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TOKIO MARINE HOLDINGS, INC.: BRK-B position timeline

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

TOKIO MARINE HOLDINGS, INC. held 50,731 BRK-B shares at 2026-06-30 per its 13F-HR filed 2026-07-30.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 50,731 shares
    Change vs previous 13F +2,456 shares

    0.79% of the 13F portfolio, value $25,385,285.

    13F-HR 0001172661-26-002939 filed by TOKIO MARINE ASSET MANAGEMENT CO LTD
    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 48,275 shares
    Change vs previous 13F +1,683 shares

    0.83% of the 13F portfolio, value $23,133,380.

    13F-HR 0001172661-26-001752 filed by TOKIO MARINE ASSET MANAGEMENT CO LTD
    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 46,592 shares
    Change vs previous 13F +1,990 shares

    0.81% of the 13F portfolio, value $23,419,469.

    13F-HR 0001172661-26-000319 filed by TOKIO MARINE ASSET MANAGEMENT CO LTD
    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 44,602 shares
    Change vs previous 13F +1,979 shares

    0.8% of the 13F portfolio, value $22,423,209.

    13F-HR 0001172661-25-004430 filed by TOKIO MARINE ASSET MANAGEMENT CO LTD
    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 42,623 shares
    Change vs previous 13F +2,757 shares

    0.79% of the 13F portfolio, value $20,704,975.

    13F-HR 0001172661-25-003069 filed by TOKIO MARINE ASSET MANAGEMENT CO LTD
    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 39,866 shares
    Change vs previous 13F +2,560 shares

    0.77% of the 13F portfolio, value $21,231,834.

    13F-HR 0001172661-25-001725 filed by TOKIO MARINE ASSET MANAGEMENT CO LTD
    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 37,306 shares
    Change vs previous 13F +1,252 shares

    0.6% of the 13F portfolio, value $16,910,064.

    13F-HR 0001172661-25-000342 filed by TOKIO MARINE ASSET MANAGEMENT CO LTD
    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 36,054 shares
    Change vs previous 13F not available

    0.73% of the 13F portfolio, value $16,594,214.

    13F-HR 0001172661-24-004481 filed by TOKIO MARINE ASSET MANAGEMENT CO LTD
    Filed (acceptance time not in the bulk data set), ingested

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