QUB-founded cybersecurity business Titan IC is set to become part of Mellanox Technologies, having previously raised funds in 2015.
ABB has agreed to purchase building control point supplier Cylon Controls, providing exits to UCD and energy utility ESB.
Takeda has bought UW spinout PvP Biologics, three years after acquiring an option to buy it in return for $35m in financing.
Nottingham-founded Excellerate Biosciences has been bought by Oxford's spinout OMass Therapeutics, which unveiled a series A extension last week.
McKinsey has bought UVC Partners-backed Orpheus to implement a new service using the company's spending analytics technology.
CU Boulder spinout ALD NanoSolutions has merged with its peer Forge Nano, with new merged company securing $20m from a range of corporates.
University Ventures portfolio company Galvanize, which provides software engineering and data science courses, has been bought by online education platform K12 after raising $96m in funding.
Big Switch Networks, based on Stanford research, had raised more than $120m from investors including Dell Technologies Capital, Intel Capital and Accton.