World

Top 148 largest Companies in the Diagnostics & Research industry in the World by Market Cap

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

World Diagnostics & Research Industry Analysis
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Top Diagnostics & Research Companies in the World as of Jan. 01, 2026

Rank Company Market Cap (USD) Country Sector Industry
31 Lantheus Holdings, Inc. $4.57 B United States US Healthcare US Diagnostics & Research
32 Syneos Health, Inc. $4.38 B

(July 1, 2023)

 United States US Healthcare US Diagnostics & Research
33 DiaSorin S.p.A. $4.26 B Italy Italian Healthcare Italian Diagnostics & Research
34 Ortho Clinical Diagnostics Holdings plc $4.19 B

(May 1, 2022)

 United States US Healthcare US Diagnostics & Research
35 Olink Holding AB $3.20 B

(July 1, 2024)

 Sweden Swedish Healthcare Swedish Diagnostics & Research
36 Autobio Diagnostics Co. Ltd $2.96 B China Chinese Healthcare Chinese Diagnostics & Research
37 BGI Genomics Co. Ltd $2.83 B China Chinese Healthcare Chinese Diagnostics & Research
38 Soleno Therapeutics, Inc. $2.53 B United States US Healthcare US Diagnostics & Research
39 Twist Bioscience Corporation $1.98 B United States US Healthcare US Diagnostics & Research
40 Quidel Corporation $1.96 B United States US Healthcare US Diagnostics & Research
41 Guangzhou Kingmed Diagnostics Group Co. Ltd $1.95 B China Chinese Healthcare Chinese Diagnostics & Research
42 Dian Diagnostics Group Co.,Ltd. $1.53 B China Chinese Healthcare Chinese Diagnostics & Research
43 NeoGenomics, Inc. $1.52 B United States US Healthcare US Diagnostics & Research
44 Neogen Corporation $1.52 B United States US Healthcare US Diagnostics & Research
45 Meridian Bioscience, Inc. $1.47 B

(Jan. 1, 2023)

 United States US Healthcare US Diagnostics & Research
46 Shanghai Runda Medical Technology Co. Ltd $1.36 B China Chinese Healthcare Chinese Diagnostics & Research
47 Guangzhou Wondfo Biotech Co.,Ltd $1.35 B China Chinese Healthcare Chinese Diagnostics & Research
48 H.U. Group Holdings, Inc. $1.32 B Japan Japanese Healthcare Japanese Diagnostics & Research
49 Amoy Diagnostics Co. Ltd $1.17 B China Chinese Healthcare Chinese Diagnostics & Research
50 Beijing Strong Biotechnologies, Inc. $1.13 B China Chinese Healthcare Chinese Diagnostics & Research
51 Castle Biosciences, Inc. $1.12 B United States US Healthcare US Diagnostics & Research
52 Diagnosticos da America SA $1.02 B Brazil Brazilian Healthcare Brazilian Diagnostics & Research
53 CareDx, Inc $1.02 B United States US Healthcare US Diagnostics & Research
54 OPKO Health, Inc. $1.01 B United States US Healthcare US Diagnostics & Research
55 Maccura Biotechnology Co.Ltd $991.2 M China Chinese Healthcare Chinese Diagnostics & Research
56 Clínica Baviera, SA $923.3 M Spain Spanish Healthcare Spanish Diagnostics & Research
57 BML, Inc. $916.1 M Japan Japanese Healthcare Japanese Diagnostics & Research
58 New Horizon Health Ltd $808.3 M

(July 1, 2025)

 China Chinese Healthcare Chinese Diagnostics & Research
59 Fulgent Genetics, Inc. $791.0 M United States US Healthcare US Diagnostics & Research
60 Heska Corporation $773.9 M

(Jan. 1, 2023)

 United States US Healthcare US Diagnostics & Research

Top Diagnostics & Research Companies in the World as of Jan. 01, 2026

31. Lantheus Holdings, Inc.

Company Profile: Lantheus Holdings, Inc.
Market Cap (USD): $4.57 B
Country: United States
Sector: US Healthcare
Industry: US Diagnostics & Research

32. Syneos Health, Inc.

Company Profile: Syneos Health, Inc.
Market Cap (USD): $4.38 B (July 1, 2023)
Country: United States
Sector: US Healthcare
Industry: US Diagnostics & Research

33. DiaSorin S.p.A.

Company Profile: DiaSorin S.p.A.
Market Cap (USD): $4.26 B
Country: Italy
Sector: Italian Healthcare
Industry: Italian Diagnostics & Research

34. Ortho Clinical Diagnostics Holdings plc

Company Profile: Ortho Clinical Diagnostics Holdings plc
Market Cap (USD): $4.19 B (May 1, 2022)
Country: United States
Sector: US Healthcare
Industry: US Diagnostics & Research

35. Olink Holding AB

Company Profile: Olink Holding AB
Market Cap (USD): $3.20 B (July 1, 2024)
Country: Sweden
Sector: Swedish Healthcare
Industry: Swedish Diagnostics & Research

