David Westenberg Analyst PerformanceSr. Research Analyst at Piper SandlerDavid Westenberg is a stock analyst at Piper Sandler focused in the medical sector, covering 29 publicly traded companies. Over the past year, David Westenberg has issued 59 stock ratings, including buy and hold recommendations. While full access to David Westenberg's proprietary MarketBeat Analyst Ranking is reserved for MarketBeat All Access subscribers, the rating is updated daily to reflect the most recent analyst activity. This profile highlights David Westenberg's coverage history, rating activity, and performance tendencies — helping individual investors make more informed trading decisions. Analyst Rankings, Coverage, and Performance StatisticsAnalyst RankingSubscribe to MarketBeat All Access for the analyst's recommendation accuracy rating MarketBeatAverage Return00.00% 12-Month ROISuccess Rate00.00% Profitable RatingsTotal Ratings94 Last 6 YearsBuy Recommendations50.00% 46 Buy RatingsCompanies Covered29 Unique Companies Ratings Distribution92RatingsDistribution of strong buy, buy, hold, and sell ratings by David Westenberg.RatingPercentageCount Strong Buy0.0%0 ratings Buy50.0%46 ratings Hold50.0%46 ratings Sell0.0%0 ratingsOut of 92 total stock ratings issued by David Westenberg at Piper Sandler, the majority (50.0%) have been Buy recommendations, followed by 50.0% Hold.Best & Worst CallsBest Call0000.0%TRUPNov 2019Subscribe to MarketBeat All Access to get analyst recommendation ROI.Worst Call000.0%ZTSMay 2025Subscribe to MarketBeat All Access to get analyst recommendation ROI.Exchange CoverageExchangePercentageCountNASDAQ72.4% of companies on NASDAQ21 companiesNYSE27.6% of companies on NYSE8 companiesDavid Westenberg, an analyst at Piper Sandler, currently covers 29 companies listed on NASDAQ and NYSE, with the majority traded on NASDAQ.Coverage FocusSector IconSectorPercentageMedical26 companies89.7%Services2 companies6.9%Finance1 company3.4%David Westenberg of Piper Sandler specializes in stock coverage within the Medical sector, with additional focus on Services and Finance companies.Coverage IndustriesIndustryPercentageMED - BIOMED/GENE9 companies31.0%MED INSTRUMENTS5 companies17.2%MEDICAL SERVICES4 companies13.8%MEDICAL INFO SYS3 companies10.3%MED PRODUCTS2 companies6.9%SERVICES – HEALTH2 companies6.9%MED - OUTP/HM CRE2 companies6.9%MED - DRUGS1 company3.4%INS - ACC & HLTH1 company3.4% About David WestenbergDavid Westenberg is senior research analyst and managing director at Piper Sandler covering animal health and genomics tools and labs. Prior to joining Piper Sandler in 2021, Westenberg was a senior analyst at Guggenheim Securities, covering diagnostics labs, genomic instruments and animal health. Prior to joining Guggenheim, he was a senior analyst at CL King, leading the coverage of diagnostics and animal health. Westenberg is a CFA Charterholder, and was a StarMine runner-up for stock picking in medical equipment in 2018. He has a master’s in finance from Bocconi University in Milan and a Bachelor of Science