United States

Top 1000 largest US Companies in the Healthcare sector by Market Cap

This is the list of the largest public listed companies in the Healthcare sector from the United States by market capitalization with links to their reference stock and industry.

United States Healthcare Sector Analysis
Top US Companies United States Analysis
World Top Companies World Companies Analysis

Top Healthcare Companies from the United States as of Jan. 01, 2026

Download Excel

Rank Company Market Cap (USD) Country Sector Industry
31 Seagen Inc. $43.15 B

(Dec. 1, 2023)

 United States US Healthcare US Biotechnology
32 Agilent Technologies, Inc. $39.11 B United States US Healthcare US Diagnostics & Research
33 IQVIA Holdings Inc. $38.38 B United States US Healthcare US Diagnostics & Research
34 GE HealthCare Technologies Inc. $37.81 B United States US Healthcare US Health Information Services
35 Insmed Incorporated $37.77 B United States US Healthcare US Biotechnology
36 Veeva Systems Inc. $36.08 B United States US Healthcare US Health Information Services
37 ResMed Inc. $35.73 B United States US Healthcare US Medical Instruments & Supplies
38 Natera, Inc. $31.91 B United States US Healthcare US Diagnostics & Research
39 Humana Inc. $31.81 B United States US Healthcare US Healthcare Plans
40 Mettler-Toledo International Inc. $29.07 B United States US Healthcare US Diagnostics & Research
41 DexCom, Inc. $26.09 B United States US Healthcare US Diagnostics & Research
42 Biogen Inc. $26.09 B United States US Healthcare US Drug Manufacturers—General
43 Viela Bio, Inc. $25.88 B United States US Healthcare US Biotechnology
44 STERIS Corp $23.07 B United States US Healthcare US Medical Devices
45 Waters Corporation $22.74 B United States US Healthcare US Diagnostics & Research
46 Royalty Pharma plc $22.66 B United States US Healthcare US Biotechnology
47 United Therapeutics Corporation $22.46 B United States US Healthcare US Biotechnology
48 Laboratory Corporation of America Holdings $20.91 B United States US Healthcare US Diagnostics & Research
49 Illumina, Inc. $20.65 B United States US Healthcare US Diagnostics & Research
50 Centene Corporation $20.54 B United States US Healthcare US Healthcare Plans
51 Insulet Corporation $19.92 B United States US Healthcare US Medical Devices
52 Incyte Corporation $19.91 B United States US Healthcare US Biotechnology
53 West Pharmaceutical Services, Inc. $19.89 B United States US Healthcare US Medical Instruments & Supplies
54 Quest Diagnostics Incorporated $19.43 B United States US Healthcare US Diagnostics & Research
55 Exact Sciences Corporation $19.31 B United States US Healthcare US Diagnostics & Research
56 Zimmer Biomet Holdings, Inc. $17.84 B United States US Healthcare US Medical Devices
57 Tenet Healthcare Corporation $17.62 B United States US Healthcare US Medical Care Facilities
58 Abiomed, Inc. $17.18 B

(Dec. 1, 2022)

 United States US Healthcare US Medical Devices
59 Hologic, Inc. $16.63 B United States US Healthcare US Medical Instruments & Supplies
60 PPD, Inc. $16.58 B

(Dec. 1, 2021)

 United States US Healthcare US Drug Manufacturers—Specialty & Generic

Top Healthcare Companies from the United States as of Jan. 01, 2026

31. Seagen Inc.

Company Profile: Seagen Inc.
Market Cap (USD): $43.15 B (Dec. 1, 2023)
Country: United States
Sector: US Healthcare
Industry: US Biotechnology

32. Agilent Technologies, Inc.

Company Profile: Agilent Technologies, Inc.
Market Cap (USD): $39.11 B
Country: United States
Sector: US Healthcare
Industry: US Diagnostics & Research

33. IQVIA Holdings Inc.

Company Profile: IQVIA Holdings Inc.
Market Cap (USD): $38.38 B
Country: United States
Sector: US Healthcare
Industry: US Diagnostics & Research

34. GE HealthCare

Company Profile: GE HealthCare Technologies Inc.
Market Cap (USD): $37.81 B
Country: United States
Sector: US Healthcare
Industry: US Health Information Services

35. Insmed Incorporated

Company Profile: Insmed Incorporated
Market Cap (USD): $37.77 B
Country: United States
Sector: US Healthcare
Industry: US Biotechnology

36. Veeva Systems Inc.

Company Profile: Veeva Systems Inc.
Market Cap (USD): $36.08 B
Country: United States
Sector: US Healthcare
Industry: US Health Information Services

