PRIMECAP MANAGEMENT CO/CA/
Holdings in OSIS
Position Over Time
| Report Date | Value (USD) | Shares | Type | Discretion | Filed |
|---|---|---|---|---|---|
| 2025-12-31 | $68,282,112 | 267,710 | Shares | Sole | 2026-02-11 |
| 2025-09-30 | $76,424,461 | 306,630 | Shares | Sole | 2025-11-12 |
| 2025-06-30 | $72,274,501 | 321,420 | Shares | Sole | 2025-08-11 |
| 2025-03-31 | $64,973,692 | 334,330 | Shares | Sole | 2025-05-09 |
| 2024-12-31 | $49,845,585 | 297,710 | Shares | Sole | 2025-02-10 |
| 2024-09-30 | $44,713,935 | 294,500 | Shares | Sole | 2024-11-08 |
| 2024-06-30 | $38,590,862 | 280,620 | Shares | Sole | 2024-08-09 |
| 2024-03-31 | $41,860,542 | 293,100 | Shares | Sole | 2024-05-14 |
| 2023-12-31 | $36,805,060 | 285,200 | Shares | Sole | 2024-02-09 |
| 2023-09-30 | $32,931,979 | 278,990 | Shares | Sole | 2023-11-13 |
| 2023-06-30 | $34,211,940 | 290,350 | Shares | Sole | 2023-08-11 |
| 2023-03-31 | $30,128,642 | 294,340 | Shares | Sole | 2023-05-15 |
| 2022-12-31 | $23,324,011 | 293,310 | Shares | Sole | 2023-02-13 |
| 2022-09-30 | $21,913,446 | 304,100 | Shares | Sole | 2022-11-14 |
| 2022-06-30 | $26,725,632 | 312,800 | Shares | Sole | 2022-08-11 |
| 2022-03-31 | $27,575,475 | 323,960 | Shares | Sole | 2022-05-11 |
| 2021-12-31 | $31,373,916 | 336,630 | Shares | Sole | 2022-02-11 |
| 2021-09-30 | $35,066,520 | 369,900 | Shares | Sole | 2021-11-12 |
| 2021-06-30 | $38,618,118 | 379,950 | Shares | Sole | 2021-08-10 |
| 2021-03-31 | $36,791,885 | 382,850 | Shares | Sole | 2021-05-14 |
| 2020-12-31 | $32,571,068 | 349,400 | Shares | Sole | 2021-02-08 |
| 2020-09-30 | $27,497,223 | 354,300 | Shares | Sole | 2020-11-13 |
| 2020-06-30 | $20,160,264 | 270,100 | Shares | Sole | 2020-08-13 |
| 2020-03-31 | $16,657,964 | 241,700 | Shares | Sole | 2020-05-14 |