PRIMECAP MANAGEMENT CO/CA/
Institutional investor · Portfolio as of Q4 2025
Top Holdings319 positions
Stock | Shares | Value | Weight | Avg Buy | Est. P&L | Held | Conviction |
|---|---|---|---|---|---|---|---|
ELI LILLY & CO | 9.3M | $10B | 7.5% | $104.89 | +919.66% | 29 qtrssince 2018-Q4 | Decreased 0 |
MICRON TECHNOLOGY INC | 24.8M | $7.1B | 5.4% | $31.49 | +829.19% | 29 qtrssince 2018-Q4 | Decreased 0 |
ALPHABET INC-CL A | 15.1M | $4.7B | 3.6% | $96.25 | +226.06% | 29 qtrssince 2018-Q4 | Decreased 0 |
MICROSOFT CORP | 7.3M | $3.5B | 2.7% | $95.17 | +412.21% | 29 qtrssince 2018-Q4 | Decreased 0 |
KLA CORP | 2.9M | $3.5B | 2.6% | $8.14 | +1389.79% | 29 qtrssince 2018-Q4 | Decreased 0 |
ASTRAZENECA PLC | 36.9M | $3.4B | 2.6% | $63.64 | +146.53% | 29 qtrssince 2018-Q4 | Decreased 0 |
NVIDIA CORP | 17.2M | $3.2B | 2.4% | $112.03 | +67.39% | 29 qtrssince 2018-Q4 | Decreased 0 |
BOSTON SCIENTIFIC CORP | 31.1M | $3B | 2.2% | $35.49 | +170.55% | 29 qtrssince 2018-Q4 | Decreased 0 |
AMGEN INC | 8.9M | $2.9B | 2.2% | $153.34 | +112.88% | 29 qtrssince 2018-Q4 | Decreased 0 |
TESLA INC | 6.3M | $2.8B | 2.2% | $214.88 | +111.48% | 29 qtrssince 2018-Q4 | Decreased 0 |
AMAZON.COM INC | 12.3M | $2.8B | 2.1% | $182.64 | +27.31% | 29 qtrssince 2018-Q4 | Increased 62 |
INTEL CORP | 76.1M | $2.8B | 2.1% | $37.69 | -1.03% | 29 qtrssince 2018-Q4 | Decreased 0 |
ALIBABA GROUP HOLDING-SP ADR | 19M | $2.8B | 2.1% | $131.09 | +12.41% | 29 qtrssince 2018-Q4 | Decreased 0 |
BIOGEN IDEC INC | 14.8M | $2.6B | 2.0% | $291.55 | -39.50% | 29 qtrssince 2018-Q4 | Decreased 0 |
FEDEX CORP | 8.5M | $2.5B | 1.9% | $145.69 | +99.78% | 29 qtrssince 2018-Q4 | Decreased 0 |
SCHWAB (CHARLES) CORP | 23.3M | $2.3B | 1.8% | $80.89 | +22.30% | 29 qtrssince 2018-Q4 | Increased 55 |
SOUTHWEST AIRLINES CO | 47.4M | $2B | 1.5% | $42.18 | -2.16% | 29 qtrssince 2018-Q4 | Decreased 0 |
ALPHABET INC-CL C | 5.8M | $1.8B | 1.4% | $95.04 | +230.95% | 29 qtrssince 2018-Q4 | Decreased 0 |
UNITED AIRLINES HOLDINGS INC | 16M | $1.8B | 1.4% | $82.61 | +34.99% | 29 qtrssince 2018-Q4 | Decreased 0 |
TEXAS INSTRUMENTS INC | 10.1M | $1.7B | 1.3% | $76.19 | +123.95% | 29 qtrssince 2018-Q4 | Decreased 0 |
PRIMECAP MANAGEMENT CO/CA/ manages $132.1B across 319 positions as of Q4 2025. Top holdings: LLY (7.5%), MU (5.4%), GOOGL (3.6%). Fund DNA: Steady Compounder. HoldingsIntel Rating: 4.5/5.0.
Active quarter - 10 new positions, 18 exits, 60 increased. Top move: AMZN (INCREASED, conviction 62). Portfolio: $132.1B across 319 positions.
Top holdings by portfolio weight
Portfolio allocation by GICS sector
Behavioral investing profile
Position Outcomes
Best and worst performing positions by estimated return
Top Winners
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Cost basis estimates based on full filing history using quarter-end prices. Actual transaction prices are not disclosed in 13F filings.
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Data sourced from SEC EDGAR 13F filings. Not financial advice. Full disclaimer