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Disclosery

WULFF, HANSEN & CO.: BRK-B position timeline

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

WULFF, HANSEN & CO. held 4,585 BRK-B shares at 2026-06-30 per its 13F-HR filed 2026-08-05.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 4,585 shares
    Change vs previous 13F +763 shares

    1.76% of the 13F portfolio, value $2,294,288.

    13F-HR 0000108634-26-000015 filed by WULFF, HANSEN & 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 3,822 shares
    Change vs previous 13F +60 shares

    1.87% of the 13F portfolio, value $1,831,503.

    13F-HR 0000108634-26-000013 filed by WULFF, HANSEN & 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 3,762 shares
    Change vs previous 13F -70 shares

    1.59% of the 13F portfolio, value $1,890,969.

    13F-HR 0000108634-26-000002 filed by WULFF, HANSEN & 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 3,832 shares
    Change vs previous 13F -280 shares

    1.66% of the 13F portfolio, value $1,926,500.

    13F-HR 0000108634-25-000010 filed by WULFF, HANSEN & 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 4,112 shares
    Change vs previous 13F -85 shares

    1.71% of the 13F portfolio, value $1,997,486.

    13F-HR 0000108634-25-000009 filed by WULFF, HANSEN & 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 4,197 shares
    Change vs previous 13F -400 shares

    2.04% of the 13F portfolio, value $2,235,238.

    13F-HR 0000108634-25-000006 filed by WULFF, HANSEN & 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 4,597 shares
    Change vs previous 13F -100 shares

    1.97% of the 13F portfolio, value $2,083,728.

    13F-HR 0000108634-25-000003 filed by WULFF, HANSEN & 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 4,697 shares
    Change vs previous 13F not available

    1.96% of the 13F portfolio, value $2,161,841.

    13F-HR 0000108634-24-000014 filed by WULFF, HANSEN & CO.
    Filed (acceptance time not in the bulk data set), ingested

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