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Largest Diagnostics and Testing Companies by Market Cap (April 2025)

As of April 16, 2025, we have calculated the total market capitalization of 70 publicly traded Diagnostics and Testing companies, amounting to $357.78 billion.
$357.78 B
Diagnostics and Testing Market Cap -0.06%
$29259606.0
24h Trading Volume

According to our market capitalization data, Thermo Fisher Scientific (TMO) reached a market cap of $166.47 billion, securing the top spot among global Diagnostics and Testing companies. IDEXX Laboratories (IDXX) and Natera (NTRA) follow closely behind. The data was last updated on April 16, 2025.

Rank Name Market Cap Price MCap(30D) MCap(1Y) Country
1
thermo-fisher-scientific logo
Thermo Fisher Scientific
TMO
 		$166.47 B $441.00
-15.4%
-19.2%
United States
2
idexx-laboratories logo
IDEXX Laboratories
IDXX
 		$32.74 B $404.02
0.00%
-7.0%
United States
3
natera logo
Natera
NTRA
 		$20.51 B $151.74
0.00%
90.6%
United States
4
quest-diagnostics logo
Quest Diagnostics
DGX
 		$18.56 B $167.23
0.00%
32.1%
United States
5
sgs logo
SGS
SGSN.SW
 		$17.47 B $92.46
0.00%
20.0%
Switzerland
6
biomerieux logo
bioMérieux
BIM.PA
 		$15.72 B $133.27
0.00%
8.6%
France
7
revvity logo
Revvity
RVTY
 		$11.48 B $95.54
0.00%
14.5%
United States
8
eurofins-scientific logo
Eurofins Scientific
ERF.PA
 		$10.32 B $57.17
0.00%
-14.8%
Luxembourg
9
exact-sciences logo
Exact Sciences
EXAS
 		$8.11 B $43.67
0.00%
-17.1%
United States
10
sonic-healthcare logo
Sonic Healthcare
SHL.AX
 		$7.71 B $16.05
0.00%
11.6%
Australia
11
lantheus logo
Lantheus Holdings
LNTH
 		$7.05 B $102.78
0.00%
41.4%
United States
12
diasorin logo
DiaSorin
DIA.MI
 		$5.85 B $108.47
0.00%
11.5%
Italy
13
bruker logo
Bruker
BRKR
 		$5.82 B $38.43
0.00%
-38.2%
United States
14
radnet logo
RadNet
RDNT
 		$3.93 B $53.08
0.00%
30.4%
United States
15
irhythm logo
iRhythm (ZIO)
IRTC
 		$3.16 B $100.75
0.00%
-1.8%
United States
16
sotera-health logo
Sotera Health
SHC
 		$2.98 B $10.50
0.00%
29.0%
United States
17
dr-lal-pathlabs logo
Dr Lal PathLabs
LALPATHLAB.NS
 		$2.69 B $32.27
0.00%
25.6%
India
18
veracyte logo
Veracyte
VCYT
 		$2.48 B $31.76
0.00%
122.3%
United States
19
tecan logo
Tecan
TECN.SW
 		$2.27 B $176.97
0.00%
-35.2%
Switzerland
20
quidel logo
QuidelOrtho
QDEL
 		$1.79 B $26.56
0.00%
10.8%
United States
21
neogenomics logo
NeoGenomics
NEO
 		$1.22 B $9.50
0.00%
-1.2%
United States
22
bml-inc logo
BML, Inc.
4694.T
 		$0.78 B $19.96
0.00%
-5.5%
Japan
23
sd-biosensor logo
SD BioSensor
137310.KS
 		$0.74 B $6.20
0.00%
8.1%
South Korea
24
myriad-genetics logo
Myriad Genetics
MYGN
 		$0.74 B $8.01
0.00%
-33.2%
United States
25
fulgent-genetics logo
Fulgent Genetics
FLGT
 		$0.59 B $19.08
0.00%
-19.6%
United States
26
eiken-chemical logo
Eiken Chemical
4549.T
 		$0.51 B $15.29
0.00%
11.4%
Japan
27
dasa logo
Diagnosticos da America (DASA)
DASA3.SA
 		$0.38 B $0.31
0.00%
-55.5%
Brazil
28
semler-scientific logo
Semler Scientific
SMLR
 		$0.33 B $34.40
0.00%
93.3%
United States
29
personalis logo
Personalis
PSNL
 		$0.29 B $3.26
0.00%
317.5%
United States
30
eurobio-scientific logo
Eurobio Scientific
ALERS.PA
 		$0.27 B $27.42
0.00%
65.8%
France
31
orasure-technologies logo
OraSure Technologies
OSUR
 		$0.23 B $2.93
0.00%
-26.5%
United States
32
quanterix logo
Quanterix
QTRX
 		$0.21 B $5.36
0.00%
-50.3%
United States
33
dbv-technologies-sa logo
DBV Technologies S.A.
DBV.PA
 		$0.20 B $1.47
0.00%
-35.1%
France
34
avacta-group logo
Avacta Group
AVCT.L
 		$0.19 B $50.88
0.00%
1.7%
United Kingdom
35
sera-prognostics logo
Sera Prognostics
SERA
 		$0.12 B $3.30
0.00%
-54.0%
United States
