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Disclosery

Hingham Institution for Savings: BRK-B position timeline

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

Hingham Institution for Savings held 41,450 BRK-B shares at 2026-06-30 per its 13F-HR filed 2026-07-21.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 41,450 shares
    Change vs previous 13F 0 shares

    15.44% of the 13F portfolio, value $20,741,166.

    13F-HR 0001754960-26-000560 filed by Hingham Institution for Savings
    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 41,450 shares
    Change vs previous 13F 0 shares

    17.55% of the 13F portfolio, value $19,862,840.

    13F-HR 0001754960-26-000256 filed by Hingham Institution for Savings
    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/A 41,450 shares
    Change vs previous 13F not available

    17.07% of the 13F portfolio, value $20,834,843.

    13F-HR/A 0001754960-26-000141 filed by Hingham Institution for Savings
    Filed (acceptance time not in the bulk data set), ingested

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