Optum Ventures and Heritage Provider Network reinvested as the healthcare expertise platform increased its overall funding to $40m with a series C round led by Deerfield Managment.

The ultrasound surgery system developer is targeting $150m at a $1.3bn post-money valuation, with Koch Disruptive Technologies supplying $100m.

The Pharmaron-backed cancer therapy developer is targeting $100m in an initial public offering preceded by $162m in funding.

The Qualcomm-backed musculoskeletal assessment software developer boosted its overall funding to $26m with a round led by GSR Ventures.

Fibre optic networking technology developer Elenion Technologies has agreed to be sold after receiving a strategic investment from Koch unit Molex Ventures two years ago.

Uday Kumar, whose previous spinout iRhythm is trading with a market cap of $2.6bn, has collected $145.6m in a GV-backed round for his latest venture.

Horizon Blue Cross Blue Shield of New Jersey took part in an equity and debt round for medical communication app developer led by Health Catalyst Capital.

Rhapsody and MediaNet have both exited music copyright management platform Dubset in an acquisition by peer Pex likely to have been priced between $25m and $50m.

Portal Innovations will target biomedical spinouts from across the Midwest under the direction of ex-UChicago innovation veteran John Flavin.

UMC Capital is set to exit data storage platform developer SwiftStack in an acquisition by Nvidia six years after the company's most recent funding.