Funds and Exchange Traded Funds (ETF) data service for identifying, accessing and using fund and ETF information, analytics and insights including reference data, holdings data and primary market data. An ETF, or Exchange-Traded Fund, is a type of investment fund that bundles together and holds a basket of assets - like stocks, bonds, or commodities - and trades on a stock exchange. When you buy a share of an ETF, you are buying a portion of a larger pool of assets. The released services and APIs include a comprehensive set of tools and information like reference data, holdings data, pricing and primary market data, ranging from identifiers, classifications and meta data, constituent- and security-level weightings, asset class categorization and pricing information, as well net asset value (NAV), asset under management (AUM) and fund flow information.