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Disclosery

PRIMECAP MANAGEMENT CO/CA/: SONY position timeline

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

PRIMECAP MANAGEMENT CO/CA/ held 59,603,230 SONY 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 59,603,230 shares
    Change vs previous 13F +1,072,400 shares

    0.71% of the 13F portfolio, value $1,195,640,794.

    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 58,530,830 shares
    Change vs previous 13F +229,400 shares

    0.95% of the 13F portfolio, value $1,211,588,183.

    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 58,301,430 shares
    Change vs previous 13F -6,140,660 shares

    1.13% of the 13F portfolio, value $1,492,516,608.

    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 64,442,090 shares
    Change vs previous 13F -6,299,350 shares

    1.42% of the 13F portfolio, value $1,855,287,773.

    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 70,741,440 shares
    Change vs previous 13F -23,218,035 shares

    1.46% of the 13F portfolio, value $1,841,399,685.

    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 93,959,475 shares
    Change vs previous 13F -8,036,380 shares

    1.97% of the 13F portfolio, value $2,385,631,070.

    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 101,995,855 shares
    Change vs previous 13F +80,724,932 shares

    1.67% of the 13F portfolio, value $2,158,232,291.

    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 21,270,923 shares
    Change vs previous 13F not available

    1.51% of the 13F portfolio, value $2,054,133,035.

    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).