in business administration from San Francisco State.Follow on LinkedIn David Westenberg's Ratings History at Piper Sandler Custom Range 1 Month 3 Months 6 Months Year-to-Date 1 Year 2 Years 3 Years 4 Years 5 Years All Time Timeframe Start Date End Date All Ratings Strong Buy Buy Hold Sell Rating Recommendation ROI is the percentage between the price on the Report Date to the price 12 months after the report date.Available with a MarketBeat All Access Subscription12-Month ROIUpgrade to All Access to use the All ROI Filter Export CompanyReport DateActionReport Date Price12-MonthPrice TargetRating12-MonthPrice & ROIDetailsVCYTVeracyte7/15/2026Initiated Coverage$56.62$66.00Overweight$0.0000.00% ROIVCYTVeracyte7/15/2026Initiated Coverage$59.51$66.00Overweight$0.0000.00% ROIILMNIllumina7/1/2026Boost Price Target$175.83$200.00Overweight$0.0000.00% ROITXG10x Genomics7/1/2026Boost Price Target$37.82$42.00Neutral$0.0000.00% ROIWGSGeneDx6/23/2026Reiterated Rating$55.42$63.00Overweight$0.0000.00% ROIWATWaters6/11/2026Initiated Coverage$364.09$400.00Neutral$0.0000.00% ROITWSTTwist Bioscience6/11/2026Initiated Coverage$67.77$85.00Overweight$0.0000.00% ROITMOThermo Fisher Scientific6/11/2026Initiated Coverage$483.13$510.00Neutral$0.0000.00% ROITECHBio-Techne6/11/2026Initiated Coverage$52.50$65.00Neutral$0.0000.00% ROIDHRDanaher6/11/2026Initiated Coverage$183.88$200.00Neutral$0.0000.00% ROI Get the Latest News and Ratings for Your StocksEnter your email address below to receive the latest headlines and analysts' recommendations for your stocks with our free daily email newsletter. AAgilent Technologies6/11/2026Initiated Coverage$131.88$150.00Neutral$0.0000.00% ROIDHRDanaher6/11/2026Initiated Coverage$180.65$200.00Neutral$0.0000.00% ROITECHBio-Techne6/11/2026Initiated Coverage$54.02$65.00Neutral$0.0000.00% ROITMOThermo Fisher Scientific6/11/2026Initiated Coverage$475.12$510.00Neutral$0.0000.00% ROITWSTTwist Bioscience6/11/2026Initiated Coverage$74.05$85.00Overweight$0.0000.00% ROIWATWaters6/11/2026Initiated Coverage$359.80$400.00Neutral$0.0000.00% ROIGHGuardant Health5/21/2026Set Price Target$119.74$127.00$0.0000.00% ROIGRALGRAIL5/6/2026Boost Price Target$54.40$56.00Neutral$0.0000.00% ROIFLGTFulgent Genetics5/5/2026Reiterated Rating$15.12$15.00Neutral$0.0000.00% ROICAICaris Life Sciences4/10/2026Initiated Coverage$19.20$21.00Neutral$0.0000.00% ROIGRALGRAIL4/10/2026Initiated Coverage$47.56$54.00Neutral$0.0000.00% ROIWGSGeneDx2/24/2026Reiterated Rating$87.08$130.00Overweight$0.0000.00% ROINEONeoGenomics2/24/2026Boost Price Target$9.97$13.00Overweight$0.0000.00% ROILHLabcorp2/24/2026Boost Price Target$285.15$300.00Neutral$0.0000.00% ROIGHGuardant Health2/24/2026Boost Price Target$94.42$130.00Overweight$0.0000.00% ROIILMNIllumina2/9/2026Lower Price Target$118.34$170.00Overweight$0.0000.00% ROIIDXXIDEXX Laboratories2/9/2026Lower Price Target$644.61$750.00Neutral$0.0000.00% ROIZTSZoetis1/22/2026Reiterated Rating$125.08$135.00Neutral$0.0000.00% ROIELANElanco Animal