Phathom Pharmaceuticals (PHAT) Stock Chart & Stock Price History $3.90 -0.48 (-10.96%) Closing price 04:00 PM EasternExtended Trading$3.78 -0.12 (-2.95%) As of 07:03 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 ForecastsChartCompetitorsEarningsFinancialsHeadlinesInsider TradesOptions ChainOwnershipSEC FilingsShort InterestTrendsBuy This Stock Phathom Pharmaceuticals Stock Price Performance The Phathom Pharmaceuticals (PHAT) stock chart highlights key performance trends across multiple timeframes. Over the last 12 months, the stock's price has decreased 63.65%, with a year-to-date return of -51.97%. In the past month, the stock has remained steady at 0.00%, reflecting recent market activity. As of the latest close, Phathom Pharmaceuticals traded at $4.38 with a market cap of $305.79 million and volume of 790,721 shares. Five years ago, the stock traded at $38.32, representing a 89.82% decrease over that period. At the time, it had a market cap of $1.01 billion and a volume of 52,500 shares. Receive PHAT Stock News and Ratings via EmailSign-up to receive the latest news and ratings for Phathom Pharmaceuticals and its competitors with MarketBeat's FREE daily newsletter. Email Address 5 Day Performance-4.65%1 Month Performance0.00%3 Month Performance-31.22%Year-To-Date Performance-51.97%1 Year Performance-63.65%5 Year Performance-89.82% PHAT Stock Chart for Wednesday, May, 21, 2025 PHAT Chart by TradingView Phathom Pharmaceuticals 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 Capitalization05/21/2025$4.38$3.90-10.96%$4.36$3.691.18 million shs$272.28 million05/20/2025$4.39$4.38-0.23%$4.49$4.16790,721 shs$305.79 million05/19/2025$4.09$4.39+7.33%$4.49$4.021.70 million shs$306.48 million05/16/2025$3.48$4.09+17.53%$4.14$3.531.92 million shs$285.54 million05/15/2025$3.25$3.48+7.08%$3.57$3.101.23 million shs$242.95 million05/14/2025$3.31$3.25-1.81%$3.65$3.202.07 million shs$226.90 million05/13/2025$3.15$3.31+5.08%$3.34$3.021.17 million shs$231.08 million05/12/2025$3.14$3.15+0.32%$3.39$2.822.88 million shs$219.91 million05/09/2025$2.29$3.14+37.12%$3.78$2.3312.62 million shs$219.22 million05/08/2025$2.40$2.29-4.58%$2.49$2.211.91 million shs$159.49 million Get the Latest News and Ratings for PHAT and Related StocksEnter your email address below to receive the latest news and analysts' ratings for Phathom Pharmaceuticals and its competitors with MarketBeat's FREE daily newsletter. 05/07/2025$2.40$2.40$2.54$2.382.11 million shs$167.16 million05/06/2025$2.58$2.40-6.98%$2.66$2.382.35 million shs$167.16 million05/05/2025$2.76$2.58-6.52%$2.82$2.562.56 million shs$179.69 million05/02/2025$3.36$2.76-17.86%$3.40$2.714.68 million shs$192.23 million05/01/2025$4.29$3.36-21.68%$4.04$3.075.52 million shs$234.02 million04/30/2025$4.36$4.29-1.61%$4.36$4.141.18 million shs$298.79 million04/29/2025$4.15$4.36+5.06%$4.45$4.06790,085 shs$303.67 million04/28/2025$4.11$4.15+0.97%$4.29$4.06841,970 shs$288.99 million04/25/2025$4.12$4.11-0.24%$4.13$3.96874,202 shs$286.21 million04/24/2025$4.02$4.12+2.49%$4.17$3.97920,778 shs$279.94 million04/23/2025$3.96$4.02+1.52%$4.40$3.981.04 million shs$279.94 million04/22/2025$3.90$3.96+1.54%$4.03$3.871.07 million shs$275.76 million04/21/2025$4.03$3.90-3.23%$4.16$3.871.19 million shs$271.58 million Related Companies Pharvaris Stock Price Chart Ardelyx Stock Price Chart Zymeworks Stock Price Chart LENZ Therapeutics Stock Price Chart CureVac Stock Price Chart CorMedix Stock Price Chart Chimerix Stock Price Chart Avid Bioservices Stock Price Chart Cronos Group Stock Price Chart Praxis Precision Medicines Stock Price Chart Receive PHAT Stock News and Ratings via EmailSign-up to receive the latest news and ratings for Phathom Pharmaceuticals and its competitors with MarketBeat's FREE daily newsletter. 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