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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:ALVR NYSE:ATNM NASDAQ:BLUE NASDAQ:KLRS 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 VolumeALVRAlloVir$2.39-1.2%$2.82$7.96▼$24.15$12.05M0.6315,588 shs40,606 shsATNMActinium Pharmaceuticals$1.71+5.6%$1.58$1.03▼$8.64$53.35M-0.32522,962 shs241,883 shsBLUEbluebird bio$4.97$4.78$3.20▼$25.10$48.67M0.27450,490 shsN/AKLRSKalaris Therapeutics$2.39-1.2%$0.00$2.28▼$24.15$44.69M0.4840,265 shs40,606 shsAnalysts Agree—These Gold Picks Outshine the RestUnlock the timeless value of gold with our exclusive 2025 Gold Forecasting Report. Explore why gold remains the ultimate investment for safeguarding wealth against inflation, economic shifts, and global uncertainties. Whether you're planning for future generations or seeking a reliable asset in turbulent times, this report is your essential guide to making informed decisions.Get This Free ReportCompare Price PerformanceCompany1-Day Performance7-Day Performance30-Day Performance90-Day Performance1-Year PerformanceALVRAlloVir0.00%-1.65%-7.00%-65.81%-86.05%ATNMActinium Pharmaceuticals0.00%+12.50%+14.00%+42.50%-76.89%BLUEbluebird bio0.00%0.00%0.00%+27.44%-76.33%KLRSKalaris Therapeutics0.00%-1.65%-0.42%+238,999,900.00%+238,999,900.00%Compare MarketRank™CompanyOverall ScoreAnalyst's OpinionShort Interest ScoreDividend StrengthESG ScoreNews and Social Media SentimentCompany OwnershipEarnings & ValuationALVRAlloVirN/AN/AN/AN/AN/AN/AN/AN/AATNMActinium Pharmaceuticals2.1824 of 5 stars3.45.00.00.00.60.00.6BLUEbluebird bio1.7893 of 5 stars3.10.00.00.00.61.71.3KLRSKalaris TherapeuticsN/AN/AN/AN/AN/AN/AN/AN/ACompare Analyst ForecastsCompanyConsensus Rating ScoreConsensus RatingConsensus Price Target% Upside from Current PriceALVRAlloVir 0.00N/AN/AN/AATNMActinium Pharmaceuticals 2.75Moderate Buy$4.00133.92% UpsideBLUEbluebird bio 2.25Hold$44.60797.38% UpsideKLRSKalaris Therapeutics 0.00N/AN/AN/ACurrent Analyst Ratings BreakdownLatest ALVR, ATNM, KLRS, and BLUE Analyst RatingsDateCompanyBrokerageActionRatingPrice TargetDetails6/24/2025ATNMActinium PharmaceuticalsHC WainwrightSubscribe to MarketBeat All Access for the recommendation accuracy ratingReiterated RatingBuy ➝ Buy$4.005/12/2025ATNMActinium PharmaceuticalsHC WainwrightSubscribe to MarketBeat All Access for the recommendation accuracy ratingReiterated RatingBuy ➝ Buy$4.00 ➝ $4.004/28/2025ATNMActinium PharmaceuticalsHC WainwrightSubscribe to MarketBeat All Access for the recommendation accuracy ratingReiterated RatingBuy ➝ Buy$4.00 ➝ $4.00(Data available from 7/21/2022 forward. View 10+ years of historical ratings with our analyst ratings screener.)Compare Sales & Book ValueCompanyAnnual RevenuePrice/SalesCashflowPrice/CashBook ValuePrice/BookALVRAlloVirN/AN/AN/AN/A$29.35 per shareN/AATNMActinium PharmaceuticalsN/AN/AN/AN/A$1.31 per shareN/ABLUEbluebird bio$103.95M0.47N/AN/A$35.59 per share0.14KLRSKalaris TherapeuticsN/AN/AN/AN/A$22.47 per shareN/ACompare Profitability & EarningsCompanyNet IncomeEPSTrailing P/E RatioForward P/E RatioP/E GrowthNet MarginsReturn on Equity (ROE)Return on Assets (ROA)Next Earnings DateALVRAlloVir-$190.42M-$20.23N/A∞N/AN/A-71.03%-61.27%8/7/2025 (Estimated)ATNMActinium Pharmaceuticals-$48.82M-$1.47N/AN/AN/AN/A-100.85%-47.89%N/ABLUEbluebird bio-$211.91M-$41.32N/AN/AN/A-565.74%-322.46%-53.17%8/12/2025 (Estimated)KLRSKalaris Therapeutics-$58.77MN/A0.00∞N/AN/A-62.08%-54.69%N/ALatest ALVR, ATNM, KLRS, and BLUE EarningsDateQuarterCompanyConsensus EstimateReported EPSBeat/MissGap EPSRevenue EstimateActual RevenueDetails8/12/2025Q1 2025BLUEbluebird bio-$1.91N/AN/AN/A$45.60 millionN/ACompare DividendsCompanyAnnual PayoutDividend Yield3-Year Dividend GrowthPayout RatioYears of Consecutive GrowthALVRAlloVirN/AN/AN/AN/AN/AATNMActinium PharmaceuticalsN/AN/AN/AN/AN/ABLUEbluebird bioN/AN/AN/AN/AN/AKLRSKalaris TherapeuticsN/AN/AN/AN/AN/ACompare DebtCompanyDebt-to-Equity RatioCurrent RatioQuick RatioALVRAlloVirN/A86.7886.78ATNMActinium PharmaceuticalsN/A10.2510.25BLUEbluebird bio0.370.510.33KLRSKalaris TherapeuticsN/A14.3114.31Compare OwnershipInstitutional OwnershipCompanyInstitutional OwnershipALVRAlloVir66.05%ATNMActinium Pharmaceuticals27.50%BLUEbluebird