Graphcore, which traces its origins back to University of Bristol, has added $150m to a round that already included Ahren Innovation Capital.
Oak Ridge spinout Verana Health has completed a $100m round led by existing investor GV that will help it expand its clinical database platform into new areas.
Medipal and Sony Innovation Fund by IGV were among the investors that boosted the liver disease drug spinout's latest round to $52.6m.
CU Boulder spinout Inscripta has now accumulated more than $259m from investors including Institut Mérieux, and will use the capital to further expand its genome engineering platform.
Based on research from Brigham Young University and University of Utah, Sera has added $36m to its funding vault to drive commercialisation of its blood testing system PreTRM.
Building on UCSD intellectual property, EpicentRx is working on immunotherapy drugs intended to target the body's non-specific and adaptive specific immune function synchronously.
Laser project technology company Casiris Technology lured Cash Capital and Cas Star to the table for its series D-plus round.
Sales team-focused voice analytics software developer Cogito, an MIT spinout, attracted investors including Salesforce, New York Life and Goldman Sachs to bring its overall total to $100m.