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PRIMECAP MANAGEMENT CO/CA/: CSGP position timeline

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

PRIMECAP MANAGEMENT CO/CA/ held 821,600 CSGP 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 821,600 shares
    Change vs previous 13F +18,000 shares

    0.01% of the 13F portfolio, value $23,267,712.

    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 803,600 shares
    Change vs previous 13F +652,600 shares

    0.03% of the 13F portfolio, value $32,417,224.

    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 151,000 shares
    Change vs previous 13F +53,000 shares

    0.01% of the 13F portfolio, value $10,153,240.

    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 98,000 shares
    Change vs previous 13F +10,000 shares

    0.01% of the 13F portfolio, value $8,268,260.

    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 88,000 shares
    Change vs previous 13F +31,500 shares

    0.01% of the 13F portfolio, value $7,075,200.

    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 56,500 shares
    Change vs previous 13F not available

    <0.01% of the 13F portfolio, value $4,476,495.

    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).