This Stock Is Already Up 58% This Year. Is It a Buy?

Core Viewpoint - Moderna has faced challenges in maintaining revenue growth from its coronavirus vaccine but has shown a strong start in 2026 with a 58% increase in stock price, raising questions about a potential sustained bull run for the company [1]. Group 1: Recent Developments - Moderna's recent data from a five-year follow-up study on intismeran autogene, in combination with Merck's Keytruda, demonstrated a 49% reduction in disease recurrence or death for advanced melanoma patients compared to Keytruda alone [3]. - Intismeran autogene is currently in a phase 3 study and is being investigated across multiple cancer types, with a total of eight phase 2 or phase 3 studies ongoing [4]. Group 2: Market Position and Opportunities - Moderna has established itself as a leader in mRNA-based therapies and the coronavirus vaccine market, with recent clinical progress and the launch of mRESVIA, a vaccine for respiratory syncytial virus [5]. - The partnership with Merck for intismeran autogene presents a significant commercial opportunity, potentially leading to blockbuster status, despite profit-sharing with Merck [6]. Group 3: Future Prospects - Moderna is expected to make sustained clinical and regulatory progress with several candidates in mid or late-stage clinical trials, which could diversify its lineup of approved products in the next three years [7].