United States

Top 70 largest US Companies in the Diagnostics & Research industry by Market Cap

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

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Top Diagnostics & Research Companies from the United States as of Jan. 01, 2026

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Rank Company Market Cap (USD) Country Sector Industry
31 CareDx, Inc $1.02 B United States US Healthcare US Diagnostics & Research
32 OPKO Health, Inc. $1.01 B United States US Healthcare US Diagnostics & Research
33 Fulgent Genetics, Inc. $791.0 M United States US Healthcare US Diagnostics & Research
34 Heska Corporation $773.9 M

(Jan. 1, 2023)

 United States US Healthcare US Diagnostics & Research
35 Personalis, Inc. $697.1 M United States US Healthcare US Diagnostics & Research
36 Myriad Genetics, Inc. $572.3 M United States US Healthcare US Diagnostics & Research
37 Pacific Biosciences of California, Inc. $555.5 M United States US Healthcare US Diagnostics & Research
38 Bioventus, Inc. $482.9 M United States US Healthcare US Diagnostics & Research
39 National Research Corporation $415.8 M United States US Healthcare US Diagnostics & Research
40 Senseonics Holdings, Inc. $240.7 M United States US Healthcare US Diagnostics & Research
41 Invitae Corporation $147.7 M

(Jan. 1, 2024)

 United States US Healthcare US Diagnostics & Research
42 Sera Prognostics, Inc. $115.8 M United States US Healthcare US Diagnostics & Research
43 23andMe Holding Co. $109.8 M

(Aug. 1, 2025)

 United States US Healthcare US Diagnostics & Research
44 Anixa Biosciences, Inc. $104.0 M United States US Healthcare US Diagnostics & Research
45 Neuronetics, Inc. $98.6 M United States US Healthcare US Diagnostics & Research
46 BioTelemetry, Inc. $83.7 M United States US Healthcare US Diagnostics & Research
47 VolitionRx Limited $76.2 M

(July 1, 2025)

 United States US Healthcare US Diagnostics & Research
48 Inotiv, Inc. $71.8 M

(July 1, 2025)

 United States US Healthcare US Diagnostics & Research
49 Biodesix, Inc. $51.7 M United States US Healthcare US Diagnostics & Research
50 BIOQUAL, Inc. $34.4 M United States US Healthcare US Diagnostics & Research
51 Lucira Health, Inc. $18.4 M

(May 1, 2023)

 United States US Healthcare US Diagnostics & Research
52 Enzo Biochem, Inc. $16.4 M

(June 1, 2025)

 United States US Healthcare US Diagnostics & Research
53 Bionano Genomics, Inc. $16.2 M United States US Healthcare US Diagnostics & Research
54 Psychemedics Corporation $13.5 M

(Aug. 1, 2025)

 United States US Healthcare US Diagnostics & Research
55 Biomerica, Inc. $7.5 M United States US Healthcare US Diagnostics & Research
56 ENDRA Life Sciences Inc. $5.0 M United States US Healthcare US Diagnostics & Research
57 Accelerate Diagnostics, Inc. $859,916

(July 1, 2025)

 United States US Healthcare US Diagnostics & Research
58 HTG Molecular Diagnostics, Inc. $730,695

(Aug. 1, 2023)

 United States US Healthcare US Diagnostics & Research
59 Motus GI Holdings, Inc. $638 United States US Healthcare US Diagnostics & Research
60 Fluidigm Corporation United States US Healthcare US Diagnostics & Research

Top Diagnostics & Research Companies from the United States as of Jan. 01, 2026

31. CareDx, Inc

Company Profile: CareDx, Inc
Market Cap (USD): $1.02 B
Country: United States
Sector: US Healthcare
Industry: US Diagnostics & Research

32. OPKO Health, Inc.

Company Profile: OPKO Health, Inc.
Market Cap (USD): $1.01 B
Country: United States
Sector: US Healthcare
Industry: US Diagnostics & Research

33. Fulgent Genetics, Inc.

Company Profile: Fulgent Genetics, Inc.
Market Cap (USD): $791.0 M
Country: United States
Sector: US Healthcare
Industry: US Diagnostics & Research

34. Heska Corporation

Company Profile: Heska Corporation
Market Cap (USD): $773.9 M (Jan. 1, 2023)
Country: United States
Sector: US Healthcare
Industry: US Diagnostics & Research

35. Personalis, Inc.

Company Profile: Personalis, Inc.
Market Cap (USD): $697.1 M
Country: United States
Sector: US Healthcare
Industry: US Diagnostics & Research

36. Myriad Genetics, Inc.

Company Profile: Myriad Genetics, Inc.
Market Cap (USD): $572.3 M
Country: United States
Sector: US Healthcare
Industry: US Diagnostics & Research

37. Pacific Biosciences of California, Inc.

Company Profile: Pacific Biosciences of California, Inc.
Market Cap (USD): $555.5 M
Country: United States
Sector: US Healthcare
Industry: US Diagnostics & Research

