PRIMECAP MANAGEMENT CO/CA/: OSUR position timeline

PRIMECAP MANAGEMENT CO/CA/ held 0 OSUR shares at 2025-09-30 per its 13F-HR filed 2025-11-12.

the latest 13F is the newest step

1. period ended2025-09-30

   13F 0 shares

   Change vs previous 13F -76,100 shares

   13F-HR 0000763212-25-000005 filed by PRIMECAP MANAGEMENT CO/CA/
   Filed 2025-11-12 (acceptance time not in the bulk data set), ingested 2026-10-07 03:02:25 UTC

   Acceptance time not in the bulk data set (spec §4.2).

   Exited: the 13F for this period no longer lists the position.

2. period ended2025-06-30

   13F 76,100 shares

   Change vs previous 13F -252,400 shares

   <0.01% of the 13F portfolio, value $228,300.

   13F-HR 0001085146-25-004804 filed by PRIMECAP MANAGEMENT CO/CA/
   Filed 2025-08-11 (acceptance time not in the bulk data set), ingested 2026-10-07 18:23:11 UTC

   Acceptance time not in the bulk data set (spec §4.2).

3. period ended2025-03-31

   13F 328,500 shares

   Change vs previous 13F -7,800 shares

   <0.01% of the 13F portfolio, value $1,107,045.

   13F-HR 0001085146-25-002901 filed by PRIMECAP MANAGEMENT CO/CA/
   Filed 2025-05-09 (acceptance time not in the bulk data set), ingested 2026-10-07 18:25:06 UTC

   Acceptance time not in the bulk data set (spec §4.2).

4. period ended2024-12-31

   13F 336,300 shares

   Change vs previous 13F -371,850 shares

   <0.01% of the 13F portfolio, value $1,214,043.

   13F-HR 0001085146-25-000946 filed by PRIMECAP MANAGEMENT CO/CA/
   Filed 2025-02-10 (acceptance time not in the bulk data set), ingested 2026-10-07 18:25:55 UTC

   Acceptance time not in the bulk data set (spec §4.2).

5. period ended2024-09-30

   13F 708,150 shares

   Change vs previous 13F not available

   <0.01% of the 13F portfolio, value $3,023,801.

   13F-HR 0001085146-24-005460 filed by PRIMECAP MANAGEMENT CO/CA/
   Filed 2024-11-08 (acceptance time not in the bulk data set), ingested 2026-10-07 18:26:56 UTC

   Acceptance time not in the bulk data set (spec §4.2).