According to ChainCatcher, Spot on Chain monitoring shows that since November 1, Mt. Gox has transferred a total of 6,900 BTC (about US$588 million) to B2C2 Group.
These transfers were broken into multiple small transactions, ranging from 8.5 BTC to 281 BTC each, and were occurring every day.
Recently, Mt. Gox moved 2,220 BTC ($220.4 million) to new wallets in the past 6 hours, of which 300 BTC ($29.8 million) may have ended up in B2C2 Group. Currently, Mt. Gox still holds 38,004 BTC ($3.81 billion).