CEF and ETF: Free Data Source
Nuveen Investments, a leading specialist in tax exempt municipal bond funds, publishes a special website (ETFConnect) that presents well-organized information on closed-end and exchange-traded funds, without charge.
For many funds in this category, the site provides fundamental data, Standard & Poor’s Stock Reports, SEC Filings, Industry Diversification, Country Diversification, Investment Quality, Credit Quality, Annualized Total Returns, Investment Objective, and Dividend History.
The Federal Reserve Flow of Funds Data on Closed-End and Exchange-Traded Funds are shown in Table F123 on this site.