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?
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.
[1] http://mpex.ws/?mpsic=S.MPOE
[2] https://www.walletexplorer.com/wallet/MPEx.co