SoFi: $1 billion to San Francisco, CA-based Social Finance, Inc. (SoFi) in Series E funding led by SoftBank. This brings SoFi’s total funding to an eye-watering $1.77 billion as the company eyes a potential IPO. SoFi started in 2011 as a lending marketplace where college alumni can provide student loans at better rates. Since then, the company has expanded its focus to cover mortgages, personal loans and a career advising network.