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Stocks to Compare Sections All Sections Selected Performance Chart Price & Volume MarketRank Analyst Ratings Sales & Book Value Profitability & Earnings Dividends Debt Ownership Miscellaneous Headlines About Compare NASDAQ:CSTL NASDAQ:DMTK NASDAQ:FLGT NASDAQ:RDNT NASDAQ:RNLX On This Page Performance ChartPrice & VolumeMarketRank™Analyst RatingsSales & Book ValueProfitability & EarningsDividendsDebtOwnershipMiscellaneousHeadlinesAbout Comparison Ideas Stock Ideas Comparative Price Performance Over Time1 day7 days30 days90 days365 daysCompare Price & VolumeCompanyCurrent Price50-Day Moving Average52-Week RangeMarket CapBetaAvg. VolumeToday's VolumeCSTLCastle Biosciences$19.66-0.9%$17.99$15.45▼$35.84$567.58M1.1450,201 shs281,876 shsDMTKDermTech$0.19$0.09▼$3.90$3.29M2.481.07 million shs3.66 million shsFLGTFulgent Genetics$19.27-1.4%$20.23$14.57▼$25.11$586.66M1.03287,024 shs202,866 shsRDNTRadNet$55.48-3.5%$57.00$45.00▼$93.65$4.16B1.41803,308 shs421,167 shsRNLXRenalytix$0.21$0.23$0.18▼$2.40$17.18M2.721.45 million shs934,496 shsA Guide To High-Short-Interest StocksMarketBeat's analysts have just released their top five short plays for July 2025. Learn which stocks have the most short interest and how to trade them. Enter your email address to see which companies made the list.Get This Free ReportCompare Price PerformanceCompany1-Day Performance7-Day Performance30-Day Performance90-Day Performance1-Year PerformanceCSTLCastle Biosciences-1.39%-2.19%+9.98%+0.71%+13.50%DMTKDermTech0.00%0.00%0.00%0.00%+6.45%FLGTFulgent Genetics-0.15%-2.54%-10.24%+2.89%-0.26%RDNTRadNet-0.21%+2.39%-3.02%+7.66%+2.28%RNLXRenalytix0.00%0.00%0.00%0.00%-31.40%Compare MarketRank™CompanyOverall ScoreAnalyst's OpinionShort Interest ScoreDividend StrengthESG ScoreNews and Social Media SentimentCompany OwnershipEarnings & ValuationCSTLCastle Biosciences3.0754 of 5 stars3.54.00.00.02.62.50.0DMTKDermTechN/AN/AN/AN/AN/AN/AN/AN/AFLGTFulgent Genetics3.6413 of 5 stars2.31.00.04.12.73.30.6RDNTRadNet3.9343 of 5 stars2.82.00.04.63.52.50.0RNLXRenalytixN/AN/AN/AN/AN/AN/AN/AN/ACompare Analyst ForecastsCompanyConsensus Rating ScoreConsensus RatingConsensus Price Target% Upside from Current PriceCSTLCastle Biosciences 3.00Buy$37.0088.20% UpsideDMTKDermTech 0.00N/AN/AN/AFLGTFulgent Genetics 2.50Moderate Buy$24.0024.55% UpsideRDNTRadNet 3.50Strong Buy$69.6025.45% UpsideRNLXRenalytix 3.00Buy$3.001,348.58% UpsideCurrent Analyst Ratings BreakdownLatest RDNT, DMTK, RNLX, CSTL, and FLGT Analyst RatingsDateCompanyBrokerageActionRatingPrice TargetDetails7/10/2025RDNTRadNetTruist FinancialSubscribe to MarketBeat All Access for the recommendation accuracy ratingSet Price Target$74.006/13/2025RDNTRadNetB. RileySubscribe to MarketBeat All Access for the recommendation accuracy ratingInitiated CoverageBuy ➝ Buy$69.006/12/2025RDNTRadNetB. RileySubscribe to MarketBeat All Access for the recommendation accuracy ratingUpgradeBuy ➝ Strong-Buy5/21/2025CSTLCastle BiosciencesScotiabankSubscribe to MarketBeat All Access for the recommendation accuracy ratingLower Price TargetSector Outperform ➝ Sector Outperform$44.00 ➝ $40.005/6/2025FLGTFulgent GeneticsPiper SandlerSubscribe to MarketBeat All Access for the recommendation accuracy ratingReiterated RatingNeutral ➝ Neutral$16.00 ➝ $23.005/6/2025CSTLCastle BiosciencesLake Street CapitalSubscribe to MarketBeat All Access for the recommendation accuracy ratingLower Price TargetBuy ➝ Buy$40.00 ➝ $35.005/6/2025CSTLCastle BiosciencesCanaccord Genuity GroupSubscribe to MarketBeat All Access for the recommendation accuracy ratingLower Price TargetBuy ➝ Buy$42.00 ➝ $37.005/5/2025FLGTFulgent GeneticsRaymond James FinancialSubscribe to MarketBeat All Access for the recommendation accuracy ratingReiterated RatingOutperform ➝ Outperform$24.00 ➝ $25.004/11/2025RDNTRadNetTruist FinancialSubscribe to MarketBeat All Access for the recommendation accuracy ratingLower Price TargetBuy ➝ Buy$88.00 ➝ $74.00(Data available from 7/11/2022 forward. View 10+ years of historical ratings with our analyst