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 56th ranked industry out of 145 stock market industries
Learn how the Zen Ratings work
Ticker
Company
Market Cap
Price
Price Target
Upside/Downside
Top Analysts Upside/Downside
Consensus
Top Analysts Consensus
Analysts
Top Analysts
Fore. Revenue Growth
Fore. Earnings Growth
Forecast ROE
Forecast ROA
ILMN
ILLUMINA INC
$11.28B$71.20$131.0884.11%Buy122.33%N/A39.61%14.91%
QGEN
QIAGEN NV
$9.05B$40.71$48.0017.91%Buy45.30%92.36%18.01%11.29%
MTD
METTLER TOLEDO INTERNATIONAL INC
$21.02B$1,004.96$1.36k35.71%Buy53.62%8.66%-910.41%35.65%
LH
LABCORP HOLDINGS INC
$18.17B$217.12$274.6426.49%Strong Buy115.73%29.55%22.98%10.07%
TMO
THERMO FISHER SCIENTIFIC INC
$161.28B$427.50$633.8548.27%Buy134.68%25.05%22.48%11.45%
CDNA
CAREDX INC
$976.60M$17.62$30.0070.26%Buy511.14%N/A-1.90%-1.47%
WAT
WATERS CORP
$19.07B$321.01$396.0023.36%Buy125.46%15.21%52.28%20.99%
A
AGILENT TECHNOLOGIES INC
$29.22B$102.48$144.5741.07%Buy74.56%17.77%31.32%15.84%
RVTY
REVVITY INC
$11.04B$91.82$133.3845.26%Strong Buy84.83%58.17%9.69%5.99%
CRL
CHARLES RIVER LABORATORIES INTERNATIONAL INC
$5.42B$106.05$188.6777.90%Hold12-0.27%614.29%16.62%7.64%
DHR
DANAHER CORP
$133.53B$186.83$275.0047.19%Strong Buy153.96%27.00%13.80%8.82%
IQV
IQVIA HOLDINGS INC
$25.34B$143.91$237.0064.69%Strong Buy164.93%21.77%43.86%9.89%
OPK
OPKO HEALTH INC
$953.60M$1.42$2.6384.86%Buy24.02%N/A0.98%0.61%
IDXX
IDEXX LABORATORIES INC
$33.47B$411.49$505.8322.93%Buy67.20%12.16%87.53%42.40%
MYGN
MYRIAD GENETICS INC
$697.60M$7.64$18.35140.18%Buy105.05%N/A-0.52%-0.36%
DGX
QUEST DIAGNOSTICS INC
$18.18B$163.80$181.5410.83%Buy135.49%13.19%20.43%8.57%
TWST
TWIST BIOSCIENCE CORP
$2.20B$36.80$53.1744.48%Buy617.44%N/A-13.21%-9.90%
CSTL
CASTLE BIOSCIENCES INC
$613.34M$21.51$39.6084.10%Strong Buy5-2.78%N/A-8.26%-7.09%
MEDP
MEDPACE HOLDINGS INC
$9.03B$296.28$341.6015.30%Hold56.79%4.62%59.62%23.43%
NTRA
NATERA INC
$20.02B$148.08$192.1729.77%Strong Buy1215.55%N/A3.22%2.32%
FONR
FONAR CORP
$80.68M$12.25N/AN/AN/AN/AN/AN/AN/AN/A
FLGT
FULGENT GENETICS INC
$550.61M$17.86$16.00-10.41%Hold110.03%N/A-4.98%-4.62%
SHC
SOTERA HEALTH CO
$2.97B$10.48$16.3355.85%Strong Buy34.50%121.74%N/AN/A
MYNZ
MAINZ BIOMED NV
$7.47M$3.22$14.00334.78%Strong Buy1N/AN/A-352.90%-161.19%
XGN
EXAGEN INC
$80.36M$4.49$7.5067.04%Strong Buy215.38%N/A-43.15%-9.21%
NEO
NEOGENOMICS INC
