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Hikari Tsushin, Inc.: BRK-B position timeline

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

Hikari Tsushin, Inc. held 36,013 BRK-B shares at 2026-06-30 per its 13F-HR filed 2026-08-12.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 36,013 shares
    Change vs previous 13F +4,233 shares

    1.2% of the 13F portfolio, value $18,020,545.

    13F-HR 0001423673-26-000004 filed by Hikari Tsushin, Inc.
    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 31,780 shares
    Change vs previous 13F +3,902 shares

    1.05% of the 13F portfolio, value $15,228,976.

    13F-HR 0001423673-26-000002 filed by Hikari Tsushin, Inc.
    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 27,878 shares
    Change vs previous 13F 0 shares

    0.91% of the 13F portfolio, value $14,012,877.

    13F-HR 0001423673-26-000001 filed by Hikari Tsushin, Inc.
    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 27,878 shares
    Change vs previous 13F +3,205 shares

    0.94% of the 13F portfolio, value $14,015,386.

    13F-HR 0001423673-25-000005 filed by Hikari Tsushin, Inc.
    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 24,673 shares
    Change vs previous 13F +979 shares

    0.85% of the 13F portfolio, value $11,985,403.

    13F-HR 0001423673-25-000003 filed by Hikari Tsushin, Inc.
    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 23,694 shares
    Change vs previous 13F +134 shares

    0.85% of the 13F portfolio, value $12,618,951.

    13F-HR 0001423673-25-000002 filed by Hikari Tsushin, Inc.
    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 23,560 shares
    Change vs previous 13F 0 shares

    0.78% of the 13F portfolio, value $10,679,277.

    13F-HR 0001423673-25-000001 filed by Hikari Tsushin, Inc.
    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 23,560 shares
    Change vs previous 13F not available

    0.77% of the 13F portfolio, value $10,843,726.

    13F-HR 0001423673-24-000004 filed by Hikari Tsushin, Inc.
    Filed (acceptance time not in the bulk data set), ingested

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