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Sarissa Capital Management LP: NBIX position timeline

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

Sarissa Capital Management LP held 116,533 NBIX 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 116,533 shares
    Change vs previous 13F 0 shares

    11.04% of the 13F portfolio, value $19,639,889.

    13F-HR 0000899140-26-000879 filed by Sarissa Capital 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 116,533 shares
    Change vs previous 13F -186,618 shares

    9.74% of the 13F portfolio, value $15,352,057.

    13F-HR 0000899140-26-000574 filed by Sarissa Capital 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 303,151 shares
    Change vs previous 13F 0 shares

    19.29% of the 13F portfolio, value $42,995,906.

    13F-HR 0000899140-26-000256 filed by Sarissa Capital 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 303,151 shares
    Change vs previous 13F 0 shares

    23.59% of the 13F portfolio, value $42,556,337.

    13F-HR 0000899140-25-001320 filed by Sarissa Capital 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 303,151 shares
    Change vs previous 13F -5,965 shares

    24.68% of the 13F portfolio, value $38,103,049.

    13F-HR 0000899140-25-000986 filed by Sarissa Capital 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 309,116 shares
    Change vs previous 13F 0 shares

    22.1% of the 13F portfolio, value $34,188,230.

    13F-HR 0000899140-25-000705 filed by Sarissa Capital 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 309,116 shares
    Change vs previous 13F -101,367 shares

    13.07% of the 13F portfolio, value $42,194,334.

    13F-HR 0000899140-25-000321 filed by Sarissa Capital 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 410,483 shares
    Change vs previous 13F not available

    11.76% of the 13F portfolio, value $47,295,851.

    13F-HR 0000899140-24-001252 filed by Sarissa Capital Management LP
    Filed (acceptance time not in the bulk data set), ingested

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