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Disclosery

Asset Management One Co., Ltd.: ROK position timeline

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

Asset Management One Co., Ltd. held 61,558 ROK shares at 2026-06-30 per its 13F-HR filed 2026-07-28.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 61,558 shares
    Change vs previous 13F +3,777 shares

    0.08% of the 13F portfolio, value $30,476,135.

    13F-HR 0001193125-26-318819 filed by Asset Management One 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 57,781 shares
    Change vs previous 13F -234 shares

    0.06% of the 13F portfolio, value $20,736,445.

    13F-HR 0001193125-26-213217 filed by Asset Management One 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 58,015 shares
    Change vs previous 13F +8,938 shares

    0.06% of the 13F portfolio, value $22,996,215.

    13F-HR 0001193125-26-023286 filed by Asset Management One 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 49,077 shares
    Change vs previous 13F -350 shares

    0.05% of the 13F portfolio, value $17,153,884.

    13F-HR 0001193125-25-245770 filed by Asset Management One 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 49,427 shares
    Change vs previous 13F +2,691 shares

    0.05% of the 13F portfolio, value $16,418,167.

    13F-HR 0000950123-25-006830 filed by Asset Management One 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 46,736 shares
    Change vs previous 13F +994 shares

    0.04% of the 13F portfolio, value $12,075,648.

    13F-HR 0000950123-25-003633 filed by Asset Management One 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 45,742 shares
    Change vs previous 13F +1,046 shares

    0.05% of the 13F portfolio, value $13,288,051.

    13F-HR 0000950123-25-000714 filed by Asset Management One 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 44,696 shares
    Change vs previous 13F not available

    0.04% of the 13F portfolio, value $11,999,088.

    13F-HR 0000950123-24-010027 filed by Asset Management One Co., Ltd.
    Filed (acceptance time not in the bulk data set), ingested

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