Skip to content
Disclosery

Korea Investment CORP: BRK-B position timeline

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

Korea Investment CORP held 921,095 BRK-B 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 921,095 shares
    Change vs previous 13F -120,648 shares

    0.88% of the 13F portfolio, value $460,906,727.

    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 1,041,743 shares
    Change vs previous 13F +15,996 shares

    1.03% of the 13F portfolio, value $499,203,246.

    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 1,025,747 shares
    Change vs previous 13F +13,970 shares

    1.01% of the 13F portfolio, value $515,591,730.

    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 1,011,777 shares
    Change vs previous 13F -15,956 shares

    1.05% of the 13F portfolio, value $508,660,769.

    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 1,027,733 shares
    Change vs previous 13F -15,387 shares

    1.11% of the 13F portfolio, value $499,241,859.

    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 1,043,120 shares
    Change vs previous 13F +26,068 shares

    1.35% of the 13F portfolio, value $555,544,850.

    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 1,017,052 shares
    Change vs previous 13F -37,560 shares

    1.09% of the 13F portfolio, value $461,009,331.

    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 1,054,612 shares
    Change vs previous 13F not available

    1.15% of the 13F portfolio, value $485,395,719.

    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).