According to "draft report" which isn't official but has an excellent track record, the Cubs have signed or are going to sign 8 of their first 10 picks, and I believe that the other 2 are still playing and can not negotiate. In addition, they have signed or will sign 5 of the next 10.
Unfortunately, there pool money was substantially smaller this year, and their first 4 picks used up most of the overslot money, so probably not a lot will come out of the "over 10" picks.
It will be interesting to see how aggressive and how successful they will be in the IFA market.