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10 Best Medical Labs Stocks to Buy in 2026

Data-driven analysis of 15 medical labs stocks ranked by Tradestie Score

Updated
15 stocks analyzed
5 min read
15
Stocks Analyzed
48.5
Avg. Score
$109B
Total Market Cap
59.7
Top Score
Sep 04, 2026
Last Updated
The Medical Labs sector is attracting investor focus due to surging demand for precision oncology diagnostics and non-invasive testing amid an aging population and rising cancer incidence rates. Top-ranked firms by Tradestie Score demonstrate strength in genomic and molecular platforms, with market caps spanning $0.7B to $23.2B reflecting a blend of high-growth innovators and scaled operators. This positions the sector for capital inflows as healthcare shifts toward early detection and personalized medicine.

Top 3 Picks

2
EXAS
Exact Sciences Corp
59.1
Tradestie
Score
View Analysis
3
FLGT
Fulgent Genetics, Inc. Common Stock
54.6
Tradestie
Score
View Analysis

2026 Outlook

Sector trends through 2026 center on expanding adoption of liquid biopsies and AI-enhanced pathology, supported by improving reimbursement for multi-cancer early detection and genetic screening. Growth is projected in the mid-teens as companies scale international operations and integrate new assays in oncology and women's health. Headwinds from regulatory scrutiny and payer negotiations may moderate margins but are unlikely to derail overall expansion.

Complete Rankings

Rank Stock Score Price Market Cap
1
Veracyte, Inc.
59.7 $42.53 $2.8B
2
Exact Sciences Corp
59.1 $104.91 $10.7B
3
Fulgent Genetics, Inc. Common Stock
54.6 $19.73 $719M
4
DGX
Quest Diagnostics Inc.
52.6 $237.14 $20.4B
5
Fortrea Holdings Inc. Common Stock
52.5 $17.70 $864M
6
RadNet, Inc. Common Stock
51.5 $73.71 $6.0B
7
LH
Labcorp Holdings Inc.
50.9 $326.89 $23.2B
8
GRAIL, Inc. Common Stock
50.3 $80.34 $2.2B
9
GH
Guardant Health, Inc. Common Stock
50.1 $161.41 $7.8B
10
Natera, Inc. Common Stock
49.0 $328.18 $22.2B
11
Celcuity Inc. Common Stock
45.6 $95.70 $1.9B
12
Personalis, Inc. Common Stock
41.1 $17.20 $613M
13
Castle Biosciences, Inc. Common Stock
37.9 $32.91 $668M
14
CAI
Caris Life Sciences, Inc. Common Stock
37.6 $25.07 $8.5B
15
CareDx, Inc.
35.7 $50.88 $798M

In-Depth Analysis: Top Medical Labs Stocks

1

VCYT

Veracyte, Inc.
59.7
Score
$42.53
$2.8B
Company Overview

Veracyte Inc is a genomic diagnostics company. The group empowers clinicians with the insights necessary to guide and assure patients at pivotal moments in the race to diagnose and treat cancer. It offers tests for prostate cancer (Decipher Prostate), thyroid cancer (Afirma), breast cancer (Prosigna), and bladder cancer (Decipher Bladder). In addition, its Percepta Nasal Swab test is being run …

Why This Matters

Veracyte, Inc. matters in the Medical Labs sector through its genomic diagnostic tests including Decipher Prostate, Afirma for thyroid cancer, and Prosigna for breast cancer, which deliver molecular insights to guide clinician decisions at key cancer diagnosis and treatment points.

Profitability Analysis

Veracyte reports a 20.4% profit margin and 15.5% revenue growth alongside an 8.8% ROE, indicating solid margins and top-line expansion in genomic testing offset by moderate equity returns.

20.4%
Profit Margin
8.8%
ROE
15.5%
Revenue Growth
31.9
P/E Ratio
Why It's a Buy in 2026

Investors should consider VCYT in 2026 as its 15.5% revenue growth and 20.4% profit margin support scalable adoption of oncology genomic tests amid rising cancer caseloads. A P/E of 31.9 embeds expectations for continued diagnostic volume gains in prostate, thyroid, and breast segments. The Tradestie Score of 59.7/100 reflects a balanced risk-reward profile for sector exposure.

