Prothena (PRTA) Stock Chart & Stock Price History → This military-backed stock “owns” AI market (From Porter & Company) (Ad) Free PRTA Stock Alerts $20.81 +0.60 (+2.97%) (As of 05/31/2024 ET) Add Compare Share Share ChartStock AnalysisAnalyst ForecastsChartCompetitorsEarningsFinancialsHeadlinesInsider TradesOptions ChainOwnershipSEC FilingsShort InterestTrendsStock AnalysisAnalyst ForecastsChartCompetitorsEarningsFinancialsHeadlinesInsider TradesOptions ChainOwnershipSEC FilingsShort InterestTrends Prothena Stock Price Performance5 Day Performance+4.31%1 Month Performance-5.58%3 Month Performance-27.06%6 Month Performance-40.36%Year-To-Date Performance-42.74%1 Year Performance-69.84% Receive PRTA Stock News and Ratings via Email Sign-up to receive the latest news and ratings for Prothena and its competitors with MarketBeat's FREE daily newsletter Email Address Ad Wealthpin ProAre You Positioned For The New Energy Goldrush?Open AI’s Sam Altman recently helped this company raise $577 million in funding… What’s more is, It has already inked deals with the Department of Energy.Click here to get all the information about it. PRTA Stock Chart for Sunday, June, 2, 2024 PRTA Chart by TradingView Prothena Share Price History Daily Weekly Monthly Time Frame Custom Range 1 Month 3 Months 6 Months Year-to-Date 1 Year Time Frame * Start Date * End Date Export to Excel DateOpening PriceClosing PriceHighLowVolumeMarket Capitalization05/31/2024$20.21$20.81+2.97%$21.28$20.09624,498 shs$1.12 billion05/30/2024$19.68$20.21+2.69%$20.30$19.55462,739 shs$1.09 billion05/29/2024$19.95$19.68-1.35%$20.14$19.52454,634 shs$1.06 billion05/28/2024$20.04$19.95-0.45%$20.54$19.78583,739 shs$1.07 billion05/27/2024$20.04$20.04$20.34$19.89333,000 shs$1.08 billion05/24/2024$20.10$20.04-0.30%$20.34$19.89333,008 shs$1.08 billion Get the Latest News and Ratings for PRTA and Related StocksEnter your email address below to receive the latest news and analysts' ratings for Prothena and its competitors with MarketBeat's FREE daily newsletter. 05/23/2024$21.59$20.10-6.90%$21.66$19.78584,359 shs$1.08 billion05/22/2024$21.65$21.59-0.28%$22.22$21.34370,817 shs$1.16 billion05/21/2024$22.63$21.65-4.33%$22.62$21.25289,960 shs$1.16 billion05/20/2024$22.52$22.63+0.49%$22.91$22.23245,345 shs$1.22 billion05/17/2024$23.39$22.52-3.72%$23.62$22.37423,160 shs$1.21 billion05/16/2024$22.39$23.39+4.47%$23.49$21.79493,717 shs$1.26 billion05/15/2024$20.68$22.39+8.27%$22.44$20.98454,586 shs$1.20 billion05/14/2024$20.71$20.68-0.14%$21.91$20.31501,929 shs$1.11 billion05/13/2024$21.34$20.71-2.95%$21.83$20.65745,608 shs$1.11 billion05/10/2024$22.00$21.34-3.00%$22.90$21.31454,300 shs$1.15 billion05/09/2024$23.03$22.00-4.47%$22.79$21.09634,713 shs$1.18 billion05/08/2024$23.54$23.03-2.17%$23.87$22.70629,432 shs$1.24 billion05/07/2024$23.74$23.54-0.84%$24.20$23.29559,154 shs$1.26 billion05/06/2024$22.93$23.74+3.53%$24.03$22.90519,569 shs$1.28 billion05/03/2024$22.04$22.93+4.04%$23.70$22.74653,661 shs$1.23 billion05/02/2024$21.42$22.04+2.89%$22.40$21.51530,194 shs$1.18 billion05/01/2024$20.34$21.42+5.31%$22.00$20.26708,995 shs$1.15 billion04/30/2024$21.19$20.34-4.01%$21.19$20.26530,345 shs$1.09 billion04/29/2024$20.87$21.19+1.53%$22.09$20.91600,639 shs$1.14 billion04/26/2024$20.56$20.87+1.51%$21.18$20.34369,975 shs$1.12 billion04/25/2024$20.56$20.56$20.67$19.65496,352 