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Disclosery

Korea Investment CORP: BIIB position timeline

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

Korea Investment CORP held 33,574 BIIB 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 33,574 shares
    Change vs previous 13F -40,414 shares

    0.01% of the 13F portfolio, value $7,253,998.

    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 73,988 shares
    Change vs previous 13F +20,081 shares

    0.03% of the 13F portfolio, value $13,564,220.

    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 53,907 shares
    Change vs previous 13F -6,501 shares

    0.02% of the 13F portfolio, value $9,487,093.

    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 60,408 shares
    Change vs previous 13F -1,100 shares

    0.02% of the 13F portfolio, value $8,461,953.

    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 61,508 shares
    Change vs previous 13F -4,900 shares

    0.02% of the 13F portfolio, value $7,724,790.

    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 66,408 shares
    Change vs previous 13F +6,300 shares

    0.02% of the 13F portfolio, value $9,087,271.

    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 60,108 shares
    Change vs previous 13F -2,100 shares

    0.02% of the 13F portfolio, value $9,191,715.

    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 62,208 shares
    Change vs previous 13F not available

    0.03% of the 13F portfolio, value $12,058,399.

    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).