PNQI tracks the largest and most liquid U.S.-listed companies engaged in internet-related businesses and employs a modified market cap-weighted indexing methodology based on the market cap ranking of the underling idnex securities. The ETF includes a 4.0% tilt toward NFLX and hefty 59.9% weight in internet software & services sub-sector.

SEE MORE: Internet ETFs to Capitalize Off Growth in E-Commerce

FDN also follows companies that generate most of its revenue from internet businesses and includes some market cap and liquidity requirements for inclusion. The fund has a 4.6% tilt toward NFLX and a large 70.4% position in the information technology sector.

NFLX also makes up 5.2% of the actively managed ARK Web x.0 ETF (NYSEArca: ARKW), which tracks a number of companies that benefit from increase use of shared technology, infrastructure and services in cloud computing, big data, social media, internet, devices and gateways, e-commerce, media ecosystems, health care, sharing economy, point of sale, telecom and cryptocurrencies. ARKW was up 2.1% Tuesday.

For more information on the tech sector, visit our technology category.

PowerShares NASDAQ Internet Portfolio