NASDAQ:SPTX Seaport Therapeutics (SPTX) Stock Price, News & Analysis $21.52 +0.40 (+1.89%) As of 09/25/2026 04:00 PM Eastern Add Compare Share Share Stock Analysis Stock AnalysisAnalyst ForecastsChartCompetitorsEarningsInsider TradesNews and TrendsOwnershipSEC FilingsShort Interest About Seaport Therapeutics Stock (NASDAQ:SPTX) View Price History Chart DataSkip Price History Chart 1 Day 5 Days 30 Days 90 Days 1 Year Advanced 1 Day 1 Day 5 Days 30 Days 90 Days 1 Year Advanced Show volume Show extended hours Get Seaport Therapeutics alerts:Sign Up Key Stats Today's Range$21.45▼$22.4450-Day Range$19.74▼$27.8452-Week Range$14.85▼$28.38Volume192,796 shsAverage Volume254,434 shsMarket Capitalization$1.15 billionP/E RatioN/ADividend YieldN/APrice Target$38.57Consensus RatingModerate Buy Company Overview Seaport Therapeutics is a clinical-stage biopharmaceutical company focused on developing medicines for central nervous system (CNS) disorders. The company is working to advance treatments for conditions in areas such as psychiatry and neurology, with the goal of addressing significant limitations associated with existing therapies. Seaport’s drug-development efforts are supported by its proprietary Glyph platform, which is designed to enable oral delivery of therapeutics that have historically required injection or infusion. The platform is intended to improve the convenience and potential clinical utility of certain medicines, while supporting the development of a pipeline of novel CNS treatments. Seaport Therapeutics was established with backing from PureTech Health and is led by Chief Executive Officer Daphne Zohar. The company is headquartered in the United States and is conducting research and clinical development aimed at serving patients with CNS disorders in the U.S. and other global markets.AI Generated. May Contain Errors. Read More Seaport Therapeutics Stock Analysis - MarketRank™See Top-Rated MarketRank™ Stocks71st Percentile Overall ScoreSPTX MarketRank™: Seaport Therapeutics scored higher than 71% of companies evaluated by MarketBeat, and ranked 251st out of 907 stocks in the healthcare sector. Scores are calculated by averaging available category scores, with extra weight given to analysis and valuation. Analyst's Opinion4.3 / 5Analyst RatingModerate Buy Consensus RatingSeaport Therapeutics has received a consensus rating of Moderate Buy. The company's average rating score is 2.50, and is based on 1 strong buy rating, 6 buy ratings, 3 hold ratings, and 2 sell ratings.Upside PotentialSeaport Therapeutics has a consensus price target of $38.57, representing about 79.2% upside from its current price of $21.52.Amount of Analyst CoverageSeaport Therapeutics has been the subject of 5 research reports in the past 90 days, demonstrating strong analyst interest in this stock.Read more about Seaport Therapeutics' stock forecast and price target. Earnings and Valuation0.6 / 5Proj. Earnings GrowthGrowing Earnings GrowthEarnings for Seaport Therapeutics are expected to grow in the coming year, from ($4.60) to ($2.95) per share.Price to Earnings Ratio vs. the MarketThe P/E ratio of Seaport Therapeutics is -1.78, which means that its earnings are negative and its P/E ratio cannot be compared to companies with positive earnings.Price to Earnings Ratio vs. SectorThe P/E ratio of Seaport Therapeutics is -1.78, which means that its earnings are negative and its P/E ratio cannot be compared to companies with positive earnings. Short Interest1.0 / 5Short Interest LevelBearish Percentage of Shares Shorted5.88% of the float of Seaport Therapeutics has been sold short.Short Interest Ratio / Days to CoverSeaport Therapeutics has a short interest ratio ("days to cover") of 20.69, which indicates bearish sentiment.Change versus previous monthShort interest in Seaport Therapeutics has recently decreased by 0.11%, indicating