shs$1.10 billion04/24/2024$20.56$20.56$20.88$20.32341,791 shs$1.10 billion04/23/2024$21.29$20.56-3.43%$21.70$20.44442,704 shs$1.10 billion04/22/2024$21.16$21.29+0.61%$21.79$20.87356,639 shs$1.14 billion04/19/2024$20.57$21.16+2.87%$21.18$20.42508,532 shs$1.14 billion04/18/2024$21.00$20.57-2.05%$21.26$20.44567,688 shs$1.11 billion04/17/2024$21.34$21.00-1.59%$21.70$20.95465,510 shs$1.13 billion04/16/2024$21.99$21.34-2.96%$22.14$21.06479,715 shs$1.15 billion04/15/2024$22.24$21.99-1.12%$22.44$21.59530,668 shs$1.18 billion04/12/2024$23.28$22.24-4.47%$23.30$21.92526,230 shs$1.19 billion04/11/2024$22.82$23.28+2.02%$23.99$22.21599,106 shs$1.25 billion04/10/2024$23.54$22.82-3.06%$22.93$21.90528,120 shs$1.23 billion04/09/2024$23.68$23.54-0.59%$24.08$22.93464,441 shs$1.26 billion04/08/2024$23.37$23.68+1.33%$24.07$23.39301,269 shs$1.27 billionDo This Before July 30 2024 To Claim Trump’s Gift (Ad)In January 2021, Donald Trump silently rolled out a special gift to the American public… One that top house republicans called “The Key To America’s Economic Future”.You just have to make this simple move before July 30, 2024.04/05/2024$23.26$23.37+0.47%$23.82$22.23471,664 shs$1.26 billion04/04/2024$24.26$23.26-4.12%$25.12$22.88760,812 shs$1.25 billion04/03/2024$23.95$24.26+1.29%$24.36$23.23614,986 shs$1.30 billion04/02/2024$26.15$23.95-8.41%$25.36$23.89776,386 shs$1.29 billion04/01/2024$24.77$26.15+5.57%$26.36$24.52616,646 shs$1.40 billion03/29/2024$24.77$24.77$25.34$24.25803,163 shs$1.33 billion03/28/2024$25.16$24.77-1.55%$25.34$24.29803,163 shs$1.33 billion03/27/2024$24.75$25.16+1.66%$25.57$24.46612,086 shs$1.35 billion03/26/2024$25.40$24.75-2.56%$25.87$24.53612,779 shs$1.33 billion03/25/2024$25.92$25.40-2.01%$26.27$24.71393,071 shs$1.36 billion03/22/2024$25.59$25.92+1.29%$26.37$25.18942,937 shs$1.39 billion03/21/2024$25.51$25.59+0.31%$26.45$25.28463,594 shs$1.37 billion03/20/2024$25.09$25.51+1.67%$25.86$24.47423,130 shs$1.37 billion03/19/2024$25.09$25.09$25.59$24.81419,556 shs$1.35 billion03/18/2024$26.07$25.09-3.76%$26.75$24.62689,827 shs$1.35 billion03/15/2024$26.48$26.07-1.55%$26.75$25.941.54 million shs$1.40 billion03/14/2024$28.60$26.48-7.41%$28.53$26.24669,692 shs$1.42 billion03/13/2024$27.54$28.60+3.85%$29.00$27.53489,640 shs$1.54 billion03/12/2024$28.06$27.54-1.85%$28.24$27.05481,789 shs$1.48 billion03/11/2024$30.22$28.06-7.15%$30.85$27.89568,771 shs$1.51 billion03/08/2024$29.30$30.22+3.14%$30.51$29.43366,940 shs$1.62 billion03/07/2024$29.34$29.30-0.14%$29.68$29.10390,080 shs$1.57 billion03/06/2024$28.35$29.34+3.49%$29.44$28.55412,554 shs$1.58 billion03/05/2024$28.32$28.35+0.11%$28.57$27.52328,382 shs$1.52 billion03/04/2024$28.53$28.32-0.74%$29.33$27.83338,043 shs$1.52 billion03/01/2024$27.59$28.53+3.41%$28.92$27.69607,073 shs$1.53 billion Related Companies: Dynavax Technologies Stock Chart UroGen Pharma Stock Chart Akebia Therapeutics Stock Chart Puma Biotechnology Stock Chart Marinus Pharmaceuticals Stock Chart Alpine Immune Sciences Stock Chart Nuvalent Stock Chart Alkermes Stock Chart Perrigo Stock Chart Crinetics Pharmaceuticals Stock Chart Receive PRTA Stock News and Ratings via EmailSign-up to receive the latest news and ratings for Prothena and its competitors with MarketBeat's FREE daily newsletter. 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