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No. They are Novatec 171/172 with a Novatec type A free hub. Although a Type A2 free hub for 11 speed exists, I am not aware of it being on Ambrosio badged hubs.
You can get the Campagnolo version and fit a Campag cassette, which will work with Shimano 11, but Campag cassettes are a lot of money. You can also file the splines, as shown on my blog, but it's the last resorthttp://whosatthewheel.com/2015/01/29/the-11-speed-switchover/
Are ambrosio zenith hubs shimano 11 speed compatible? Struggling to find an answer.