36. Autobio Diagnostics Co. Ltd

Company Profile: Autobio Diagnostics Co. Ltd
Market Cap (USD): $2.96 B
Country: China
Sector: Chinese Healthcare
Industry: Chinese Diagnostics & Research

37. BGI Genomics Co. Ltd

Company Profile: BGI Genomics Co. Ltd
Market Cap (USD): $2.83 B
Country: China
Sector: Chinese Healthcare
Industry: Chinese Diagnostics & Research

38. Soleno Therapeutics, Inc.

Company Profile: Soleno Therapeutics, Inc.
Market Cap (USD): $2.53 B
Country: United States
Sector: US Healthcare
Industry: US Diagnostics & Research

39. Twist Bioscience Corporation

Company Profile: Twist Bioscience Corporation
Market Cap (USD): $1.98 B
Country: United States
Sector: US Healthcare
Industry: US Diagnostics & Research

40. Quidel Corporation

Company Profile: Quidel Corporation
Market Cap (USD): $1.96 B
Country: United States
Sector: US Healthcare
Industry: US Diagnostics & Research

41. Guangzhou Kingmed Diagnostics Group Co. Ltd

Company Profile: Guangzhou Kingmed Diagnostics Group Co. Ltd
Market Cap (USD): $1.95 B
Country: China
Sector: Chinese Healthcare
Industry: Chinese Diagnostics & Research

42. Dian Diagnostics Group Co.,Ltd.

Company Profile: Dian Diagnostics Group Co.,Ltd.
Market Cap (USD): $1.53 B
Country: China
Sector: Chinese Healthcare
Industry: Chinese Diagnostics & Research

43. NeoGenomics, Inc.

Company Profile: NeoGenomics, Inc.
Market Cap (USD): $1.52 B
Country: United States
Sector: US Healthcare
Industry: US Diagnostics & Research

44. Neogen Corporation

Company Profile: Neogen Corporation
Market Cap (USD): $1.52 B
Country: United States
Sector: US Healthcare
Industry: US Diagnostics & Research

45. Meridian Bioscience, Inc.

Company Profile: Meridian Bioscience, Inc.
Market Cap (USD): $1.47 B (Jan. 1, 2023)
Country: United States
Sector: US Healthcare
Industry: US Diagnostics & Research

46. Shanghai Runda Medical Technology Co. Ltd

Company Profile: Shanghai Runda Medical Technology Co. Ltd
Market Cap (USD): $1.36 B
Country: China
Sector: Chinese Healthcare
Industry: Chinese Diagnostics & Research

47. Guangzhou Wondfo Biotech Co.,Ltd

Company Profile: Guangzhou Wondfo Biotech Co.,Ltd
Market Cap (USD): $1.35 B
Country: China
Sector: Chinese Healthcare
Industry: Chinese Diagnostics & Research

48. H.U. Group Holdings, Inc.

Company Profile: H.U. Group Holdings, Inc.
Market Cap (USD): $1.32 B
Country: Japan
Sector: Japanese Healthcare
Industry: Japanese Diagnostics & Research

49. Amoy Diagnostics Co. Ltd

Company Profile: Amoy Diagnostics Co. Ltd
Market Cap (USD): $1.17 B
Country: China
Sector: Chinese Healthcare
Industry: Chinese Diagnostics & Research

50. Beijing Strong Biotechnologies, Inc.

Company Profile: Beijing Strong Biotechnologies, Inc.
Market Cap (USD): $1.13 B
Country: China
Sector: Chinese Healthcare
Industry: Chinese Diagnostics & Research

51. Castle Biosciences, Inc.

Company Profile: Castle Biosciences, Inc.
Market Cap (USD): $1.12 B
Country: United States
Sector: US Healthcare
Industry: US Diagnostics & Research

52. Diagnosticos da America SA

Company Profile: Diagnosticos da America SA
Market Cap (USD): $1.02 B
Country: Brazil
Sector: Brazilian Healthcare
Industry: Brazilian Diagnostics & Research

53. CareDx, Inc

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

54. OPKO Health, Inc.

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

55. Maccura Biotechnology Co.Ltd

Company Profile: Maccura Biotechnology Co.Ltd
Market Cap (USD): $991.2 M
Country: China
Sector: Chinese Healthcare
Industry: Chinese Diagnostics & Research

56. Clínica Baviera, SA

Company Profile: Clínica Baviera, SA
Market Cap (USD): $923.3 M
Country: Spain
Sector: Spanish Healthcare
Industry: Spanish Diagnostics & Research

57. BML, Inc.

Company Profile: BML, Inc.
Market Cap (USD): $916.1 M
Country: Japan
Sector: Japanese Healthcare
Industry: Japanese Diagnostics & Research

58. New Horizon Health Ltd

Company Profile: New Horizon Health Ltd
Market Cap (USD): $808.3 M (July 1, 2025)
Country: China
Sector: Chinese Healthcare
Industry: Chinese Diagnostics & Research

59. Fulgent Genetics, Inc.

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

60. 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

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