$1.23B$9.55$17.8086.39%Strong Buy511.91%N/A2.18%1.20%
ICLR
ICON PLC
$11.25B$139.32$213.1052.96%Buy103.82%20.61%15.66%8.84%
BDSX
BIODESIX INC
$80.14M$0.55N/AN/AN/AN/A30.04%N/A-97.90%-21.02%
ADVB
ADVANCED BIOMED INC
$39.17M$1.81N/AN/AN/AN/AN/AN/AN/AN/A
STIM
NEURONETICS INC
$247.46M$3.76$7.5099.47%Strong Buy299.83%N/A-66.51%-13.08%
OCX
ONCOCYTE CORP
$81.22M$2.84$4.4255.53%Buy3N/AN/AN/A-69.30%
GRAL
GRAIL INC
$915.17M$27.00$20.00-25.93%Hold113.37%N/A-11.21%-9.41%
DRIO
DARIOHEALTH CORP
$31.18M$0.75$2.00166.67%Strong Buy118.66%N/AN/AN/A
GH
GUARDANT HEALTH INC
$5.55B$44.97$53.0718.01%Strong Buy1419.89%N/AN/A-17.25%
EXAS
EXACT SCIENCES CORP
$7.72B$41.58$68.9565.82%Strong Buy1912.16%N/A11.10%4.50%
APDN
APPLIED DNA SCIENCES INC
$895.16k$0.81N/AN/AN/AN/A-9.46%N/AN/AN/A
LAB
STANDARD BIOTOOLS INC
$439.62M$1.16$2.50115.52%Strong Buy1-3.00%N/A-13.26%-10.21%
PSNL
PERSONALIS INC
$281.56M$3.19$8.00150.78%Strong Buy422.87%N/A-4.35%-3.27%
NOTV
INOTIV INC
$55.55M$1.64N/AN/AN/AN/A5.50%N/A-2.59%-0.57%
RDNT
RADNET INC
$3.69B$49.78$69.7540.12%Strong Buy45.34%866.75%5.63%1.55%
SERA
SERA PROGNOSTICS INC
$128.06M$3.40N/AN/AN/AN/A1,133.77%N/AN/AN/A
ACRS
ACLARIS THERAPEUTICS INC
$123.03M$1.14$11.67923.42%Strong Buy613.26%N/A-59.66%-42.12%
ISPC
ISPECIMEN INC
$3.08M$1.24N/AN/AN/AN/AN/AN/AN/AN/A
NEOG
NEOGEN CORP
$952.80M$4.39$9.75122.10%Buy20.33%N/A4.00%2.63%
BIAF
BIOAFFINITY TECHNOLOGIES INC
$9.40M$0.52N/AN/AN/AN/AN/AN/AN/AN/A
STRR
STAR EQUITY HOLDINGS INC
$5.87M$1.83N/AN/AN/AN/AN/AN/A-3.19%-2.08%
BNR
BURNING ROCK BIOTECH LTD
$28.90M$2.80N/AN/AN/AN/AN/AN/AN/AN/A
PMAX
POWELL MAX LTD
$4.79M$0.33N/AN/AN/AN/AN/AN/AN/AN/A
ENZ
ENZO BIOCHEM INC
$16.45M$0.31N/AN/AN/AN/AN/AN/AN/AN/A
XWEL
XWELL INC
$4.13M$0.79N/AN/AN/AN/AN/AN/AN/AN/A
NDRA
ENDRA LIFE SCIENCES INC
$2.06M$3.67N/AN/AN/AN/AN/AN/A-337.72%-194.21%
PRPH
PROPHASE LABS INC
$12.06M$0.29N/AN/AN/AN/A109.24%N/AN/AN/A
MMA
MIXED MARTIAL ARTS GROUP LTD
$9.56M$0.93N/AN/AN/AN/AN/AN/AN/AN/A
PRPO
PRECIPIO INC
$8.85M$5.88N/AN/AN/AN/AN/AN/AN/AN/A
MDXH
MDXHEALTH SA
$7.92M$1.60$6.00275.00%Strong Buy120.55%N/A-71.14%-6.71%
CHEK
CHECK-CAP LTD
$3.94M$0.67N/AN/AN/AN/AN/AN/AN/AN/A
PRE
PRENETICS GLOBAL LTD
$49.01M$4.01$9.00124.44%Strong Buy1N/AN/A-14.50%-10.99%
VNRX
VOLITIONRX LTD
$47.31M$0.49$3.75665.31%Strong Buy2N/AN/AN/AN/A
TRIB
TRINITY BIOTECH PLC
$4.22M$0.55N/AN/AN/AN/A15.85%N/AN/A-77.09%

