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Disclosery

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

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

Asset Management One Co., Ltd. held 96,318 WST 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 96,318 shares
    Change vs previous 13F +21,521 shares

    0.09% of the 13F portfolio, value $34,571,449.

    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 74,797 shares
    Change vs previous 13F -50,207 shares

    0.06% of the 13F portfolio, value $18,737,253.

    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 125,004 shares
    Change vs previous 13F +55,229 shares

    0.1% of the 13F portfolio, value $34,437,906.

    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 69,775 shares
    Change vs previous 13F +10,009 shares

    0.05% of the 13F portfolio, value $18,304,076.

    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 59,766 shares
    Change vs previous 13F +101 shares

    0.04% of the 13F portfolio, value $13,076,801.

    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 59,665 shares
    Change vs previous 13F +12,805 shares

    0.05% of the 13F portfolio, value $13,357,800.

    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 46,860 shares
    Change vs previous 13F +4,812 shares

    0.05% of the 13F portfolio, value $15,614,689.

    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 42,048 shares
    Change vs previous 13F not available

    0.04% of the 13F portfolio, value $12,621,128.

    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).