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
23 quarters · across all stocks
Holdings in ACLS
Shares Held
Position Value (USD)
23 quarters on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $61,307,328 | 658,652 | Shares | Sole | 2026-05-11 | |
| 2025-06-30 | $59,396,508 | 852,296 | Shares | Sole | 2025-08-11 | |
| 2025-03-31 | $41,477,728 | 835,066 | Shares | Sole | 2025-05-09 | |
| 2024-12-31 | $64,030,684 | 916,426 | Shares | Sole | 2025-02-10 | |
| 2024-09-30 | $102,169,614 | 974,436 | Shares | Sole | 2024-11-08 | |
| 2024-06-30 | $140,739,093 | 989,796 | Shares | Sole | 2024-08-09 | |
| 2024-03-31 | $112,969,313 | 1,012,996 | Shares | Sole | 2024-05-14 | |
| 2023-12-31 | $135,142,945 | 1,042,046 | Shares | Sole | 2024-02-09 | |
| 2023-09-30 | $170,546,386 | 1,045,976 | Shares | Sole | 2023-11-13 | |
| 2023-06-30 | $197,473,176 | 1,077,146 | Shares | Sole | 2023-08-11 | |
| 2023-03-31 | $155,266,364 | 1,165,226 | Shares | Sole | 2023-05-15 | |
| 2022-12-31 | $101,208,284 | 1,275,306 | Shares | Sole | 2023-02-13 | |
| 2022-09-30 | $99,891,660 | 1,649,466 | Shares | Sole | 2022-11-14 | |
| 2022-06-30 | $92,164,707 | 1,680,611 | Shares | Sole | 2022-08-11 | |
| 2022-03-31 | $146,135,444 | 1,934,800 | Shares | Sole | 2022-05-11 | |
| 2021-12-31 | $156,193,507 | 2,094,870 | Shares | Sole | 2022-02-11 | |
| 2021-09-30 | $104,792,246 | 2,228,200 | Shares | Sole | 2021-11-12 | |
| 2021-06-30 | $92,748,944 | 2,294,630 | Shares | Sole | 2021-08-10 | |
| 2021-03-31 | $95,936,932 | 2,334,800 | Shares | Sole | 2021-05-14 | |
| 2020-12-31 | $72,744,963 | 2,498,110 | Shares | Sole | 2021-02-08 | |
| 2020-09-30 | $56,900,800 | 2,586,400 | Shares | Sole | 2020-11-13 | |
| 2020-06-30 | $75,601,610 | 2,714,600 | Shares | Sole | 2020-08-13 | |
| 2020-03-31 | $50,835,884 | 2,776,400 | Shares | Sole | 2020-05-14 | |
| No 13F history on record for this holder in this stock. | ||||||