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PRIMECAP Management
PRIMECAP MANAGEMENT CO/CA/
Latest filing: 2026-03-31
PRIMECAP Management runs PRIMECAP MANAGEMENT CO/CA/ and currently holds 320 stock positions, which is more than the average of 236 among the investors we track. The portfolio is valued at approximately $127.01B. Their top holdings are LLY, MU, GOOGL, KLAC, INTC. The top five represent 21.3% of reported portfolio weight. PRIMECAP Management ranks #632 out of 1000 investors tracked by Alpha Score. They added to 31 existing positions. They trimmed 67 positions. Their current best-performing preview position is TROX with returns of +134.29%.
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320 stock holdings
| Holding | Weight | Avg Buy | Current | Return | Quarter Change |
|---|---|---|---|---|---|
 LLY ELI LILLY & CO | 6.68% | $55.03 | $1,222.84 | +2,122.13% | Trimmed -0.46% |
 MU MICRON TECHNOLOGY INC | 5.82% | $13.30 | $786.59 | +5,814.17% | Trimmed -11.78% |
 GOOGL ALPHABET INC | 3.39% | $42.01 | $334.66 | +696.62% | Trimmed -0.93% |
 KLAC KLA CORP | 2.83% | $60.41 | $177.52 | +193.86% | Trimmed -15.24% |
 INTC INTEL CORP | 2.63% | $35.84 | $84.13 | +134.74% | Trimmed -0.49% |
 AMGN AMGEN INC | 2.46% | $59.52 | $391.91 | +558.45% | Trimmed -0.35% |
 NVDA NVIDIA CORPORATION | 2.36% | $0.35 | $192.53 | +54,908.57% | Trimmed -0.23% |
 FDX FEDEX CORP | 2.33% | $81.56 | $310.19 | +280.32% | Trimmed -2.46% |
 BIIB BIOGEN INC | 2.13% | $95.45 | $215.17 | +125.43% | Trimmed -0.00% |
 MSFT MICROSOFT CORP | 2.12% | $28.33 | $394.78 | +1,293.51% | Trimmed -0.32% |
Showing 1-10 of 320