NASDAQ Biotechnology Index
The NASDAQ Biotechnology Index is a stock market index made up of securities of NASDAQ-listed companies classified according to the Industry Classification Benchmark as either the Biotechnology or the Pharmaceutical industry. A list of the 213 components of the index is published online. Criteria. In order to remain included within the index, the components must meet the following criteria: Investing in the index. This index is tracked by several exchange-traded funds, the most liquid of which is the iShares Nasdaq Biotechnology ().