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Disclosery

Driehaus Capital Management LLC: IONS position timeline

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

Driehaus Capital Management LLC held 0 IONS shares at 2025-03-31 per its 13F-HR filed 2025-05-15.

the latest 13F is the newest step

  1. period ended2025-03-31
    13F 0 shares
    Change vs previous 13F -180,002 shares

    13F-HR 0000938206-25-000012 filed by Driehaus Capital Management 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 ended2024-12-31
    13F 180,002 shares
    Change vs previous 13F -49,967 shares

    0.05% of the 13F portfolio, value $6,292,870.

    13F-HR 0000938206-25-000009 filed by Driehaus Capital Management LLC
    Filed (acceptance time not in the bulk data set), ingested

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

  3. period ended2024-09-30
    13F 229,969 shares
    Change vs previous 13F not available

    0.08% of the 13F portfolio, value $9,212,558.

    13F-HR 0000938206-24-000037 filed by Driehaus Capital Management LLC
    Filed (acceptance time not in the bulk data set), ingested

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