Skip to content
Disclosery

PERCEPTIVE ADVISORS LLC: SION position timeline

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

PERCEPTIVE ADVISORS LLC held 905,000 SION 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 905,000 shares
    Change vs previous 13F +246,561 shares

    0.62% of the 13F portfolio, value $39,810,950.

    13F-HR 0001012975-26-000777 filed by PERCEPTIVE 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/A 658,439 shares
    Change vs previous 13F -520,659 shares

    0.52% of the 13F portfolio, value $26,396,820.

    13F-HR/A 0001012975-26-000499 filed by PERCEPTIVE 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 1,179,098 shares
    Change vs previous 13F 0 shares

    0.89% of the 13F portfolio, value $48,508,092.

    13F-HR 0001012975-26-000155 filed by PERCEPTIVE 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 1,179,098 shares
    Change vs previous 13F -36,947 shares

    1% of the 13F portfolio, value $34,677,272.

    13F-HR 0001012975-25-000762 filed by PERCEPTIVE 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 1,216,045 shares
    Change vs previous 13F -35,056 shares

    0.79% of the 13F portfolio, value $21,098,381.

    13F-HR 0001012975-25-000446 filed by PERCEPTIVE 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/A 1,251,101 shares
    Change vs previous 13F not available

    0.46% of the 13F portfolio, value $13,086,516.

    13F-HR/A 0001012975-25-000422 filed by PERCEPTIVE ADVISORS LLC
    Filed (acceptance time not in the bulk data set), ingested

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