Nasdaq-100's $31.5T market cap driven by tech giants; ETFs dominate trading liquidity.

The Nasdaq-100 Index includes the largest 100 non-financial companies on Nasdaq, with a combined market cap of about $31.5 trillion. Major tech firms like Nvidia, Apple, Alphabet, and Microsoft dominate the index, while Tesla and Amazon are classified under Consumer Discretionary. ETFs, especially QQQ and QQQM, hold nearly 70% of the ETF market cap benchmarked to Nasdaq-100, with daily trading volumes reaching $0.8 trillion in 2025. Notably, Nvidia and Tesla account for significant liquidity, each trading over $30 billion daily, highlighting their outsized influence on the market.