The business will remain Hamilton-based.
WaikatoLink chairman Tenby Powell said this was an good example of the university's commercial entity taking a raw technology, incubating it, raising venture capital, attracting a world-class management and technology team, and ultimately selling the business to a consortium with the capability to turn it into a world leader.
Air New Zealand general manager customer value Hamish Rumbold said the airline was focused on keeping customers at the core of its business.
"11Ants' solution enables businesses to listen, understand and act with a much deeper understanding of their customers," he said.
Aima spokesman Marc Allsop said while it was a small tuck-in investment, working with Air New Zealand and the 11Ants team was a good opportunity to develop new products in the untapped travel sector.
WaikatoLink chief executive Duncan Mackintosh said the new owners - both of which were large organisations - had the reach to significantly build the company.
11Ant Analytics started as a joint venture with Hill Laboratories doing machine learning research from the university.
"A lot of business plans companies start with are not what they look like when they finish," said Macintosh.
He wouldn't say how much had been invested in the company to date although Endeavour Capital invested $1 million in 2008 and there had been several funding rounds since inception.
WaikatoLink was the majority shareholder with 62.25 percent while Endeavour Capital held 21.51 percent, Tom Fuyala 10.86 percent and NZ VIF Investments 5.38 percent.
The entity changed its named last month from Khipu Systems to 11Ants Analytics.