Prothena (PRTA) News Today $14.41 +0.01 (+0.07%) (As of 10:31 AM ET) Add Compare Share Share Headlines Stock AnalysisAnalyst ForecastsChartCompetitorsEarningsFinancialsHeadlinesInsider TradesOptions ChainOwnershipSEC FilingsShort InterestTrends All Sources Trusted Sources MarketBeat.com Benzinga Bloomberg GuruFocus MarketWatch Motley Fool NASDAQ PR Newswire Reuters Seeking Alpha The Street TipRanks The Wall Street Journal Yahoo Finance Source Sentiment refers to the positivity or negativity of each headline according to our language processing algorithm. Sentiment All Sentiments Very Positive Positive Neutral Negative Very Negative Most Recent November 2024 October 2024 September 2024 August 2024 July 2024 June 2024 May 2024 April 2024 March 2024 February 2024 January 2024 December 2023 November 2023 October 2023 September 2023 August 2023 July 2023 June 2023 May 2023 April 2023 March 2023 February 2023 January 2023 December 2022 November 2022 October 2022 September 2022 August 2022 July 2022 June 2022 May 2022 April 2022 March 2022 February 2022 January 2022 December 2021 Time Period Prothena FY2024 EPS Forecast Raised by Cantor FitzgeraldProthena Co. plc (NASDAQ:PRTA - Free Report) - Analysts at Cantor Fitzgerald boosted their FY2024 earnings per share estimates for shares of Prothena in a research note issued to investors on Wednesday, November 13th. Cantor Fitzgerald analyst C. Duncan now forecasts that the biotechnology companNovember 18 at 1:49 AM | marketbeat.comFY2024 EPS Estimates for Prothena Cut by HC WainwrightProthena Co. plc (NASDAQ:PRTA - Free Report) - Equities research analysts at HC Wainwright reduced their FY2024 earnings estimates for shares of Prothena in a research note issued to investors on Wednesday, November 13th. HC Wainwright analyst A. Fein now forecasts that the biotechnology companyNovember 18 at 1:49 AM | marketbeat.comProthena's SWOT analysis: stock poised for potential breakthroughs amid risksNovember 15, 2024 | investing.comProthena (NASDAQ:PRTA) Hits New 12-Month Low - What's Next?Prothena (NASDAQ:PRTA) Hits New 12-Month Low - Time to Sell?November 15, 2024 | marketbeat.comHC Wainwright Increases Earnings Estimates for ProthenaProthena Co. plc (NASDAQ:PRTA - Free Report) - Investment analysts at HC Wainwright lifted their FY2028 earnings per share estimates for shares of Prothena in a research report issued on Wednesday, November 13th. HC Wainwright analyst A. Fein now forecasts that the biotechnology company will postNovember 15, 2024 | marketbeat.comBrokerages Set Prothena Co. plc (NASDAQ:PRTA) Target Price at $61.86November 15, 2024 | americanbankingnews.comProthena’s Strategic Advancements and Financial Strength Underpin Buy RatingNovember 14, 2024 | markets.businessinsider.comProthena’s Promising Therapeutic Developments and Positive Trial Outcomes Justify Buy RatingNovember 14, 2024 | markets.businessinsider.comProthena (NASDAQ:PRTA) Given "Buy" Rating at HC WainwrightHC Wainwright reaffirmed a "buy" rating and set a $84.00 price target on shares of Prothena in a report on Wednesday.November 13, 2024 | marketbeat.comProthena (NASDAQ:PRTA) Issues Quarterly Earnings Results, Beats Estimates By $0.08 EPSProthena (NASDAQ:PRTA - Get Free Report) announced its quarterly earnings results on Tuesday. The biotechnology company reported ($1.10) earnings per share (EPS) for the quarter, beating the consensus estimate of ($1.18) by $0.08. The business had revenue of $0.97 million during the quarter, compared to analyst estimates of $1.22 million. Prothena had a negative return on equity of 9.00% and a negative net margin of 23.44%. The firm's revenue was down 98.9% on