In this article, we will be taking a look at the 10 Best Pharma Stocks to Buy According to Billionaires. Merck & Co., Inc. is placed fourth among them. Merck & Co., Inc. (NYSE:MRK), a global biopharmaceutical company founded in 1891 and headquartered in Rahway, New Jersey, continues to strengthen its leadership in oncology and vaccines. This month, the FDA approved Keytruda Qlex, a subcutaneous version of the drug that can be administered in just one to two minutes, compared to the 30-minute intravenous ...