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Disclosery

Capital Research Global Investors: MTRN position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of Capital Research Global Investors on MTRN, newest first. How the timeline and the estimate are built.

Capital Research Global Investors held 1,000,456 MTRN shares at 2026-06-30 per its 13F-HR filed 2026-08-12.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 1,000,456 shares
    Change vs previous 13F +210,583 shares

    0.04% of the 13F portfolio, value $297,525,610.

    13F-HR 0001422848-26-000094 filed by Capital Research Global Investors
    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 789,873 shares
    Change vs previous 13F -1,104,046 shares

    0.02% of the 13F portfolio, value $114,255,129.

    13F-HR 0001422848-26-000041 filed by Capital Research Global Investors
    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 1,893,919 shares
    Change vs previous 13F -17,746 shares

    0.04% of the 13F portfolio, value $235,452,010.

    13F-HR 0001422848-26-000005 filed by Capital Research Global Investors
    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 1,911,665 shares
    Change vs previous 13F 0 shares

    0.04% of the 13F portfolio, value $230,948,249.

    13F-HR 0001422848-25-000223 filed by Capital Research Global Investors
    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 1,911,665 shares
    Change vs previous 13F +49,021 shares

    0.03% of the 13F portfolio, value $151,728,851.

    13F-HR 0001422848-25-000149 filed by Capital Research Global Investors
    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 1,862,644 shares
    Change vs previous 13F +24,160 shares

    0.03% of the 13F portfolio, value $151,991,750.

    13F-HR 0000732812-25-000014 filed by Capital Research Global Investors
    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 1,838,484 shares
    Change vs previous 13F +257,637 shares

    0.04% of the 13F portfolio, value $181,789,298.

    13F-HR 0001422848-25-000010 filed by Capital Research Global Investors
    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 1,580,847 shares
    Change vs previous 13F not available

    0.04% of the 13F portfolio, value $176,833,545.

    13F-HR 0000017283-24-000030 filed by Capital Research Global Investors
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).