SecondMarket

SecondMarket Site

WikiPedia:

SecondMarket (formerly Restricted Stock Partners) is an online marketplace for buying and selling illiquid assets, including auction‐rate securities, bankruptcy claims, limited partnership interests, private company stock, restricted securities in public companies, structured products, and whole loans.

SecondMarket's participants include global financial institutions, hedge funds, private equity firms, mutual funds, corporations and other institutional and accredited investors.

The website was created in 2004