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Disclosery

Korea Investment CORP: AMAT position timeline

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

Korea Investment CORP held 580,859 AMAT 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 580,859 shares
    Change vs previous 13F -39,242 shares

    0.8% of the 13F portfolio, value $419,961,057.

    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 620,101 shares
    Change vs previous 13F -63,644 shares

    0.44% of the 13F portfolio, value $211,944,321.

    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 683,745 shares
    Change vs previous 13F +45,138 shares

    0.35% of the 13F portfolio, value $175,715,628.

    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 638,607 shares
    Change vs previous 13F +32,181 shares

    0.27% of the 13F portfolio, value $130,748,397.

    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 606,426 shares
    Change vs previous 13F -7,849 shares

    0.25% of the 13F portfolio, value $111,018,408.

    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 614,275 shares
    Change vs previous 13F -27,053 shares

    0.22% of the 13F portfolio, value $89,143,588.

    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 641,328 shares
    Change vs previous 13F -82,004 shares

    0.25% of the 13F portfolio, value $104,299,173.

    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 723,332 shares
    Change vs previous 13F not available

    0.35% of the 13F portfolio, value $146,149,231.

    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).