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PRIMECAP MANAGEMENT CO/CA/: VSEC position timeline

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

PRIMECAP MANAGEMENT CO/CA/ held 52,500 VSEC 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 52,500 shares
    Change vs previous 13F -21,205 shares

    0.01% of the 13F portfolio, value $11,996,250.

    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 73,705 shares
    Change vs previous 13F -7,310 shares

    0.01% of the 13F portfolio, value $13,591,202.

    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 81,015 shares
    Change vs previous 13F -85,233 shares

    0.01% of the 13F portfolio, value $13,996,962.

    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 166,248 shares
    Change vs previous 13F -9,090 shares

    0.02% of the 13F portfolio, value $27,637,068.

    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 175,338 shares
    Change vs previous 13F +6,173 shares

    0.02% of the 13F portfolio, value $22,965,773.

    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 169,165 shares
    Change vs previous 13F +21,895 shares

    0.02% of the 13F portfolio, value $20,298,110.

    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 147,270 shares
    Change vs previous 13F +14,118 shares

    0.01% of the 13F portfolio, value $14,005,377.

    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 133,152 shares
    Change vs previous 13F not available

    0.01% of the 13F portfolio, value $11,015,663.

    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).