Georgia Tech-linked battery technology producer Sila Nanotechnologies has more than tripled its valuation to $3.3bn in the series F round.
The intelligent chipmaker, which traces its roots back to University of Bristol, has secured series E funding at a $2.77bn valuation.
The challenger bank’s Vanderbilt University-backed series G has been boosted by new funding at the same $1.57bn valuation.
CMU-founded language learning platform developer Duolingo has now raised $183m altogether and has increased its valuation 60% to $2.4bn.
The anti-malware software provider's series E round has valued the UC Berkeley spinout at $800m.
Midea participated in a round for the speech processing technology provider, whose backers also include Tsinghua University's TusPark Ventures.