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PRIMECAP MANAGEMENT CO/CA/: RIG position timeline

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

PRIMECAP MANAGEMENT CO/CA/ held 2,493,290 RIG 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 2,493,290 shares
    Change vs previous 13F -80,000 shares

    0.01% of the 13F portfolio, value $12,192,188.

    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 2,573,290 shares
    Change vs previous 13F -1,411,680 shares

    0.01% of the 13F portfolio, value $17,060,913.

    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 3,984,970 shares
    Change vs previous 13F -6,097,020 shares

    0.01% of the 13F portfolio, value $16,457,926.

    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 10,081,990 shares
    Change vs previous 13F -3,030,832 shares

    0.02% of the 13F portfolio, value $31,455,809.

    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 13,112,822 shares
    Change vs previous 13F -40,723,249 shares

    0.03% of the 13F portfolio, value $33,962,210.

    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 53,836,071 shares
    Change vs previous 13F -980,340 shares

    0.14% of the 13F portfolio, value $170,660,346.

    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 54,816,411 shares
    Change vs previous 13F -1,525,758 shares

    0.16% of the 13F portfolio, value $205,561,544.

    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 56,342,169 shares
    Change vs previous 13F not available

    0.18% of the 13F portfolio, value $239,454,220.

    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).