What Awaits These 4 Biotech Stocks That More Than Doubled in 2025

Industry Overview - The drug and biotech sector regained momentum in the latter part of 2025 after a weak first half, setting the stage for a strong year for select stocks [1] - Improved policy clarity following drug pricing agreements with the Trump administration reduced uncertainty, while a rebound in mergers and acquisitions revived investor appetite for risk [1] - Innovation accelerated across high-growth areas such as obesity, gene therapy, inflammation, and neuroscience, with the FDA approving 43 novel therapies as of December 22, 2025 [2] Company Highlights Ionis Pharmaceuticals - Ionis Pharmaceuticals' shares surged 127.6% in 2025, significantly outperforming the industry growth of 5% [5][6] - The company advanced its wholly-owned portfolio, highlighted by the FDA approval of Tryngolza for familial chylomicronemia syndrome, generating $57.4 million in sales in the first nine months of 2025 [9] - Ionis is evaluating Tryngolza in late-stage studies for severe hypertriglyceridemia, with plans to file for FDA label expansion soon [10] - The FDA approved Ionis' second drug, Dawnzera, for hereditary angioedema, with a regulatory filing in the EU expected in early 2026 [11] Structure Therapeutics - Structure Therapeutics' shares surged 127.2% in the past year, compared to the industry's 15.6% growth [13] - The stock rally was driven by positive data from the ACCESS clinical program for aleniglipron, showing up to 15.3% placebo-adjusted weight loss [15][16] - The company plans to initiate phase III development for aleniglipron in mid-2026 and is also developing other candidates for obesity treatment [18] Monopar Therapeutics - Monopar Therapeutics' shares rallied 185.9% in the past year, significantly outperforming the industry [20] - The stock price increase was fueled by positive expectations regarding its lead candidate ALXN-1840 for Wilson disease, following a licensing agreement with AstraZeneca [22] - Monopar plans to submit a regulatory filing with the FDA in early 2026 based on favorable long-term data for ALXN-1840 [26] Kodiak Sciences - Kodiak Sciences' shares rallied 181.1% in the past year, contrasting with the industry's 15.7% decline [27] - The stock's performance reflects growing investor confidence in its late-stage pipeline assets, particularly tarcocimab and KSI-501 [29] - Kodiak plans to submit a regulatory filing for tarcocimab for multiple indications, with top-line data from pivotal studies expected in 2026 [31][33]