Sectors & IndustriesHealthcareDiagnostics & Research
Best Diagnostic & Research Stocks to Buy Now (2025)
Top diagnostic & research stocks in 2025 ranked by overall Zen Rating. "A" Rated stocks have returned an average of +32.52% per year, and are the best diagnostic & research stocks to buy now. Learn More.

Industry: Diagnostics & Research
B
Diagnostics & Research is Zen Rated B and is the 54th ranked industry out of 145 stock market industries
Learn how the Zen Ratings work
Ticker
Company
Zen Rating
Financials
Market Cap
ROE
ROA
ROCE
ROIC
D/E
Current Ratio
Gross Margin
Profit Margin
Operating Margin
SHC
SOTERA HEALTH CO
$4.49B5.80%0.80%8.77%7.10%6.482.4655.20%2.20%22.75%
IDXX
IDEXX LABORATORIES INC
$57.51B67.80%31.10%61.40%52.70%1.171.1861.70%24.70%31.45%
A
AGILENT TECHNOLOGIES INC
$41.61B20.00%10.10%14.62%21.30%0.922.2552.60%18.00%22.26%
CRL
CHARLES RIVER LABORATORIES INTERNATIONAL INC
$8.25B-2.50%-1.10%1.36%1.60%1.191.3732.30%-2.10%2.15%
LH
LABCORP HOLDINGS INC
$20.78B10.20%4.70%8.52%11.80%1.101.5528.40%6.20%9.68%
ILMN
ILLUMINA INC
$18.71B30.00%11.40%23.61%21.30%1.591.4366.20%16.40%23.20%
QGEN
QIAGEN NV
$9.59B10.70%6.40%11.21%17.50%0.661.6163.00%18.30%25.79%
PRPO
PRECIPIO INC
$33.44M-15.00%-10.20%-11.72%-76.20%0.530.9344.70%-8.50%-7.98%
MEDP
MEDPACE HOLDINGS INC
$16.87B91.90%23.70%109.05%-179.60%4.970.5731.10%18.40%21.69%
BNR
BURNING ROCK BIOTECH LTD
$131.37M-23.70%-15.80%-22.57%-66.90%0.463.2272.10%-26.10%-25.03%
TMO
THERMO FISHER SCIENTIFIC INC
$213.27B13.10%6.60%9.63%15.60%1.021.5041.30%15.00%19.40%
IQV
IQVIA HOLDINGS INC
$35.72B21.40%4.60%11.35%17.00%3.640.7033.80%8.10%14.43%
DGX
QUEST DIAGNOSTICS INC
$19.83B13.70%6.00%10.92%15.80%1.231.1333.30%8.90%14.15%
DHR
DANAHER CORP
$149.89B6.90%4.40%6.04%16.50%0.561.5259.50%14.40%18.32%
CDNA
CAREDX INC
$879.84M15.20%10.90%11.62%16.90%0.363.3066.90%15.20%11.97%
EXAS
EXACT SCIENCES CORP
$13.19B-40.40%-16.90%-17.98%-24.60%1.362.7267.40%-32.00%-31.01%
NEOG
NEOGEN CORP
$1.35B-43.80%-28.00%-31.07%-66.30%0.593.5846.40%-117.60%-113.23%
FLGT
FULGENT GENETICS INC
$697.27M-4.50%-4.20%-5.21%-6.40%0.086.0140.00%-16.80%-19.39%
RDNT
RADNET INC
$6.01B-1.60%-0.40%2.02%2.00%2.512.0011.60%-0.80%3.14%
WAT
WATERS CORP
$22.15B31.30%13.90%23.31%28.30%1.091.5359.00%20.90%27.11%
TWST
TWIST BIOSCIENCE CORP
$1.90B-18.40%-13.80%-15.21%-26.50%0.353.9049.20%-23.50%-23.36%
XGN
EXAGEN INC
$234.11M-138.20%-36.90%-30.92%-39.40%2.464.0859.90%-29.90%-24.27%
NEO
NEOGENOMICS INC
$1.35B-13.00%-7.60%-8.55%-15.20%0.643.9143.50%-16.00%-15.40%
MTD
METTLER TOLEDO INTERNATIONAL INC
$29.66B-459.70%25.20%47.70%33.80%-14.141.1259.90%21.50%28.29%
MYGN
MYRIAD GENETICS INC
$613.35M-73.90%-46.60%-72.14%-111.80%0.952.3370.40%-48.50%-50.71%
GH
GUARDANT HEALTH INC
