Why would you want to see a large portion of coins parked on Mintpal? It's just available supply that could be sold at anytime. Just curious where you are going with this.
Im just saying, he is gathering more and more rather than just selling and staying in btc.
It's mintpal's wallet of their DRK coin clients.... it's not an investor. As an aggregate, it's most likely their cold wallet to account for how many DRK holders park their coins on the exchange. Doesn't mean anything else.