Healthcare groups drug makers, device companies, insurers, and care providers under one industry-group label — not a single product cycle and not the same as a biotech index. Combined size is not a sector return. See how the ranking works.
359 U.S.-listed Healthcare companies with a market cap of at least $1B are ranked here by market capitalization, worth a combined $9.02T — 9.03% of the total market tracked on MarketCapLens. The most valuable is Eli Lilly and Company at $1.09T. As of September 23, 2026. Size ranking for research, not a sector recommendation.
| Industry | Companies | Combined cap | % of sector |
|---|---|---|---|
| Drug Manufacturers - General | 16 | $4.2T | 46.55% |
| Biotechnology | 164 | $1.2T | 13.32% |
| Medical - Diagnostics & Research | 27 | $875.99B | 9.71% |
| Medical - Devices | 37 | $746.7B | 8.28% |
| Medical - Healthcare Plans | 11 | $703.55B | 7.80% |
| Medical - Instruments & Supplies | 24 | $391.37B |
The largest company, Eli Lilly and Company (LLY), is 12.04% of Healthcare. The three largest — Eli Lilly and Company (LLY), Johnson & Johnson (JNJ), and AbbVie Inc. (ABBV) — are 24.43% of the sector. The ten largest are 45.28%. Eli Lilly and Company is classified as Drug Manufacturers - General, which is also the largest industry in this sector by combined cap.
| Weight |
|---|
| 59 | Quest Diagnostics IncorporatedDGX | $25.72B | $233.00 | -0.75% | 1.12M | 0.29% |
| 58 | West Pharmaceutical Services, Inc.WST | $26.46B | $375.97 | +1.32% | 873.42K | 0.29% |
| 57 | Roivant Sciences Ltd.ROIV | $26.6B | $36.82 | -3.66% | 7.77M | 0.29% |
| 56 | Medline Inc.MDLN | $29B | $34.30 | -0.38% | 8.59M | 0.32% |
| 55 | GE HealthCare Technologies Inc.GEHC | $29.85B | $66.09 | -0.27% | 3.05M | 0.33% |
| 54 | Zoetis Inc.ZTS | $30.03B | $71.63 | -1.73% | 3.79M | 0.33% |
| 53 | Mettler-Toledo International Inc.MTD | $30.16B | $1,492.34 | +0.11% | 237.11K | 0.33% |
| 52 | Centene Corp.CNC | $30.66B | $62.07 | -1.94% | 3.41M | 0.34% |
| 51 | Alcon Inc.ALC | $31.89B | $65.39 | -0.30% | 1.05M | 0.35% |
| 50 | ResMed Inc.RMD | $32.25B | $222.30 | +0.15% | 1.34M | 0.36% |
| 49 | Alnylam Pharmaceuticals, Inc.ALNY | $32.99B | $246.51 | -2.04% | 1.27M | 0.37% |
| 48 | DexCom, Inc.DXCM | $33.11B | $87.73 | -2.01% | 3.62M | 0.37% |
| 47 | Biogen Inc.BIIB | $33.62B | $227.53 | +0.96% | 1.39M | 0.37% |
| 46 | Illumina, Inc.ILMN | $38.64B | $255.38 | +3.20% | 2.23M | 0.43% |
| 45 | BeOne Medicines AGONC | $39B | $365.00 | -0.84% | 630.13K | 0.43% |
| 44 | Haleon plcHLN | $40.12B | $9.11 | -1.51% | 21.34M | 0.44% |
| 43 | Revolution Medicines, Inc.RVMD | $40.55B | $190.74 | -1.10% | 1.99M | 0.45% |
| 42 | IDEXX Laboratories, Inc.IDXX | $41.18B | $522.02 | +0.10% | 352.95K | 0.46% |
| 41 | Waters CorporationWAT | $41.29B | $420.57 | -1.21% | 685.82K | 0.46% |
| 40 | IQVIA Holdings Inc.IQV | $44.09B | $267.86 | -0.83% | 1.1M | 0.49% |
| 39 | Humana Inc.HUM | $45.01B | $374.80 | +0.77% | 789.38K | 0.50% |
| 38 | Teva Pharmaceutical Industries LimitedTEVA | $45.43B | $39.01 | -1.29% | 6.1M | 0.50% |
| 37 | Agilent Technologies, Inc.A | $46.69B | $165.32 | -1.16% | 3.11M | 0.52% |
