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Capital Research Global Investors: ATI position timeline

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

Capital Research Global Investors held 5,093,768 ATI 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 5,093,768 shares
    Change vs previous 13F -1,066,339 shares

    0.14% of the 13F portfolio, value $1,003,985,098.

    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 6,160,107 shares
    Change vs previous 13F +2,548,383 shares

    0.14% of the 13F portfolio, value $895,961,750.

    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 3,611,724 shares
    Change vs previous 13F +386,754 shares

    0.08% of the 13F portfolio, value $414,481,446.

    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 3,224,970 shares
    Change vs previous 13F 0 shares

    0.05% of the 13F portfolio, value $262,319,060.

    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 3,224,970 shares
    Change vs previous 13F +2,622,011 shares

    0.06% of the 13F portfolio, value $278,443,910.

    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 602,959 shares
    Change vs previous 13F not available

    0.01% of the 13F portfolio, value $31,371,957.

    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).