PIMCO 1-5 Year US TIPS Index ETF, formerly Pimco 1-5 Year U.S. TIPS Index Fund, is an exchange traded fund (ETF) designed to capture the returns of the shorter maturity subset of the Treasury Inflation-Protected Securities (TIPS) market by tracking The BofA Merrill Lynch 1-5 Year US Inflation-Linked Treasury Index. The BofA Merrill Lynch 1-5 Year US Inflation-Linked Treasury Index is an unmanaged index comprised of the United States Treasury Inflation Protected Securities with at least $1 billion in outstanding face value and a remaining term to final maturity of at least one year and less than five years.