The company had previously raised more than $35 million in funding from corporate partners including Cigna and Cardinal Health as well as New Leaf.
Audux, which was founded in 2010, aims to drive health and wellness programmes for consumers to lower their long-term healthcare costs.
Sands Capital Ventures, Easton Capital Investment Group and LionBird also took part in the round for the business, which was launched in 2012.
New Leaf is still investing from its $450m second fund closed on its hard cap in 2007, and is yet to reveal plans for a third fundraise.
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