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Disclosery

Capital World Investors: ARGX position timeline

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

Capital World Investors held 2,199,770 ARGX 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 2,199,770 shares
    Change vs previous 13F -56,446 shares

    0.24% of the 13F portfolio, value $2,040,767,346.

    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 2,256,216 shares
    Change vs previous 13F +339,982 shares

    0.22% of the 13F portfolio, value $1,647,408,306.

    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 1,916,234 shares
    Change vs previous 13F -43,270 shares

    0.22% of the 13F portfolio, value $1,611,433,480.

    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 1,959,504 shares
    Change vs previous 13F +8,422 shares

    0.2% of the 13F portfolio, value $1,445,113,283.

    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 1,951,082 shares
    Change vs previous 13F +13,090 shares

    0.16% of the 13F portfolio, value $1,075,541,279.

    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 1,937,992 shares
    Change vs previous 13F +151,056 shares

    0.19% of the 13F portfolio, value $1,147,009,565.

    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 1,786,936 shares
    Change vs previous 13F +86,687 shares

    0.17% of the 13F portfolio, value $1,099,001,759.

    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 1,700,249 shares
    Change vs previous 13F not available

    0.14% of the 13F portfolio, value $921,627,127.

    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).