Skip to content
Disclosery

Cormorant Asset Management, LP: BBIO position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of Cormorant Asset Management, LP on BBIO, newest first. How the timeline and the estimate are built.

Cormorant Asset Management, LP held 550,000 BBIO 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 550,000 shares
    Change vs previous 13F -300,000 shares

    2.1% of the 13F portfolio, value $40,964,000.

    13F-HR 0001583977-26-000007 filed by Cormorant Asset Management, LP
    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 850,000 shares
    Change vs previous 13F -350,000 shares

    3.18% of the 13F portfolio, value $63,121,000.

    13F-HR 0001583977-26-000002 filed by Cormorant Asset Management, LP
    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 1,200,000 shares
    Change vs previous 13F -200,000 shares

    5.2% of the 13F portfolio, value $91,788,000.

    13F-HR 0001583977-26-000001 filed by Cormorant Asset Management, LP
    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 1,400,000 shares
    Change vs previous 13F -200,000 shares

    5.02% of the 13F portfolio, value $72,716,000.

    13F-HR 0001583977-25-000011 filed by Cormorant Asset Management, LP
    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 1,600,000 shares
    Change vs previous 13F -400,000 shares

    5.15% of the 13F portfolio, value $69,088,000.

    13F-HR 0001583977-25-000007 filed by Cormorant Asset Management, LP
    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 2,000,000 shares
    Change vs previous 13F +400,000 shares

    5.23% of the 13F portfolio, value $69,140,000.

    13F-HR 0001583977-25-000005 filed by Cormorant Asset Management, LP
    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 1,600,000 shares
    Change vs previous 13F -258,351 shares

    2.41% of the 13F portfolio, value $43,904,000.

    13F-HR 0001583977-25-000001 filed by Cormorant Asset Management, LP
    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 1,858,351 shares
    Change vs previous 13F not available

    2.51% of the 13F portfolio, value $47,313,616.

    13F-HR 0001583977-24-000006 filed by Cormorant Asset Management, LP
    Filed (acceptance time not in the bulk data set), ingested

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