Health1/22/2026Upgrade$24.38$30.00Overweight$0.0000.00% ROIZTSZoetis1/22/2026Downgrade$124.35$135.00Neutral$0.0000.00% ROINEOGNeogen1/12/2026Reiterated Rating$9.62$10.00Neutral$0.0000.00% ROIBLLNBilliontoone12/10/2025Reiterated Rating$109.53Overweight$0.0000.00% ROIBLLNBilliontoone12/1/2025Initiated Coverage$130.18$150.00Overweight$0.0000.00% ROIEXASExact Sciences11/24/2025Downgrade$101.00$105.00Hold$0.0000.00% ROITXG10x Genomics11/11/2025Boost Price Target$17.14$19.00Neutral$0.0000.00% ROITEMTempus AI11/11/2025Lower Price Target$73.40$80.00Neutral$0.0000.00% ROIPACBPacific Biosciences of California11/11/2025Boost Price Target$1.82$2.00Neutral$0.0000.00% ROINTRANatera11/11/2025Boost Price Target$208.87$230.00Overweight$0.0000.00% ROIFLGTFulgent Genetics11/11/2025Boost Price Target$28.68$30.00Neutral$0.0000.00% ROIEXASExact Sciences11/11/2025Boost Price Target$67.18$80.00Overweight$0.0000.00% ROILouis Navellier: My #1 AI stock for 2026 (name & ticker inside) (Ad)Louis Navellier's Stock Grader system helped him flag Nvidia before its 82,000% run and has identified the top S&P 500 stock for 12 years running—and today, he's giving away his #1 AI stock pick for 2026, free. This company's sales are up 28% year over year, it holds over 30,000 patents in wireless and video technology, and it just earned an A-rating in his proprietary Stock Grader system that has cost him $9 million to build and maintain.Get the name and ticker of Louis Navellier's #1 AI stock freeCTKBCytek Biosciences11/11/2025Lower Price Target$4.79$7.50Overweight$0.0000.00% ROIDGXQuest Diagnostics10/27/2025Boost Price Target$182.51$200.00Neutral$0.0000.00% ROITEMTempus AI10/22/2025Boost Price Target$89.29$105.00Neutral$0.0000.00% ROIGHGuardant Health10/22/2025Boost Price Target$68.32$90.00Overweight$0.0000.00% ROINEOGNeogen10/16/2025Set Price Target$5.95$6.50Neutral$0.0000.00% ROIADPTAdaptive Biotechnologies10/15/2025Boost Price Target$15.58$20.00Overweight$0.0000.00% ROIEXASExact Sciences10/8/2025Boost Price Target$57.75$70.00Overweight$0.0000.00% ROITXG10x Genomics9/11/2025Initiated Coverage$12.59$15.00Neutral$0.0000.00% ROIWGSGeneDx9/11/2025Boost Price Target$129.25$140.00Overweight$0.0000.00% ROIZTSZoetis8/11/2025Boost Price Target$147.34$215.00Overweight$0.0000.00% ROIIDXXIDEXX Laboratories8/11/2025Reiterated Rating$658.06$700.00Neutral$0.0000.00% ROINTRANatera8/11/2025Reiterated Rating$151.95$220.00Overweight$0.0000.00% ROIELANElanco Animal Health8/11/2025Boost Price Target$16.61$18.00Neutral$0.0000.00% ROIEXASExact Sciences8/11/2025Lower Price Target$40.99$60.00Overweight$0.0000.00% ROIPACBPacific Biosciences of California8/11/2025Boost Price Target$1.35$1.50Neutral$0.0000.00% ROIADPTAdaptive Biotechnologies8/6/2025Boost Price Target$11.34$15.00Overweight$0.0000.00% ROINEONeoGenomics8/4/2025Set Price Target$5.45$11.00Overweight$0.0000.00% ROIWGSGeneDx8/4/2025Set Price Target$105.18$120.00Overweight$0.0000.00% ROIFLGTFulgent Genetics8/4/2025Set Price Target$18.18$21.00Neutral$0.0000.00% ROIWGSGeneDx7/9/2025Initiated Coverage$85.22$110.00Overweight$00.0000.00% ROITEMTempus AI5/15/2025Boost