2

EXAS

Exact Sciences Corp
59.1
Score
$104.91
$10.7B
Company Overview

Exact Sciences, headquartered in Madison, Wisconsin, provides cancer screening and diagnostic test products in the United States and internationally. Exact's Cologuard screening test is a noninvasive stool-based DNA test for colorectal cancer. The company also competes in the precision oncology market with Oncotype DX, a suite of tissue-based genomic tests for estimating recurrence risk and likelihood of benefit from chemotherapy …

Why This Matters

Exact Sciences matters in the Medical Labs sector through its Cologuard noninvasive stool-based DNA test for colorectal cancer screening and its competing position in precision oncology, serving critical early-detection needs across U.S. and international markets.

Profitability Analysis

Exact Sciences reports a -6.4% profit margin and -8.7% ROE, reflecting ongoing net losses, yet its 23.1% revenue growth demonstrates expanding adoption of core diagnostic products amid continued investment.

-6.4%
Profit Margin
-8.7%
ROE
23.1%
Revenue Growth
Why It's a Buy in 2026

Despite current losses, Exact Sciences' 23.1% revenue growth positions the company for margin expansion by 2026 as Cologuard volumes scale and precision oncology offerings mature. International market penetration and rising colorectal screening demand could lift profitability above the -6.4% margin level. At a Tradestie Score of 59.1/100, the stock offers growth investors exposure to a leading cancer diagnostics platform with improving financial leverage.

3

FLGT

Fulgent Genetics, Inc. Common Stock
54.6
Score
$19.73
$719M
Company Overview

Fulgent Genetics Inc is a technology company that focuses on genetic testing to provide physicians with clinically actionable diagnostic information. The company is engaged in laboratory services business and a therapeutic development business. The laboratory services business which generates key revenue includes, technical laboratory services and professional interpretation of laboratory results by licensed physicians. Its therapeutic development business is focused …

Why This Matters

Fulgent Genetics delivers genetic testing services that supply physicians with clinically actionable diagnostic data, positioning it as a specialized player in the Medical Labs sector focused on precision medicine and laboratory services.

Profitability Analysis

Fulgent Genetics reports a -26.1% profit margin and -8.1% ROE, reflecting ongoing losses and weak returns on equity, while its 4.4% revenue growth shows limited top-line momentum in the laboratory services segment.

-26.1%
Profit Margin
-8.1%
ROE
4.4%
Revenue Growth
Why It's a Buy in 2026

Investors may consider FLGT in 2026 as its therapeutic development business and core lab services expand amid rising demand for genetic diagnostics, potentially lifting margins above the current -26.1% level. The Tradestie Score of 54.6/100 provides a moderate baseline for operational recovery, with revenue growth at 4.4% offering a foundation for scaling in a growing precision medicine market.

4

DGX

Quest Diagnostics Inc.
52.6
Score
$237.14
$20.4B
Company Overview

Quest Diagnostics is a leading independent provider of diagnostic testing, information, and services in the US. The company generates over 95% of its revenue through clinical testing, anatomic pathology, esoteric testing, and substance abuse testing with specimens collected at its national network of roughly 2,300 patient service centers, as well as multiple doctors offices and hospitals. The firm also runs …

Why This Matters

Quest Diagnostics leads the Medical Labs sector as the largest independent US provider of diagnostic testing, generating over 95% of revenue from clinical testing, anatomic pathology, esoteric testing, and substance abuse testing through its national network.

Profitability Analysis

Quest reports a 9.2% profit margin and 14.6% ROE with 10.2% revenue growth, reflecting efficient operations and solid financial health at a P/E of 25.4.

9.2%
Profit Margin
14.6%
ROE
10.2%
Revenue Growth
25.4
P/E Ratio
Why It's a Buy in 2026

DGX offers investors exposure to essential diagnostic demand projected to expand through 2026, supported by 10.2% revenue growth and 14.6% ROE that demonstrate scalable testing volume and capital efficiency. Its dominant network position in clinical and esoteric testing positions the company to capture incremental market share in a sector with recurring revenue streams. At a P/E of 25.4, the valuation provides a reasonable entry point relative to earnings growth for a stable healthcare provider.

