Larry Ellison, the largest private funder of the Israel Defense Forces, is deeply tied to the Israeli national security state and counts Prime Minister Benjamin Netanyahu among his closest friends.

https://just-international.org/articles/israels-biggest-us-donor-now-owns-cbs/

Edit:

The article also answers the question posed in this post about what does Oracle actually do:

Oracle sees itself as an activist organization, one whose goal is the advancement of the Israeli colonization project