In addition to working on the first exchange traded fund (ETF) based on municipal bonds, Barclays Global Investors also has ETFs based on natural gas, private equity and infrastructure in the pipeline. Also, Barclays would like to expand its ETF products into international stocks, alternative investments, the 401(k) market and the 529 college-savings market, according to Reuters. In relation to the ETF based on municipal bonds, Barclays plans to offer three products: one that targets California investors, one that targets New York investors and another broader, national product that is not state-specific. As of July 31, Barclays had $287 billion in U.S. ETF assets.

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