| Rank | Logo | Company | Market Cap | Country |
|---|---|---|---|---|
| 1 |  | Thermo Fisher Scientific | $172.62 B | USA |
| 2 |  | IDEXX Laboratories | $46.08 B | USA |
| 3 |  | Natera | $28.03 B | USA |
| 4 |  | Quest Diagnostics | $21.71 B | USA |
| 5 |  | SGS | $21.14 B | Switzerland |
| 6 |  | Exact Sciences | $19.80 B | USA |
| 7 |  | Eurofins Scientific | $12.46 B | Luxembourg |
| 8 |  | bioMérieux | $12.43 B | France |
| 9 |  | Revvity | $9.62 B | USA |
| 10 |  | Beijing Wantai Biological Pharmacy Enterprise | $7.48 B | China |
| 11 |  | Sonic Healthcare | $7.14 B | Australia |
| 12 |  | Shenzhen New Industries Biomedical Engineering | $5.71 B | China |
| 13 |  | Lantheus Holdings | $5.32 B | USA |
| 14 |  | Bruker | $5.18 B | USA |
| 15 |  | RadNet | $4.81 B | USA |
| 16 |  | Sotera Health | $3.91 B | USA |
| 17 |  | iRhythm (ZIO) | $3.79 B | USA |
| 18 |  | DiaSorin | $3.77 B | Italy |
| 19 |  | SYNLAB | $3.30 B | Germany |
| 20 |  | BillionToOne | $3.27 B | USA |
| 21 |  | Veracyte | $2.64 B | USA |
| 22 |  | Dr Lal PathLabs | $2.37 B | India |
| 23 |  | HeartFlow | $2.16 B | USA |
| 24 |  | GRAIL | $1.98 B | USA |
| 25 |  | Tecan | $1.89 B | Switzerland |
| 26 |  | QuidelOrtho | $1.15 B | USA |
| 27 |  | H.U. Group Holdings | $1.10 B | Japan |
| 28 |  | NeoGenomics | $1.03 B | USA |
| 29 |  | BML, Inc. | $0.94 B | Japan |
| 30 |  | Diagnosticos da America (DASA) | $0.81 B | Brazil |
| 31 |  | Personalis | $0.72 B | USA |
| 32 |  | SD BioSensor | $0.63 B | S. Korea |
| 33 |  | Eiken Chemical | $0.58 B | Japan |
| 34 |  | Fulgent Genetics | $0.47 B | USA |
| 35 |  | Myriad Genetics | $0.43 B | USA |
| 36 |  | Avacta Group | $0.38 B | UK |
| 37 |  | Prenetics | $0.34 B | Hong Kong |
| 38 |  | Healius Limited | $0.29 B | Australia |
| 39 |  | Australian Clinical Labs | $0.26 B | Australia |
| 40 |  | CapsoVision | $0.25 B | USA |
| 41 |  | OpGen | $0.25 B | USA |
| 42 |  | Eurobio Scientific | $0.24 B | France |
| 43 |  | Quanterix | $0.21 B | USA |
| 44 |  | Burning Rock Biotech | $0.20 B | China |
| 45 |  | OraSure Technologies | $0.20 B | USA |
| 46 |  | Lucid Diagnostics | $0.17 B | USA |
| 47 |  | Monash IVF Group | $0.17 B | Australia |
| 48 |  | MDxHealth | $0.16 B | Belgium |
| 49 |  | Biodesix | $0.15 B | USA |
| 50 |  | EKF Diagnostics | $0.14 B | UK |
| 51 |  | Insight Molecular Diagnostics | $0.12 B | USA |
| 52 |  | Fonar Corporation | $0.11 B | USA |
| 53 |  | Cassava Sciences | $0.11 B | USA |
| 54 |  | 4basebio | $0.10 B | UK |
| 55 |  | Nightingale Health | $95.16 M | Finland |
| 56 |  | Sera Prognostics | $73.71 M | USA |
| 57 |  | BioPorto | $70.6 M | Denmark |
| 58 |  | Gentian Diagnostics ASA | $63.35 M | Norway |
| 59 |  | Precipio | $50.03 M | USA |
| 60 |  | Enzo Biochem | $36.58 M | USA |
| 61 |  | VolitionRx | $27.11 M | USA |
| 62 |  | Biosynex | $17.95 M | France |
| 63 |  | Psychemedics | $15.73 M | USA |
| 64 |  | Predilife | $14.01 M | France |
| 65 |  | Trinity Biotech | $13.03 M | Ireland |
| 66 |  | Bionano Genomics | $11.39 M | USA |
| 67 |  | Mainz Biomed | $10.56 M | Germany |
| 68 |  | Heart Test Laboratories | $8.19 M | USA |
| 69 |  | Biomerica | $6.46 M | USA |
| 70 |  | Co-Diagnostics | $4.83 M | USA |
| 71 |  | iSpecimen | $1.95 M | USA |
| 72 |  | SOBR Safe | $1.82 M | USA |
| 73 |  | Virax Biolabs | $1.39 M | UK |
| 74 |  | ProPhase Labs | $0.42 M | USA |
| 75 |  | T2 Biosystems | $0 M | USA |
Largest diagnostics and testing companies by Market Cap
