The CAS Star-backed round looks set to be the last for the satellite imaging technology producer before a planned initial public offering.
The anti-malware software provider's series E round has valued the UC Berkeley spinout at $800m.
The fitness and sleep tracker provider, an alumnus of Harvard Innovation Lab, was valued at $1.2bn in a round that took its total funding past $200m.
Sarepta Therapeutics provided $15m in a series A round for the company, which is advancing University of Florida research.
Oxford Nanopore has continued its funding streak with another $108m, bringing this year's haul to more than $208m and its overall total to around $800m.
Group 42 and BP Ventures have co-led a series C round for Caltech and Nasa spinout Beyond Limits, with $113m already closed.