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PRIMECAP MANAGEMENT CO/CA/: ELAN position timeline

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

PRIMECAP MANAGEMENT CO/CA/ held 45,445,012 ELAN 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 45,445,012 shares
    Change vs previous 13F -395,944 shares

    0.66% of the 13F portfolio, value $1,118,401,745.

    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 45,840,956 shares
    Change vs previous 13F -373,132 shares

    0.86% of the 13F portfolio, value $1,096,974,077.

    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 46,214,088 shares
    Change vs previous 13F -3,744,068 shares

    0.79% of the 13F portfolio, value $1,045,824,811.

    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 49,958,156 shares
    Change vs previous 13F -1,808,658 shares

    0.77% of the 13F portfolio, value $1,006,157,262.

    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 51,766,814 shares
    Change vs previous 13F +1,543,279 shares

    0.59% of the 13F portfolio, value $739,230,103.

    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 50,223,535 shares
    Change vs previous 13F -941,630 shares

    0.44% of the 13F portfolio, value $527,347,121.

    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 51,165,165 shares
    Change vs previous 13F -1,410,337 shares

    0.48% of the 13F portfolio, value $619,610,150.

    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 52,575,502 shares
    Change vs previous 13F not available

    0.57% of the 13F portfolio, value $772,334,124.

    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).