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Disclosery

PRIMECAP MANAGEMENT CO/CA/: SEPN position timeline

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

PRIMECAP MANAGEMENT CO/CA/ held 1,167,382 SEPN 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 1,167,382 shares
    Change vs previous 13F +118,548 shares

    0.02% of the 13F portfolio, value $39,095,624.

    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 1,048,834 shares
    Change vs previous 13F +502,734 shares

    0.02% of the 13F portfolio, value $25,203,482.

    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 546,100 shares
    Change vs previous 13F not available

    0.01% of the 13F portfolio, value $15,225,268.

    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).