Nightstar Therapeutics, based on Oxford research, stands to receive $800m from Biogen in an acquisition deal that comes a year and a half after completing a $75m IPO.

Bigo, a social video livestreaming platform, has been acquired by its existing shareholder YY for more than $1.45bn in a deal that also provided exits for Ping An and Bertelsmann.

The corporate has sold part of its stake in online car trading platform Chehaoduo for more than $713m to an unnamed third-party investor likely to be SoftBank Vision Fund.

The genomic medicine developer plans to raise up to $100m in an upcoming IPO that could hand exits to Amgen Ventures, Brace Pharma Capital and Baxter Ventures.

Sarepta Therapeutics exercised its option to acquire Nationwide Children’s gene therapy spinout Myonexus Therapeutics after paying at least $60m for the right in May 2018.

Rakuten, General Motors and Alphabet own a combined 26% share of the ride hailing platform, which has filed to go public and which was valued at more than $15bn as of last June.

DataStax last raised funding in 2014 when Comcast Ventures backed its $106m series E round, and now the database technology developer is aiming for a $1bn valuation in its IPO.

Statkraft Ventures is set to exit distributed energy software provider Limejump in an acquisition by Shell that will follow some $10m of funding for the company.

A Reliance Industries subsidiary has agreed to buy the Qualcomm-backed multilingual technology developer in a cash deal worth $28.6m.

The two companies initially entered discussions about a $2bn to $2.5bn merger in July last year, but the transaction is now expected to reach $3bn and consist of cash and shares.