5

FTRE

Fortrea Holdings Inc. Common Stock
52.5
Score
$17.70
$864M
Company Overview

Fortrea is a global, late-stage contract research organization that provides comprehensive phase 1 through phase 4 clinical trial management, clinical pharmacology, and patient access solutions. The company works with emerging and large biopharma, medical device, and diagnostic companies to run their clinical trials as a functional-service provider, full-service provider, and offers hybrid trials. In 2023, Fortrea was formed as an …

Why This Matters

Fortrea Holdings Inc. serves as a key global contract research organization in the Medical Labs sector, delivering phase 1-4 clinical trial management and pharmacology solutions to biopharma, medical device, and diagnostic firms.

Profitability Analysis

Fortrea reports a -3.2% profit margin and -15.3% ROE alongside -4.5% revenue growth, reflecting persistent unprofitability and contraction in top-line performance.

-3.2%
Profit Margin
-15.3%
ROE
-4.5%
Revenue Growth
Why It's a Buy in 2026

Fortrea's established platform in late-stage trials positions it to capture rising biopharma outsourcing demand by 2026. Operational efficiencies could reverse the current -3.2% margin and -4.5% revenue decline, supporting earnings recovery. At a Tradestie Score of 52.5, the stock offers potential upside for investors targeting sector consolidation and clinical services expansion.

6

RDNT

RadNet, Inc. Common Stock
51.5
Score
$73.71
$6.0B
Company Overview

RadNet Inc is a national provider of diagnostic imaging services that operates in two business segments: Imaging Center segment and Digital Health segment. The Imaging Center segment provides physicians with imaging capabilities to facilitate the diagnosis and treatment of diseases and disorders. Services include magnetic resonance imaging (MRI), computed tomography (CT), positron emission tomography (PET), nuclear medicine, mammography, ultrasound, diagnostic …

Why This Matters

RadNet, Inc. operates as a national provider of diagnostic imaging services through its Imaging Center and Digital Health segments, enabling physicians to diagnose and treat diseases across the Medical Labs sector.

Profitability Analysis

RadNet reports a -0.9% profit margin and 1.5% ROE, indicating thin current profitability and low equity returns, while its 25.0% revenue growth reflects operational expansion that may support future margin recovery.

-0.9%
Profit Margin
1.5%
ROE
25.0%
Revenue Growth
Why It's a Buy in 2026

RadNet's 25.0% revenue growth positions the company for scaled operations in diagnostic imaging and digital health by 2026. Rising demand for imaging services amid an aging population could drive margin expansion from current levels. National footprint and segment diversification offer a pathway to improved ROE and sustained top-line momentum.

7

LH

Labcorp Holdings Inc.
50.9
Score
$326.89
$23.2B
Company Overview

Labcorp is one of the nation's two largest independent clinical laboratories, with roughly 20% of the independent lab market. The company operates approximately 2,000 patient-service centers, offering a broad range of 5,000 clinical lab tests, ranging from routine blood and urine screens to complex oncology and genomic testing.

Why This Matters

Labcorp holds roughly 20% of the U.S. independent clinical lab market as one of the two largest players, operating 2,000 patient service centers and delivering 5,000 tests spanning routine diagnostics to complex assays.

Profitability Analysis

The company reports a 7.0% profit margin and 11.7% ROE alongside 5.8% revenue growth, indicating moderate profitability and returns, while the 27.4 P/E ratio and 50.9/100 Tradestie Score reflect a valuation premium relative to current earnings growth.

7.0%
Profit Margin
11.7%
ROE
5.8%
Revenue Growth
27.4
P/E Ratio
Why It's a Buy in 2026

Sustained 5.8% revenue expansion and 20% market share position Labcorp to capture rising demand for diagnostic testing through 2026. A 11.7% ROE supports capital allocation for network expansion across 2,000 centers, potentially lifting margins above 7.0%. At a 27.4 P/E, the stock offers entry for investors seeking exposure to scaled lab infrastructure amid healthcare utilization trends.

8

GRAL

GRAIL, Inc. Common Stock
50.3
Score
$80.34
$2.2B
Company Overview

GRAIL Inc is a healthcare company focused on developing technologies for early cancer detection. The company has developed a multi-cancer early detection blood test that has the ability to detect all types of cancer, across all stages. It operates in one reportable operating segment which provides multi-cancer early detection testing and service.

