Skip to content
Disclosery

PRIMECAP MANAGEMENT CO/CA/: CMCSA position timeline

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

PRIMECAP MANAGEMENT CO/CA/ held 44,800 CMCSA 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 44,800 shares
    Change vs previous 13F 0 shares

    <0.01% of the 13F portfolio, value $1,099,840.

    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 44,800 shares
    Change vs previous 13F 0 shares

    <0.01% of the 13F portfolio, value $1,286,208.

    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 44,800 shares
    Change vs previous 13F -137,300 shares

    <0.01% of the 13F portfolio, value $1,339,072.

    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 182,100 shares
    Change vs previous 13F -29,200 shares

    <0.01% of the 13F portfolio, value $5,721,582.

    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 211,300 shares
    Change vs previous 13F -77,350 shares

    0.01% of the 13F portfolio, value $7,541,297.

    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 288,650 shares
    Change vs previous 13F -57,150 shares

    0.01% of the 13F portfolio, value $10,651,185.

    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 345,800 shares
    Change vs previous 13F 0 shares

    0.01% of the 13F portfolio, value $12,977,874.

    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 345,800 shares
    Change vs previous 13F not available

    0.01% of the 13F portfolio, value $14,444,066.

    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).