Mediaset Buys Stake in ProSiebenSat.1 Media Kristin Brzoznowski May 29, 2019 Top Stories Mediaset has acquired a 9.6 percent stake in the German broadcaster ProSiebenSat.1 Media. The content you are trying to access is only available to members. Log In Register Mediaset ProSiebenSat.1 Media 2019-05-29 Kristin Brzoznowski Share