Founded in 2022 by former In-Q-Tel CTO Ravi Pappu, Apeiron Labs develops three-foot-long, 20-pound autonomous underwater vehicles (AUVs) capable of cycling 400 m up and down the water column once or twice per day to sample temperature, salinity and acoustics. Each AUV links to a cloud-based operating system that predicts resurfacing points, uploads sensor readings and refines ocean models on every dive. The cylinders can be launched from boats, airplanes and existing U.S. Navy launchers, allowing rapid, low-cost deployment in lines or arrays spaced 10–20 km apart for high-resolution coverage. Apeiron sells the data and hardware to both civilian markets such as fisheries, offshore wind developers and meteorologists, and to defense customers interested in persistent maritime monitoring. Pappu says the system already reduces the cost of ocean data collection by 100-fold and aims to achieve a 1,000-fold reduction next year. The company positions itself as a “CubeSat for the ocean,” envisioning fleets of dozens or hundreds of units providing continuous sensing. To date, Apeiron Labs has secured $29 million in venture financing, most recently closing a $9.5 million Series A round to scale manufacturing and sales of its AUVs.

Total raised

$10M

Funding rounds

1

Latest round

Series A

Latest activity

Feb 2026