bio87.43%KLRSKalaris Therapeutics66.05%Insider OwnershipCompanyInsider OwnershipALVRAlloVir32.07%ATNMActinium Pharmaceuticals6.00%BLUEbluebird bio1.40%KLRSKalaris Therapeutics74.99%Compare Miscellaneous StatsCompanyEmployeesShares OutstandingFree FloatOptionableALVRAlloVir1105.04 million3.43 millionOptionableATNMActinium Pharmaceuticals3031.20 million29.32 millionOptionableBLUEbluebird bio5209.79 million9.59 millionOptionableKLRSKalaris Therapeutics11018.70 million4.68 millionN/AALVR, ATNM, KLRS, and BLUE HeadlinesRecent News About These CompaniesBernstein Liebhard LLP Announces Proposed Class Action Settlement on Behalf of Purchasers of AlloVir, Inc. SecuritiesJune 5, 2025 | globenewswire.comKalaris to Present at Noble Capital Markets 2025 Emerging Growth Equity ConferenceJune 2, 2025 | globenewswire.comNew MarketBeat Followers Over TimeMedia Sentiment Over TimeALVR, ATNM, KLRS, and BLUE Company DescriptionsAlloVir NASDAQ:ALVR$2.39 -0.03 (-1.24%) As of 07/18/2025AlloVir, Inc. engages in the research, development and commercialization of off-the-shelf VST therapies to prevent and treat severe viral-associated diseases. It develops novel cell therapies with a focus on restoring natural immunity against life-threatening virus-associated diseases in patients with severely weakened immune systems. The firm's technology platforms deliver commercially scalable solutions by leveraging off-the-shelf, allogeneic, multi-virus specific T-cells targeting devastating viral pathogens for immunocompromised patients under viral attack. The company was founded by Malcolm K. Brenner, Juan F. Vera, Helen E. Heslop, Cliona M. Rooney, John R. Wilson, and Ann M. Leen in August 2013 and is headquartered in Waltham, MA.Actinium Pharmaceuticals NYSE:ATNM$1.71 +0.09 (+5.56%) Closing price 07/18/2025 04:00 PM EasternExtended Trading$1.77 +0.06 (+3.51%) As of 06:10 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 Polygon.io. Learn more.Actinium Pharmaceuticals, Inc. develops antibody radiation conjugates and other targeted radiotherapies intended to improve outcomes for people who have failed existing oncology therapies. Its Iomab-B is an induction and conditioning agent prior to bone marrow transplant in patients with relapsed and refractory acute myeloid leukemia (r/r AML). The company focuses on advancing its development for product candidate Actimab-A, a therapeutic agent that has demonstrated potential activity in r/r AML patients. In addition, it engages with the National Cancer Institute under the cooperative research and development agreement for the development of Actimab-A in AML and other myeloid malignancies. Its Iomab-ACT, a next generation conditioning candidate, is being developed for improving patient access and outcomes for curative cell and gene therapies. Further, the company's research and development activities primarily focus on advancing various preclinical programs for solid tumor indications. The company holds approximately 235 patents and patent applications, including various patents related to the manufacture of the isotope Ac-225 in a cyclotron. The company is based in New York, New York.bluebird 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.Kalaris Therapeutics NASDAQ:KLRS$2.39 -0.03 (-1.24%) As of 07/18/2025 04:00 PM EasternAllovir, Inc., a clinical-stage cell therapy company, engages in the research and development of allogeneic, off-the-shelf multi-virus specific T cell (VST) therapies to prevent and treat devastating viral-associated diseases. The company's lead product is posoleucel, an allogeneic, off-the-shelf VST therapy, to treat BK virus, cytomegalovirus, adenovirus, Epstein-Barr virus, human herpesvirus 6, and JC virus. Its preclinical and clinical development product candidates include ALVR106 for the respiratory syncytial virus, influenza, parainfluenza virus, and human metapneumovirus; ALVR109 to treat SARS-CoV-2 and COVID-19; ALVR107 for treating hepatitis B; and ALVR108. The company was formerly known as ViraCyte, Inc. and changed its name to Allovir, Inc. in May 2019. Allovir, Inc. was founded in 2013 and is based in Waltham, Massachusetts. 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