Ionis Pharmaceuticals Inc. Common Stock vs Mercadolibre Inc — how do they compare? Ionis Pharmaceuticals Inc. Common Stock trades at $42.5 (market cap $7.04B), while Mercadolibre Inc trades at $1,832.26 (market cap $95.11B). The key difference: Mercadolibre Inc is far larger — about 13.5× Ionis Pharmaceuticals Inc. Common Stock's market cap, and Mercadolibre Inc is trading nearer its 52-week high, Ionis Pharmaceuticals Inc. Common Stock nearer its low. Which is the better fit depends on your goals — on Pluang, investors hold Ionis Pharmaceuticals Inc. Common Stock for 0 Days and Mercadolibre Inc for 118 Days on average.
| IONS | MELI | |
|---|---|---|
Market Cap | $7.04B | $95.11B |
Volume | 2,977,440 | 242,115 |
Sector | Health | Consumer Cyclical |
52-Week High | $86.50 | $2.36K |
52-Week Low | $42.38 | $1.55K |
Typical Hold Time | 0 Days | 118 Days |
Enterprise Value | $6.60B | $102.76B |
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MercadoLibre (MELI) trades at $1,839.11, down 2.82% on the day, amid a bullish technical setup and strong analyst support. The stock shows robust revenue growth, with 2025 sales reaching $28.89 billion, though net income margins have softened. Recent news highlights expansion in Brazil, including one-hour delivery and pharmacy services, while its fintech credit portfolio surged 75% in Q2 2026.
Outlook remains positive given dominant Latin American e-commerce and fintech positioning, but risks include macroeconomic pressures in key markets like Argentina and elevated valuation multiples. Wall Street consensus is strongly bullish with a $2,160 price target, though profit trends warrant monitoring for sustained shareholder returns.
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Latest headlines on both assets
Ionis Pharmaceuticals Inc. is a biopharmaceutical company that develops RNA-targeted medicines using its antisense technology, with marketed treatments in neurology and cardiometabolic disease.
Read more on IONS →MercadoLibre runs the largest e-commerce marketplace in Latin America, connecting a network of more than 140 million active users and 1 million active sellers as of the end of 2021 across an 18-country footprint. The company also operates a host of complementary businesses, with shipping solutions (Mercado Envios), a payment and financing operation (Mercado Pago), advertisements (Mercado Clics), classifieds, and a turnkey e-commerce solution (Mercado Shops) rounding out its arsenal. MercadoLibre generates revenue from final value fees, advertising royalties, payment processing, insertion fees, subscription fees, and interest income from consumer and small-business lending.
Read more on MELI →