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Disclosery

SOMERVILLE KURT F: BRK-B position timeline

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

SOMERVILLE KURT F held 2,060 BRK-B shares at 2026-06-30 per its 13F-HR filed 2026-08-11.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 2,060 shares
    Change vs previous 13F -210 shares

    0.25% of the 13F portfolio, value $1,030,803.

    13F-HR 0001215208-26-000005 filed by SOMERVILLE KURT F
    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 2,270 shares
    Change vs previous 13F -303 shares

    0.29% of the 13F portfolio, value $1,087,784.

    13F-HR 0001215208-26-000002 filed by SOMERVILLE KURT F
    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 2,573 shares
    Change vs previous 13F -575 shares

    0.22% of the 13F portfolio, value $1,293,318.

    13F-HR 0001215208-26-000001 filed by SOMERVILLE KURT F
    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 3,148 shares
    Change vs previous 13F -103 shares

    0.26% of the 13F portfolio, value $1,582,626.

    13F-HR 0001215208-25-000008 filed by SOMERVILLE KURT F
    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 3,251 shares
    Change vs previous 13F -63 shares

    0.27% of the 13F portfolio, value $1,579,237.

    13F-HR 0001314376-25-000003 filed by SOMERVILLE KURT F
    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 3,314 shares
    Change vs previous 13F +200 shares

    0.31% of the 13F portfolio, value $1,764,971.

    13F-HR 0001215208-25-000001 filed by SOMERVILLE KURT F
    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 3,114 shares
    Change vs previous 13F -285 shares

    0.24% of the 13F portfolio, value $1,411,514.

    13F-HR 0001494234-25-000005 filed by SOMERVILLE KURT F
    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 3,399 shares
    Change vs previous 13F not available

    0.25% of the 13F portfolio, value $1,564,424.

    13F-HR 0001053914-24-000005 filed by SOMERVILLE KURT F
    Filed (acceptance time not in the bulk data set), ingested

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