WisdomTree, Inc., along with its subsidiaries, functions as a sponsor and manager of exchange-traded funds (ETFs). It provides ETFs covering a wide range of asset classes, such as equities, foreign exchange, fixed income, and alternative investments. Beyond its primary ETF operations, the company licenses its proprietary indexes to third parties for their own products and offers a platform to facilitate the integration of WisdomTree ETFs into 401(k) retirement plans.