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Cormorant Asset Management, LP: BIOA position timeline

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

Cormorant Asset Management, LP held 2,390,605 BIOA 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 2,390,605 shares
    Change vs previous 13F -500,000 shares

    3% of the 13F portfolio, value $58,593,729.

    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 2,890,605 shares
    Change vs previous 13F +850,000 shares

    2.55% of the 13F portfolio, value $50,556,681.

    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 2,040,605 shares
    Change vs previous 13F -100,000 shares

    1.53% of the 13F portfolio, value $26,997,204.

    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 2,140,605 shares
    Change vs previous 13F 0 shares

    0.87% of the 13F portfolio, value $12,586,757.

    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 2,140,605 shares
    Change vs previous 13F -488,924 shares

    0.66% of the 13F portfolio, value $8,840,699.

    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 2,629,529 shares
    Change vs previous 13F 0 shares

    0.75% of the 13F portfolio, value $9,887,029.

    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 2,629,529 shares
    Change vs previous 13F +1,000,000 shares

    0.84% of the 13F portfolio, value $15,224,973.

    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 1,629,529 shares
    Change vs previous 13F not available

    1.8% of the 13F portfolio, value $33,894,203.

    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).