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PRIMECAP MANAGEMENT CO/CA/: TW position timeline

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

PRIMECAP MANAGEMENT CO/CA/ held 327,862 TW 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 327,862 shares
    Change vs previous 13F -220 shares

    0.02% of the 13F portfolio, value $32,674,727.

    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 328,082 shares
    Change vs previous 13F -92,190 shares

    0.03% of the 13F portfolio, value $38,602,129.

    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 420,272 shares
    Change vs previous 13F -126,740 shares

    0.03% of the 13F portfolio, value $45,196,051.

    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 547,012 shares
    Change vs previous 13F -956,300 shares

    0.05% of the 13F portfolio, value $60,707,392.

    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 1,503,312 shares
    Change vs previous 13F -23,578 shares

    0.17% of the 13F portfolio, value $220,084,877.

    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 1,526,890 shares
    Change vs previous 13F -26,590 shares

    0.19% of the 13F portfolio, value $226,682,089.

    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 1,553,480 shares
    Change vs previous 13F -42,670 shares

    0.16% of the 13F portfolio, value $203,381,602.

    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 1,596,150 shares
    Change vs previous 13F not available

    0.15% of the 13F portfolio, value $197,395,870.

    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).