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VIKING GLOBAL INVESTORS LP: BBIO position timeline

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

VIKING GLOBAL INVESTORS LP held 9,949,219 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 9,949,219 shares
    Change vs previous 13F -1,893,215 shares

    2.11% of the 13F portfolio, value $741,017,831.

    13F-HR 0001103804-26-000006 filed by VIKING GLOBAL INVESTORS 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 11,842,434 shares
    Change vs previous 13F -2,551,500 shares

    2.46% of the 13F portfolio, value $879,419,149.

    13F-HR 0001103804-26-000004 filed by VIKING GLOBAL INVESTORS 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 14,393,934 shares
    Change vs previous 13F -1,583,915 shares

    2.92% of the 13F portfolio, value $1,100,992,012.

    13F-HR 0001103804-26-000002 filed by VIKING GLOBAL INVESTORS 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 15,977,849 shares
    Change vs previous 13F -2,577,526 shares

    2.16% of the 13F portfolio, value $829,889,477.

    13F-HR 0001103804-25-000010 filed by VIKING GLOBAL INVESTORS 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 18,555,375 shares
    Change vs previous 13F -3,500,000 shares

    2.32% of the 13F portfolio, value $801,221,093.

    13F-HR 0001103804-25-000007 filed by VIKING GLOBAL INVESTORS 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 22,055,375 shares
    Change vs previous 13F -3,065,616 shares

    2.42% of the 13F portfolio, value $762,454,314.

    13F-HR 0001103804-25-000004 filed by VIKING GLOBAL INVESTORS 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 25,120,991 shares
    Change vs previous 13F 0 shares

    2.23% of the 13F portfolio, value $689,319,993.

    13F-HR 0001103804-25-000002 filed by VIKING GLOBAL INVESTORS 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 25,120,991 shares
    Change vs previous 13F not available

    2.33% of the 13F portfolio, value $639,580,431.

    13F-HR 0001103804-24-000006 filed by VIKING GLOBAL INVESTORS LP
    Filed (acceptance time not in the bulk data set), ingested

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