PRIMECAP Management's portfolio
Patient long-term growth-at-value with deep sector specialization.
What changed in Q2 2026
Compared with the previous 13F. Values are as reported at quarter end. How to read a 13F.
New positions
- Fedex Freight HoldingFDXF$611M
- Space Exploration Techn-Cl ASPCX$241M
- Devon EnergyDVN$65M
- First HorizonFHN$57M
- Honeywell AerospaceHONA$54M
- McKessonMCK$15M
- Fervo Energy Company Class A common stockFRVO$14M
- DexComDXCM$13M
- BitMine Immersion TechnologiesBMNR$12M
- WingstopWING$6M
Added to
- KLAKLAC$6.2B
- BiogenBIIB$3.3B
- Southwest AirlinesLUV$2.5B
- Charles SchwabSCHW$2.3B
- Boston ScientificBSX$2.2B
- Visa Inc. Class AV$1.5B
- BeiGeneONC$1.4B
- American Airlines GroupAAL$1.3B
- ConocoPhillipsCOP$1.2B
- Adobe SystemsADBE$1.1B
Trimmed
- Micron TechnologyMU$22.2B
- Eli Lilly andLLY$11.0B
- IntelINTC$10.5B
- Alphabet Inc Class AGOOGL$5.3B
- FlexFLEX$3.8B
- AstraZenecaAZN$3.4B
- NVIDIANVDA$3.4B
- Amazon.comAMZN$2.9B
- MicrosoftMSFT$2.7B
- TeslaTSLA$2.6B
Sold out
None this quarter.
Holdings
324 US-listed positions in the Q2 2026 13F, largest first (top 50 shown; all of them in Investingly).
| Stock | % of portfolio | Value | Shares | Last quarter |
|---|---|---|---|---|
| Micron TechnologyMU | 13.12% | $22.2B | 19,217,236 | Trimmed |
| Eli Lilly andLLY | 6.51% | $11.0B | 9,172,904 | Trimmed |
| IntelINTC | 6.21% | $10.5B | 75,250,958 | Trimmed |
| KLAKLAC | 3.66% | $6.2B | 20,536,730 | Added |
| Alphabet Inc Class AGOOGL | 3.14% | $5.3B | 14,859,769 | Trimmed |
| FlexFLEX | 2.24% | $3.8B | 23,358,875 | Trimmed |
| AstraZenecaAZN | 2.03% | $3.4B | 18,095,178 | Trimmed |
| NVIDIANVDA | 2.02% | $3.4B | 17,079,180 | Trimmed |
| BiogenBIIB | 1.94% | $3.3B | 15,154,606 | Added |
| Amazon.comAMZN | 1.69% | $2.9B | 11,962,188 | Trimmed |
| MicrosoftMSFT | 1.57% | $2.7B | 7,140,870 | Trimmed |
| TeslaTSLA | 1.52% | $2.6B | 6,103,030 | Trimmed |
| FedExFDX | 1.51% | $2.6B | 8,156,799 | Trimmed |
| Texas InstrumentsTXN | 1.50% | $2.5B | 8,514,989 | Trimmed |
| Southwest AirlinesLUV | 1.48% | $2.5B | 48,797,725 | Added |
| AmgenAMGN | 1.45% | $2.4B | 6,756,962 | Trimmed |
| Charles SchwabSCHW | 1.37% | $2.3B | 25,120,895 | Added |
| United Airls Hldgs | 1.32% | $2.2B | 16,461,630 | Held |
| Boston ScientificBSX | 1.27% | $2.2B | 50,520,914 | Added |
| Ross StoresROST | 1.15% | $1.9B | 9,104,980 | Trimmed |
| Alphabet Inc Class CGOOG | 1.13% | $1.9B | 5,399,060 | Trimmed |
| Alibaba Group HoldingBABA | 1.06% | $1.8B | 18,611,306 | Trimmed |
| Delta Air LinesDAL | 0.97% | $1.6B | 17,521,167 | Trimmed |
| Visa Inc. Class AV | 0.87% | $1.5B | 4,268,491 | Added |
| Bristol-Myers SquibbBMY | 0.85% | $1.4B | 24,923,900 | Trimmed |
