Merck (MRK) Reports Q3 Earnings: What Key Metrics Have to Say

Core Insights - Merck reported revenue of $17.28 billion for the quarter ended September 2025, reflecting a 3.7% increase year-over-year and a surprise of +1.24% over the Zacks Consensus Estimate of $17.06 billion [1] - Earnings per share (EPS) for the quarter was $2.58, compared to $1.57 in the same quarter last year, resulting in a surprise of +9.32% over the consensus estimate of $2.36 [1] Financial Performance - Hospital Acute Care sales for Bridion in the U.S. reached $392 million, exceeding the estimated $379.07 million, marking a +15.6% change year-over-year [4] - Oncology sales for Keytruda internationally were $3.26 billion, slightly below the estimated $3.33 billion, with a year-over-year increase of +11.4% [4] - Sales for Diabetes drug Janumet in the U.S. were $78 million, significantly surpassing the estimated $42.82 million, representing a +420% change year-over-year [4] - Alliance revenue for Lynparza in the U.S. was $184 million, exceeding the estimated $156.52 million, with a +14.3% year-over-year change [4] - Animal health sales totaled $1.62 billion, above the estimated $1.56 billion, reflecting an +8.6% change year-over-year [4] - Cardiovascular sales for Winrevair were $360 million, below the estimated $426.29 million [4] - Oncology sales for Keytruda were $8.14 billion, slightly below the estimated $8.4 billion, with a +9.6% year-over-year change [4] - Sales for Virology drug Lagevrio were $138 million, below the estimated $144.08 million, representing a -64% year-over-year change [4] - Sales for Gardasil vaccines were $1.75 billion, matching the average estimate, but reflecting a -24.2% year-over-year change [4] - Alliance revenue for Lenvima was $258 million, exceeding the estimated $242.44 million, with a +2.8% year-over-year change [4] Stock Performance - Merck's shares have returned -3.9% over the past month, contrasting with the Zacks S&P 500 composite's +3.6% change [3] - The stock currently holds a Zacks Rank 4 (Sell), indicating potential underperformance relative to the broader market in the near term [3]