ratings screener.)Compare Sales & Book ValueCompanyAnnual RevenuePrice/SalesCashflowPrice/CashBook ValuePrice/BookCSTLCastle Biosciences$332.07M1.71$0.96 per share20.45$16.28 per share1.21DMTKDermTech$15.66M0.00N/AN/A$1.67 per share0.00FLGTFulgent Genetics$292.45M2.01N/AN/A$36.92 per share0.52RDNTRadNet$1.87B2.23$3.35 per share16.54$15.31 per share3.62RNLXRenalytix$2.29M7.50N/AN/A($0.10) per share-2.07Compare Profitability & EarningsCompanyNet IncomeEPSTrailing P/E RatioForward P/E RatioP/E GrowthNet MarginsReturn on Equity (ROE)Return on Assets (ROA)Next Earnings DateCSTLCastle Biosciences$18.25M-$0.19N/AN/AN/A-1.46%3.41%2.95%8/4/2025 (Estimated)DMTKDermTech-$100.89M-$2.70N/AN/AN/A-572.19%-138.79%-68.96%N/AFLGTFulgent Genetics-$42.71M-$1.33N/AN/AN/A-13.94%-2.19%-2.02%8/1/2025 (Estimated)RDNTRadNet$2.79M-$0.43N/A104.68N/A-1.73%1.41%0.48%8/6/2025 (Estimated)RNLXRenalytix-$33.46M-$0.39N/A∞N/A-1,461.60%N/A-281.40%N/ALatest RDNT, DMTK, RNLX, CSTL, and FLGT EarningsDateQuarterCompanyConsensus EstimateReported EPSBeat/MissGap EPSRevenue EstimateActual RevenueDetails8/6/2025Q2 2025RDNTRadNet$0.17N/AN/AN/A$488.06 millionN/A8/4/2025Q2 2025CSTLCastle Biosciences-$0.44N/AN/AN/A$71.53 millionN/A8/1/2025Q2 2025FLGTFulgent Genetics-$0.23N/AN/AN/A$76.21 millionN/A5/5/2025Q1 2025CSTLCastle Biosciences-$0.08-$0.20-$0.12-$0.90$80.40 million$87.99 million5/2/2025Q1 2025FLGTFulgent Genetics-$0.18$0.04+$0.22-$0.37$71.26 million$73.46 millionCompare DividendsCompanyAnnual PayoutDividend Yield3-Year Dividend GrowthPayout RatioYears of Consecutive GrowthCSTLCastle BiosciencesN/AN/AN/AN/AN/ADMTKDermTechN/AN/AN/AN/AN/AFLGTFulgent GeneticsN/AN/AN/AN/AN/ARDNTRadNetN/AN/AN/AN/AN/ARNLXRenalytixN/AN/AN/AN/AN/ACompare DebtCompanyDebt-to-Equity RatioCurrent RatioQuick RatioCSTLCastle Biosciences0.029.379.19DMTKDermTechN/A3.533.46FLGTFulgent GeneticsN/A6.326.32RDNTRadNet0.872.012.01RNLXRenalytixN/A0.530.53Compare OwnershipInstitutional OwnershipCompanyInstitutional OwnershipCSTLCastle Biosciences92.60%DMTKDermTech20.45%FLGTFulgent Genetics48.06%RDNTRadNet77.90%RNLXRenalytix9.92%Insider OwnershipCompanyInsider OwnershipCSTLCastle Biosciences6.50%DMTKDermTech5.10%FLGTFulgent Genetics31.76%RDNTRadNet5.60%RNLXRenalytix18.30%Compare Miscellaneous StatsCompanyEmployeesShares OutstandingFree FloatOptionableCSTLCastle Biosciences54028.87 million27.00 millionOptionableDMTKDermTech26034.96 million33.18 millionOptionableFLGTFulgent Genetics1,31330.44 million20.78 millionOptionableRDNTRadNet11,02175.03 million70.83 millionOptionableRNLXRenalytix10082.96 million63.06 millionOptionableRDNT, DMTK, RNLX, CSTL, and FLGT HeadlinesRecent News About These CompaniesRenalytix shares gain as billable test numbers set new company recordApril 10, 2025 | proactiveinvestors.co.ukRenalytix Adjusts Share Capital Amid Fundraising ShortfallNovember 6, 2024 | markets.businessinsider.comRenalytix PLC (RNLX) Stock: Unveiling Its Hidden StrengthsOctober 2, 2024 | bovnews.comBRenalytix PLC (RNLX) Stock: Surpassing Expectations in the Market?September 11, 2024 | bovnews.comBWhat Factors Have Led to Renalytix PLC (RNLX) Stock Trading -90.00% Below Its 52-Week High?September 2, 2024 | bovnews.comBThe Renalytix Plc ADR (RNLX) Stock expansion path aheadJuly 23, 2024 | bovnews.comBRenalytix and Steno Diabetes Center Announce Precision Medicine Collaboration Marking First Expansion for KidneyIntelX Platform Beyond USJuly 11, 2024 | globenewswire.comRenalytix Submits Hearing Request to Nasdaq Hearings Panel in Regard to Staff Delisting DeterminationJune 27, 2024 | globenewswire.comMedicare Issues Final Coverage Determination for kidneyintelX.dkdJune 14, 2024 | globenewswire.comWhat do you think? Take A Moment To Read: Renalytix Plc ADR (RNLX) StockMay 27, 2024 | bovnews.comBIs Renalytix Plc ADR (RNLX) Stock Paving the Way for Earnings?May 16, 2024 | bovnews.comBRNLX Stock Earnings: Renalytix Misses EPS, Misses Revenue for Q3 2024May 15, 2024 | investorplace.comRenalytix AI GAAP EPS of -$0.08 beats by $0.01, revenue of $0.54M misses by $0.56MMay 15, 2024 | msn.comRenalytix Reports