38. Bioventus, Inc.

Company Profile: Bioventus, Inc.
Market Cap (USD): $482.9 M
Country: United States
Sector: US Healthcare
Industry: US Diagnostics & Research

39. National Research Corporation

Company Profile: National Research Corporation
Market Cap (USD): $415.8 M
Country: United States
Sector: US Healthcare
Industry: US Diagnostics & Research

40. Senseonics Holdings, Inc.

Company Profile: Senseonics Holdings, Inc.
Market Cap (USD): $240.7 M
Country: United States
Sector: US Healthcare
Industry: US Diagnostics & Research

41. Invitae Corporation

Company Profile: Invitae Corporation
Market Cap (USD): $147.7 M (Jan. 1, 2024)
Country: United States
Sector: US Healthcare
Industry: US Diagnostics & Research

42. Sera Prognostics, Inc.

Company Profile: Sera Prognostics, Inc.
Market Cap (USD): $115.8 M
Country: United States
Sector: US Healthcare
Industry: US Diagnostics & Research

43. 23andMe Holding Co.

Company Profile: 23andMe Holding Co.
Market Cap (USD): $109.8 M (Aug. 1, 2025)
Country: United States
Sector: US Healthcare
Industry: US Diagnostics & Research

44. Anixa Biosciences, Inc.

Company Profile: Anixa Biosciences, Inc.
Market Cap (USD): $104.0 M
Country: United States
Sector: US Healthcare
Industry: US Diagnostics & Research

45. Neuronetics, Inc.

Company Profile: Neuronetics, Inc.
Market Cap (USD): $98.6 M
Country: United States
Sector: US Healthcare
Industry: US Diagnostics & Research

46. BioTelemetry, Inc.

Company Profile: BioTelemetry, Inc.
Market Cap (USD): $83.7 M
Country: United States
Sector: US Healthcare
Industry: US Diagnostics & Research

47. VolitionRx Limited

Company Profile: VolitionRx Limited
Market Cap (USD): $76.2 M (July 1, 2025)
Country: United States
Sector: US Healthcare
Industry: US Diagnostics & Research

48. Inotiv, Inc.

Company Profile: Inotiv, Inc.
Market Cap (USD): $71.8 M (July 1, 2025)
Country: United States
Sector: US Healthcare
Industry: US Diagnostics & Research

49. Biodesix, Inc.

Company Profile: Biodesix, Inc.
Market Cap (USD): $51.7 M
Country: United States
Sector: US Healthcare
Industry: US Diagnostics & Research

50. BIOQUAL, Inc.

Company Profile: BIOQUAL, Inc.
Market Cap (USD): $34.4 M
Country: United States
Sector: US Healthcare
Industry: US Diagnostics & Research

51. Lucira Health, Inc.

Company Profile: Lucira Health, Inc.
Market Cap (USD): $18.4 M (May 1, 2023)
Country: United States
Sector: US Healthcare
Industry: US Diagnostics & Research

52. Enzo Biochem, Inc.

Company Profile: Enzo Biochem, Inc.
Market Cap (USD): $16.4 M (June 1, 2025)
Country: United States
Sector: US Healthcare
Industry: US Diagnostics & Research

53. Bionano Genomics, Inc.

Company Profile: Bionano Genomics, Inc.
Market Cap (USD): $16.2 M
Country: United States
Sector: US Healthcare
Industry: US Diagnostics & Research

54. Psychemedics Corporation

Company Profile: Psychemedics Corporation
Market Cap (USD): $13.5 M (Aug. 1, 2025)
Country: United States
Sector: US Healthcare
Industry: US Diagnostics & Research

55. Biomerica, Inc.

Company Profile: Biomerica, Inc.
Market Cap (USD): $7.5 M
Country: United States
Sector: US Healthcare
Industry: US Diagnostics & Research

56. ENDRA Life Sciences Inc.

Company Profile: ENDRA Life Sciences Inc.
Market Cap (USD): $5.0 M
Country: United States
Sector: US Healthcare
Industry: US Diagnostics & Research

57. Accelerate Diagnostics, Inc.

Company Profile: Accelerate Diagnostics, Inc.
Market Cap (USD): $859,916 (July 1, 2025)
Country: United States
Sector: US Healthcare
Industry: US Diagnostics & Research

58. HTG Molecular Diagnostics, Inc.

Company Profile: HTG Molecular Diagnostics, Inc.
Market Cap (USD): $730,695 (Aug. 1, 2023)
Country: United States
Sector: US Healthcare
Industry: US Diagnostics & Research

59. Motus GI Holdings, Inc.

Company Profile: Motus GI Holdings, Inc.
Market Cap (USD): $638
Country: United States
Sector: US Healthcare
Industry: US Diagnostics & Research

60. Fluidigm Corporation

Company Profile: Fluidigm Corporation
Country: United States
Sector: US Healthcare
Industry: US Diagnostics & Research

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