| 36 | Edwards Lifesciences CorporationEW | $49.99B | $86.82 | -2.21% | 3.49M | 0.55% |
| 35 | Becton, Dickinson and CompanyBDX | $50.29B | $182.52 | -0.26% | 1.02M | 0.56% |
| 34 | Cardinal Health, Inc.CAH | $51.82B | $221.27 | -0.35% | 1.19M | 0.57% |
| 33 | Natera, Inc.NTRA | $55.97B | $390.79 | -0.03% | 1.68M | 0.62% |
| 32 | argenx SEARGX | $58.82B | $945.82 | -1.86% | 426.47K | 0.65% |
| 31 | Takeda Pharmaceutical Company LimitedTAK | $59.86B | $18.81 | -0.74% | 2.56M | 0.66% |
| 30 | Cencora, Inc.COR | $60.76B | $312.28 | -0.68% | 1.09M | 0.67% |
| 29 | Boston Scientific CorporationBSX | $66.32B | $44.62 | -0.67% | 18.17M | 0.74% |
| 28 | Cigna CorporationCI | $70.89B | $268.27 | -2.00% | 1.82M | 0.79% |
| 27 | Moderna, Inc.MRNA | $72.26B | $182.11 | -0.25% | 17.54M | 0.80% |
| 26 | Regeneron Pharmaceuticals, Inc.REGN | $82.61B | $801.82 | -0.26% | 636.81K | 0.92% |
| 25 | Elevance Health Inc.ELV | $86.44B | $398.56 | -0.96% | 1.17M | 0.96% |
| 24 | HCA Healthcare, Inc.HCA | $94.5B | $436.48 | -0.37% | 1.28M | 1.05% |
| 23 | GSK plcGSK | $99.59B | $49.71 | -1.99% | 3.04M | 1.10% |
| 22 | SanofiSNY | $100.03B | $41.66 | -2.00% | 3.84M | 1.11% |
| 21 | McKesson CorporationMCK | $103.09B | $880.50 | -1.20% | 661.24K | 1.14% |
| 20 | Stryker CorporationSYK | $104.81B | $273.40 | -0.61% | 2.57M | 1.16% |
| 19 | CVS Health Corp.CVS | $109.55B | $85.86 | -1.42% | 7.09M | 1.21% |
| 18 | Medtronic plcMDT | $114.31B | $89.30 | -1.62% | 10.49M | 1.27% |
| 17 | Bristol-Myers Squibb CompanyBMY | $124.91B | $61.15 | -1.77% | 14.27M | 1.39% |
| 16 | Vertex Pharmaceuticals IncorporatedVRTX | $131.05B | $516.34 | +0.26% | 1.19M | 1.45% |
| 15 | Intuitive Surgical, Inc.ISRG | $140.71B | $398.30 | -0.94% | 1.63M | 1.56% |
| 14 | Danaher CorporationDHR | $155.85B | $221.70 | +0.28% | 3.13M | 1.73% |
| 13 | Pfizer Inc.PFE | $160.55B | $28.17 | +0.86% | 32.19M | 1.78% |
| 12 | Novo Nordisk A/SNVO | $169.5B | $38.17 | -3.12% | 18.16M | 1.88% |
| 11 | Abbott LaboratoriesABT | $179.14B | $103.53 | -0.20% | 12.1M | 1.99% |
| 10 | Gilead Sciences, Inc.GILD | $187.69B | $151.37 | -0.85% | 5.46M | 2.08% |
| 9 | Amgen Inc.AMGN | $219.17B | $406.09 | -1.01% | 2.76M | 2.43% |
| 8 | Thermo Fisher Scientific Inc.TMO | $245.99B | $665.30 | +1.03% | 2.21M | 2.73% |
| 7 | AstraZeneca PLCAZN | $253.3B | $163.33 | -2.99% | 2.36M | 2.81% |
| 6 | Novartis AGNVS | $271.25B | $142.71 | +1.01% | 2.52M | 3.01% |
| 5 | UnitedHealth Group IncorporatedUNH | $337.18B | $371.29 | -0.45% | 3.82M | 3.74% |
| 4 | Merck & Co., Inc.MRK | $365.81B | $148.11 | -1.86% | 9.47M | 4.06% |
| 3 | AbbVie Inc.ABBV | $468.73B | $265.30 | +0.03% | 3.39M | 5.20% |
| 2 | Johnson & JohnsonJNJ | $648.67B | $269.17 | -0.01% | 6.31M | 7.19% |
| 1 | Eli Lilly and CompanyLLY | $1.09T | $1,152.70 | -1.49% | 2.12M | 12.04% |
| 4.34% |
| Drug Manufacturers - Specialty & Generic | 24 | $265.56B | 2.94% |
|---|
| Medical - Care Facilities | 31 | $239.23B | 2.65% |
|---|
| Other | 25 | $396.83B | 4.40% |
|---|
Read the industry rows as labeled: drug manufacturers, medical devices, diagnostics, managed care, and providers sit side by side. Combined market cap is equity size, not a health-care return, and it is not a pipeline score.