36
lucid-diagnostics logo
Lucid Diagnostics
LUCD
 		$0.12 B $1.13
0.00%
62.1%
United States
37
aiforia-technologies-oyj logo
Aiforia Technologies Oyj
AIFORIA.HE
 		$0.12 B $4.06
0.00%
-3.2%
Finland
38
oncocyte logo
OncoCyte
OCX
 		$84.08 M $2.94
0.00%
-20.1%
United States
39
biodesix logo
Biodesix
BDSX
 		$83.50 M $0.57
0.00%
-21.5%
United States
40
mdxhealth logo
MDxHealth
MDXH
 		$79.20 M $1.60
0.00%
-18.7%
Belgium
41
fonar logo
Fonar Corporation
FONR
 		$76.95 M $12.14
0.00%
-3.1%
United States
42
cassava-sciences logo
Cassava Sciences
SAVA
 		$69.08 M $1.43
0.00%
-89.1%
United States
43
modulight-oyj logo
Modulight Oyj
MODU.HE
 		$60.03 M $1.41
0.00%
9.7%
Finland
44
volitionrx logo
VolitionRx
VNRX
 		$47.89 M $0.49
0.00%
-1.4%
United States
45
prenetics logo
Prenetics
PRE
 		$46.55 M $3.81
0.00%
71.7%
Hong Kong
46
opgen logo
OpGen
OPGN
 		$37.76 M $3.75
0.00%
-80.0%
United States
47
burning-rock-biotech logo
Burning Rock Biotech
BNR
 		$30.16 M $2.94
0.00%
-16.5%
China
48
biosynex-sa logo
Biosynex SA
ALBIO.PA
 		$29.58 M $1.58
0.00%
-77.1%
France
49
diagnostic-medical-systems logo
Diagnostic Medical Systems S.A.
ALDMS.PA
 		$24.45 M $1.22
0.00%
-11.0%
France
50
ikonisys-sa logo
Ikonisys S.A.
ALIKO.PA
 		$22.29 M $1.62
0.00%
2.1%
France
51
enzo-biochem logo
Enzo Biochem
ENZ
 		$17.61 M $0.34
0.00%
-48.5%
United States
52
aeterna-zentaris logo
Aeterna Zentaris
AEZS
 		$17.51 M $3.73
0.00%
-50.3%
United States
53
predilife-sa logo
Predilife SA
ALPRE.PA
 		$15.78 M $4.26
0.00%
-10.2%
France
54
psychemedics logo
Psychemedics
PMD
 		$15.74 M $2.28
0.00%
-10.4%
United States
55
accelerate-diagnostics logo
Accelerate Diagnostics
AXDX
 		$13.52 M $0.54
0.00%
66.2%
United States
56
bionano-genomics logo
Bionano Genomics
BNGO
 		$13.44 M $4.47
0.00%
-89.4%
United States
57
prophase-labs logo
ProPhase Labs
PRPH
 		$12.06 M $0.29
0.00%
-95.8%
United States
58
trinity-biotech logo
Trinity Biotech
TRIB
 		$11.32 M $0.59
0.00%
-58.7%
Ireland
59
co-diagnostics logo
Co-Diagnostics
CODX
 		$11.18 M $0.35
0.00%
-40.7%
United States
60
biomerica logo
Biomerica
BMRA
 		$10.45 M $0.57
0.00%
0.27%
United States
61
precipio logo
Precipio
PRPO
 		$8.30 M $5.60
0.00%
2.8%
United States
62
mainz-biomed logo
Mainz Biomed
MYNZ
 		$7.42 M $3.34
0.00%
548.8%
Germany
63
cue-health logo
Cue Health
HLTH
 		$6.90 M $0.00
0.00%
-99.9%
United States
64
virax-biolabs logo
Virax Biolabs
VRAX
 		$4.60 M $1.06
0.00%
240.1%
United Kingdom
65
genetic-technologies logo
Genetic Technologies
GENE
 		$3.71 M $0.76
0.00%
-75.8%
Australia
66
heart-test-laboratories logo
Heart Test Laboratories
HSCS
 		$3.48 M $3.22
0.00%
-64.5%
United States
67
dermtech logo
DermTech
DMTK
 		$3.29 M $0.09
0.00%
-93.0%
United States
68
t2-biosystems logo
T2 Biosystems
TTOO
 		$3.08 M $0.11
0.00%
-93.4%
United States
69
ispecimen logo
iSpecimen
ISPC
 		$1.17 M $1.22
0.00%
-49.8%
United States
70
sobr-safe logo
SOBR Safe
SOBR
 		$0.39 M $4.21
0.00%
-96.8%
United States
This list ranks the largest Diagnostics and Testing companies in the world by market capitalization, based on data from publicly traded Diagnostics and Testing companies. The market cap figures and rankings on this list are updated daily.
What is Market Capitalization?

Market capitalization, or market cap, is a key measure of a company's market value. It is calculated by multiplying the current stock price by the total number of outstanding shares. Market cap is often used by investors to assess a company's size, stability, and market presence. For any inquiries or to report an issue, please email us at [email protected].

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