[_Microft]

The Max-Planck-Society [0][1] is also an e.V. and they have a yearly budget in the order of 2.5B€ or so. e.V.s can be very diverse in their nature.

[0] (de) https://de.wikipedia.org/wiki/Max-Planck-Gesellschaft

[1] (en) https://en.wikipedia.org/wiki/Max_Planck_Society