Jensen Huang is feeling spendy. In the span of a few weeks, the Nvidia CEO has committed billions to deals and investments — with more potentially right around the corner.

The spending spree shows how far Nvidia is expanding beyond chips and raises a bigger question: how much of the AI ecosystem does it want a hand in?

Nvidia said in its earnings report on Wednesday that it has $18 billion committed to equity investments for the rest of the fiscal year, with a focus on AI model makers, infrastructure financiers, and other private companies.

It held $47.9 billion in private companies as of late July — more than double the $22.3 billion it held…