Healthcare stocks
US-listed healthcare companies by market cap, grouped by industry
$9.36T
total market cap
$9.36T
total market cap
766 of the 5,000 largest US-listed companies are in healthcare, with a combined market cap of $9.36T, the 3rd largest of 12 sectors. The largest are Eli Lilly and Company (LLY), Johnson & Johnson (JNJ), AbbVie (ABBV), together 24% of the sector. Its biggest industry by market cap is multi-therapeutic drug manufacturing (60 companies, $2.60T).
Market cap as of October 23, 2026
Companies
766
of the 5,000 largest
Industries
90
Share of market
10%
of $97.3T
Largest company
Eli Lilly and Company
LLY ยท $1.14T
Largest companies
The 10 largest of the sector by market cap
| # | Company | Industry | Market cap | Share of sector |
|---|---|---|---|---|
| 1 | Eli Lilly and Company LLY | Blood Sugar Management Drugs | $1.14T | 12% |
| 2 | Johnson & Johnson JNJ | Multi-Therapeutic Drug Manufacturing | $635B | 7% |
| 3 | AbbVie ABBV | Multi-Therapeutic Drug Manufacturing | $505B | 5% |
| 4 | UnitedHealth Group UNH | Additional Health Insurance Management | $375B | 4% |
| 5 | Merck & Co., Inc. MRK | Additional Cancer Treatment Drugs | $358B | 4% |
| 6 | Novartis NVS | Multi-Therapeutic Drug Manufacturing | $287B | 3% |
| 7 | AstraZeneca AZN | Multi-Therapeutic Drug Manufacturing | $266B | 3% |
| 8 | Thermo Fisher Scientific TMO | Standard Laboratory Equipment | $249B | 3% |
| 9 | Amgen AMGN | Multi-Therapeutic Drug Manufacturing | $237B | 3% |
| 10 | Gilead Sciences GILD | Antiviral Pharmaceuticals | $193B | 2% |
Industries
90 industries by market cap. Choose one to see its companies.
| Industry | Companies | Market cap | Share of sector |
|---|---|---|---|
| Multi-Therapeutic Drug Manufacturing | 60 | $2.60T | 28% |
| Blood Sugar Management Drugs | 4 | $1.31T | 14% |
| Additional Cancer Treatment Drugs | 87 | $647B | 7% |
| Various Healthcare Equipment Manufacturing | 16 | $596B | 6% |
| Additional Health Insurance Management | 3 | $480B | 5% |
| Biological Analysis Equipment | 22 | $359B | 4% |
| Standard Laboratory Equipment | 4 | $317B | 3% |
| Antiviral Pharmaceuticals | 19 | $302B | 3% |
| Additional Drug Wholesale | 5 | $251B | 3% |
| Brain and Nerve Treatment Drugs | 66 | $201B | 2% |
| Operation Equipment | 5 | $162B | 2% |
| Standard Inpatient Medical Facilities | 6 | $140B | 1% |
Show all 90 industriesShow fewer
Companies are grouped by the sector and industry of their main source of revenue. Market caps in US dollars.
