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Disclosery

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

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

Asset Management One Co., Ltd. held 0 AMPG shares at 2025-09-30 per its 13F-HR filed 2025-10-22.

the latest 13F is the newest step

  1. period ended2025-09-30
    13F 0 shares
    Change vs previous 13F -66,184 shares

    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).

    Exited: the 13F for this period no longer lists the position.

  2. period ended2025-06-30
    13F 66,184 shares
    Change vs previous 13F +611 shares

    <0.01% of the 13F portfolio, value $140,310.

    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).

  3. period ended2025-03-31
    13F 65,573 shares
    Change vs previous 13F not available

    <0.01% of the 13F portfolio, value $101,638.

    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).