$11.98BN/A-29.30%-37.91%-23.20%-4.603.5063.80%-44.20%-43.68%
ICLR
ICON PLC
$12.50B6.30%3.60%6.18%18.50%0.771.0628.10%7.40%10.13%
CSTL
CASTLE BIOSCIENCES INC
$979.86M-2.70%-2.30%-3.70%-5.70%0.216.4779.90%-3.60%-5.46%
CAI
CARIS LIFE SCIENCES INC
$8.21BN/AN/AN/AN/A1.119.24N/AN/AN/A
RVTY
REVVITY INC
$10.50B3.10%1.90%3.38%7.80%0.651.7555.30%8.40%13.10%
GRAL
GRAIL INC
$3.05B-18.00%-15.20%-22.75%-104.70%0.179.23-56.50%-329.90%-445.82%
PRE
PRENETICS GLOBAL LTD
$168.51M-30.10%-23.40%-32.33%-54.30%0.322.0241.60%-98.60%-113.43%
BDSX
BIODESIX INC
$68.42M-504.40%-43.90%-45.53%-31.60%-52.521.8479.80%-49.30%-40.07%
MDXH
MDXHEALTH SA
$23.36M-375.00%-22.00%-15.40%-12.40%-160.271.3163.50%-35.00%-15.47%
OPK
OPKO HEALTH INC
$1.03B-13.70%-8.70%-2.63%-5.60%0.533.7035.30%-28.10%-7.49%
NTRA
NATERA INC
$27.30B-18.30%-11.70%-13.23%-25.70%0.403.8761.80%-10.40%-9.87%
ACRS
ACLARIS THERAPEUTICS INC
$244.72M-92.40%-68.40%-73.74%-94.90%0.385.0614.90%-732.40%-732.42%
PSNL
PERSONALIS INC
$679.27M-47.60%-35.10%-40.19%-48.10%0.366.1031.40%-113.70%-113.58%
NOTV
INOTIV INC
$40.54M-51.40%-11.30%-7.85%-8.20%3.861.5121.90%-18.20%-10.63%
STIM
NEURONETICS INC
$187.65M-151.30%-31.60%-31.45%-27.20%4.172.2450.40%-34.30%-28.22%
DRIO
DARIOHEALTH CORP
$30.92M-88.70%-52.60%-44.65%-153.60%0.693.3055.00%-219.20%-162.13%
ISPC
ISPECIMEN INC
$3.73M-395.20%-121.70%-1,161.87%323.10%8.700.2332.60%-172.50%-169.69%
LAB
STANDARD BIOTOOLS INC
$435.47M-26.20%-19.80%-25.61%-40.00%0.315.1649.00%-78.10%-76.21%
BIAF
BIOAFFINITY TECHNOLOGIES INC
$2.06M-930.20%-200.10%-535.24%-892.70%-3.220.6529.90%-152.20%-150.71%
BNBX
APPLIED DNA SCIENCES INC
$4.47M-681.60%-522.00%-166.93%-1,287.60%0.412.7739.60%-2,047.40%-399.87%
FONR
FONAR CORP
$97.14M4.60%3.70%5.74%6.50%0.338.4541.10%7.50%10.99%
SERA
SERA PROGNOSTICS INC
$117.61M-45.90%-34.30%-37.08%-49.10%0.271.73-16.70%-30,306.50%-30,290.74%
NDRA
ENDRA LIFE SCIENCES INC
$3.92M-283.00%-186.40%-392.88%-398.60%0.913.21N/AN/AN/A
TRIB
TRINITY BIOTECH PLC
$17.78MN/A-33.00%-30.53%-19.20%-3.941.2834.80%-51.60%-35.31%
IMDX
INSIGHT MOLECULAR DIAGNOSTICS INC
$190.61M-2,898.10%-117.30%-144.31%-1,076.10%45.014.0454.50%-1,489.70%-1,487.01%
MYNZ
MAINZ BIOMED NV
$5.81MN/A-207.80%-508.89%-2,883.90%2.890.5267.50%-2,874.70%-2,942.01%
VNRX
VOLITIONRX LTD
$46.37MN/A-237.40%4,275.56%8,595.30%-1.310.35100.00%-1,767.90%-1,737.41%
XWEL
XWELL INC
$5.12MN/A-77.70%-148.43%-94.40%-3.541.2520.50%-67.60%-62.91%
CHEK
CHECK-CAP LTD
$7.90M-226.20%-198.10%1,809.55%-390.80%-1.260.15N/AN/AN/A
ADVB
ADVANCED BIOMED INC
$9.59M-139.90%-54.80%-89.95%398.80%0.872.09N/AN/AN/A
PRPH
PROPHASE LABS INC
$12.38M-230.20%-67.10%-154.17%-66.60%2.680.9660.40%-1,241.10%-757.69%

Diagnostic & Research Stocks FAQ

What are the best diagnostic & research stocks to buy right now in Nov 2025?

