His >50% MPOE[1] stake is at least 1.4 million coins (valuated by the last trade).
If you're skeptical of numbers on webpages (c.f. "EmptyGox"), MPEx's trivially traceable addresses[2] currently contain around five thousand coins; tracking down the rest is left as an exercise for the skeptical sleth.
Maybe I'm reading it wrong but according to that there is ~10m shares outstanding at a price of 0.00028btc per share. Doesn't that make it worth around 2800 btc not 2.8m?
Or they have read his Guide To Beating Women blog post:
http://trilema.com/2011/cum-se-bate-femeia/
Or perhaps they have read how his site for betting with bitcoin screwed someone over for about $7,000 in bitcoin:
https://bitcointalk.org/index.php?topic=339544.0