Price Target$63.76$70.00Neutral$00.0000.00% ROIPACBPacific Biosciences of California5/15/2025Lower Price Target$1.06$1.25Neutral$0.0000.00% ROINTRANatera5/15/2025Boost Price Target$149.42$210.00Overweight$000.0000.00% ROIILMNIllumina5/15/2025Lower Price Target$80.65$185.00Overweight$000.0000.00% ROIZTSZoetis5/12/2025Boost Price Target$162.37$210.00Overweight$00.0000.00% ROINEONeoGenomics5/6/2025Set Price Target$7.84$12.00Overweight$0.0000.00% ROILHLabcorp5/6/2025Reiterated Rating$245.96$280.00Neutral$000.0000.00% ROIGHGuardant Health5/6/2025Reiterated Rating$43.68$60.00Overweight$00.0000.00% ROIFLGTFulgent Genetics5/6/2025Reiterated Rating$18.96$23.00Neutral$00.0000.00% ROIADPTAdaptive Biotechnologies5/6/2025Reiterated Rating$10.03$13.00Overweight$00.0000.00% ROIDGXQuest Diagnostics4/28/2025Boost Price Target$175.47$200.00Neutral$000.0000.00% ROINEOGNeogen4/22/2025Lower Price Target$4.82$5.00Neutral$0.0000.00% ROINEOGNeogen4/14/2025Lower Price Target$5.58$6.50Neutral$0.0000.00% ROIELANElanco Animal Health3/6/2025Lower Price Target$10.77$12.00Neutral$00.0000.00% ROICTKBCytek Biosciences3/4/2025Lower Price Target$4.30$8.00Overweight$0.0000.00% ROITEMTempus AI3/4/2025Lower Price Target$50.13$55.00Neutral$00.0000.00% ROINTRANatera3/4/2025Boost Price Target$137.97$205.00Overweight$000.0000.00% ROIFLGTFulgent Genetics3/4/2025Lower Price Target$14.98$16.00Neutral$00.0000.00% ROIZTSZoetis2/27/2025Boost Price Target$164.99$205.00Overweight$000.0000.00% ROINEONeoGenomics2/26/2025Lower Price Target$10.64$18.00Overweight$0.0000.00% ROIGHGuardant Health2/26/2025Boost Price Target$43.13$50.00Overweight$00.0000.00% ROIEXASExact Sciences2/26/2025Lower Price Target$48.71$70.00Overweight$000.0000.00% ROIPACBPacific Biosciences of California2/20/2025Reiterated Rating$1.63$2.00Neutral$0.0000.00% ROIADPTAdaptive Biotechnologies2/20/2025Reiterated Rating$8.48$11.00Overweight$00.0000.00% ROIILMNIllumina2/10/2025Boost Price Target$103.65$190.00Overweight$000.0000.00% ROIZTSZoetis2/10/2025Lower Price Target$171.12$200.00Overweight$000.0000.00% ROIIDXXIDEXX Laboratories2/10/2025Boost Price Target$463.58$510.00Neutral$000.0000.00% ROIDGXQuest Diagnostics2/3/2025Reiterated Rating$161.06$180.00Neutral$000.0000.00% ROINEOGNeogen1/21/2025Reiterated Rating$11.78$13.00Neutral$0.0000.00% ROI Stock Forecasts and Research Tools Today's Analyst Ratings U.S. Ratings U.K. Ratings Canadian Ratings All Upgrades All Downgrades All Initiations All Price Target Changes Top-Rated Stocks Top Rated Stocks Top-Rated Dividend Stocks Top-Rated Small-Cap Stocks Top-Rated Tech Stocks Most-Upgraded Stocks Most-Downgraded Stocks Lowest-Rated Stocks More Ratings Tools Stock Ratings by Issuer Top-Rated Analysts Top-Rated Brokerages Stock Ratings Screener Free Ratings Newsletter Price Forecasts for Popular Stocks Alphabet (Google) Stock ForecastAmazon Stock ForecastApple Stock ForecastMeta (Facebook) Stock ForecastMicrosoft Stock ForecastNetflix Stock ForecastNvidia Stock ForecastTesla Stock Forecast Top 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