
Amazon Alexa Fund and GV have exited wifi router developer Luma, which had raised $22m, in an acquisition reportedly sized at more than $10m.
American Express Ventures could exit bulk-buying e-commerce platform Boxed, which is considering acquisition offers of up to $500m.
Alibaba has bought $3bn of shares in Ofo from another existing backer, GSR Ventures, according to a relative of GSR's managing director.
The company, which holds the largest share of China's mobile ticket retail market, is backed by Tencent, Meituan-Dianping and Enlight Media.
Sanofi will exit cancer drug developer Impact Biomedicines in an acquistion by Celgene that consists of $1.1bn up front and potentially billions in milestone payments.
The Salesforce Ventures-backed file storage service has some 500 million users and was valued at $10bn as of 2014.
Mocon has exited cellular testing services provider Luxcel Biosciences, seven years after it paud $3.6m for a 16.9% stake in the company.
Viacom has acquired online marketing agency WhoSay, allowing investors including Comcast, Tencent and Amazon to exit.