PRIMECAP MANAGEMENT CO/CA/
Top Portfolio Positions
318 positions ·
$125,609,644,506 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 | 6.75% | |
| MU |
Micron Technology Inc
Technology
|
21,874,204 | $7,389,981,079 | 5.88% | |
| GOOGL |
Alphabet Inc.
Communication Services
|
14,987,459 | $4,309,793,710 | 3.43% | |
| AZN |
Astrazeneca PLC
Healthcare
|
18,213,708 | $3,592,107,491 | 2.86% | |
| KLAC |
Kla Corp
Technology
|
2,437,647 | $3,589,215,819 | 2.86% | |
| INTC |
Intel Corp
Technology
|
75,761,968 | $3,343,375,647 | 2.66% | |
| 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 | 2.35% | |
| BIIB |
Biogen Inc.
Healthcare
|
14,757,607 | $2,705,512,091 | 2.15% |
Portfolio Trend
25 quarters · across all stocks
Holdings in IMNM
Shares Held
Position Value (USD)
9 quarters on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $104,718,611 | 4,788,231 | Shares | Sole | 2026-05-11 | |
| 2025-12-31 | $100,643,272 | 4,685,441 | Shares | Sole | 2026-02-11 | |
| 2025-09-30 | $35,340,885 | 3,018,009 | Shares | Sole | 2025-11-12 | |
| 2025-06-30 | $28,087,953 | 3,020,210 | Shares | Sole | 2025-08-11 | |
| 2025-03-31 | $22,974,201 | 3,413,700 | Shares | Sole | 2025-05-09 | |
| 2024-12-31 | $2,982,096 | 280,800 | Shares | Sole | 2025-02-10 | |
| 2024-09-30 | $4,105,296 | 280,800 | Shares | Sole | 2024-11-08 | |
| 2024-06-30 | $3,252,480 | 268,800 | Shares | Sole | 2024-08-09 | |
| 2024-03-31 | $5,256,840 | 213,000 | Shares | Sole | 2024-05-14 | |
| No 13F history on record for this holder in this stock. | ||||||