Financial Results for Third Quarter of Fiscal Year 2024May 15, 2024 | globenewswire.comRenalytix AI is about to announce its earnings — here's what Wall Street expectsMay 15, 2024 | markets.businessinsider.comRenalytix AI earnings: here's what Wall Street expectsMay 14, 2024 | markets.businessinsider.comRenalytix to Report Financial Results for Third Quarter Fiscal Year 2024 on May 15May 9, 2024 | finance.yahoo.comRenalytix to Report Financial Results for Third Quarter Fiscal Year 2024 on May 15May 9, 2024 | globenewswire.comRenalytix Plc (RNLX) Stock Price, News, Quote & History - Yahoo FinanceApril 28, 2024 | finance.yahoo.comRenalytix files to sell 19.99M ordinary shares for holdersApril 17, 2024 | msn.comNew MarketBeat Followers Over TimeMedia Sentiment Over TimeRDNT, DMTK, RNLX, CSTL, and FLGT Company DescriptionsCastle Biosciences NASDAQ:CSTL$19.66 -0.18 (-0.91%) Closing price 04:00 PM EasternExtended Trading$19.66 +0.00 (+0.03%) As of 04:10 PM Eastern Extended trading is trading that happens on electronic markets outside of regular trading hours. This is a fair market value extended hours price provided by Polygon.io. Learn more.Castle Biosciences, Inc., a molecular diagnostics company, provides testing solutions for the diagnosis and treatment of dermatologic cancers, Barrett's esophagus, uveal melanoma, and mental health conditions. It offers DecisionDx-Melanoma, a risk stratification gene expression profile (GEP) test to identify the risk of metastasis for patients diagnosed with invasive cutaneous melanoma; DecisionDx-SCC, a proprietary risk stratification GEP test for patients with cutaneous squamous cell carcinoma; MyPath Melanoma, a test used for patients with difficult-to-diagnose melanocytic lesions; and TissueCypher, a spatial omics test to predict future development of high-grade dysplasia and/or esophageal cancer in patients with non-dysplastic, indefinite dysplasia, or low-grade dysplasia Barrett's esophagus. In addition, the company provides DecisionDx-UM test, a proprietary risk stratification GEP test that predicts the risk of metastasis for patients with uveal melanoma; and IDgenetix, a pharmacogenomic test that helps guide drug treatment for major depressive disorder, schizophrenia, bipolar disorder, anxiety disorders, social phobia, obsessive-compulsive personality disorder, post-traumatic stress disorder, and attention deficit hyperactivity disorder. It offers its products to skin cancer, gastroenterology, and mental health markets. The company was incorporated in 2007 and is headquartered in Friendswood, Texas.DermTech NASDAQ:DMTKDermTech, Inc., a molecular diagnostic company, engages in the development and marketing of novel non-invasive genomics tests to aid in the diagnosis and management of melanoma in the United States. The company provides DermTech Melanoma Test (DMT), an innovative non-invasive way to enhance melanoma detection for developing product for non-melanoma skin cancers. It also offers DermTech Smart Sticker, which provides a non-invasively way to collect skin sample including standard care by using scalpel to biopsy suspicious lesions. In addition, it provides research services and technology platform on a contract basis to pharmaceutical companies which use the technology for clinical trials. Further, the company develops gene expression assays for the psoriasis, atopic dermatitis, and aging of the skin to pharmaceutical companies to develop drug products in dermatology; and develop custom gene assays to support the pharmaceutical partners. It sells its products through pathology and oncology practitioners. DermTech, Inc. is headquartered in San Diego, California.Fulgent Genetics NASDAQ:FLGT$19.27 -0.28 (-1.43%) Closing price 04:00 PM EasternExtended Trading$19.28 +0.02 (+0.08%) As of 04:53 PM Eastern Extended trading is trading that happens on electronic markets outside of regular trading hours. This is a fair market value extended hours price provided by Polygon.io. Learn more.Fulgent Genetics, Inc., together with its subsidiaries, provides clinical diagnostic