'Disruptor' SoFi CEO: IPO in the next 12 months

SoFi: Fixing student loan borrowing
SoFi: Fixing student loan borrowing   

After ranking on CNBC's Disruptor 50 list, SoFi CEO Mike Cagney said Wednesday his lending start-up will probably go public within 12 months.

"We're profitable and as any private company we want to be opportunistic about when we go public, but realistically in the next 12 months it will happen," he told CNBC's "Squawk Box."

Read MoreSoFi: Student loan refinancing 2.0

The San Francisco-based company sells loans to "folks with good credit and great income," Cagney said. The company started with student loan refinancing in 2011 and is now offering mortgages and personal loans.

Cagney said he expects a little over $4 billion in loans this year.

"We're one of the few lenders that will do 10 percent down payment mortgages in major metropolitan areas like Los Angeles or San Francisco," he said.

Read MoreMeet the 2015 CNBC Disruptor 50 companies