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Disclosery

ORBIMED ADVISORS LLC: IONS position timeline

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

ORBIMED ADVISORS LLC held 0 IONS shares at 2025-06-30 per its 13F-HR filed 2025-08-14.

the latest 13F is the newest step

  1. period ended2025-06-30
    13F 0 shares
    Change vs previous 13F -2,540,136 shares

    13F-HR 0001172661-25-003514 filed by ORBIMED ADVISORS LLC
    Filed (acceptance time not in the bulk data set), ingested

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

    Exited: the 13F for this period no longer lists the position.

  2. period ended2025-03-31
    13F 2,540,136 shares
    Change vs previous 13F -277,211 shares

    1.84% of the 13F portfolio, value $76,635,903.

    13F-HR 0001172661-25-002355 filed by ORBIMED 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 ended2024-12-31
    13F 2,817,347 shares
    Change vs previous 13F +492,900 shares

    2.05% of the 13F portfolio, value $98,494,451.

    13F-HR 0001172661-25-001136 filed by ORBIMED 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 ended2024-09-30
    13F 2,324,447 shares
    Change vs previous 13F not available

    1.7% of the 13F portfolio, value $93,117,347.

    13F-HR 0001172661-24-005167 filed by ORBIMED ADVISORS LLC
    Filed (acceptance time not in the bulk data set), ingested

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