and therapeutic development solutions to physicians and patients in the United States and internationally. The company's clinical diagnostic solutions include molecular diagnostic testing; genetic testing; anatomic pathology laboratory tests and testing services, such as gastrointestinal pathology, dermatopathology, urologic pathology, breast pathology, neuropathology, and hematopathology; oncology tests and testing services; and sequencer services related to hereditary cancer, reproductive health, and other diseases. Its therapeutic development solutions focus on developing drug candidates for treating a range of cancers using a nanoencapsulation and targeted therapy platform to enhance the therapeutic window and pharmacokinetic profile of new and existing cancer drugs. The company operates picture genetics platform, which includes gene probes, data suppression and comparison algorithms, adaptive learning software, and proprietary laboratory information management systems that helps customers to identify health markers in their personal DNA. It serves insurance, hospitals, medical institutions, other laboratories, governmental bodies, payors, municipalities and large corporations, and patients. The company was formerly known as Fulgent Diagnostics, Inc. and changed its name to Fulgent Genetics, Inc. in August 2016. Fulgent Genetics, Inc. was founded in 2011 and is headquartered in El Monte, California.RadNet NASDAQ:RDNT$55.48 -2.02 (-3.51%) Closing price 04:00 PM EasternExtended Trading$55.50 +0.02 (+0.03%) As of 04:20 PM Eastern Extended trading is trading that happens on electronic markets outside of regular trading hours. This is a fair market value extended hours price provided by Polygon.io. Learn more.RadNet, Inc., together with its subsidiaries, provides outpatient diagnostic imaging services in the United States. The company operates in two segments: Imaging Centers and Artificial Intelligence. Its services include magnetic resonance imaging, computed tomography, positron emission tomography, nuclear medicine, mammography, ultrasound, diagnostic radiology, fluoroscopy, and other related procedures, as well as multi-modality imaging services. The company also develops and sells computerized systems that distribute, display, store, and retrieve digital images; offers picture archiving communications systems and related services; and develops and deploys AI suites to enhance radiologist interpretation of breast, lung, and prostate images, as well as AI solutions for prostate cancer screening. RadNet, Inc. was founded in 1981 and is headquartered in Los Angeles, California.Renalytix NASDAQ:RNLXRenalytix Plc develops artificial intelligence-enabled in vitro diagnostic solutions for kidney diseases. The company offers KidneyIntelX, a diagnostic platform that employs an artificial intelligence-enabled algorithm that combines various data inputs, including validated blood-based biomarkers, inherited genetics, and personalized patient data from electronic health record systems to generate a unique patient risk score. Its products are used in kidney disease diagnosis and prognosis, clinical care, patient stratification for drug clinical trials, and drug target discovery. Renalytix Plc has a license agreement with Mount Sinai Health System to develop and commercialize licensed products in connection with the application of artificial intelligence for the diagnosis of kidney disease; and Joslin Diabetes Center, Inc. for developing and commercializing products for diagnosing and predicting kidney disease using biomarkers. The company also has a partnership agreement with Atrium Health, Wake Forest Baptist Health, and Wake Forest School of Medicine to implement an advanced clinical care model designed to improve kidney health and reduce kidney disease progression and kidney failure. The company was formerly known as Renalytix AI plc and changed its name to Renalytix Plc in June 2021. Renalytix Plc was incorporated in 2018 and is based in New York, New York. 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