According to Zen Ratings, our proprietary rating system that evaluates 115 factors proven to drive growth in stocks and assigns each stock in our system an overall letter grade as well as 7 individual Component Grades for Value, Growth, Momentum, Sentiment, Safety, Financials, and proprietary AI algorithms, the 3 best diagnostic & research stocks to buy right now are:

1. Sotera Health Co (NASDAQ:SHC)


Sotera Health Co (NASDAQ:SHC) is the #1 top diagnostic & research stock out of 56 with a Zen Rating of A. Stocks with a rating of A have had an average return of +32.52% per year. Learn more.

The Component Grade breakdown for Sotera Health Co (NASDAQ:SHC) is: Value: C, Growth: A, Momentum: C, Sentiment: B, Safety: B, Financials: C, and AI: C.

Sotera Health Co (NASDAQ:SHC) has a Due Diligence Score of 23, which is -3 points lower than the diagnostic & research industry average of 26. Although this number is below the industry average, our proven quant model rates SHC as a "A".

SHC passed 8 out of 33 due diligence checks and has weak fundamentals. Sotera Health Co has seen its stock return 2.53% over the past year, underperforming other diagnostic & research stocks by -6 percentage points.

Sotera Health Co has an average 1 year price target of $17.67, an upside of 11.75% from Sotera Health Co's current stock price of $15.81.

Sotera Health Co stock has a consensus Buy recommendation according to Wall Street analysts. Of the 3 analysts covering Sotera Health Co, 33.33% have issued a Strong Buy rating, 0% have issued a Buy, 66.67% have issued a hold, while 0% have issued a Sell rating, and 0% have issued a Strong Sell.

2. Idexx Laboratories (NASDAQ:IDXX)


Idexx Laboratories (NASDAQ:IDXX) is the #2 top diagnostic & research stock out of 56 with a Zen Rating of A. Stocks with a rating of A have had an average return of +32.52% per year. Learn more.

The Component Grade breakdown for Idexx Laboratories (NASDAQ:IDXX) is: Value: C, Growth: C, Momentum: B, Sentiment: B, Safety: C, Financials: A, and AI: B.

Idexx Laboratories (NASDAQ:IDXX) has a Due Diligence Score of 50, which is 24 points higher than the diagnostic & research industry average of 26.

IDXX passed 17 out of 33 due diligence checks and has strong fundamentals. Idexx Laboratories has seen its stock return 73.14% over the past year, overperforming other diagnostic & research stocks by 64 percentage points.

Idexx Laboratories has an average 1 year price target of $737.14, an upside of 2.35% from Idexx Laboratories's current stock price of $720.21.

Idexx Laboratories stock has a consensus Strong Buy recommendation according to Wall Street analysts. Of the 7 analysts covering Idexx Laboratories, 57.14% have issued a Strong Buy rating, 14.29% have issued a Buy, 28.57% have issued a hold, while 0% have issued a Sell rating, and 0% have issued a Strong Sell.

3. Agilent Technologies (NYSE:A)


Agilent Technologies (NYSE:A) is the #3 top diagnostic & research stock out of 56 with a Zen Rating of B. Stocks with a rating of B have had an average return of +19.88% per year. Learn more.

The Component Grade breakdown for Agilent Technologies (NYSE:A) is: Value: B, Growth: C, Momentum: C, Sentiment: C, Safety: A, Financials: B, and AI: C.

Agilent Technologies (NYSE:A) has a Due Diligence Score of 39, which is 13 points higher than the diagnostic & research industry average of 26.

A passed 14 out of 38 due diligence checks and has average fundamentals. Agilent Technologies has seen its stock return 4.53% over the past year, underperforming other diagnostic & research stocks by -4 percentage points.

Agilent Technologies has an average 1 year price target of $152.90, an upside of 4.18% from Agilent Technologies's current stock price of $146.77.

Agilent Technologies stock has a consensus Strong Buy recommendation according to Wall Street analysts. Of the 10 analysts covering Agilent Technologies, 60% have issued a Strong Buy rating, 10% have issued a Buy, 30% have issued a hold, while 0% have issued a Sell rating, and 0% have issued a Strong Sell.

What are the diagnostic & research stocks with highest dividends?

