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Disclosery

Capital World Investors: IONS position timeline

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

Capital World Investors held 21,669,226 IONS 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 21,669,226 shares
    Change vs previous 13F +482,857 shares

    0.2% of the 13F portfolio, value $1,718,152,930.

    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 21,186,369 shares
    Change vs previous 13F +3,225,070 shares

    0.22% of the 13F portfolio, value $1,590,884,448.

    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 17,961,299 shares
    Change vs previous 13F +5,238,571 shares

    0.19% of the 13F portfolio, value $1,420,918,364.

    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 12,722,728 shares
    Change vs previous 13F +182,540 shares

    0.11% of the 13F portfolio, value $832,320,866.

    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 12,540,188 shares
    Change vs previous 13F +178,194 shares

    0.07% of the 13F portfolio, value $495,462,828.

    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 12,361,994 shares
    Change vs previous 13F +896,581 shares

    0.06% of the 13F portfolio, value $372,961,359.

    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 11,465,413 shares
    Change vs previous 13F +3,637,041 shares

    0.06% of the 13F portfolio, value $400,830,838.

    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 7,828,372 shares
    Change vs previous 13F not available

    0.05% of the 13F portfolio, value $313,604,582.

    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).