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Disclosery

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

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

Asset Management One Co., Ltd. held 8,596 MTRN 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 8,596 shares
    Change vs previous 13F -2,833 shares

    0.01% of the 13F portfolio, value $2,546,610.

    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 11,429 shares
    Change vs previous 13F not available

    <0.01% of the 13F portfolio, value $1,641,890.

    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).