Per CB Insights, Intel Capital looks like the leader in the area of corporate AI investments.  Google and CE are next.

And this is how these AI investments were distributed:  the focus seems to be on healthcare, advertising, sales & marketing, and business intelligence and security.

IoT investments are becoming more and more popular in the last 4 years.

This is the ranking for all investors, including both Corporate investors and VC firms (per Venture Scanner).

Accel, a venture capital firm headquartered in Palo Alto, announced a $500 million fund for early stage companies and $1.5billion fund for late stage businesses. Of their nine areas of focus for the future, Artificial Intelligence topped the list of priorities.