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SECTORAL ASSET MANAGEMENT INC: IONS position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of SECTORAL ASSET MANAGEMENT INC on IONS, newest first. How the timeline and the estimate are built.

SECTORAL ASSET MANAGEMENT INC held 7,200 IONS 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 7,200 shares
    Change vs previous 13F 0 shares

    0.4% of the 13F portfolio, value $570,888.

    13F-HR 0001104659-26-096554 filed by SECTORAL ASSET MANAGEMENT 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 7,200 shares
    Change vs previous 13F -1,165 shares

    0.51% of the 13F portfolio, value $617,240.

    13F-HR 0001104659-26-062046 filed by SECTORAL ASSET MANAGEMENT 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 8,365 shares
    Change vs previous 13F -840 shares

    0.53% of the 13F portfolio, value $661,755.

    13F-HR 0001104659-26-011921 filed by SECTORAL ASSET MANAGEMENT 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 9,205 shares
    Change vs previous 13F 0 shares

    0.37% of the 13F portfolio, value $602,191.

    13F-HR 0001104659-25-112082 filed by SECTORAL ASSET MANAGEMENT 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 9,205 shares
    Change vs previous 13F -235 shares

    0.24% of the 13F portfolio, value $363,690.

    13F-HR 0001104659-25-078356 filed by SECTORAL ASSET MANAGEMENT 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 9,440 shares
    Change vs previous 13F +2,240 shares

    0.22% of the 13F portfolio, value $284,805.

    13F-HR 0001104659-25-049125 filed by SECTORAL ASSET MANAGEMENT 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 7,200 shares
    Change vs previous 13F -2,240 shares

    0.17% of the 13F portfolio, value $251,712.

    13F-HR 0001104659-25-013709 filed by SECTORAL ASSET MANAGEMENT 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 9,440 shares
    Change vs previous 13F not available

    0.22% of the 13F portfolio, value $378,166.

    13F-HR 0001104659-24-118494 filed by SECTORAL ASSET MANAGEMENT INC
    Filed (acceptance time not in the bulk data set), ingested

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