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Disclosery

PRIMECAP MANAGEMENT CO/CA/: MOG-A position timeline

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

PRIMECAP MANAGEMENT CO/CA/ held 428,460 MOG-A 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 428,460 shares
    Change vs previous 13F -4,900 shares

    0.11% of the 13F portfolio, value $181,598,486.

    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 433,360 shares
    Change vs previous 13F -6,500 shares

    0.1% of the 13F portfolio, value $126,818,470.

    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 439,860 shares
    Change vs previous 13F -16,700 shares

    0.08% of the 13F portfolio, value $107,127,903.

    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 456,560 shares
    Change vs previous 13F +8,900 shares

    0.07% of the 13F portfolio, value $94,813,815.

    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 447,660 shares
    Change vs previous 13F +92,160 shares

    0.06% of the 13F portfolio, value $81,013,030.

    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 355,500 shares
    Change vs previous 13F +42,500 shares

    0.05% of the 13F portfolio, value $61,625,926.

    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 313,000 shares
    Change vs previous 13F +2,100 shares

    0.05% of the 13F portfolio, value $61,610,920.

    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 310,900 shares
    Change vs previous 13F not available

    0.05% of the 13F portfolio, value $62,808,018.

    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).