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Disclosery

BlackRock, Inc.: ARWR position timeline

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

BlackRock, Inc. held 14,830,553 ARWR 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 14,830,553 shares
    Change vs previous 13F -3,330,966 shares

    0.02% of the 13F portfolio, value $1,208,838,379.

    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 18,161,519 shares
    Change vs previous 13F -3,157,063 shares

    0.02% of the 13F portfolio, value $1,138,727,235.

    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 21,318,582 shares
    Change vs previous 13F +1,093,757 shares

    0.02% of the 13F portfolio, value $1,415,340,659.

    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 20,224,825 shares
    Change vs previous 13F +799,938 shares

    0.01% of the 13F portfolio, value $697,554,214.

    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 19,424,887 shares
    Change vs previous 13F -501,267 shares

    0.01% of the 13F portfolio, value $306,913,213.

    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 19,926,154 shares
    Change vs previous 13F +3,748,154 shares

    0.01% of the 13F portfolio, value $253,859,202.

    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 16,178,000 shares
    Change vs previous 13F +342,088 shares

    0.01% of the 13F portfolio, value $304,146,400.

    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 15,835,912 shares
    Change vs previous 13F not available

    0.01% of the 13F portfolio, value $306,741,615.

    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).