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Avoro Capital Advisors LLC: ARWR position timeline

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

Avoro Capital Advisors LLC held 11,355,555 ARWR shares at 2026-06-30 per its 13F-HR filed 2026-08-14.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 11,355,555 shares
    Change vs previous 13F +655,556 shares

    8.31% of the 13F portfolio, value $925,591,288.

    13F-HR 0001104659-26-096427 filed by Avoro Capital Advisors LLC
    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 10,699,999 shares
    Change vs previous 13F +74,999 shares

    6.61% of the 13F portfolio, value $670,889,937.

    13F-HR 0001104659-26-061754 filed by Avoro Capital Advisors LLC
    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/A 10,625,000 shares
    Change vs previous 13F -275,000 shares

    6.93% of the 13F portfolio, value $705,393,750.

    13F-HR/A 0001104659-26-027799 filed by Avoro Capital Advisors LLC
    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 10,900,000 shares
    Change vs previous 13F +300,000 shares

    4.86% of the 13F portfolio, value $375,941,000.

    13F-HR 0001104659-25-111932 filed by Avoro Capital Advisors LLC
    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 10,600,000 shares
    Change vs previous 13F -511,111 shares

    2.93% of the 13F portfolio, value $167,480,000.

    13F-HR 0001104659-25-078127 filed by Avoro Capital Advisors LLC
    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 11,111,111 shares
    Change vs previous 13F 0 shares

    2.21% of the 13F portfolio, value $141,555,554.

    13F-HR 0001104659-25-048904 filed by Avoro Capital Advisors LLC
    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 11,111,111 shares
    Change vs previous 13F +2,222,223 shares

    2.95% of the 13F portfolio, value $208,888,887.

    13F-HR 0001104659-25-013529 filed by Avoro Capital Advisors LLC
    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 8,888,888 shares
    Change vs previous 13F not available

    2.51% of the 13F portfolio, value $172,177,761.

    13F-HR 0001104659-24-118335 filed by Avoro Capital Advisors LLC
    Filed (acceptance time not in the bulk data set), ingested

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