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PRIMECAP MANAGEMENT CO/CA/: MSFT position timeline

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

PRIMECAP MANAGEMENT CO/CA/ held 7,140,870 MSFT 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 7,140,870 shares
    Change vs previous 13F -123,690 shares

    1.58% of the 13F portfolio, value $2,663,687,328.

    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 7,264,560 shares
    Change vs previous 13F -22,960 shares

    2.12% of the 13F portfolio, value $2,689,122,175.

    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 7,287,520 shares
    Change vs previous 13F -1,101,785 shares

    2.67% of the 13F portfolio, value $3,524,390,421.

    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 8,389,305 shares
    Change vs previous 13F -725,960 shares

    3.33% of the 13F portfolio, value $4,345,240,528.

    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 9,115,265 shares
    Change vs previous 13F +28,275 shares

    3.59% of the 13F portfolio, value $4,534,023,965.

    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 9,086,990 shares
    Change vs previous 13F -461,650 shares

    2.82% of the 13F portfolio, value $3,411,165,177.

    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 9,548,640 shares
    Change vs previous 13F -298,375 shares

    3.12% of the 13F portfolio, value $4,024,751,762.

    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 9,847,015 shares
    Change vs previous 13F not available

    3.12% of the 13F portfolio, value $4,237,170,556.

    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).