37. ResMed Inc.

Company Profile: ResMed Inc.
Market Cap (USD): $35.73 B
Country: United States
Sector: US Healthcare
Industry: US Medical Instruments & Supplies

38. Natera, Inc.

Company Profile: Natera, Inc.
Market Cap (USD): $31.91 B
Country: United States
Sector: US Healthcare
Industry: US Diagnostics & Research

39. Humana Inc.

Company Profile: Humana Inc.
Market Cap (USD): $31.81 B
Country: United States
Sector: US Healthcare
Industry: US Healthcare Plans

40. Mettler-Toledo International Inc.

Company Profile: Mettler-Toledo International Inc.
Market Cap (USD): $29.07 B
Country: United States
Sector: US Healthcare
Industry: US Diagnostics & Research

41. DexCom, Inc.

Company Profile: DexCom, Inc.
Market Cap (USD): $26.09 B
Country: United States
Sector: US Healthcare
Industry: US Diagnostics & Research

42. Biogen Inc.

Company Profile: Biogen Inc.
Market Cap (USD): $26.09 B
Country: United States
Sector: US Healthcare
Industry: US Drug Manufacturers—General

43. Viela Bio, Inc.

Company Profile: Viela Bio, Inc.
Market Cap (USD): $25.88 B
Country: United States
Sector: US Healthcare
Industry: US Biotechnology

44. STERIS Corp

Company Profile: STERIS Corp
Market Cap (USD): $23.07 B
Country: United States
Sector: US Healthcare
Industry: US Medical Devices

45. Waters Corporation

Company Profile: Waters Corporation
Market Cap (USD): $22.74 B
Country: United States
Sector: US Healthcare
Industry: US Diagnostics & Research

46. Royalty Pharma plc

Company Profile: Royalty Pharma plc
Market Cap (USD): $22.66 B
Country: United States
Sector: US Healthcare
Industry: US Biotechnology

47. United Therapeutics Corporation

Company Profile: United Therapeutics Corporation
Market Cap (USD): $22.46 B
Country: United States
Sector: US Healthcare
Industry: US Biotechnology

48. Laboratory Corporation of America Holdings

Company Profile: Laboratory Corporation of America Holdings
Market Cap (USD): $20.91 B
Country: United States
Sector: US Healthcare
Industry: US Diagnostics & Research

49. Illumina, Inc.

Company Profile: Illumina, Inc.
Market Cap (USD): $20.65 B
Country: United States
Sector: US Healthcare
Industry: US Diagnostics & Research

50. Centene Corporation

Company Profile: Centene Corporation
Market Cap (USD): $20.54 B
Country: United States
Sector: US Healthcare
Industry: US Healthcare Plans

51. Insulet Corporation

Company Profile: Insulet Corporation
Market Cap (USD): $19.92 B
Country: United States
Sector: US Healthcare
Industry: US Medical Devices

52. Incyte Corporation

Company Profile: Incyte Corporation
Market Cap (USD): $19.91 B
Country: United States
Sector: US Healthcare
Industry: US Biotechnology

53. West Pharmaceutical Services, Inc.

Company Profile: West Pharmaceutical Services, Inc.
Market Cap (USD): $19.89 B
Country: United States
Sector: US Healthcare
Industry: US Medical Instruments & Supplies

54. Quest Diagnostics Incorporated

Company Profile: Quest Diagnostics Incorporated
Market Cap (USD): $19.43 B
Country: United States
Sector: US Healthcare
Industry: US Diagnostics & Research

55. Exact Sciences Corporation

Company Profile: Exact Sciences Corporation
Market Cap (USD): $19.31 B
Country: United States
Sector: US Healthcare
Industry: US Diagnostics & Research

56. Zimmer Biomet Holdings, Inc.

Company Profile: Zimmer Biomet Holdings, Inc.
Market Cap (USD): $17.84 B
Country: United States
Sector: US Healthcare
Industry: US Medical Devices

57. Tenet Healthcare Corporation

Company Profile: Tenet Healthcare Corporation
Market Cap (USD): $17.62 B
Country: United States
Sector: US Healthcare
Industry: US Medical Care Facilities

58. Abiomed, Inc.

Company Profile: Abiomed, Inc.
Market Cap (USD): $17.18 B (Dec. 1, 2022)
Country: United States
Sector: US Healthcare
Industry: US Medical Devices

59. Hologic, Inc.

Company Profile: Hologic, Inc.
Market Cap (USD): $16.63 B
Country: United States
Sector: US Healthcare
Industry: US Medical Instruments & Supplies

60. PPD, Inc.

Company Profile: PPD, Inc.
Market Cap (USD): $16.58 B (Dec. 1, 2021)
Country: United States
Sector: US Healthcare
Industry: US Drug Manufacturers—Specialty & Generic

Stay in touch