that investor sentiment is improving. Dividend0.0 / 5Dividend StrengthN/A Dividend YieldSeaport Therapeutics does not currently pay a dividend.Dividend GrowthSeaport Therapeutics does not have a long track record of dividend growth. News and Social Media4.0 / 5News Sentiment1.46 News SentimentSeaport Therapeutics has a news sentiment score of 1.46. This score is calculated as an average of sentiment of articles about the company over the last seven days and ranges from 2 (good news) to -2 (bad news). This is a higher news sentiment than the 0.72 average news sentiment score of Healthcare companies.News Coverage This WeekMarketBeat has tracked 5 news articles for Seaport Therapeutics this week, compared to 3 articles on an average week.Search Interest17 people have searched for SPTX on MarketBeat in the last 30 days. This is an increase of 750% compared to the previous 30 days. Company OwnershipN/AInsider TradingN/A Insider Buying vs. Insider SellingIn the past three months, Seaport Therapeutics insiders have not sold or bought any company stock.Percentage Held by InstitutionsSeaport Therapeutics has minimal institutional ownership at this time.Read more about Seaport Therapeutics' insider trading history. Receive SPTX Stock News and Ratings via Email Sign-up to receive the latest news and ratings for Seaport Therapeutics and its competitors with MarketBeat's FREE daily newsletter. Submit View SMS TermsSMS is currently available in Australia, Belgium, Canada, France, Germany, Ireland, Italy, New Zealand, the Netherlands, Singapore, South Africa, Spain, Switzerland, the United Kingdom, and the United States. By entering your phone number and clicking the sign-up button, you agree to receive periodic text messages from MarketBeat at the phone number you submitted, including texts that may be sent using an automatic telephone dialing system. Message and data rates may apply. Message frequency will vary. Messages will consist of stock alerts, news stories, and partner advertisements/offers. Consent is not a condition of the purchase of any goods or services. Text HELP for help/customer support. Unsubscribe at any time by replying "STOP" to any text message that you receive from MarketBeat or by visiting our mailing preferences page. Read our full terms of service and privacy policy. SPTX Stock News HeadlinesRaymond James initiates coverage of Seaport Therapeutics at strong buySeptember 26 at 8:20 AM | msn.comSeaport Therapeutics to Participate in September Investor ConferencesSeptember 14, 2026 | finance.yahoo.comThis free guide explains options the way they should be taughtMost options educators jump straight into Greeks, spreads, and implied volatility - losing beginners before they ever place a trade. This free guide from Base Camp Trading takes a different approach, starting with the basics and showing you exactly how options work, why traders use them, and how they fit into a simple trading plan.September 26 at 1:00 AM | Base Camp Trading (Ad)Seaport Therapeutics to Participate in September Investor ConferencesSeptember 14, 2026 | businesswire.comSeaport Therapeutics Says GlyphAllo Shows no Next-Morning Driving Impairment in Phase 1 TrialSeptember 9, 2026 | finance.yahoo.comSeaport Therapeutics Reports Positive Topline Results From Phase 1 Driving Simulation Trial Of GlyphAllo In Healthy VolunteersSeptember 9, 2026 | marketscreener.comMSeaport Reports Positive GlyphAllo Driving Trial Results In Healthy VolunteersSeptember 9, 2026 | rttnews.comPureTech Founded Entity Seaport Therapeutics Reports Positive Topline Results from Phase 1 Driving Simulation Trial of GlyphAllo™ in Healthy VolunteersSeptember 9, 2026 | businesswire.comSee More Headlines SPTX Stock Analysis - Frequently Asked Questions How have SPTX shares performed this year? Seaport Therapeutics' stock was trading at $19.84 on April 30, 2026. Since