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PRIMECAP MANAGEMENT CO/CA/: IMAX position timeline

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

PRIMECAP MANAGEMENT CO/CA/ held 273,500 IMAX 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 273,500 shares
    Change vs previous 13F -261,902 shares

    0.01% of the 13F portfolio, value $10,901,710.

    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 535,402 shares
    Change vs previous 13F -24,100 shares

    0.02% of the 13F portfolio, value $20,350,630.

    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 559,502 shares
    Change vs previous 13F -76,000 shares

    0.02% of the 13F portfolio, value $20,679,194.

    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 635,502 shares
    Change vs previous 13F -116,100 shares

    0.02% of the 13F portfolio, value $20,812,691.

    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 751,602 shares
    Change vs previous 13F +9,902 shares

    0.02% of the 13F portfolio, value $21,014,792.

    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 741,700 shares
    Change vs previous 13F -100,300 shares

    0.02% of the 13F portfolio, value $19,543,795.

    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 842,000 shares
    Change vs previous 13F -83,700 shares

    0.02% of the 13F portfolio, value $21,555,200.

    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 925,700 shares
    Change vs previous 13F not available

    0.01% of the 13F portfolio, value $18,986,107.

    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).