LLY vs. NVO: Which Obesity Drug Stock Is the Better Buy Now?

Core Insights - Novo Nordisk and Eli Lilly are leading the diabetes and obesity market with their GLP-1 products, including Lilly's Mounjaro and Zepbound, and Novo Nordisk's Ozempic, Rybelsus, and Wegovy [1][2] Company Performance - Lilly's Cardiometabolic Health segment generated nearly $15 billion in sales in the first half of 2025, while Novo Nordisk's Diabetes and Obesity care segment generated $21.1 billion (DKK 145.4 billion) [2] - Lilly's Mounjaro and Zepbound account for approximately 50% of its total revenues, while Novo Nordisk's GLP-1 sales in diabetes increased by 10% in the first half of 2025, capturing a 51.9% market share [4][11] Growth Prospects - Lilly expects revenues between $60.0 billion to $62.0 billion in 2025, indicating over 30% year-over-year growth, driven by new drug approvals and market expansion [7][10] - Novo Nordisk is investing heavily in expanding manufacturing capacity and has received recent approvals for its semaglutide medicines, which are expected to boost sales [12][11] Competitive Landscape - The obesity market is projected to grow to $100 billion by 2030, with both companies developing next-generation obesity drugs to maintain market dominance [15] - Rising competition from other companies, such as Amgen and Viking Therapeutics, is intensifying in the GLP-1 diabetes and obesity market [16] Financial Estimates - The Zacks Consensus Estimate for Lilly's 2025 sales and EPS implies a year-over-year increase of 37.2% and 77.3%, respectively, while Novo Nordisk's estimates indicate a 15.3% sales increase and 17.4% EPS increase [20][22] Valuation Metrics - Lilly's stock trades at a forward P/E ratio of 25.92, higher than Novo Nordisk's 14.84, indicating a more expensive valuation for Lilly [24] - Lilly's dividend yield is 0.8%, while Novo Nordisk's is around 2.4% [25] Market Position - Lilly has a market cap exceeding $700 billion, significantly larger than Novo Nordisk's market cap of around $270 billion, reflecting its diversified product portfolio and growth prospects [30]