University of Central Florida's Cytosen has been acquired in an all-stock deal by Kiadis Pharma, in a transaction potentially worth up to $70m.

Iyzico has agreed to an acquisition by Naspers-owned PayU sized at $165m, after raising $24m in equity funding between 2013 and 2017 from investors including Beenos.

Big data education provider Jigsaw Academy has been bought by Manipal Group four years after raising money from the corporate.

Avi Networks, which raised $115m from investors including Cisco Investments, has agreed to an acquisition by VMWare for an unspecified sum.

Tencent, Google and Alibaba are all set to exit the network switch technology developer, which had raised $130m prior to agreeing to an acquisition by Intel.

Cvent paid an undisclosed sum to purchase the event engagement platform developer in a transaction of undisclosed size that gave an exit to Grace Beauty.

Merck & Co will pay up to $773m to acquire biopharmaceutical developer Tilos Therapeutics, based on research at Harvard Medical School and Brigham & Women’s Hospital.

Merck & Co will pay up to $773m to acquire biopharmaceutical developer Tilos Therapeutics providing exits to co-founders Boehringer Ingelheim and Partners HealthCare.

Wave Financial, the financial management software developer backed by National Australia Bank, Royal Bank of Canada and Power Corporation, has been bought by H&R Block for $405m in cash.

Stanford spinout Tableau Software has agreed to a $15.7bn all-stock acquisition by Salesforce, six years after completing a $254m initial public offering on the New York Stock Exchange.