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Disclosery

BlackRock, Inc.: IONS position timeline

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

BlackRock, Inc. held 10,704,660 IONS shares at 2026-06-30 per its 13F-HR filed 2026-08-07.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 10,704,660 shares
    Change vs previous 13F +262,184 shares

    0.01% of the 13F portfolio, value $848,772,532.

    13F-HR 0002012383-26-003238 filed by BlackRock, Inc.
    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 10,442,476 shares
    Change vs previous 13F -205,387 shares

    0.01% of the 13F portfolio, value $784,125,524.

    13F-HR 0002012383-26-001841 filed by BlackRock, Inc.
    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 10,647,863 shares
    Change vs previous 13F +199,923 shares

    0.01% of the 13F portfolio, value $842,352,443.

    13F-HR 0002012383-26-000920 filed by BlackRock, Inc.
    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 10,447,940 shares
    Change vs previous 13F -448,997 shares

    0.01% of the 13F portfolio, value $683,504,235.

    13F-HR 0002012383-25-002949 filed by BlackRock, Inc.
    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 10,896,937 shares
    Change vs previous 13F -367,505 shares

    0.01% of the 13F portfolio, value $430,537,983.

    13F-HR 0001060021-25-000120 filed by BlackRock, Inc.
    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 11,264,442 shares
    Change vs previous 13F -401,106 shares

    0.01% of the 13F portfolio, value $339,848,216.

    13F-HR 0001576419-25-000869 filed by BlackRock, Inc.
    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 11,665,548 shares
    Change vs previous 13F +852,525 shares

    0.01% of the 13F portfolio, value $407,827,557.

    13F-HR 0001060021-25-000002 filed by BlackRock, Inc.
    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 10,813,023 shares
    Change vs previous 13F not available

    0.01% of the 13F portfolio, value $433,169,702.

    13F-HR 0001426459-24-000006 filed by BlackRock, Inc.
    Filed (acceptance time not in the bulk data set), ingested

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