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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:BLUE NASDAQ:RGEN 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 VolumeBLUEbluebird bio$4.97$4.78$3.20▼$5.03$48.67M0.27807,956 shsN/ARGENRepligen$126.43+0.5%$121.00$109.50▼$175.77$7.09B1.091.11 million shs935,807 shs7 Stocks to Buy And Hold ForeverClick the link to see MarketBeat's list of seven stocks and why their long-term outlooks are very promising. Get This Free ReportCompare Price PerformanceCompany1-Day Performance7-Day Performance30-Day Performance90-Day Performance1-Year PerformanceBLUEbluebird bio0.00%0.00%0.00%0.00%+34.51%RGENRepligen+0.53%+6.86%+9.66%-11.08%-0.35%Compare Price & VolumeCompanyCurrent Price50-Day Moving Average52-Week RangeMarket CapBetaAvg. VolumeToday's VolumeBLUEbluebird bio$4.97$4.78$3.20▼$5.03$48.67M0.27807,956 shsN/ARGENRepligen$126.43+0.5%$121.00$109.50▼$175.77$7.09B1.091.11 million shs935,807 shs7 Stocks to Buy And Hold ForeverClick the link to see MarketBeat's list of seven stocks and why their long-term outlooks are very promising. Get This Free ReportCompare Price PerformanceCompany1-Day Performance7-Day Performance30-Day Performance90-Day Performance1-Year PerformanceBLUEbluebird bio0.00%0.00%0.00%0.00%+34.51%RGENRepligen+0.53%+6.86%+9.66%-11.08%-0.35%Compare Analyst ForecastsCompanyConsensus Rating ScoreConsensus RatingConsensus Price Target% Upside from Current PriceBLUEbluebird bio 0.00N/AN/AN/ARGENRepligen 2.87Moderate Buy$169.6234.16% UpsideCurrent Analyst Ratings BreakdownLatest BLUE and RGEN Analyst RatingsDateCompanyBrokerageActionRatingPrice TargetDetails5/6/2026RGENRepligen BarclaysSubscribe to MarketBeat All Access for the firm's recommendation accuracy ratingBoost Price TargetOverweight$145.00 ➝ $160.005/6/2026RGENRepligen JPMorgan Chase & Co.Subscribe to MarketBeat All Access for the firm's recommendation accuracy ratingLower Price TargetOverweight$180.00 ➝ $165.005/5/2026RGENRepligen Jefferies Financial GroupSubscribe to MarketBeat All Access for the firm's recommendation accuracy ratingReiterated RatingHold$142.004/20/2026RGENRepligen Canaccord Genuity GroupSubscribe to MarketBeat All Access for the firm's recommendation accuracy ratingLower Price TargetHold$165.00 ➝ $145.004/17/2026RGENRepligen Rothschild & Co RedburnSubscribe to MarketBeat All Access for the firm's recommendation accuracy ratingSet Price TargetBuy$160.004/17/2026RGENRepligen Rothschild & Co RedburnSubscribe to MarketBeat All Access for the firm's recommendation accuracy ratingUpgradeStrong-Buy4/17/2026RGENRepligen Roth MkmSubscribe to MarketBeat All Access for the firm's recommendation accuracy ratingInitiated CoverageBuy$160.004/14/2026RGENRepligen BarclaysSubscribe to MarketBeat All Access for the firm's recommendation accuracy ratingLower Price TargetOverweight$175.00 ➝ $145.003/23/2026RGENRepligen HC WainwrightSubscribe to MarketBeat All Access for the firm's recommendation accuracy ratingBoost Price TargetBuy$180.00 ➝ $208.003/3/2026RGENRepligen Weiss RatingsSubscribe to MarketBeat All Access for the firm's recommendation accuracy ratingDowngradeHold (C-) ➝ Sell (D+)(Data available from 5/8/2023 forward. View 10+ years of historical ratings with our analyst ratings screener.)Compare Sales & Book ValueCompanyAnnual RevenuePrice/SalesCashflowPrice/CashBook