Diagnostic & Research Stocks FAQ

What are the best diagnostic & research stocks to buy right now in Apr 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. Illumina (NASDAQ:ILMN)


Illumina (NASDAQ:ILMN) is the #1 top diagnostic & research stock out of 59 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 Illumina (NASDAQ:ILMN) is: Value: B, Growth: A, Momentum: F, Sentiment: C, Safety: B, Financials: B, and AI: A.

Illumina (NASDAQ:ILMN) has a Due Diligence Score of 16, which is -11 points lower than the diagnostic & research industry average of 27. Although this number is below the industry average, our proven quant model rates ILMN as a "A".

ILMN passed 5 out of 33 due diligence checks and has weak fundamentals. Illumina has seen its stock lose -39.81% over the past year, underperforming other diagnostic & research stocks by -12 percentage points.

Illumina has an average 1 year price target of $131.08, an upside of 84.11% from Illumina's current stock price of $71.20.

Illumina stock has a consensus Buy recommendation according to Wall Street analysts. Of the 12 analysts covering Illumina, 33.33% have issued a Strong Buy rating, 8.33% have issued a Buy, 50% have issued a hold, while 0% have issued a Sell rating, and 8.33% have issued a Strong Sell.

2. Qiagen Nv (NYSE:QGEN)


Qiagen Nv (NYSE:QGEN) is the #2 top diagnostic & research stock out of 59 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 Qiagen Nv (NYSE:QGEN) is: Value: B, Growth: C, Momentum: C, Sentiment: C, Safety: C, Financials: B, and AI: C.

Qiagen Nv (NYSE:QGEN) has a Due Diligence Score of 23, which is -4 points lower than the diagnostic & research industry average of 27. Although this number is below the industry average, our proven quant model rates QGEN as a "B".

QGEN passed 9 out of 38 due diligence checks and has weak fundamentals. Qiagen Nv has seen its stock return 3.77% over the past year, overperforming other diagnostic & research stocks by 32 percentage points.

Qiagen Nv has an average 1 year price target of $48.00, an upside of 17.91% from Qiagen Nv's current stock price of $40.71.

Qiagen Nv stock has a consensus Buy recommendation according to Wall Street analysts. Of the 4 analysts covering Qiagen Nv, 25% have issued a Strong Buy rating, 0% have issued a Buy, 75% have issued a hold, while 0% have issued a Sell rating, and 0% have issued a Strong Sell.

3. Mettler Toledo International (NYSE:MTD)


Mettler Toledo International (NYSE:MTD) is the #3 top diagnostic & research stock out of 59 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 Mettler Toledo International (NYSE:MTD) is: Value: C, Growth: C, Momentum: C, Sentiment: B, Safety: A, Financials: A, and AI: B.

Mettler Toledo International (NYSE:MTD) has a Due Diligence Score of 39, which is 12 points higher than the diagnostic & research industry average of 27.

MTD passed 13 out of 33 due diligence checks and has average fundamentals. Mettler Toledo International has seen its stock lose -16.12% over the past year, overperforming other diagnostic & research stocks by 12 percentage points.

Mettler Toledo International has an average 1 year price target of $1,363.80, an upside of 35.71% from Mettler Toledo International's current stock price of $1,004.96.

Mettler Toledo International stock has a consensus Buy recommendation according to Wall Street analysts. Of the 5 analysts covering Mettler Toledo International, 40% have issued a Strong Buy rating, 20% have issued a Buy, 40% 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 5 diagnostic & research stocks that have issued dividends in the past year, the 3 diagnostic & research stocks with the highest dividend yields are:

1. Enzo Biochem (NYSE:ENZ)


Enzo Biochem (NYSE:ENZ) has an annual dividend yield of 31.85%, which is 27 percentage points higher than the diagnostic & research industry average of 5.05%.

Enzo Biochem's dividend payout ratio of -23.8% indicates that its high dividend yield might not be sustainable for the long-term.

2. Quest Diagnostics (NYSE:DGX)


Quest Diagnostics (NYSE:DGX) has an annual dividend yield of 1.4%, which is -4 percentage points lower than the diagnostic & research industry average of 5.05%. 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 38.6% indicates that its dividend yield is sustainable for the long-term.

3. Labcorp Holdings (NYSE:LH)


Labcorp Holdings (NYSE:LH) has an annual dividend yield of 0.66%, which is -4 percentage points lower than the diagnostic & research industry average of 5.05%. 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 24.3% indicates that its dividend yield is sustainable for the long-term.

Why are diagnostic & research stocks down?

Diagnostic & research stocks were down -0.89% in the last day, and up 1.86% over the last week.

We couldn't find a catalyst for why diagnostic & research stocks are down.

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. Icon (NASDAQ:ICLR)


Icon (NASDAQ:ICLR) 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.

Icon has a valuation score of 57, which is 39 points higher than the diagnostic & research industry average of 18. It passed 4 out of 7 valuation due diligence checks.

Icon's stock has dropped -52.29% in the past year. It has underperformed other stocks in the diagnostic & research industry by -24 percentage points.

2. Charles River Laboratories International (NYSE:CRL)


Charles River Laboratories International (NYSE:CRL) 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.

Charles River Laboratories International has a valuation score of 29, which is 11 points higher than the diagnostic & research industry average of 18. It passed 2 out of 7 valuation due diligence checks.

Charles River Laboratories International's stock has dropped -53.91% in the past year. It has underperformed other stocks in the diagnostic & research industry by -26 percentage points.

3. Fonar (NASDAQ:FONR)


Fonar (NASDAQ:FONR) 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.

Fonar has a valuation score of 43, which is 25 points higher than the diagnostic & research industry average of 18. It passed 3 out of 7 valuation due diligence checks.

Fonar's stock has dropped -25.85% in the past year. It has overperformed other stocks in the diagnostic & research industry by 2 percentage points.

Are diagnostic & research stocks a good buy now?

52.5% of diagnostic & research stocks rated by analysts are a strong buy right now. On average, analysts expect diagnostic & research stocks to rise by 37.28% over the next year.

2.27% of diagnostic & research stocks have a Zen Rating of A (Strong Buy), 18.18% of diagnostic & research stocks are rated B (Buy), 70.45% are rated C (Hold), 9.09% are rated D (Sell), and 0% 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 36.04x.
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.