In order to accumulate shares on a consistent basis to build up a substantial position, you need a LOT of money, hence big investment funds. The venture exchange boys are just play money.
The big funds have charters that FORBID them to invest unless you are in the TSX and have 43-101's ;-)
We will get those things when the boys are ready I guess. It shouldn't be too long, not more than a year or two now. It's all getting long in the tooth and they know it.