ValuePrice/BookBLUEbluebird bio$103.95M0.47N/AN/A$35.59 per share0.14RGENRepligen$738.26M9.66$3.43 per share36.81$37.33 per share3.39Compare Profitability & EarningsCompanyNet IncomeEPSTrailing P/E RatioForward P/E RatioP/E GrowthNet MarginsReturn on Equity (ROE)Return on Assets (ROA)Next Earnings DateBLUEbluebird bio-$211.91M-$41.32N/AN/AN/A-565.74%-322.46%-53.17%N/ARGENRepligen$48.89M$0.90140.4852.682.426.73%4.88%3.48%N/ALatest BLUE and RGEN EarningsDateQuarterCompanyConsensus EstimateReported EPSBeat/MissGap EPSRevenue EstimateActual RevenueDetails5/5/2026Q1 2026RGENRepligen$0.38$0.48+$0.10$0.15$192.05 million$194.26 million2/24/2026Q4 2025RGENRepligen$0.44$0.49+$0.05$0.23$192.23 million$197.91 millionCompare DividendsCompanyAnnual PayoutDividend Yield5-Year Annualized Dividend GrowthPayout RatioYears of Consecutive GrowthBLUEbluebird bioN/AN/AN/AN/AN/ARGENRepligenN/AN/AN/AN/AN/ACompare DebtCompanyDebt-to-Equity RatioCurrent RatioQuick RatioBLUEbluebird bio0.370.510.33RGENRepligen0.269.207.12Compare OwnershipInstitutional OwnershipCompanyInstitutional OwnershipBLUEbluebird bio87.43%RGENRepligen97.64%Insider OwnershipCompanyInsider OwnershipBLUEbluebird bio1.40%RGENRepligen0.60%Compare Miscellaneous StatsCompanyEmployeesShares OutstandingFree FloatOptionableBLUEbluebird bio5209.79 million9.59 millionOptionableRGENRepligen2,00056.40 million56.06 millionOptionableBLUE and RGEN HeadlinesRecent News About These CompaniesAnalysts Offer Insights on Healthcare Companies: Repligen (RGEN) and IQVIA Holdings (IQV)May 7 at 10:36 AM | theglobeandmail.comRepligen Corporation to Present at Bank of America Securities 2026 Global Healthcare ConferenceMay 7 at 7:30 AM | globenewswire.comRepligen (NASDAQ:RGEN) Given New $165.00 Price Target at JPMorgan Chase & Co.May 7 at 4:20 AM | americanbankingnews.comJPMorgan Chase & Co. Lowers Repligen (NASDAQ:RGEN) Price Target to $165.00May 6 at 5:18 PM | marketbeat.comRepligen's Q1 Earnings & Revenues Beat Estimates, Stock RisesMay 6 at 12:50 PM | zacks.comRepligen Corporation $RGEN Stock Position Decreased by UBS Group AGMay 6 at 8:15 AM | marketbeat.comRepligen forecasts $1.97-$2.05 EPS on $803M-$833M 2026 revenue, as it targets 1 point margin lift by end of 2027May 6 at 3:34 AM | seekingalpha.comRepligen Reshapes Operations And China Reach As Valuation Signals UpsideMay 6 at 3:34 AM | finance.yahoo.comRepligen: Q1 Earnings SnapshotMay 5 at 5:32 PM | stamfordadvocate.comSRepligen (RGEN) Q1 2026 Earnings Call TranscriptMay 5 at 5:32 PM | finance.yahoo.comRepligen’s (NASDAQ:RGEN) Q1 CY2026 sales beat estimatesMay 5 at 5:32 PM | msn.comRepligen (RGEN) shares skyrocket, what you need to knowMay 5 at 5:32 PM | msn.comRepligen Q1 Earnings Call HighlightsMay 5 at 4:19 PM | marketbeat.comRepligen Corporation (RGEN) Q1 2026 Earnings Call TranscriptMay 5 at 3:05 PM | seekingalpha.comRepligen (NASDAQ:RGEN) Posts Quarterly Earnings Results, Beats Expectations By $0.10 EPSMay 5 at 12:34 PM | marketbeat.comRepligen (RGEN) Q1 Earnings and Revenues Beat EstimatesMay 5 at 10:15 AM | zacks.comRepligen (NASDAQ:RGEN) Updates FY 2026 Earnings GuidanceMay 5 at 9:07 AM | marketbeat.comRepligen Reports First Quarter 2026 Financial Results and Updates Full Year 2026 Financial GuidanceMay 5 at 7:00 AM | globenewswire.comRepligen (RGEN) Q1 earnings report preview: What to look forMay 4, 2026 | msn.comRepligen Corporation $RGEN Shares Sold by Vanguard Group Inc.May 3, 2026 | marketbeat.comJennison Associates LLC Takes $20.25 Million Position in Repligen Corporation $RGENMay 3, 2026 | marketbeat.comNew MarketBeat Followers Over TimeMedia Sentiment Over TimeBLUE and RGEN Company Descriptionsbluebird bio NASDAQ:BLUEbluebird bio, Inc., a biotechnology company, researches, develops, and commercializes gene therapies for severe genetic diseases. Its product candidates for severe genetic diseases include ZYNTEGLO (betibeglogene autotemcel) for the treatment of transfusion-dependent ß-thalassemia; lovotibeglogene autotemcel for the treatment of sickle cell disease (SCD); and SKYSONA (elivaldogene autotemcel) to treat cerebral adrenoleukodystrophy. The company's clinical development programs include HGB-205, HGB-206, and HGB-210 to evaluate the safety and efficacy of lovo-cel in the treatment of patients with SCD; and HGB-204, HGB-205, HGB-207, and HGB-212 to evaluate the safety and efficacy of beti-cel in the treatment of patients with ß-thalassemia. It has license agreement with Orchard Therapeutics Limited. The company was formerly known as Genetix Pharmaceuticals, Inc., and changed its name to bluebird bio, Inc. in September 2010. bluebird bio, Inc. was incorporated in 1992 and is headquartered in Somerville, Massachusetts.Repligen NASDAQ:RGEN$126.43 +0.67 (+0.53%) Closing price 05/7/2026 04:00 PM EasternExtended Trading$127.30 +0.88 (+0.69%) As of 09:09 AM 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 Massive. Learn more.Repligen Corporation develops and commercializes bioprocessing technologies and systems for use in biological drug manufacturing process in North America, Europe, the Asia Pacific, and internationally. It offers Protein A ligands that are the binding components of Protein A affinity chromatography resins; and cell culture growth factor products. The company's chromatography products include OPUS pre-packed chromatography columns, which are used in the purification of biologics; and OPUS smaller-scale columns that are used in the high throughput process development screening, viral clearance validation studies, and scale down validation of chromatography processes. It also offers ELISA test kits; and chromatography resins under the CaptivA brand. In addition, the company provides filtration products, such as XCell Alternating Tangential Flow systems that are filtration devices used in upstream perfusion and cell culture processing; TangenX flat sheet cassettes, which are used in downstream biologic drug concentration, buffer exchange, and formulation processes; KrosFlo tangential flow filtration and tangential flow depth filtration systems; Spectra/Por laboratory and process dialysis products, and ProConnex TFDF flow paths. Further, it provides process analytics products, such as slope spectroscopy systems under the SoloVPE, FlowVPE, and FlowVPX brands. The company sells its products to life sciences, biopharmaceutical, and diagnostics companies; laboratory researchers; and contract manufacturing organizations. Repligen Corporation has collaboration agreements with Navigo Proteins GmbH to develop multiple affinity ligands. The company was incorporated in 1981 and is headquartered in Waltham, Massachusetts. 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