Is true there are a lot of other tokens, but I also think it belongs to someone of the Naga Company (maybe mr. CEO Benjamin Bilski itself!   I'm joking...)

There weren't any big bought during ICO time:

https://etherscan.io/token/0x72dd4b6bd852a3aa172be4d6c5a6dbec588cf131?a=0xf07232bc85d995c32c1edf1c985c84a8b7b0ded7

and this guys collected 5,5 millions of Naga tokens during this month (932 tx just related to Naga)

The second biggest wallet (which before was the biggest one) instead bought 1,5 million of Naga tokens during the ICO:

https://etherscan.io/token/0x72dd4b6bd852a3aa172be4d6c5a6dbec588cf131?a=0x1e3eee568fbb103615e177f0f71e860dbf7b4996

Probably someone related to the Company or an Exchange or a whale who has fallen in love with Naga then!