57,101 shares
    Change vs previous 13F -1,178 shares

    8.88% of the 13F portfolio, value $27,362,799.

    13F-HR 0001398344-26-008869 filed by PECAUT & 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 58,279 shares
    Change vs previous 13F -3,374 shares

    9.45% of the 13F portfolio, value $29,293,939.

    13F-HR 0001398344-26-002609 filed by PECAUT & 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 61,653 shares
    Change vs previous 13F -393 shares

    9.96% of the 13F portfolio, value $30,995,429.

    13F-HR 0001398344-25-020159 filed by PECAUT & 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 62,046 shares
    Change vs previous 13F -341 shares

    10.01% of the 13F portfolio, value $30,140,085.

    13F-HR 0001398344-25-015447 filed by PECAUT & 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 62,387 shares
    Change vs previous 13F -3,230 shares

    11.31% of the 13F portfolio, value $33,226,068.

    13F-HR 0001398344-25-008587 filed by PECAUT & 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 65,617 shares
    Change vs previous 13F -539 shares

    10.27% of the 13F portfolio, value $29,742,874.

    13F-HR 0001398344-25-002396 filed by PECAUT & 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 66,156 shares
    Change vs previous 13F not available

    10.77% of the 13F portfolio, value $30,448,961.

    13F-HR 0001398344-24-020033 filed by PECAUT & CO.
    Filed (acceptance time not in the bulk data set), ingested

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