"In a sign that some action was imminent, Freddie Mac changed its bylaws Thursday in a way that investors said could pave the way for Treasury or another large investor to take a controlling stake. Previously, Freddie Mac had a bylaw that prevented an investor with a stake of 20% or greater from voting without the approval of the other shareholders. It eliminated that restriction."
the treasury will(in addition to the preferred stock) buy equity or warrants, it will depend how much dillution they decide to create. Given bernanke comments in jackson hole it doesn't look good for bill miller but the stock has priced in tons of stuff so who knows