Out of 6 diagnostic & research stocks that have issued dividends in the past year, the 3 diagnostic & research stocks with the highest dividend yields are:

1. Quest Diagnostics (NYSE:DGX)


Quest Diagnostics (NYSE:DGX) has an annual dividend yield of 1.35%, which is 1 percentage points higher than the diagnostic & research industry average of 0.66%. Quest Diagnostics's dividend payout is stable, having never dropped by more than 10% in the last 10 years. Quest Diagnostics's dividend has shown consistent growth over the last 10 years.

Quest Diagnostics's dividend payout ratio of 27.2% indicates that its dividend yield is sustainable for the long-term.

2. Labcorp Holdings (NYSE:LH)


Labcorp Holdings (NYSE:LH) has an annual dividend yield of 1.15%, which is the same as the diagnostic & research industry average of 0.66%. Labcorp Holdings's dividend payout is stable, having never dropped by more than 10% in the last 10 years. Labcorp Holdings's dividend has not shown consistent growth over the last 10 years.

Labcorp Holdings's dividend payout ratio of 28.1% indicates that its dividend yield is sustainable for the long-term.

3. Agilent Technologies (NYSE:A)


Agilent Technologies (NYSE:A) has an annual dividend yield of 0.51%, which is the same as the diagnostic & research industry average of 0.66%. Agilent Technologies's dividend payout is stable, having never dropped by more than 10% in the last 10 years. Agilent Technologies's dividend has shown consistent growth over the last 10 years.

Agilent Technologies's dividend payout ratio of 22.9% indicates that its dividend yield is sustainable for the long-term.

Why are diagnostic & research stocks up?

Diagnostic & research stocks were up 0.52% in the last day, and up 4.02% over the last week. Caredx was the among the top gainers in the diagnostics & research industry, gaining 13.84% yesterday.

CareDx shares are trading higher after the company reported better-than-expected Q3 financial results and raised its FY25 sales guidance above estimates.

What are the most undervalued diagnostic & research stocks?

Based on the Valuation rating, one of the 7 components of a stocks overall Zen Ratings grade, which evaluates factors including estimated earnings yield, earnings before interest and taxes/enterprise value, cash flow yield, free cash flow to price, and price-to-earnings growth (PEG ratio), the 3 most undervalued diagnostic & research stocks right now are:

1. Qiagen Nv (NYSE:QGEN)


Qiagen Nv (NYSE:QGEN) is the most undervalued diagnostic & research stock based on its Valuation Rating of B. Valuation is one of 7 Component Grades used to calculate the overall Zen Rating.

Qiagen Nv has a valuation score of 29, which is 15 points higher than the diagnostic & research industry average of 14. It passed 2 out of 7 valuation due diligence checks.

Qiagen Nv's stock has gained 0.23% in the past year. It has underperformed other stocks in the diagnostic & research industry by -9 percentage points.

2. Icon (NASDAQ:ICLR)


Icon (NASDAQ:ICLR) is the second most undervalued diagnostic & research stock based on its Valuation Rating of B. Valuation is one of 7 Component Grades used to calculate the overall Zen Rating.

Icon has a valuation score of 57, which is 43 points higher than the diagnostic & research industry average of 14. It passed 4 out of 7 valuation due diligence checks.

Icon's stock has dropped -27.7% in the past year. It has underperformed other stocks in the diagnostic & research industry by -37 percentage points.

3. Revvity (NYSE:RVTY)


Revvity (NYSE:RVTY) is the third most undervalued diagnostic & research stock based on its Valuation Rating of B. Valuation is one of 7 Component Grades used to calculate the overall Zen Rating.

Revvity has a valuation score of 14, which is 0 points higher than the diagnostic & research industry average of 14. It passed 1 out of 7 valuation due diligence checks.

Revvity's stock has dropped -26.51% in the past year. It has underperformed other stocks in the diagnostic & research industry by -35 percentage points.

Are diagnostic & research stocks a good buy now?

59.52% of diagnostic & research stocks rated by analysts are a strong buy right now. On average, analysts expect diagnostic & research stocks to rise by 3.81% over the next year.

4.44% of diagnostic & research stocks have a Zen Rating of A (Strong Buy), 20% of diagnostic & research stocks are rated B (Buy), 64.44% are rated C (Hold), 4.44% are rated D (Sell), and 6.67% are rated F (Strong Sell).

What is the average p/e ratio of the diagnostics & research industry?

The average P/E ratio of the diagnostics & research industry is 22.97x.
WallStreetZen does not provide financial advice and does not issue recommendations or offers to buy stock or sell any security.

Information is provided 'as-is' and solely for informational purposes and is not advice. WallStreetZen does not bear any responsibility for any losses or damage that may occur as a result of reliance on this data.