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Korea Investment CORP: AMT position timeline

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

Korea Investment CORP held 438,103 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 438,103 shares
    Change vs previous 13F +247,967 shares

    0.14% of the 13F portfolio, value $71,660,508.

    13F-HR 0001193125-26-345356 filed by Korea Investment CORP
    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 190,136 shares
    Change vs previous 13F -151,571 shares

    0.07% of the 13F portfolio, value $32,813,671.

    13F-HR 0001193125-26-220193 filed by Korea Investment CORP
    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 341,707 shares
    Change vs previous 13F -216,392 shares

    0.12% of the 13F portfolio, value $59,993,498.

    13F-HR 0001193125-26-049826 filed by Korea Investment CORP
    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 558,099 shares
    Change vs previous 13F +190,171 shares

    0.22% of the 13F portfolio, value $107,333,600.

    13F-HR 0001193125-25-278769 filed by Korea Investment CORP
    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 367,928 shares
    Change vs previous 13F +111,580 shares

    0.18% of the 13F portfolio, value $81,319,447.

    13F-HR 0000950123-25-007710 filed by Korea Investment CORP
    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 256,348 shares
    Change vs previous 13F -110,453 shares

    0.14% of the 13F portfolio, value $55,781,325.

    13F-HR 0000950123-25-005044 filed by Korea Investment CORP
    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 366,801 shares
    Change vs previous 13F +96,153 shares

    0.16% of the 13F portfolio, value $67,274,971.

    13F-HR 0000950123-25-001668 filed by Korea Investment CORP
    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 270,648 shares
    Change vs previous 13F not available

    0.15% of the 13F portfolio, value $62,941,899.

    13F-HR 0000950123-24-011055 filed by Korea Investment CORP
    Filed (acceptance time not in the bulk data set), ingested

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