<div id="readability-page-1"><div><p>Xencor (XNCR) just secured a new U.S. patent that effectively adds about three extra years to its Ultomiris royalty stream, a material boost that could help smooth funding for its antibody pipeline.</p> <p>See our latest analysis for Xencor.</p> <p>The new patent lands after a volatile stretch for Xencor, with the share price now at $17.06 and a powerful 90 day share price return of 98.37 percent contrasting with a weak 1 year total shareholder return of negative 31.10 percent. This suggests momentum is rebuilding even as long term holders remain underwater.</p> <p>If this kind of royalty backed pipeline story interests you, it is also worth scanning healthcare stocks for other healthcare names that might be setting up for the next leg higher.</p> <p>With shares still more than 60 percent below the Street’s target despite a sharply improving tape, is Xencor quietly undervalued ahead of a royalty fueled inflection, or is the market already discounting years of pipeline upside?</p> <h2>Most Popular Narrative: 39.1% Undervalued</h2> <p>With the narrative fair value sitting well above Xencor’s last close at $17.06, the story hinges on how the pipeline translates into future cash flows.</p> <p><em>The robust and flexible XmAb platform allows for modular drug development and the creation of differentiated assets, expected to reduce development costs and timelines, directly benefiting future operating margins and net profitability. Clinical trial strategy emphasizes efficient dose ranging and selection, ongoing biomarker efforts, and combination-therapy optionality, positioning the company to respond rapidly to evolving standards of care and maximize the commercial potential of its pipeline, with positive implications for recurring revenue and ultimate earnings leverage.</em></p> <p>Read the complete narrative.</p> <p>Curious how a still unprofitable biotech can command a premium style future earnings multiple, while banking on double digit revenue growth and margin transformation? The narrative’s math is bold, and the timing assumptions even bolder. Want to see exactly which future profit profile is needed to back this fair value call? Dive in to unpack the full valuation blueprint behind Xencor’s projected upside.</p> <p><strong>Result: Fair Value of $28 (UNDERVALUED)</strong></p> <p>Have a read of the narrative in full and understand what's behind the forecasts.</p> <p>However, lingering execution risk in late stage trials and intensifying TL1A competition could quickly erode confidence in today’s optimistic valuation path.</p> <p>Find out about the key risks to this Xencor narrative.</p> <h2>Another View: Market Ratios Flash Caution</h2> <p>That upside narrative clashes with what the price to sales ratio is signaling. Xencor trades at 8.1 times sales, cheaper than the US biotech average of 11.8 times and peers at 9.1 times, but far above its 1.2 times fair ratio estimate, which implies meaningful downside if sentiment cools.</p> <p>See what the numbers say about this price — find out in our valuation breakdown.</p> <figure><img height="476" src="https://imageproxy.pbkrs.com/https://images.simplywall.st/company/815e4997-2899-40bb-8850-3bf82e962148/chart/ps-multiple-vs-industry?x-oss-process=image/auto-orient,1/interlace,1/resize,w_1440,h_1440/quality,q_95/format,jpg" width="746" original-src="https://imageproxy.pbkrs.com/https://images.simplywall.st/company/815e4997-2899-40bb-8850-3bf82e962148/chart/ps-multiple-vs-industry"/><figcaption>NasdaqGM:XNCR PS Ratio as at Dec 2025</figcaption></figure><h2> Build Your Own Xencor Narrative</h2> <p>If you see the story differently or would rather crunch the numbers yourself, you can build a fresh narrative in just minutes. Do it your way.</p> <p>A great starting point for your Xencor research is our analysis highlighting 1 key reward and 2 important warning signs that could impact your investment decision.</p> <h2>Looking for more investment ideas?</h2> <p>Before you move on, lock in an edge by scanning fresh opportunities on Simply Wall Street’s Screener, so you do not miss the next breakout story.</p> <ul> <li>Target steadier income streams by reviewing these 12 dividend stocks with yields &gt; 3%. This screener focuses on companies positioned to keep paying investors even when markets turn choppy.</li> <li>Capitalize on long term disruption by assessing these 25 AI penny stocks. This screener highlights where real business adoption of AI could translate into powerful earnings momentum.</li> <li>Seize potential mispricings with these 904 undervalued stocks based on cash flows. This tool is designed to highlight businesses whose cash flows may not yet be reflected in their share prices.</li> </ul> <p><em> This article by Simply Wall St is general in nature. <strong>We provide commentary based on historical data     and analyst forecasts only using an unbiased methodology and our articles are not intended to be financial advice.</strong> It does not constitute a recommendation to buy or sell any stock, and does not take account of your objectives, or your     financial situation. We aim to bring you long-term focused analysis driven by fundamental data.     Note that our analysis may not factor in the latest price-sensitive company announcements or qualitative material.     Simply Wall St has no position in any stocks mentioned.</em></p><div><p>Mobile Infrastructure for Defense and Disaster</p><p>The next wave in robotics isn't humanoid. 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XNCR

<p>Xencor (XNCR) has secured a new U.S. patent, extending its Ultomiris royalty stream by three years, boosting funding for its antibody pipeline. Despite recent volatility, Xencor's share price has risen 98.37% over 90 days, though it remains undervalued at $17.06 compared to a fair value of $28. The company faces execution risks in late-stage trials and TL1A competition, but its XmAb platform offers modular drug development benefits. Xencor trades at 8.1 times sales, below the biotech average, indicating potential undervaluation.</p>

Assessing Xencor (XNCR) Valuation After New U.S. Patent Extends Ultomiris Royalty Stream