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Disclosery

PRIMECAP MANAGEMENT CO/CA/: NBIX position timeline

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

PRIMECAP MANAGEMENT CO/CA/ held 491,340 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 491,340 shares
    Change vs previous 13F -5,000 shares

    0.05% of the 13F portfolio, value $82,807,988.

    13F-HR 0000763212-26-000028 filed by PRIMECAP MANAGEMENT CO/CA/
    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 496,340 shares
    Change vs previous 13F -11,400 shares

    0.05% of the 13F portfolio, value $65,387,830.

    13F-HR 0000763212-26-000016 filed by PRIMECAP MANAGEMENT CO/CA/
    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 507,740 shares
    Change vs previous 13F -4,520 shares

    0.05% of the 13F portfolio, value $72,012,765.

    13F-HR 0000763212-26-000012 filed by PRIMECAP MANAGEMENT CO/CA/
    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 512,260 shares
    Change vs previous 13F -11,780 shares

    0.06% of the 13F portfolio, value $71,911,059.

    13F-HR 0000763212-25-000005 filed by PRIMECAP MANAGEMENT CO/CA/
    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 524,040 shares
    Change vs previous 13F +141,600 shares

    0.05% of the 13F portfolio, value $65,866,588.

    13F-HR 0001085146-25-004804 filed by PRIMECAP MANAGEMENT CO/CA/
    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 382,440 shares
    Change vs previous 13F -11,270 shares

    0.03% of the 13F portfolio, value $42,297,864.

    13F-HR 0001085146-25-002901 filed by PRIMECAP MANAGEMENT CO/CA/
    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 393,710 shares
    Change vs previous 13F -10,290 shares

    0.04% of the 13F portfolio, value $53,741,415.

    13F-HR 0001085146-25-000946 filed by PRIMECAP MANAGEMENT CO/CA/
    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 404,000 shares
    Change vs previous 13F not available

    0.03% of the 13F portfolio, value $46,548,878.

    13F-HR 0001085146-24-005460 filed by PRIMECAP MANAGEMENT CO/CA/
    Filed (acceptance time not in the bulk data set), ingested

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