| Rank | Company | Market cap | Sector | Industry | Country | Exchange |
|---|---|---|---|---|---|---|
| 1 | $42.6B | Healthcare | Diagnostics & Research | United States | NYSE | |
| 2 | $40.4B | Healthcare | Diagnostics & Research | United States | Nasdaq | |
| 3 | $22.9B | Healthcare | Diagnostics & Research | United States | Nasdaq | |
| 4 | $16.8B | Healthcare | Diagnostics & Research | United States | Nasdaq | |
| 5 | $14.2B | Healthcare | Diagnostics & Research | United States | NYSE | |
| 6 | $12.6B | Healthcare | Diagnostics & Research | United States | Nasdaq | |
| 7 | $6.54B | Healthcare | Diagnostics & Research | United States | Nasdaq | |
| 8 | $2.56B | Healthcare | Diagnostics & Research | United States | Nasdaq | |
| 9 | $2.30B | Healthcare | Diagnostics & Research | United States | Nasdaq | |
| 10 | $1.77B | Healthcare | Diagnostics & Research | United States | Nasdaq | |
| 11 | $1.53B | Healthcare | Diagnostics & Research | United States | Nasdaq | |
| 12 | $851M | Healthcare | Diagnostics & Research | United States | Nasdaq | |
| 13 | $740M | Healthcare | Diagnostics & Research | United States | Nasdaq | |
| 14 | $678M | Healthcare | Diagnostics & Research | United States | Nasdaq | |
| 15 | $665M | Healthcare | Diagnostics & Research | United States | Nasdaq | |
| 16 | $453M | Healthcare | Diagnostics & Research | United States | Nasdaq | |
| 17 | $452M | Healthcare | Diagnostics & Research | United States | Nasdaq | |
| 18 | $402M | Healthcare | Diagnostics & Research | United States | Nasdaq | |
| 19 | $107M | Healthcare | Diagnostics & Research | United States | Nasdaq | |
| 20 | $105M | Healthcare | Diagnostics & Research | United States | Nasdaq | |
| 21 | $88.6M | Healthcare | Diagnostics & Research | United States | Nasdaq | |
| 22 | $28.6M | Healthcare | Diagnostics & Research | United States | Nasdaq | |
| 23 | $8.69M | Healthcare | Diagnostics & Research | United States | Nasdaq | |
| 24 | $5.50M | Healthcare | Diagnostics & Research | United States | Nasdaq | |
| 25 | $5.22M | Healthcare | Diagnostics & Research | United States | Nasdaq | |
| 26 | $3.77M | Healthcare | Diagnostics & Research | United States | Nasdaq | |
| 27 | $3.05M | Healthcare | Diagnostics & Research | United States | Nasdaq | |
| 28 | $3.00M | Healthcare | Diagnostics & Research | United States | NYSE | |
| 29 | $2.75M | Healthcare | Diagnostics & Research | United States | Nasdaq | |
| 30 | $0.05M | Healthcare | Diagnostics & Research | United States | Nasdaq | |
| 31 | Healthcare | Diagnostics & Research | United States | Nasdaq |