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Disclosery

Hemenway Trust Co LLC: BRK-B position timeline

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

Hemenway Trust Co LLC held 2,096 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 2,096 shares
    Change vs previous 13F -861 shares

    0.07% of the 13F portfolio, value $1,048,817.

    13F-HR 0001494234-26-000006 filed by Hemenway Trust Co 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 2,957 shares
    Change vs previous 13F -1,480 shares

    0.11% of the 13F portfolio, value $1,416,994.

    13F-HR 0001494234-26-000003 filed by Hemenway Trust Co 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 4,437 shares
    Change vs previous 13F +122 shares

    0.17% of the 13F portfolio, value $2,230,258.

    13F-HR 0001494234-26-000002 filed by Hemenway Trust Co 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 4,315 shares
    Change vs previous 13F -58 shares

    0.17% of the 13F portfolio, value $2,169,323.

    13F-HR 0001494234-25-000015 filed by Hemenway Trust Co 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 4,373 shares
    Change vs previous 13F +755 shares

    0.16% of the 13F portfolio, value $2,124,272.

    13F-HR 0001494234-25-000012 filed by Hemenway Trust Co 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 3,618 shares
    Change vs previous 13F +680 shares

    0.16% of the 13F portfolio, value $1,926,874.

    13F-HR 0001494234-25-000009 filed by Hemenway Trust Co 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 2,938 shares
    Change vs previous 13F +76 shares

    0.11% of the 13F portfolio, value $1,331,737.

    13F-HR 0001494234-25-000002 filed by Hemenway Trust Co 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 2,862 shares
    Change vs previous 13F not available

    0.1% of the 13F portfolio, value $1,317,264.

    13F-HR 0001494234-24-000007 filed by Hemenway Trust Co LLC
    Filed (acceptance time not in the bulk data set), ingested

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