then, SPTX stock has increased by 8.5% and is now trading at $21.52. How were Seaport Therapeutics' earnings last quarter? Seaport Therapeutics, Inc. (NASDAQ:SPTX) issued its quarterly earnings data on Monday, August, 3rd. The company reported ($1.78) EPS for the quarter, missing the consensus estimate of ($0.71) by $1.07. When did Seaport Therapeutics IPO? Seaport Therapeutics (SPTX) raised $241 million in an initial public offering on Friday, May 1st 2026. The company issued 14,160,000 shares at a price of $16.00-$18.00 per share. When does the company's lock-up period expire? Seaport Therapeutics's lock-up period expires on Wednesday, October 28th. Seaport Therapeutics had issued 14,160,000 shares in its public offering on May 1st. The total size of the offering was $254,880,000 based on an initial share price of $18.00. After the end of the company's lock-up period, restrictions preventing major shareholders and company insiders from selling shares in the company will be lifted. Who are Seaport Therapeutics' major shareholders? Seaport Therapeutics' top institutional shareholders include TRV GP VI LLC (3.85%), Braidwell LP (0.93%), Citadel Advisors LLC (0.36%) and The Manufacturers Life Insurance Company (0.15%). Insiders that own company stock include Arch Venture Partners Xii, Llc and Robert J Hombach. View institutional ownership trends. How do I buy shares of Seaport Therapeutics? Shares of SPTX stock can be purchased through any online brokerage account. Popular online brokerages with access to the U.S. stock market include Charles Schwab, E*TRADE, Fidelity, and Vanguard Brokerage Services. Company Calendar Last Earnings8/03/2026Today9/26/2026Fiscal Year End12/31/2026Get Stock AlertsIndustry, Sector and Symbol Stock ExchangeNASDAQ SectorHealthcare Industry Pharmaceuticals Sub-IndustryPharmaceuticals Current SymbolNASDAQ:SPTX CIK2042347 Webwww.seaporttx.com Phone617-807-4062FaxN/AEmployees58Year FoundedN/APrice Target and Rating Average Price Target for Seaport Therapeutics$38.57 High Price Target$50.00 Low Price Target$30.00 Potential Upside/Downside+79.2%Consensus RatingModerate Buy Rating Score (0-4)2.50 Research Coverage12 Analysts Profitability EPS (Trailing Twelve Months)N/A Trailing P/E RatioN/A Forward P/E RatioN/A P/E GrowthN/ANet IncomeN/A Net MarginsN/A Pretax MarginN/A Return on EquityN/A Return on AssetsN/A Debt Debt-to-Equity RatioN/A Current Ratio18.00 Quick Ratio18.00 Sales & Book Value Annual SalesN/A Price / SalesN/A Cash FlowN/A Price / Cash FlowN/A Book ValueN/A Price / BookN/AMiscellaneous Outstanding Shares53,530,000Free FloatN/AMarket Cap$1.15 billion OptionableN/A BetaN/A 7 Stocks to Buy Before the Robotics RevolutionRobotics and automation are rapidly becoming essential infrastructure across healthcare, manufacturing, logistics, and many other industries. "Physical AI" is coming. Learn which seven companies are most positioned to benefit as intelligent robots enter the workforce.Get This Free Report This page (NASDAQ:SPTX) was last updated on 9/26/2026 by MarketBeat.com Staff. From Our PartnersA letter from Shannon StansberryPorter Stansberry nearly canceled the entire project. When he first saw the claimed returns - only one down ye...Porter & Company | SponsoredI'm giving you a space stock today. Free.On December 8th, $600 billion in frozen SpaceX stock comes loose. Dylan Jovine says one simple purchase in any...Behind the Markets | SponsoredMajor Buy Alert Issued for September 30thKeith Kaplan has invested $17 million into his own AI research tools, building a platform now used by 180,000 ...TradeSmith | SponsoredHere’s Why Trump Won’t End The Iran WarTrump has called an Iran deal close 38 times since the war began, yet the fighting keeps flaring back up. O...Banyan Hill Publishing | Sponsored6 Elon Musk companies. 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