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PRIMECAP MANAGEMENT CO/CA/: KEYS position timeline

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

PRIMECAP MANAGEMENT CO/CA/ held 588,975 KEYS 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 588,975 shares
    Change vs previous 13F -1,850 shares

    0.12% of the 13F portfolio, value $206,182,480.

    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 590,825 shares
    Change vs previous 13F -1,780 shares

    0.13% of the 13F portfolio, value $166,831,257.

    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 592,605 shares
    Change vs previous 13F -14,090 shares

    0.09% of the 13F portfolio, value $120,411,412.

    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 606,695 shares
    Change vs previous 13F -31,120 shares

    0.08% of the 13F portfolio, value $106,123,090.

    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 637,815 shares
    Change vs previous 13F -31,820 shares

    0.08% of the 13F portfolio, value $104,512,367.

    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 669,635 shares
    Change vs previous 13F -17,640 shares

    0.08% of the 13F portfolio, value $100,291,238.

    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 687,275 shares
    Change vs previous 13F -14,960 shares

    0.09% of the 13F portfolio, value $110,396,981.

    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 702,235 shares
    Change vs previous 13F not available

    0.08% of the 13F portfolio, value $111,606,210.

    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).