The Ethereum scaling technology developer raised two rounds this year, having spun out of Princeton in 2018.
MIT’s energy storage technology producer had secured an initial $200m tranche last month, with existing backer The Engine contributing to the round.
The UC Santa Barbara-launched food preservation technology developer’s latest round valued it at $2bn.
Matrix Capital Management led the immunology drug developer's series A round, which will support the journey of a type 1 diabetes drug candidate towards the clinic.
The no-code platform developer, spun out of MIT's Media Lab, will use the cash to boost international growth and accelerate the development of new product features.
The renewable energy battery developer, an MIT spinout, raised funding that will be used to expand its manufacturing capabilities.