NASDAQ:ALEC Alector (ALEC) Stock Price, News & Analysis $1.81 -0.05 (-2.69%) Closing price 10/2/2026 04:00 PM EasternExtended Trading$1.82 +0.01 (+0.50%) As of 10/2/2026 07:30 PM 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. Add Compare Share Share Stock Analysis Stock AnalysisAnalyst ForecastsChartCompetitorsEarningsFDA EventsFinancialsInsider TradesNews and TrendsOptions ChainOwnershipSEC FilingsShort Interest About Alector Stock (NASDAQ:ALEC) 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 Alector alerts:Sign Up Key Stats Today's Range$1.80▼$1.9750-Day Range$1.49▼$2.7252-Week Range$1.09▼$3.40Volume1.17 million shsAverage Volume1.31 million shsMarket Capitalization$202.10 millionP/E RatioN/ADividend YieldN/APrice Target$3.63Consensus RatingHold Company Overview Alector, Inc. is a clinical-stage biotechnology company focused on developing therapies for neurodegenerative diseases. The company uses its expertise in the immune system and neurobiology to investigate treatments designed to improve the brain’s ability to respond to disease and promote the removal or containment of harmful proteins and damaged cells. Alector’s pipeline has included investigational antibody therapies for conditions such as frontotemporal dementia, Alzheimer’s disease and other neurodegenerative disorders. Its lead programs have included latozinemab (AL001), an antibody being developed for frontotemporal dementia associated with progranulin deficiency, and AL002, an antibody targeting TREM2, a protein involved in microglial function. These candidates remain investigational and are not approved treatments. Founded in 2013 and headquartered in South San Francisco, California, Alector conducts research and clinical-development activities through collaborations and studies in multiple geographic regions. The company became publicly traded on the Nasdaq under the symbol ALEC in 2019. Alector was co-founded by Arnon Rosenthal, Ph.D., who has served as its chief executive officer, and its development programs have included partnerships with larger pharmaceutical companies.AI Generated. May Contain Errors. Read More Alector Stock Analysis - MarketRank™See Top-Rated MarketRank™ Stocks56th Percentile Overall ScoreALEC MarketRank™: Alector scored higher than 56% of companies evaluated by MarketBeat, and ranked 413th out of 888 stocks in the healthcare sector. Scores are calculated by averaging available category scores, with extra weight given to analysis and valuation. Analyst's Opinion3.3 / 5Analyst RatingHold Consensus RatingAlector has received a consensus rating of Hold. The company's average rating score is 2.13, and is based on no strong buy ratings, 3 buy ratings, 3 hold ratings, and 2 sell ratings.Upside PotentialAlector has a consensus price target of $3.63, representing about 100.3% upside from its current price of $1.81.Amount of Analyst CoverageAlector has only been the subject of 1 research reports in the past 90 days.Read more about Alector's stock forecast and price target. Earnings and Valuation0.6 / 5Proj. Earnings GrowthGrowing Earnings GrowthEarnings for Alector are expected to grow in the coming year, from ($0.87) to ($0.73) per share.Price to Earnings Ratio vs. the MarketThe P/E ratio of Alector is -1.65, 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 Alector is -1.65, which means that its earnings are negative and its P/E ratio cannot be compared to companies with positive earnings.Price to Book Value per Share RatioAlector has a P/B Ratio of 6.46. P/B Ratios above 3 indicate that a company could be overvalued with respect to its assets and liabilities.Read more about Alector's valuation and earnings. Short Interest3.0 / 5Short Interest LevelHealthy Percentage of Shares Shorted5.96% of the float of Alector has been sold short.Short Interest Ratio / Days to CoverAlector has a short interest ratio ("days to cover") of 3.34, which is generally considered an acceptable ratio of short interest to trading volume.Change versus previous monthShort interest in Alector has recently decreased by 0.98%, indicating that investor sentiment is improving. Dividend0.0 / 5Dividend StrengthN/A Dividend YieldAlector does not currently pay a dividend.Dividend GrowthAlector does not have a long track record of dividend growth. News and Social Media2.9 / 5News Sentiment0.67 News SentimentAlector has a news sentiment score of 0.67. 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 0.49 average news sentiment score of Healthcare companies.News Coverage This WeekMarketBeat has tracked 2 news articles for Alector this week, compared to 4 articles on an average week.Search Interest2 people have searched for ALEC on MarketBeat in the last 30 days. Company Ownership1.7 / 5Insider TradingSelling Shares Insider Buying vs. Insider SellingIn the past three months, Alector insiders have sold more of their company's stock than they have bought. Specifically, they have bought $0.00 in company stock and sold $295,633.00 in company stock.Percentage Held by Insiders8.30% of the stock of Alector is held by insiders.Percentage Held by Institutions85.83% of the stock of Alector is held by institutions. High institutional ownership can be a signal of strong market trust in this company.Read more about Alector's insider trading history. 