5. GSV Capital
Investors looking for a way to buy Facebook before it goes public can look no further than Woodside, Calif.-based GSV Capital (GSVC).
GSV Capital buys stakes in private companies that are in the development stage, like a venture capital fund. It acquires positions from the companies themselves and through secondary markets.GSV owns 225,000 shares of Facebook as well as stakes in Twitter, Groupon (GRPN) and Bloom Energy. Shares of GSV Capital have gained 30.68% this year.