Skip to content
Disclosery

PERCEPTIVE ADVISORS LLC: BSX position timeline

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

PERCEPTIVE ADVISORS LLC held 250,000 BSX 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 250,000 shares
    Change vs previous 13F +250,000 shares

    0.17% of the 13F portfolio, value $10,670,000.

    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 0 shares
    Change vs previous 13F -979,000 shares

    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).

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

  3. period ended2025-12-31
    13F 979,000 shares
    Change vs previous 13F +669,000 shares

    1.71% of the 13F portfolio, value $93,347,650.

    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 310,000 shares
    Change vs previous 13F +30,000 shares

    0.87% of the 13F portfolio, value $30,265,300.

    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 280,000 shares
    Change vs previous 13F +150,000 shares

    1.13% of the 13F portfolio, value $30,074,800.

    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 130,000 shares
    Change vs previous 13F not available

    0.47% of the 13F portfolio, value $13,114,400.

    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).