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Disclosery

MARSHALL WACE, LLP: IONS position timeline

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

MARSHALL WACE, LLP held 8,501 IONS shares at 2026-06-30 per its 13F-HR filed 2026-08-13.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 8,501 shares
    Change vs previous 13F -87,453 shares

    <0.01% of the 13F portfolio, value $674,044.

    13F-HR 0001318757-26-000010 filed by MARSHALL WACE, LLP
    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 95,954 shares
    Change vs previous 13F -160,979 shares

    0.01% of the 13F portfolio, value $7,205,186.

    13F-HR 0001318757-26-000005 filed by MARSHALL WACE, LLP
    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 256,933 shares
    Change vs previous 13F -701,896 shares

    0.02% of the 13F portfolio, value $20,325,970.

    13F-HR 0001318757-26-000003 filed by MARSHALL WACE, LLP
    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 958,829 shares
    Change vs previous 13F +945,729 shares

    0.07% of the 13F portfolio, value $62,726,594.

    13F-HR 0001318757-25-000046 filed by MARSHALL WACE, LLP
    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 13,100 shares
    Change vs previous 13F +3,998 shares

    <0.01% of the 13F portfolio, value $517,581.

    13F-HR 0001318757-25-000034 filed by MARSHALL WACE, LLP
    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 9,102 shares
    Change vs previous 13F -803,204 shares

    <0.01% of the 13F portfolio, value $274,608.

    13F-HR 0001318757-25-000023 filed by MARSHALL WACE, LLP
    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 812,306 shares
    Change vs previous 13F -1,108,158 shares

    0.04% of the 13F portfolio, value $28,398,216.

    13F-HR 0002048047-25-000005 filed by MARSHALL WACE, LLP
    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 1,920,464 shares
    Change vs previous 13F not available

    0.1% of the 13F portfolio, value $76,933,792.

    13F-HR 0001318757-24-000018 filed by MARSHALL WACE, LLP
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).