The Invesco Invesco QQQ Trust Series 1 (QQQ) is an exchange-traded fund (ETF) that tracks the performance of the Nasdaq-100 Index. The fund is managed by Invesco and was launched in 1999.

The Nasdaq-100 Index is a market-capitalisation-weighted index that tracks the 100 largest non-financial companies listed on the Nasdaq Stock Market. It has a substantial weighting toward the technology sector and includes many of the world’s most prominent growth-oriented companies.

QQQ is a passively managed index ETF that seeks to replicate the holdings and performance of its benchmark with low tracking error. It is suitable for investors seeking broad, low-cost market exposure.