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Avoro Capital Advisors LLC: ARGX position timeline

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

Avoro Capital Advisors LLC held 1,000,000 ARGX 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 1,000,000 shares
    Change vs previous 13F 0 shares

    8.33% of the 13F portfolio, value $927,770,000.

    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 1,000,000 shares
    Change vs previous 13F +10,000 shares

    7.19% of the 13F portfolio, value $730,250,000.

    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 990,000 shares
    Change vs previous 13F 0 shares

    8.18% of the 13F portfolio, value $832,540,500.

    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 990,000 shares
    Change vs previous 13F -185,000 shares

    9.45% of the 13F portfolio, value $730,184,400.

    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 1,175,000 shares
    Change vs previous 13F -60,177 shares

    11.34% of the 13F portfolio, value $647,683,500.

    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 1,235,177 shares
    Change vs previous 13F -3,290 shares

    11.41% of the 13F portfolio, value $731,058,035.

    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 1,238,467 shares
    Change vs previous 13F 0 shares

    10.77% of the 13F portfolio, value $761,657,205.

    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 1,238,467 shares
    Change vs previous 13F not available

    9.79% of the 13F portfolio, value $671,348,191.

    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).