PRIMECAP MANAGEMENT CO/CA/
Institutional investor · Portfolio as of Q1 2026
Top Holdings320 positions
Stock | Shares | Value | Weight | Avg Buy | Est. P&L | Held | Conviction |
|---|---|---|---|---|---|---|---|
ELI LILLY & CO | 9.2M | $8.5B | 6.7% | $104.89 | +774.14% | 30 qtrssince 2018-Q4 | Decreased 0 |
MICRON TECHNOLOGY INC | 21.9M | $7.4B | 5.8% | $31.49 | +1105.60% | 30 qtrssince 2018-Q4 | Decreased 0 |
ALPHABET INC-CL A | 15M | $4.3B | 3.4% | $96.25 | +215.39% | 30 qtrssince 2018-Q4 | Decreased 0 |
ASTRAZENECA PLC | 18.2M | $3.6B | 2.8% | $201.76 | 0.00% | 1 qtr | New 83 |
KLA CORP | 2.4M | $3.6B | 2.8% | $8.14 | +1707.64% | 30 qtrssince 2018-Q4 | Decreased 0 |
INTEL CORP | 75.8M | $3.3B | 2.6% | $37.69 | +14.36% | 30 qtrssince 2018-Q4 | Decreased 0 |
AMGEN INC | 8.9M | $3.1B | 2.5% | $153.34 | +145.85% | 30 qtrssince 2018-Q4 | Decreased 0 |
NVIDIA CORP | 17.2M | $3B | 2.4% | $112.03 | +60.71% | 30 qtrssince 2018-Q4 | Decreased 0 |
FEDEX CORP | 8.3M | $3B | 2.3% | $145.69 | +162.57% | 30 qtrssince 2018-Q4 | Decreased 0 |
BIOGEN IDEC INC | 14.8M | $2.7B | 2.1% | $291.55 | -36.88% | 30 qtrssince 2018-Q4 | Decreased 0 |
MICROSOFT CORP | 7.3M | $2.7B | 2.1% | $95.17 | +324.42% | 30 qtrssince 2018-Q4 | Decreased 0 |
AMAZON.COM INC | 12.1M | $2.5B | 2.0% | $182.64 | +14.28% | 30 qtrssince 2018-Q4 | Decreased 0 |
ALIBABA GROUP HOLDING-SP ADR | 18.7M | $2.3B | 1.8% | $131.09 | +3.43% | 30 qtrssince 2018-Q4 | Decreased 0 |
TESLA INC | 6.1M | $2.3B | 1.8% | $214.88 | +82.63% | 30 qtrssince 2018-Q4 | Decreased 0 |
SCHWAB (CHARLES) CORP | 23.4M | $2.2B | 1.7% | $80.98 | +15.30% | 30 qtrssince 2018-Q4 | Increased 50 |
BOSTON SCIENTIFIC CORP | 32.5M | $2B | 1.6% | $37.18 | +98.64% | 30 qtrssince 2018-Q4 | Increased 53 |
ROSS STORES INC | 9.2M | $2B | 1.6% | $78.90 | +150.48% | 30 qtrssince 2018-Q4 | Decreased 0 |
TEXAS INSTRUMENTS INC | 9.7M | $1.9B | 1.5% | $76.19 | +152.24% | 30 qtrssince 2018-Q4 | Decreased 0 |
SOUTHWEST AIRLINES CO | 47.1M | $1.8B | 1.4% | $42.18 | +13.20% | 30 qtrssince 2018-Q4 | Decreased 0 |
| 25.4M | $1.7B | 1.3% | $6.06 | +2175.14% | 30 qtrssince 2018-Q4 | Decreased 0 |
PRIMECAP MANAGEMENT CO/CA/ manages $127B across 320 positions as of Q1 2026. Top holdings: LLY (6.7%), MU (5.8%), GOOGL (3.4%). Fund DNA: Steady Compounder. HoldingsIntel Rating: 4.5/5.0.
Active quarter - 9 new positions, 8 exits, 75 increased. Top move: AZN (NEW, conviction 83). Portfolio: $127.0B across 320 positions.
Top holdings by portfolio weight
Portfolio allocation by GICS sector
Behavioral investing profile
Position Outcomes
Best and worst performing positions by estimated return
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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