The rich are getting richer when it comes to publicly traded biotechnology companies, judging by their ballooning market capitalization. It’s a product of the current Wall Street surge—some call it a bubble—that continued in the first half of 2013, with 52 companies going public and the overall market closing at record highs.
Following is a list of 25 biotechnology companies, ranked by their market cap as of July 24 as furnished by the exchanges on which they trade their shares, or by other publicly available sources, such as any of several free stock information websites. Figures of non-U.S. companies were converted to U.S. dollars from various currencies.