Oura Health Is Said in Talks for Funding at $800 Million Value

Oura Health Oy, a Finnish maker of devices that track sleep, physical activity and other measures of well-being, is in talks with investors to raise funds at a valuation of about $800 million, according to people with knowledge of the matter.

The discussions mark the second fundraising in as many years for Oura, which last year raised $28 million from Google’s Gradient Ventures, Square Inc. and Forerunner Ventures. Earlier investors include Michael Dell’s MSD Capital, actor Will Smith and former professional basketball center Shaquille O’Neal. Investors in the current round and the amount being raised couldn’t ...