Ubisofts CEO Yves Guillemot said the investment by Tencent would provide stability essential for its long-term development.
The deal between Guillemot Brothers and Tencent is described as the companies entering into concert together.
Although theyre investing heavily in Guillemot Brothers, Tencent wont have any positions on the companys board of directors.

Neither will they have consent or veto over what Guillemot Brothers does, nor any operational rights over Ubisoft.
Tencent wont be allowed to increase their stake in Ubisoft for another eight years.
Hey, its more consolidation in the games industry folks.

Sort of, anyway.
you could read the full statement from Ubisoft and Tencenthere.