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PRIMECAP MANAGEMENT CO/CA/: TTD position timeline

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

PRIMECAP MANAGEMENT CO/CA/ held 732,455 TTD 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 732,455 shares
    Change vs previous 13F -500,150 shares

    0.01% of the 13F portfolio, value $13,242,786.

    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 1,232,605 shares
    Change vs previous 13F +324,000 shares

    0.02% of the 13F portfolio, value $27,967,808.

    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 908,605 shares
    Change vs previous 13F +347,350 shares

    0.03% of the 13F portfolio, value $34,490,646.

    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 561,255 shares
    Change vs previous 13F +306,330 shares

    0.02% of the 13F portfolio, value $27,507,107.

    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 254,925 shares
    Change vs previous 13F +45,925 shares

    0.01% of the 13F portfolio, value $18,352,051.

    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 209,000 shares
    Change vs previous 13F -4,400 shares

    0.01% of the 13F portfolio, value $11,436,480.

    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 213,400 shares
    Change vs previous 13F -127,000 shares

    0.02% of the 13F portfolio, value $25,080,902.

    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 340,400 shares
    Change vs previous 13F not available

    0.03% of the 13F portfolio, value $37,324,860.

    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).