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Disclosery

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

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

Asset Management One Co., Ltd. held 603,894 WMB 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 603,894 shares
    Change vs previous 13F +86,015 shares

    0.12% of the 13F portfolio, value $44,893,480.

    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 517,879 shares
    Change vs previous 13F +144 shares

    0.11% of the 13F portfolio, value $37,691,234.

    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 517,735 shares
    Change vs previous 13F -20,012 shares

    0.09% of the 13F portfolio, value $30,963,255.

    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 537,747 shares
    Change vs previous 13F -25,951 shares

    0.1% of the 13F portfolio, value $34,066,272.

    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 563,698 shares
    Change vs previous 13F +16,503 shares

    0.11% of the 13F portfolio, value $35,405,871.

    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 547,195 shares
    Change vs previous 13F +21,650 shares

    0.11% of the 13F portfolio, value $32,700,373.

    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 525,545 shares
    Change vs previous 13F -20,936 shares

    0.1% of the 13F portfolio, value $28,347,897.

    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 546,481 shares
    Change vs previous 13F not available

    0.09% of the 13F portfolio, value $24,946,858.

    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).