| Tjx Cos Inc New | 0.85% | $1.4B | 9,476,020 | Held |
| BeiGeneONC | 0.84% | $1.4B | 5,007,931 | Added |
| Raymond James FinancialRJF | 0.83% | $1.4B | 9,242,552 | Trimmed |
| NetAppNTAP | 0.82% | $1.4B | 9,016,690 | Trimmed |
| GlaxoSmithKline PLC ADRGSK | 0.78% | $1.3B | 25,182,068 | Trimmed |
| American Airlines GroupAAL | 0.76% | $1.3B | 70,732,954 | Added |
| BaiduBIDU | 0.74% | $1.3B | 11,010,100 | Trimmed |
| Analog DevicesADI | 0.73% | $1.2B | 3,128,329 | Trimmed |
| Jabil CircuitJBL | 0.72% | $1.2B | 3,167,120 | Trimmed |
| ConocoPhillipsCOP | 0.71% | $1.2B | 11,588,365 | Added |
| Sony Group | 0.71% | $1.2B | 59,603,230 | Held |
| Elanco Animal HealthELAN | 0.66% | $1.1B | 45,445,012 | Trimmed |
| JPMorgan Chase &JPM | 0.66% | $1.1B | 3,382,627 | Trimmed |
| Adobe SystemsADBE | 0.63% | $1.1B | 5,227,139 | Added |
| Northern TrustNTRS | 0.63% | $1.1B | 6,100,742 | Trimmed |
| CorningGLW | 0.62% | $1.1B | 4,131,872 | Trimmed |
| Novartis AG ADRNVS | 0.61% | $1.0B | 6,592,124 | Trimmed |
| Thermo Fisher ScientificTMO | 0.59% | $994M | 1,982,271 | Trimmed |
| CaterpillarCAT | 0.55% | $928M | 871,700 | Trimmed |
| Marvell Technology GroupMRVL | 0.49% | $822M | 2,757,995 | Trimmed |
| Biomarin PharmaceuticalBMRN | 0.48% | $812M | 14,190,183 | Trimmed |
| Nextracker Inc. Class A Common StockNXT | 0.47% | $797M | 6,688,767 | Trimmed |
| OracleORCL | 0.47% | $789M | 5,386,230 | Trimmed |
| Hewlett Packard EnterpriseHPE | 0.46% | $773M | 17,140,875 | Trimmed |
| Applied MaterialsAMAT | 0.45% | $754M | 1,042,926 | Trimmed |
By sector
Share of the reported value.
Reported value over time
Total 13F value at each quarter end.
Questions
What stocks does PRIMECAP Management own?
In the Q2 2026 13F, PRIMECAP Management Co reported 324 US stock positions worth $169.1B. The largest: Micron Technology (MU) 13.1%, Eli Lilly and (LLY) 6.5%, Intel (INTC) 6.2%, KLA (KLAC) 3.7%, Alphabet Inc Class A (GOOGL) 3.1%.
What did PRIMECAP Management buy last quarter?
In Q2 2026: new position in Fedex Freight Holding (FDXF); new position in Space Exploration Techn-Cl A (SPCX); new position in Devon Energy (DVN); added to KLA (KLAC); added to Biogen (BIIB); added to Southwest Airlines (LUV).
When is PRIMECAP Management's next 13F?
13F filings are due 45 days after each quarter ends. The Q3 2026 filing is due by November 14, 2026.
More investors
13F filings list US-listed long positions (and some options) held at quarter end. They leave out short positions, cash, bonds and non-US holdings, and arrive up to 45 days after the quarter ends, so the investor may have traded since. Information only, not investment advice.