Terminal · Institutions
Every 13F-reported equity position this quarter, with its quarter-over-quarter change — each row traces back to the SEC filing.
Every 13F-reported equity position this quarter, with its quarter-over-quarter change — each row traces back to the SEC filing.
PRIMECAP MANAGEMENT CO/CA/ (CIK 763212) reported $127.01B across 319 reported positions in its SEC 13F filing for 2026-03-31. Largest positions: LLY ($8.48B, 6.68%), MU ($7.39B, 5.82%), GOOGL ($4.31B, 3.39%), AZNCF ($3.59B, 2.83%), KLAC ($3.59B, 2.83%). Source: SEC Form 13F.
| Rank | Ticker | Company | Value | % Portfolio | Shares | Action |
|---|---|---|---|---|---|---|
| 1 | LLY | ELI LILLY & CO | $8.48B | 6.68% | 9.2M | Trimmed |
| 2 | MU | MICRON TECHNOLOGY INC | $7.39B | 5.82% | 21.9M | Trimmed |
| 3 | GOOGL | ALPHABET INC | $4.31B | 3.39% | 15.0M | Trimmed |
| 4 | AZNCF | ASTRAZENECA PLC | $3.59B | 2.83% | 18.2M | New |
| 5 | KLAC | KLA CORP | $3.59B | 2.83% | 2.4M | Trimmed |
| 6 | INTC | INTEL CORP | $3.34B | 2.63% | 75.8M | Trimmed |
| 7 | AMGN | AMGEN INC | $3.12B | 2.46% | 8.9M | Trimmed |
| 8 | NVDA | NVIDIA CORPORATION | $3.00B | 2.36% | 17.2M | Trimmed |
| 9 | FDX | FEDEX CORP | $2.96B | 2.33% | 8.3M | Trimmed |
| 10 | BIIB | BIOGEN INC | $2.71B | 2.13% | 14.8M | Trimmed |
| 11 | MSFT | MICROSOFT CORP | $2.69B | 2.12% | 7.3M | Trimmed |
| 12 | AMZN | AMAZON COM INC | $2.52B | 1.99% | 12.1M | Trimmed |
| 13 | BABA | ALIBABA GROUP HLDG LTD | $2.35B | 1.85% | 18.7M | Trimmed |
| 14 | TSLA | TESLA INC | $2.28B | 1.79% | 6.1M | Trimmed |
| 15 | SCHW | SCHWAB CHARLES CORP | $2.20B | 1.73% | 23.4M | Added |
| 16 | BSX | BOSTON SCIENTIFIC CORP | $2.04B | 1.61% | 32.5M | Added |
| 17 | ROST | ROSS STORES INC | $1.99B | 1.56% | 9.2M | Trimmed |
| 18 | TXN | TEXAS INSTRS INC | $1.87B | 1.48% | 9.7M | Trimmed |
| 19 | LUV | SOUTHWEST AIRLS CO | $1.77B | 1.39% | 47.1M | Trimmed |
| 20 | FLEX | FLEXTRONICS INTL LTD | $1.66B | 1.31% | 25.4M | Trimmed |
| 21 | GOOG | ALPHABET INC | $1.64B | 1.29% | 5.7M | Trimmed |
| 22 | TJX | TJX COS INC NEW | $1.53B | 1.21% | 9.6M | Trimmed |
| 23 | COP | CONOCOPHILLIPS | $1.53B | 1.20% | 11.6M | Added |
| 24 | BMY | BRISTOL-MYERS SQUIBB CO | $1.52B | 1.19% | 25.0M | Added |
| 25 | ONC | BEONE MEDICINES LTD | $1.48B | 1.16% | 5.0M | Trimmed |
Source: SEC Form 13F filings · as of 2026-03-31