NuShares ETF Trust - Nuveen ESG 1-5 Year U.S. Aggregate Bond ETF is an exchange traded fund launched and managed by Nuveen Fund Advisors, LLC. The fund is co-managed by Teachers Advisors, LLC. It invests in fixed income markets of the United States. The fund primarily invests in U.S. dollar-denominated investment grade taxable government securities, debt securities issued by corporations, residential and commercial mortgage-backed securities, asset-backed securities with maturities between 1 to 5 years. It invests in securities of companies that are deemed socially conscious in their business dealings and directly promote environmental responsibility. The fund seeks to track the performance of the Bloomberg MSCI 1-5 Year Aggregate ESG Select Index, by using representative sampling technique. The fund does not invest in securities of companies operating across alcohol production, tobacco production, nuclear power, gambling, and weapons and firearms production, independent oil & gas producer, integrated oil & gas producer, and metals & mining sectors. NuShares ETF Trust - Nuveen ESG 1-5 Year U.S. Aggregate Bond ETF was formed on March 31, 2017 and is domiciled in the United States.