Merck & Co., Inc. Top Holdings and 13F Report (2025) About Merck & Co., Inc.Merck & Co., Inc. NYSE: MRK has filed 13-F forms with the SEC as an investor. Merck & Co., Inc. is itself a publicly traded company. Merck & Co., Inc. is a global biopharmaceutical company engaged in the discovery, development, manufacture and marketing of prescription medicines, vaccines, biologic therapies and animal health products. Its portfolio spans multiple therapeutic areas with a particular emphasis on oncology, vaccines and infectious disease, as well as therapies for metabolic and chronic conditions. Among its well-known products are the cancer immunotherapy Keytruda (pembrolizumab) and the human papillomavirus vaccine Gardasil; the company also markets a range of medicines and vaccines for veterinary use through Merck Animal Health. For more information on Merck & Co., Inc. stock, visit the Merck & Co., Inc. stock profile here.Investment ActivityMerck & Co., Inc. has $526.41 million in total holdings as of June 30, 2025.Merck & Co., Inc. owns shares of 13 different stocks, but just 3 companies or ETFs make up 80% of its holdings.Approximately 4.87% of the portfolio was purchased this quarter.About 6.33% of the portfolio was sold this quarter.This quarter, Merck & Co., Inc. has purchased 14 new stocks and bought additional shares in 0 stocks.Merck & Co., Inc. sold shares of 0 stocks and completely divested from 4 stocks this quarter.Largest Holdings Personalis $188,202,236Moderna $161,642,545Kymera Therapeutics $88,544,161AKTIS ONCOLOGY INC $30,710,162EIKON THERAPEUTICS INC $21,749,991 Largest New Holdings this Quarter 29384C108 - Entrada Therapeutics $12,804,692 Holding869367201 - SUTRO BIOPHARMA INC $9,042,053 Holding29970R303 - EVAXION BIOTECH A/S $3,763,791 Holding Largest Purchases this Quarter Entrada Therapeutics 1,739,768 shares (about $12.80M)SUTRO BIOPHARMA INC 272,351 shares (about $9.04M)EVAXION BIOTECH A/S 1,214,126 shares (about $3.76M) Sector Allocation Over TimeMap of 500 Largest Holdings ofMerck & Co., Inc. Selling Neutral Buying Latest 13F Holdings and Changes Since Previous Quarterly FilingIssuer NameHoldings ValueApproximate Purchase/SaleChange in SharesShares Held% of PortfolioSectorPSNLPersonalis$188,202,2360.0%14,044,94335.8%HealthcareMRNAModerna$161,642,5450.0%2,308,19030.7%HealthcareKYMRKymera Therapeutics$88,544,1610.0%772,16516.8%HealthcareAKTIS ONCOLOGY INC$30,710,1620.0%952,8445.8%COMEIKON THERAPEUTICS INC$21,749,9910.0%1,666,6664.1%COMTRDAEntrada Therapeutics$12,804,692$12,804,692 â–²New Holding1,739,7682.4%HealthcareSUTRO BIOPHARMA INC$9,042,053$9,042,053 â–²New Holding272,3511.7%COMALECAlector$7,126,8960.0%3,545,7191.4%HealthcareEVAXION BIOTECH A/S$3,763,791$3,763,791 â–²New Holding1,214,1260.7%SPONSORED ADSVRDNViridian Therapeutics$1,716,0150.0%93,4140.3%HealthcareXILIO THERAPEUTICS INC$1,015,3080.0%105,9820.2%COMTUHURA BIOSCIENCES INC$45,5010.0%19,4450.0%COMNEUPHORIA THERAPEUTICS INC$43,8180.0%10,0270.0%COMENTRADA THERAPEUTICS INC$0$21,955,872 â–¼-100.0%00.0%COMSTROSutro Biopharma$0$6,784,263 â–¼-100.0%00.0%HealthcareEVAXION BIOTECH A/S$0$4,516,549 â–¼-100.0%00.0%SPONSORED ADSCARMCarisma Therapeutics$0$47,880 â–¼-100.0%00.0%HealthcareShowing largest 100 holdings. View all holdings. More Institutional Buying and Selling Information SEC Filings and Trading Data SEC Filings 13F Filings Top 13F Buys Top 13F Sells Unlock superior investment research and tools. Sign up for MarketBeat All Access to gain access to MarketBeat's full suite of research tools and reports. Get MarketBeat All Access MarketBeat All Access Features Best-in-Class Portfolio Monitoring Get personalized stock ideas. Compare portfolio to indices. Check stock news, ratings, SEC filings, and more. Stock Ideas and Recommendations See daily stock ideas from top analysts. Receive short-term trading ideas from MarketBeat. Identify trending stocks on social media. Advanced Stock Screeners and Research Tools Use our seven stock screeners to find suitable stocks. Stay informed with MarketBeat's real-time news. Export data to Excel for personal analysis. Sign in to your free account to enjoy these benefits In-depth profiles and analysis for 20,000 public companies. 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