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BLAIR WILLIAM & CO/IL: NBIX position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of BLAIR WILLIAM & CO/IL on NBIX, newest first. How the timeline and the estimate are built.

BLAIR WILLIAM & CO/IL held 51,511 NBIX shares at 2026-06-30 per its 13F-HR filed 2026-08-11.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 51,511 shares
    Change vs previous 13F +47,566 shares

    0.02% of the 13F portfolio, value $8,681,406.

    13F-HR 0001104659-26-093821 filed by BLAIR WILLIAM & CO/IL
    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 3,945 shares
    Change vs previous 13F -555 shares

    <0.01% of the 13F portfolio, value $519,714.

    13F-HR 0001104659-26-057897 filed by BLAIR WILLIAM & CO/IL
    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 4,500 shares
    Change vs previous 13F +39 shares

    <0.01% of the 13F portfolio, value $638,235.

    13F-HR 0001104659-26-015563 filed by BLAIR WILLIAM & CO/IL
    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 4,461 shares
    Change vs previous 13F -203 shares

    <0.01% of the 13F portfolio, value $626,235.

    13F-HR 0001104659-25-109927 filed by BLAIR WILLIAM & CO/IL
    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 4,664 shares
    Change vs previous 13F -1,550 shares

    <0.01% of the 13F portfolio, value $586,218.

    13F-HR 0001104659-25-070274 filed by BLAIR WILLIAM & CO/IL
    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 6,214 shares
    Change vs previous 13F -242 shares

    <0.01% of the 13F portfolio, value $687,268.

    13F-HR 0001104659-25-046545 filed by BLAIR WILLIAM & CO/IL
    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 6,456 shares
    Change vs previous 13F +12 shares

    <0.01% of the 13F portfolio, value $881,244.

    13F-HR 0001104659-25-011872 filed by BLAIR WILLIAM & CO/IL
    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 6,444 shares
    Change vs previous 13F not available

    <0.01% of the 13F portfolio, value $742,478.

    13F-HR 0001104659-24-116499 filed by BLAIR WILLIAM & CO/IL
    Filed (acceptance time not in the bulk data set), ingested

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