Oura targets $3 billion IPO at $16 billion valuation as wearables surge

Oura is seeking up to $3 billion in an initial public offering at a valuation exceeding $16 billion, according to people familiar with the matter, as the smart ring maker targets a fourth-quarter listing.

"We stand behind our science, research, and accuracy claims," an Oura spokesperson said, responding to a proposed class action filed Aug. 20 that challenges the company's sleep-tracking accuracy. The lawsuit, filed by Clarkson Law Firm in the U.S. District Court for the Northern District of California, alleges Oura's sleep-stage results offer "a coin flip's chance" of being correct.

Oura filed confidentially for an IPO on May 21 and has been interviewing bankers since March, The Information reported. The company, founded in 2013 by Petteri Lahtela, Kari Kivelä, and Markku Koskela, launched its flagship Oura Ring in 2015. The device monitors sleep, activity, and readiness through sensors and algorithms, competing with Apple Watch, Fitbit, WHOOP, and Garmin in the wearable health market.

A successful listing would give investors direct exposure to the consumer health technology segment, which has drawn increasing attention as wearables expand beyond fitness tracking into medical-grade monitoring. The lawsuit, which seeks an injunction against allegedly deceptive marketing and restitution for customers, could complicate the deal by raising questions about how the company markets its AI-driven health features.

Oura's sleep-staging algorithm was developed using more than 1,200 nights of data, the company said, and has been validated in multiple independent studies against polysomnography, the clinical gold standard for sleep measurement. The complaint cites a 2025 Nature study involving 45 nights of data that reported roughly 53 percent overall agreement in sleep-stage classification and found the devices overestimated REM sleep by 31 minutes per night.

The plaintiff, California resident Madison Surber, said she paid $513.68 for an Oura Ring in 2025 after relying on the company's marketing claims. The complaint also cites social media posts in which users reported discrepancies between their perceived sleep quality and the ring's readings.

The company is headquartered in Oulu, Finland, with offices in San Francisco and Helsinki. Specific IPO pricing details, including the share price range, number of shares to be offered, and use of proceeds, have not yet been disclosed.

Legal Challenge Adds Uncertainty

The lawsuit's timing is significant given the IPO timeline. If the court grants the injunction sought by plaintiffs, Oura could be forced to change its marketing language around sleep-stage accuracy, potentially affecting consumer perception and revenue at a critical juncture. The company disputes the allegations and says it intends to defend against them.

The broader IPO pipeline for 2026 includes several large late-stage startups, and the year is shaping up to be the strongest for public listings since 2021, according to Access IPOs. Anthropic, Discord, and Switch are among the companies also preparing to go public, creating competition for investor capital in the consumer technology space.

WHOOP, which gives away its fitness trackers with a recurring membership fee, plans to go public within two years, its CEO said in November. Strava, the fitness-focused social network, filed confidentially for an IPO in January. These listings would add to a crowded field of consumer health and fitness companies seeking public market validation.

This article is for informational purposes only and does not constitute investment advice.