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PRIMECAP MANAGEMENT CO/CA/: ALKS position timeline

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

PRIMECAP MANAGEMENT CO/CA/ held 2,528,680 ALKS 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 2,528,680 shares
    Change vs previous 13F -11,310 shares

    0.08% of the 13F portfolio, value $132,490,188.

    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 2,539,990 shares
    Change vs previous 13F -24,310 shares

    0.07% of the 13F portfolio, value $89,814,046.

    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 2,564,300 shares
    Change vs previous 13F -194,780 shares

    0.05% of the 13F portfolio, value $71,749,112.

    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 2,759,080 shares
    Change vs previous 13F -143,430 shares

    0.06% of the 13F portfolio, value $82,772,400.

    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 2,902,510 shares
    Change vs previous 13F -101,585 shares

    0.07% of the 13F portfolio, value $83,040,811.

    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 3,004,095 shares
    Change vs previous 13F -91,415 shares

    0.08% of the 13F portfolio, value $99,195,219.

    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 3,095,510 shares
    Change vs previous 13F -201,605 shares

    0.07% of the 13F portfolio, value $89,026,866.

    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 3,297,115 shares
    Change vs previous 13F not available

    0.07% of the 13F portfolio, value $92,286,250.

    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).