Why This Matters

GRAIL Inc matters in the Medical Labs sector as a developer of multi-cancer early detection (MCED) blood tests capable of identifying all cancer types across stages, operating in a single segment focused on advancing early intervention diagnostics.

Profitability Analysis

GRAIL reports a -236.9% profit margin and -16.1% ROE, reflecting heavy investment in R&D and commercialization that sustains deep losses despite 25.7% revenue growth.

-236.9%
Profit Margin
-16.1%
ROE
25.7%
Revenue Growth
Why It's a Buy in 2026

Investors should consider GRAIL for 2026 given its 25.7% revenue expansion and potential for MCED test adoption to accelerate with regulatory milestones, which could narrow losses from the current -236.9% margin. The Tradestie Score of 50.3/100 indicates baseline viability that may improve if scale efficiencies lift ROE above -16.1% and position the company as a leader in high-growth cancer screening.

9

GH

Guardant Health, Inc. Common Stock
50.1
Score
$161.41
$7.8B
Company Overview

Guardant Health, Inc, based in Redwood City, California, is a leader in liquid-based cancer tests for clinical and research use. The company offers Guardant360 LDT, a liquid biopsy test for treatment selection in advanced stage cancer, Guardant360 CDx, an FDA-approved companion diagnostic for several targeted therapies, and Guardant OMNI, a broader gene panel for immuno-oncology research. In 2021, Guardant launched …

Why This Matters

Guardant Health leads the Medical Labs sector through its liquid biopsy platform, with Guardant360 LDT and FDA-approved Guardant360 CDx enabling non-invasive treatment selection for advanced-stage cancers.

Profitability Analysis

Guardant Health reports a -38.3% profit margin and -4584.5% ROE, reflecting deep operating losses and negative equity returns, even as revenue grew 44.3%.

-38.3%
Profit Margin
-4584.5%
ROE
44.3%
Revenue Growth
Why It's a Buy in 2026

Revenue expansion at 44.3% positions Guardant to scale its liquid biopsy offerings into larger oncology markets by 2026. FDA clearances and clinical adoption could drive operating leverage that narrows the current -38.3% margin. A Tradestie Score of 50.1/100 leaves room for re-rating if growth sustains and cash burn moderates.

10

NTRA

Natera, Inc. Common Stock
49.0
Score
$328.18
$22.2B
Company Overview

Natera Inc is a diagnostic and research company with proprietary molecular and bioinformatics technology. The company's key product offerings include its Panorama Non-Invasive Prenatal Test (NIPT) which screens for chromosomal abnormalities of a fetus as well as in twin pregnancies, typically with a blood draw from the mother, Horizon Carrier Screening (HCS) to determine carrier status for a large number …

Why This Matters

Natera leads in the Medical Labs sector through its Panorama NIPT, which employs proprietary molecular and bioinformatics technology to screen for fetal chromosomal abnormalities in singleton and twin pregnancies, capturing a growing share of the non-invasive prenatal diagnostics market.

Profitability Analysis

Natera reports a -7.1% profit margin and -12.5% ROE, reflecting current unprofitability driven by R&D and commercialization spend, yet this is offset by 37.7% revenue growth that signals expanding test volumes and market penetration.

-7.1%
Profit Margin
-12.5%
ROE
37.7%
Revenue Growth
Why It's a Buy in 2026

Natera's 37.7% revenue growth supports a path to margin expansion and positive ROE by 2026 as fixed costs dilute across higher volumes in prenatal and oncology testing. Scaling of its bioinformatics platform could drive operating leverage, improving the -7.1% profit margin toward breakeven. At a Tradestie Score of 49.0/100, the stock offers entry for investors targeting diagnostic sector consolidation and test-menu expansion.

Methodology

Stocks are ranked using the Tradestie Score, a proprietary 0-100 rating that combines fundamental quality (profitability, balance sheet strength), growth metrics (revenue and earnings growth), valuation (P/E, PEG ratio), and momentum factors. Scores are updated daily based on the latest market data. Learn more about our methodology.