This company has been marked as potentially delisted and may not be actively trading. NASDAQ:ACHN Achillion Pharmaceuticals (ACHN) Stock Price, News & Analysis Add Compare Share Share Stock Analysis Stock AnalysisBuy This Stock About Achillion Pharmaceuticals Stock (NASDAQ:ACHN) 30 days 90 days 365 days Advanced Chart Get ACHN alerts:Sign Up Key Stats Today's Range$6.76▼$6.7650-Day Range$6.76▼$6.7652-Week Range$2.06▼$7.01VolumeN/AAverage Volume8.44 million shsMarket Capitalization$946.72 millionP/E RatioN/ADividend YieldN/APrice TargetN/AConsensus RatingN/A Company Overview Achillion Pharmaceuticals, Inc., a clinical-stage biopharmaceutical company, discovers, develops, and commercializes small molecule drug therapies for immune system disorders. Its lead drug candidate is ACH-4471, an inhibitor of factor D that is Phase II clinical trials for patients with paroxysmal nocturnal hemoglobinuria (PNH) and C3 glomerulopathy/immune complex membranoproliferative glomerulonephritis. The company is also developing ACH-5228, a factor D inhibitor that is in Phase I clinical trials; and ACH-5548, a factor D inhibitor, which is in Phase I clinical trials for the treatment of PNH and other complement mediated diseases. It has license agreements with Ora, Inc. for the development and commercialization of ACH-702; and GCA Therapeutics, Ltd for elvucitabine, a nucleoside reverse transcriptase inhibitor for the treatment of hepatitis B infection and human immunodeficiency virus infection. The company was founded in 1998 and is based in New Haven, Connecticut. Read More Receive ACHN Stock News and Ratings via Email Sign-up to receive the latest news and ratings for Achillion Pharmaceuticals and its competitors with MarketBeat's FREE daily newsletter. Email Address ACHN Stock News HeadlinesKim P. Kamdar's Net WorthMarch 30, 2024 | benzinga.comLexicon Pharmaceuticals (NASDAQ: LXRX)May 20, 2023 | fool.com9 AI Stocks Set to Soar Amid U.S.-China Trade TensionsThe escalating U.S.-China trade tensions are reshaping the AI landscape. Companies like Nvidia are facing significant revenue hits with the U.S. imposing new export restrictions on advanced AI chips to China. This shift opens doors for U.S.-based AI companies poised to fill the gap.August 23 at 2:00 AM | StockEarnings (Ad)Gilead Sciences Buying Achillion Was Twitter Speculation at Its FinestFebruary 19, 2023 | thestreet.comACHN_old Historical DataSeptember 18, 2022 | investing.comWhy Achillion Pharmaceuticals (ACHN) Stock Is Up in After-Hours Trading TodayJanuary 13, 2022 | thestreet.comJim Cramer's 'Mad Money' Recap: Here's Next Week's Game PlanJanuary 12, 2022 | thestreet.comSee More Headlines ACHN Stock Analysis - Frequently Asked Questions How were Achillion Pharmaceuticals' earnings last quarter? Achillion Pharmaceuticals, Inc. (NASDAQ:ACHN) posted its earnings results on Thursday, November, 7th. The biopharmaceutical company reported ($0.14) EPS for the quarter, beating analysts' consensus estimates of ($0.16) by $0.02. What other stocks do shareholders of Achillion Pharmaceuticals own? Based on aggregate information from My MarketBeat watchlists, some other companies that Achillion Pharmaceuticals investors own include Chesapeake Energy (CHKAQ), Skyworks Solutions (SWKS), Madrigal Pharmaceuticals (MDGL), Noble (NEBLQ), Gilead Sciences (GILD), Eiger BioPharmaceuticals (EIGR) and Meta Platforms (META). Company Calendar Last Earnings11/07/2019Today8/23/2025Get Stock AlertsIndustry, Sector and Symbol Stock ExchangeNASDAQ SectorMedical Industry Pharmaceutical Preparations Sub-IndustryBiotechnology Current SymbolNASDAQ:ACHN CIK1070336 Webwww.achillion.com Phone203-624-7000FaxN/AEmployees56Year FoundedN/AProfitability EPS (Trailing Twelve Months)($0.51) Trailing P/E RatioN/A Forward P/E RatioN/A P/E GrowthN/ANet Income-$70.27 million Net MarginsN/A Pretax MarginN/A Return on Equity-30.95% Return on Assets-29.09% Debt Debt-to-Equity Ratio0.01 Current Ratio8.96 Quick Ratio8.96 Sales & Book Value Annual SalesN/A Price / SalesN/A Cash FlowN/A Price / Cash FlowN/A Book Value$1.92 per share Price / Book3.52Miscellaneous Outstanding Shares140,047,000Free FloatN/AMarket Cap$946.72 million OptionableOptionable Beta1.59 Options Trading Made Easy - Download NowLearn the basics of options trading and how to use them to boost returns and manage risk with this free report from MarketBeat. Click the link below to get your free copy.Get This Free Report This page (NASDAQ:ACHN) was last updated on 8/23/2025 by MarketBeat.com Staff From Our PartnersBONUS GUIDE - Ben Stein Prepares For the Next Financial CrisisWith inflation high, debt soaring, and global tensions rising, a financial storm may be brewing. Economist ...Goldco Precious Metals | SponsoredAlex’s “Next Magnificent Seven” stocksThe original “Magnificent Seven” turned $7K into $1.18 million. Now, Alex Green has identified AI’s Next Ma...The Oxford Club | SponsoredElon’s Secret Social Security BombshellTo All Americans Born Before April 16th, 1963: Did Trump Just Give The Green Light To Radically RE-DO Social S...Banyan Hill Publishing | SponsoredThe $7 company helping Nvidia build the world’s first trillion-dollar robot …Michael Robinson has been at the forefront of the technology market for over 40 years. 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