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Disclosery

Capital World Investors: AMT position timeline

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

Capital World Investors held 6,554,891 AMT 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 6,554,891 shares
    Change vs previous 13F +887,003 shares

    0.13% of the 13F portfolio, value $1,072,183,521.

    13F-HR 0001422849-26-000113 filed by Capital World 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 5,667,888 shares
    Change vs previous 13F +1,446,797 shares

    0.13% of the 13F portfolio, value $978,164,111.

    13F-HR 0001422849-26-000046 filed by Capital World 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 4,221,091 shares
    Change vs previous 13F +12,382 shares

    0.1% of the 13F portfolio, value $741,096,947.

    13F-HR 0001422849-26-000010 filed by Capital World 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 4,208,709 shares
    Change vs previous 13F +168,464 shares

    0.11% of the 13F portfolio, value $809,418,915.

    13F-HR 0001422849-25-000069 filed by Capital World 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 4,040,245 shares
    Change vs previous 13F +8,702 shares

    0.13% of the 13F portfolio, value $892,974,950.

    13F-HR 0001422848-25-000151 filed by Capital World 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 4,031,543 shares
    Change vs previous 13F -888,557 shares

    0.14% of the 13F portfolio, value $877,263,757.

    13F-HR 0000732812-25-000016 filed by Capital World 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 4,920,100 shares
    Change vs previous 13F +3,032,005 shares

    0.14% of the 13F portfolio, value $902,395,541.

    13F-HR 0001422848-25-000012 filed by Capital World 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 1,888,095 shares
    Change vs previous 13F not available

    0.07% of the 13F portfolio, value $439,095,373.

    13F-HR 0000017283-24-000032 filed by Capital World Investors
    Filed (acceptance time not in the bulk data set), ingested

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