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PRIMECAP MANAGEMENT CO/CA/: CSX position timeline

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

PRIMECAP MANAGEMENT CO/CA/ held 1,634,900 CSX 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 1,634,900 shares
    Change vs previous 13F 0 shares

    0.05% of the 13F portfolio, value $77,706,797.

    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 1,634,900 shares
    Change vs previous 13F -557,100 shares

    0.05% of the 13F portfolio, value $67,112,645.

    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 2,192,000 shares
    Change vs previous 13F 0 shares

    0.06% of the 13F portfolio, value $79,460,000.

    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 2,192,000 shares
    Change vs previous 13F -10,000 shares

    0.06% of the 13F portfolio, value $77,837,920.

    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 2,202,000 shares
    Change vs previous 13F -35,000 shares

    0.06% of the 13F portfolio, value $71,851,260.

    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 2,237,000 shares
    Change vs previous 13F -2,600 shares

    0.05% of the 13F portfolio, value $65,834,910.

    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 2,239,600 shares
    Change vs previous 13F -90,800 shares

    0.06% of the 13F portfolio, value $72,271,892.

    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 2,330,400 shares
    Change vs previous 13F not available

    0.06% of the 13F portfolio, value $80,468,712.

    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).