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Disclosery

Resona Asset Management Co.,Ltd.: BRK-B position timeline

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

Resona Asset Management Co.,Ltd. held 416,096 BRK-B shares at 2026-06-30 per its 13F-HR filed 2026-07-29.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 416,096 shares
    Change vs previous 13F -27,008 shares

    0.98% of the 13F portfolio, value $207,821,363.

    13F-HR 0001104659-26-087744 filed by Resona 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 443,104 shares
    Change vs previous 13F +10,084 shares

    1.06% of the 13F portfolio, value $211,952,965.

    13F-HR 0001104659-26-051959 filed by Resona 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 433,020 shares
    Change vs previous 13F -9,003 shares

    1.05% of the 13F portfolio, value $217,531,282.

    13F-HR 0001104659-26-011184 filed by Resona 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 442,023 shares
    Change vs previous 13F -16,692 shares

    1.05% of the 13F portfolio, value $221,963,912.

    13F-HR 0001104659-25-104600 filed by Resona 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 458,715 shares
    Change vs previous 13F +25,969 shares

    1.09% of the 13F portfolio, value $222,823,412.

    13F-HR 0001104659-25-074466 filed by Resona 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 432,746 shares
    Change vs previous 13F +33,114 shares

    1.33% of the 13F portfolio, value $230,047,097.

    13F-HR 0001104659-25-047484 filed by Resona 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 399,632 shares
    Change vs previous 13F -18,867 shares

    1.07% of the 13F portfolio, value $181,331,315.

    13F-HR 0001104659-25-012367 filed by Resona 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 418,499 shares
    Change vs previous 13F not available

    1.12% of the 13F portfolio, value $192,460,930.

    13F-HR 0001104659-25-015402 filed by Resona 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).