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Disclosery

PRIMECAP MANAGEMENT CO/CA/: RIVN position timeline

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

PRIMECAP MANAGEMENT CO/CA/ held 210,260 RIVN 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 210,260 shares
    Change vs previous 13F -600 shares

    <0.01% of the 13F portfolio, value $3,648,011.

    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 210,860 shares
    Change vs previous 13F -1,500 shares

    <0.01% of the 13F portfolio, value $3,173,443.

    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 212,360 shares
    Change vs previous 13F -56,400 shares

    <0.01% of the 13F portfolio, value $4,185,616.

    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 268,760 shares
    Change vs previous 13F -3,080 shares

    <0.01% of the 13F portfolio, value $3,945,397.

    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 271,840 shares
    Change vs previous 13F +7,900 shares

    <0.01% of the 13F portfolio, value $3,735,081.

    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 263,940 shares
    Change vs previous 13F 0 shares

    <0.01% of the 13F portfolio, value $3,286,053.

    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 263,940 shares
    Change vs previous 13F -22,240 shares

    <0.01% of the 13F portfolio, value $3,510,402.

    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 286,180 shares
    Change vs previous 13F not available

    <0.01% of the 13F portfolio, value $3,210,939.

    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).