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PRIMECAP MANAGEMENT CO/CA/: OLED position timeline

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

PRIMECAP MANAGEMENT CO/CA/ held 2,195,818 OLED 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 2,195,818 shares
    Change vs previous 13F +8,390 shares

    0.11% of the 13F portfolio, value $190,135,882.

    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 2,187,428 shares
    Change vs previous 13F -8,900 shares

    0.16% of the 13F portfolio, value $200,499,651.

    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 2,196,328 shares
    Change vs previous 13F -62,050 shares

    0.19% of the 13F portfolio, value $256,487,184.

    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 2,258,378 shares
    Change vs previous 13F +43,070 shares

    0.25% of the 13F portfolio, value $324,370,834.

    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 2,215,308 shares
    Change vs previous 13F +379,586 shares

    0.27% of the 13F portfolio, value $342,176,474.

    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 1,835,722 shares
    Change vs previous 13F +38,590 shares

    0.21% of the 13F portfolio, value $256,046,504.

    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 1,797,132 shares
    Change vs previous 13F -52,250 shares

    0.2% of the 13F portfolio, value $262,740,699.

    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 1,849,382 shares
    Change vs previous 13F not available

    0.29% of the 13F portfolio, value $388,185,282.

    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).