a year-over-year basis. During the same period in the previous year, the company earned $0.38 EPS.November 13, 2024 | marketbeat.comProthena Reports Third Quarter 2024 Financial Results and Business HighlightsNovember 13, 2024 | finanznachrichten.deProthena Corporation Reports Q3 2024 Financial ResultsNovember 13, 2024 | markets.businessinsider.comProthena Co. plc (NASDAQ:PRTA) Receives Average Rating of "Moderate Buy" from BrokeragesProthena Co. plc (NASDAQ:PRTA - Get Free Report) has been given a consensus rating of "Moderate Buy" by the seven ratings firms that are presently covering the company, Marketbeat Ratings reports. Two research analysts have rated the stock with a hold rating and five have assigned a buy rating toNovember 12, 2024 | marketbeat.comProthena (PRTA) Scheduled to Post Earnings on TuesdayProthena (NASDAQ:PRTA) will be releasing earnings after the market closes on Tuesday, November 12, Zacks reports.November 6, 2024 | marketbeat.comProthena to Report Third Quarter 2024 Financial Results on November 12November 6, 2024 | finance.yahoo.comProthena (PRTA) Gets a Buy from OppenheimerOctober 30, 2024 | markets.businessinsider.comProthena (NASDAQ:PRTA) Trading 5.7% Higher - Here's What HappenedProthena (NASDAQ:PRTA) Shares Up 5.7% - Should You Buy?October 29, 2024 | marketbeat.comOptimistic Buy Rating for Prothena Driven by Clinical Updates and Strategic CollaborationsOctober 28, 2024 | markets.businessinsider.comProthena (NASDAQ:PRTA) Shares Gap Up - Time to Buy?Prothena (NASDAQ:PRTA) Shares Gap Up - Time to Buy?October 28, 2024 | marketbeat.comProthena Co. plc (NASDAQ:PRTA) Sees Significant Growth in Short InterestProthena Co. plc (NASDAQ:PRTA - Get Free Report) saw a significant increase in short interest in the month of October. As of October 15th, there was short interest totalling 6,790,000 shares, an increase of 28.1% from the September 30th total of 5,300,000 shares. Based on an average daily trading volume, of 442,400 shares, the days-to-cover ratio is currently 15.3 days.October 28, 2024 | marketbeat.comProthena (NASDAQ:PRTA) Sets New 12-Month Low - Here's What HappenedProthena (NASDAQ:PRTA) Hits New 52-Week Low - Here's What HappenedOctober 25, 2024 | marketbeat.comProthena Co. plc (NASDAQ:PRTA) Shares Sold by SG Americas Securities LLCSG Americas Securities LLC decreased its stake in Prothena Co. plc (NASDAQ:PRTA - Free Report) by 74.2% during the 3rd quarter, according to the company in its most recent disclosure with the Securities & Exchange Commission. The firm owned 14,087 shares of the biotechnology company's stock aftOctober 22, 2024 | marketbeat.comState Street Corp's Strategic Reduction in Prothena Corp PLC HoldingsOctober 19, 2024 | finance.yahoo.comProthena: Delays And Data Uncertainty Undermine Case For Investing (Downgrade)October 18, 2024 | seekingalpha.comProthena Co. plc (NASDAQ:PRTA) Receives Consensus Recommendation of "Moderate Buy" from BrokeragesShares of Prothena Co. plc (NASDAQ:PRTA - Get Free Report) have been given an average rating of "Moderate Buy" by the seven brokerages that are presently covering the firm, Marketbeat Ratings reports. Two research analysts have rated the stock with a hold recommendation and five have given a buy reOctober 18, 2024 | marketbeat.comProthena (NASDAQ:PRTA) Stock Price Passes Below 200 Day Moving Average - Should You Sell?Prothena (NASDAQ:PRTA) Shares Pass Below Two Hundred Day Moving Average - Here's WhyOctober 15, 2024 | marketbeat.comDuncan Williams Asset Management LLC Takes $816,000 Position in Prothena Co. plc (NASDAQ:PRTA)Duncan Williams Asset Management LLC purchased a new stake in Prothena Co. plc (NASDAQ:PRTA - Free Report) in the 3rd quarter, according to the company in its most recent 13F filing with the SEC. The fund purchased 48,749 shares of the biotechnology company's stock, valued at approximately $816,000October 4, 2024 | marketbeat.comMaintaining Hold on Prothena Amid Executive Changes and Clinical Validation NeedsOctober 2, 2024 | markets.businessinsider.comBreaking Down Prothena Corp: 4 Analysts Share Their ViewsOctober 1, 2024 | benzinga.comProthena Buy Rating Affirmed: Leadership Changes and Prasinezumab’s Promise Signal Investment OpportunityOctober 1, 2024 | markets.businessinsider.comProthena (NASDAQ:PRTA) Price Target Cut to $31.00 by Analysts at Bank of AmericaBank of America reduced their price objective on Prothena from $33.00 to $31.00 and set a "neutral" rating for the company in a research report on Tuesday.October 1, 2024 | marketbeat.comProthena (NASDAQ:PRTA) Given Buy Rating at HC WainwrightHC Wainwright reaffirmed a "buy" rating and set a $84.00 price objective on shares of Prothena in a research report on Tuesday.October 1, 2024 | marketbeat.comProthena Corp (NASDAQ:PRTA) Stock, Insider Trading ActivityOctober 1, 2024 | benzinga.comDow Dips 300 Points; Emcore Shares Spike HigherSeptember 30, 2024 | benzinga.comSystematic Financial Management LP Purchases 39,771 Shares of Prothena Co. plc (NASDAQ:PRTA)Systematic Financial Management LP lifted its position in shares of Prothena Co. plc (NASDAQ:PRTA - Free Report) by 25.8% during the second quarter, according to its most recent disclosure with the Securities and Exchange Commission (SEC). The institutional investor owned 193,763 shares of the bioSeptember 30, 2024 | marketbeat.comProthena Announces Leadership Team UpdatesSeptember 27, 2024 | businesswire.comProfund Advisors LLC Has $373,000 Stock Position in Prothena Co. plc (NASDAQ:PRTA)Profund Advisors LLC cut its holdings in shares of Prothena Co. plc (NASDAQ:PRTA - Free Report) by 61.4% in the second quarter, according to its most recent filing with the Securities and Exchange Commission. The firm owned 18,073 shares of the biotechnology company's stock after selling 28,805 shaSeptember 27, 2024 | marketbeat.comProthena Co. plc (NASDAQ:PRTA) Shares Purchased by Armistice Capital LLCArmistice Capital LLC raised its holdings in Prothena Co. plc (NASDAQ:PRTA - Free Report) by 42.3% in the 2nd quarter, according to its most recent 13F filing with the SEC. The fund owned 1,560,000 shares of the biotechnology company's stock after acquiring an additional 464,000 shares during the pSeptember 26, 2024 | marketbeat.comProthena Co. plc (NASDAQ:PRTA) Given Average Rating of "Moderate Buy" by AnalystsShares of Prothena Co. plc (NASDAQ:PRTA - Get Free Report) have earned an average recommendation of "Moderate Buy" from the seven ratings firms that are covering the company, MarketBeat reports. Two analysts have rated the stock with a hold rating and five have given a buy rating to the company. TSeptember 23, 2024 | marketbeat.comFederated Hermes Inc. Acquires Shares of 43,861 Prothena Co. plc (NASDAQ:PRTA)Federated Hermes Inc. bought a new stake in Prothena Co. plc (NASDAQ:PRTA - Free Report) during the 2nd quarter, according to its most recent filing with the Securities and Exchange Commission. The firm bought 43,861 shares of the biotechnology company's stock, valued at approximately $905,000. FedSeptember 22, 2024 | marketbeat.comProthena (NASDAQ:PRTA) Stock Price Up 7.4%Prothena (NASDAQ:PRTA) Shares Up 7.4%September 13, 2024 | marketbeat.comProthena Co. plc (NASDAQ:PRTA) Given Consensus Rating of "Moderate Buy" by AnalystsProthena Co. plc (NASDAQ:PRTA - Get Free Report) has earned