AnaptysBio (ANAB) Stock Chart & Stock Price History $34.63 +0.23 (+0.67%) Closing price 10/17/2025 04:00 PM EasternExtended Trading$34.63 0.00 (0.00%) As of 10/17/2025 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 Polygon.io. Learn more. Add Compare Share Share Chart Stock AnalysisAnalyst ForecastsChartCompetitorsEarningsFDA EventsFinancialsHeadlinesInsider TradesOptions ChainOwnershipSEC FilingsShort InterestTrendsBuy This Stock AnaptysBio Stock Price Performance The AnaptysBio (ANAB) stock chart highlights key performance trends across multiple timeframes. Over the last 12 months, the stock's price has decreased 1.00%, with a year-to-date return of 161.56%. In the past month, the stock has increased 66.17%, reflecting recent market activity. As of the latest close, AnaptysBio traded at $34.63 with a market cap of $969.64 million and volume of 309,539 shares. Five years ago, the stock traded at $25.67, representing a 34.90% increase over that period. At the time, it had a market cap of $700.89 million and a volume of 730,914 shares. Receive ANAB Stock News and Ratings via EmailSign-up to receive the latest news and ratings for AnaptysBio and its competitors with MarketBeat's FREE daily newsletter. Subscribe Now View SMS TermsBy 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. 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Read our full terms of service and privacy policy. 5 Day Performance+8.73%1 Month Performance+66.17%3 Month Performance+33.60%Year-To-Date Performance+161.56%1 Year Performance-1.00%5 Year Performance+34.90% ANAB Stock Chart for Sunday, October, 19, 2025 ANAB Chart by TradingView AnaptysBio Stock Price History Daily Weekly Monthly Yearly Time Frame Custom Range 1 Month 3 Months 6 Months Year-to-Date 1 Year 3 Year 5 Year Time Frame Start Date End Date Export to Excel DateOpening PriceClosing PriceHighLowVolumeMarket Capitalization10/17/2025$34.40$34.63+0.67%$35.40$33.11309,539 shs$969.64 million10/16/2025$34.29$34.40+0.32%$35.77$33.85296,383 shs$963.10 million10/15/2025$31.85$34.29+7.66%$34.42$31.55732,062 shs$960.12 million10/14/2025$32.46$31.85-1.88%$33.08$31.73236,112 shs$891.80 million10/13/2025$31.37$32.46+3.47%$33.97$32.02440,533 shs$908.78 million10/10/2025$31.77$31.37-1.26%$32.38$31.18212,119 shs$878.27 million10/09/2025$31.83$31.77-0.19%$32.54$31.23335,349 shs$889.56 million10/08/2025$29.87$31.83+6.56%$31.99$30.27673,621 shs$891.24 million10/07/2025$30.25$29.87-1.26%$31.31$29.48224,800 shs$836.27 million10/06/2025$30.94$30.25-2.23%$31.29$29.91258,041 shs$847 million Get the Latest News and Ratings for ANAB and Related StocksEnter your email address below to receive the latest news and analysts' ratings for AnaptysBio and its competitors with MarketBeat's FREE daily newsletter. 10/03/2025$31.34$30.94-1.28%$32.24$30.66353,578 shs$866.32 million10/02/2025$31.97$31.34-1.97%$32.15$30.00807,473 shs$877.52 million10/01/2025$30.62$31.97+4.41%$33.48$30.54828,397 shs$895.06 million09/30/2025$23.27$30.62+31.59%$32.50$25.003.75 million shs$857.36 million09/29/2025$23.58$23.27-1.31%$24.10$23.15470,839 shs$651.56 million09/26/2025$22.04$23.58+6.99%$23.99$20.79590,055 shs$660.24 million09/25/2025$22.14$22.04-0.45%$22.52$21.76391,366 shs$617.12 million09/24/2025$20.95$22.14+5.68%$23.59$21.00741,013 shs$619.92 million09/23/2025$21.40$20.95-2.10%$21.63$20.72353,551 shs$586.60 million09/22/2025$20.84$21.40+2.69%$21.58$20.49457,351 shs$599.20 million09/19/2025$21.08$20.84-1.14%$21.45$20.68679,572 shs$583.52 million09/18/2025$19.81$21.08+6.41%$21.23$19.66510,080 shs$554.62 million Related Companies ADMA Biologics Stock Chart ACADIA Pharmaceuticals Stock Chart Zai Lab Stock Chart uniQure Stock Chart CG Oncology Stock Chart Ascentage Pharma Group International Stock Chart Telix Pharmaceuticals Stock Chart Apellis Pharmaceuticals Stock Chart AMNEAL PHARMACEUTICALS Stock Chart Xenon Pharmaceuticals Stock Chart Receive ANAB Stock News and Ratings via EmailSign-up to receive the latest news and ratings for AnaptysBio and its competitors with MarketBeat's FREE daily newsletter. 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