So, if I remember correctly, BCNext and JeanLuc each sent 1 BTC to the NXT IPO and CfB send 0.1 BTC. That equates to 10% of NXT (and this is only including three of the developers). In addition, the 25% of unclaimed NXT stakes were given to the core NXT team as a community fund. In all, that's 35% controlled by the core NXT team, and I think that coin has been successful.
Please let me know if I got anything wrong.
There is no evidence that BCNext sent anything one way or the other. I don't really know how much JeanLuc sent, but
JeanLuc was a total clueless about Nxt (you can read his early posts in original IPO). He was not the developer or involved in any way with the project. He was just an ordinary investor at that time.