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Disclosery

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

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

Asset Management One Co., Ltd. held 98,311 STX 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 98,311 shares
    Change vs previous 13F +5,228 shares

    0.24% of the 13F portfolio, value $94,870,115.

    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 93,083 shares
    Change vs previous 13F +2,171 shares

    0.11% of the 13F portfolio, value $36,466,196.

    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 90,912 shares
    Change vs previous 13F +480 shares

    0.07% of the 13F portfolio, value $25,564,125.

    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 90,432 shares
    Change vs previous 13F +390 shares

    0.06% of the 13F portfolio, value $21,347,378.

    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 90,042 shares
    Change vs previous 13F +1,021 shares

    0.04% of the 13F portfolio, value $12,995,762.

    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 89,021 shares
    Change vs previous 13F +4,799 shares

    0.03% of the 13F portfolio, value $7,562,334.

    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 84,222 shares
    Change vs previous 13F +7,599 shares

    0.03% of the 13F portfolio, value $7,360,161.

    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 76,623 shares
    Change vs previous 13F not available

    0.03% of the 13F portfolio, value $8,392,517.

    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).