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Hudson Bay Capital Management LP: NBIX position timeline

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

Hudson Bay Capital Management LP held 130,000 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 130,000 shares
    Change vs previous 13F -265,850 shares

    0.1% of the 13F portfolio, value $21,909,550.

    13F-HR 0001393825-26-000058 filed by Hudson Bay 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 395,850 shares
    Change vs previous 13F +90,850 shares

    0.31% of the 13F portfolio, value $52,149,279.

    13F-HR 0001393825-26-000041 filed by Hudson Bay 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 305,000 shares
    Change vs previous 13F +264,490 shares

    0.25% of the 13F portfolio, value $43,258,150.

    13F-HR 0001393825-26-000021 filed by Hudson Bay 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/A 40,510 shares
    Change vs previous 13F -37,083 shares

    0.03% of the 13F portfolio, value $5,686,794.

    13F-HR/A 0001393825-25-000093 filed by Hudson Bay 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/A 77,593 shares
    Change vs previous 13F -72,787 shares

    0.06% of the 13F portfolio, value $9,752,664.

    13F-HR/A 0001393825-25-000066 filed by Hudson Bay 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 150,380 shares
    Change vs previous 13F +120,038 shares

    0.11% of the 13F portfolio, value $16,632,028.

    13F-HR 0001393825-25-000010 filed by Hudson Bay 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 30,342 shares
    Change vs previous 13F -9,658 shares

    0.03% of the 13F portfolio, value $4,141,683.

    13F-HR 0002033916-25-000027 filed by Hudson Bay 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 40,000 shares
    Change vs previous 13F not available

    0.03% of the 13F portfolio, value $4,608,800.

    13F-HR 0002033916-24-000083 filed by Hudson Bay Capital Management LP
    Filed (acceptance time not in the bulk data set), ingested

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