The company, the world’s largest corporate Bitcoin holder, issued the shares as part of a strategy to diversify its funding sources as it continues to buy the cryptocurrency.

MicroStrategy (MSTR), which recently changed its name to “Strategy,” has launched itsnew convertible preferred stock on the Nasdaq stock

The largest of the U.S. preferred stock ETFs is the BlackRock iShares Preferred and Income Securities ETF (PFF), which has roughly $15 billion in assets under management. The largest holders of PFF ETF are major corporations such as Boeing (BA), Wells Fargo (WFC) and Citi Group (C).