Life insurance platform Ethos has emerged from stealth with backing from investors including Roc Nation as it looks to drive business growth and product development.

Best Buy-backed biometric sensor developer Valencell has secured a series E round led by Sonion, while existing shareholders such as Gii returned.

WME has contributed to a $12m series B round for Influential, which has now raised $26.5m.

The Walt Disney and JF Shea-backed toy robot maker has raised an initial $12m for a funding round it expects to close at $20m.

Optum Ventures-backed Mindstrong Health has raised its series B capital from a consortium that also included new backers Bezos Expeditions and Decheng Capital.

Life insurance platform Ethos has emerged from stealth with backing from investors including Stanford University as it looks to drive business growth and product development.

StrideBio is based on research conducted at University of North Carolina at Chapel Hill and University of Florida.

The oversubscribed round has been backed by Takeda Ventures, UCB and Alexandria Venture Investments, and was led by Hatteras Venture Partners.

ETH Zurich and University of Zurich spinout InSphero has now raised $35m and will commercialise its organ-on-a-chip technology.

Tecan, Waters and Inpeco are among a group of investors that have invested $14m in robotics company Andrew Alliance.