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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. ALEC Stock News HeadlinesAlector, Inc. (NASDAQ:ALEC) Stock Has Average Target Price of $3.62 According to BrokeragesOctober 2 at 2:15 AM | americanbankingnews.comAlector, Inc. (ALEC) Presents at Morgan Stanley 24th Annual Global Healthcare Conference TranscriptSeptember 15, 2026 | seekingalpha.comLouis Navellier: My #1 AI stock for 2026 (name & ticker inside)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. | InvestorPlace (Ad)Alector, Inc. (ALEC) Presents at 12th Annual Cantor Fitzgerald Global Healthcare Conference Prepared Remarks TranscriptSeptember 15, 2026 | seekingalpha.comAlector (NASDAQ:ALEC) Insider Sells $13,790.55 in StockSeptember 5, 2026 | insidertrades.comAlector to Participate in Upcoming Healthcare ConferencesSeptember 3, 2026 | globenewswire.comAlector, Inc. (ALEC) Stock Earnings Call Transcripts - Yahoo FinanceSeptember 2, 2026 | finance.yahoo.comAlector, Inc. (ALEC) Latest Press Releases & Corporate News - Yahoo FinanceAugust 26, 2026 | finance.yahoo.comSee More Headlines ALEC Stock Analysis - Frequently Asked Questions How have ALEC shares performed this year? Alector's stock was trading at $1.56 at the start of the year. Since then, ALEC shares have increased by 16.0% and is now trading at $1.81. How were Alector's earnings last quarter? Alector, Inc. (NASDAQ:ALEC) announced its quarterly earnings data on Thursday, August, 6th. The company reported ($0.21) EPS for the quarter, topping analysts' consensus estimates of ($0.23) by $0.02. The business had revenue of $3.32 million for the quarter, compared to analyst estimates of $1.71 million. Alector had a negative net margin of 850.13% and a negative trailing twelve-month return on equity of 531.03%. Does Alector have any subsidiaries? Alector subsidiaries include these companies: Alector LLC. When did Alector IPO? Alector (ALEC) raised $176 million in an initial public offering (IPO) on Thursday, February 7th 2019. The company issued 9,250,000 shares at $18.00-$20.00 per share. Morgan Stanley, BofA Merrill Lynch, Cowen and Barclays served as the underwriters for the IPO. How do I buy shares of Alector? Shares of ALEC 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. What other stocks do shareholders of Alector own? Based on aggregate information from My MarketBeat watchlists, some other companies that Alector investors own include NVIDIA (NVDA), Advanced Micro Devices (AMD), Enovix (ENVX), Meta Platforms (META), Rambus (RMBS), Saia (SAIA) and Tesla (TSLA). Company Calendar Last Earnings8/06/2026Today10/02/2026Next Earnings (Estimated)11/05/2026Fiscal Year End12/31/2026Get Stock Alerts Health Indicator TradeSmith's Health IndicatorA long-term volatility-based measure designed for securities held 12 months or longer.Green: Strong and healthy uptrend with normal pullbacks.Yellow: Significant pullback but still within expected volatility.Red: Dropped beyond expected volatility; considered unhealthy. Green Zone (1m+) 1-Year History Oct 25 Jan 26 Apr 26 Jul 26 Oct 26 ALEC's financial health is in the Green zone, according to TradeSmith. ALEC has been in this zone for over one month. Industry, Sector and Symbol Stock ExchangeNASDAQ SectorHealthcare Industry Biotechnology Sub-IndustryBiotechnology Current SymbolNASDAQ:ALEC CIK1653087 Webwww.alector.com Phone(415) 231-5660FaxN/AEmployees103Year Founded2013Price Target and Rating Average Price Target for Alector$3.63 High Price Target$6.00 Low Price Target$1.50 Potential Upside/Downside+100.3%Consensus RatingHold Rating Score (0-4)2.13 Research Coverage8 Analysts Profitability EPS (Trailing Twelve Months)($1.10) Trailing P/E RatioN/A Forward P/E RatioN/A P/E GrowthN/ANet Income-$142.93 million Net Margins-850.13% Pretax Margin-847.98% Return on Equity-531.03% Return on Assets-44.00% Debt Debt-to-Equity Ratio0.80 Current Ratio5.26 Quick Ratio5.26 Sales & Book Value Annual Sales$21.05 million Price / Sales9.60 Cash FlowN/A Price / Cash FlowN/A Book Value$0.28 per share Price / Book6.46Miscellaneous Outstanding Shares111,660,000Free Float102,389,000Market Cap$202.10 million OptionableOptionable Beta0.62 Social Links 7 Energy Stocks to Buy and Hold ForeverWith the proliferation of data centers and electric vehicles, the electric grid will only get more strained. 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