iShares IV Public Limited Company - iShares $ Treasury Bond 20+yr UCITS ETF is an exchange traded fund launched by BlackRock Asset Management Ireland Limited. It is co-managed by Blackrock Financial Management Inc., BlackRock (Singapore) Limited, and BlackRock Advisors (UK) Limited. The fund invests in the fixed income markets of the United States. It invests in the fixed-rate, US Dollar denominated treasury bonds with a remaining maturity of 20 years or more. The fund invests in investment grade securities which are rated as BBB- and above by S&P and Fitch and Baa3 and above by Moody's. It seeks to replicate the performance of the Barclays U.S. 20+ Year Treasury Bond Index, by employing representative sampling methodology. iShares IV Public Limited Company - iShares $ Treasury Bond 20+yr UCITS ETF was formed on January 20, 2015 and is domiciled in Ireland.