a consensus rating of "Moderate Buy" from the seven ratings firms that are covering the company, MarketBeat.com reports. Two investment analysts have rated the stock with a hold recommendation and five have issued a buy recommendation onAugust 29, 2024 | marketbeat.comProthena (NASDAQ:PRTA) Share Price Crosses Below 200-Day Moving Average of $23.08Prothena (NASDAQ:PRTA) Stock Price Passes Below 200 Day Moving Average of $23.08August 27, 2024 | marketbeat.comPRTA Sep 2024 35.000 putAugust 23, 2024 | ca.finance.yahoo.comProthena Corporation plc (PTRA): Positioning Among Top Debt-Free StocksAugust 18, 2024 | msn.comSG Americas Securities LLC Has $1.13 Million Position in Prothena Co. plc (NASDAQ:PRTA)SG Americas Securities LLC lifted its holdings in shares of Prothena Co. plc (NASDAQ:PRTA - Free Report) by 226.4% in the second quarter, according to the company in its most recent filing with the Securities and Exchange Commission (SEC). The fund owned 54,572 shares of the biotechnology company'sAugust 17, 2024 | marketbeat.comBMY Sep 2024 43.000 putAugust 14, 2024 | ca.finance.yahoo.comProthena (NASDAQ:PRTA) Price Target Cut to $62.00 by Analysts at OppenheimerOppenheimer lowered their price target on shares of Prothena from $66.00 to $62.00 and set an "outperform" rating for the company in a report on Wednesday.August 14, 2024 | marketbeat.comBMY Aug 2024 43.000 putAugust 14, 2024 | ca.finance.yahoo.comBMY Aug 2024 41.000 putAugust 13, 2024 | ca.finance.yahoo.com Get Prothena News Delivered to You Automatically Sign up to receive the latest news and ratings for PRTA and its competitors with MarketBeat's FREE daily newsletter. Email Address Blackrock’s Sending THIS Crypto Higher on Purpose (Ad)It's a groundbreaking opportunity that could be poised for extraordinary gains. The catalyst behind this surge is a massive new blockchain development… YES, I WANT THE #1 CRYPTO NOW PRTA Media Mentions By Week PRTA Media Sentiment Learn about the media sentiment score. Each headline receives a score ranging from 2 (good news) to -2 (bad news). Our company news sentiment scores track the average news sentiment of articles about each company over the most recent 7 days in order to identify companies that are receiving positive press. PRTA News Sentiment▼0.410.46▲Average Medical News Sentiment PRTA News Coverage Learn about the media coverage comparison. We track news headlines from hundreds of news outlets and tag them by company. This chart compares the number of articles about this company in the last seven days compared with the average number of articles about this company on a typical week. PRTA Articles This Week▼174▲PRTA Articles Average Week Get Prothena News Delivered to You Automatically Sign up to receive the latest news and ratings for PRTA and its competitors with MarketBeat's FREE daily newsletter. Email Address Related Companies and Tools Related Companies Akebia Therapeutics News Today UroGen Pharma News Today Puma Biotechnology News Today Marinus Pharmaceuticals News Today Dynavax Technologies News Today HUTCHMED News Today Edgewise Therapeutics News Today Dyne Therapeutics News Today Xenon Pharmaceuticals News Today Bausch Health Companies News Today Headlines Tools Trending Media MentionsHigh Media Sentiment StocksLive News FeedMarketBeat OriginalsStock Ideas This page (NASDAQ:PRTA) was last updated on 11/21/2024 by MarketBeat.com Staff From Our PartnersThe Crypto That’s Making Wall Street SweatThe Crypto Wall Street Is Desperate to Hide It's happening now, right under everyone's radar. Big tech gian...Crypto 101 Media | SponsoredMissed Nvidia? 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