PRIMECAP MANAGEMENT CO/CA/
Top Portfolio Positions
317 positions ·
$125,241,358,456 total
· as of Mar 31, 2026
| Ticker | Company | Shares | Value (USD) | % of Portfolio | Open |
|---|---|---|---|---|---|
| LLY |
ELI LILLY & Co
Healthcare
|
9,223,432 | $8,483,436,050 | 6.77% | |
| MU |
Micron Technology Inc
Technology
|
21,874,204 | $7,389,981,079 | 5.90% | |
| GOOGL |
Alphabet Inc.
Communication Services
|
14,987,459 | $4,309,793,710 | 3.44% | |
| AZN |
Astrazeneca PLC
Healthcare
|
18,213,708 | $3,592,107,491 | 2.87% | |
| KLAC |
Kla Corp
Technology
|
2,437,647 | $3,589,215,819 | 2.87% | |
| INTC |
Intel Corp
Technology
|
75,761,968 | $3,343,375,647 | 2.67% | |
| AMGN |
Amgen Inc
Healthcare
|
8,874,129 | $3,122,362,288 | 2.49% | |
| NVDA |
Nvidia Corp
Technology
|
17,188,230 | $2,997,627,312 | 2.39% | |
| FDX |
Fedex Corp
Industrials
|
8,303,010 | $2,957,366,101 | 2.36% | |
| BIIB |
Biogen Inc.
Healthcare
|
14,757,607 | $2,705,512,091 | 2.16% |
Portfolio Trend
25 quarters · across all stocks
Holdings in BBIO
Shares Held
Position Value (USD)
20 quarters on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $42,267,306 | 569,180 | Shares | Sole | 2026-05-11 | |
| 2025-12-31 | $43,574,823 | 569,680 | Shares | Sole | 2026-02-11 | |
| 2025-09-30 | $29,936,657 | 576,370 | Shares | Sole | 2025-11-12 | |
| 2025-06-30 | $25,420,497 | 588,710 | Shares | Sole | 2025-08-11 | |
| 2025-03-31 | $31,569,324 | 913,200 | Shares | Sole | 2025-05-09 | |
| 2024-09-30 | $23,085,193 | 906,724 | Shares | Sole | 2024-11-08 | |
| 2024-06-30 | $23,478,377 | 926,900 | Shares | Sole | 2024-08-09 | |
| 2024-03-31 | $28,669,951 | 927,230 | Shares | Sole | 2024-05-14 | |
| 2023-12-31 | $38,109,280 | 944,000 | Shares | Sole | 2024-02-09 | |
| 2023-09-30 | $24,753,519 | 938,700 | Shares | Sole | 2023-11-13 | |
| 2023-06-30 | $11,972,782 | 696,092 | Shares | Sole | 2023-08-11 | |
| 2023-03-31 | $12,269,067 | 739,992 | Shares | Sole | 2023-05-15 | |
| 2022-12-31 | $6,959,285 | 913,292 | Shares | Sole | 2023-02-13 | |
| 2022-09-30 | $10,315,036 | 1,037,730 | Shares | Sole | 2022-11-14 | |
| 2022-06-30 | $9,559,696 | 1,052,830 | Shares | Sole | 2022-08-11 | |
| 2022-03-31 | $11,493,352 | 1,132,350 | Shares | Sole | 2022-05-11 | |
| 2021-12-31 | $17,526,343 | 1,050,740 | Shares | Sole | 2022-02-11 | |
| 2021-09-30 | $21,600,508 | 460,860 | Shares | Sole | 2021-11-12 | |
| 2021-06-30 | $27,240,585 | 446,860 | Shares | Sole | 2021-08-10 | |
| 2021-03-31 | $21,882,599 | 355,237 | Shares | Sole | 2021-05-14 | |
| No 13F history on record for this holder in this stock. | ||||||