Oklo (OKLO) is a publicly traded Small Modular Reactors company founded in 2013 and based in Santa Clara, USA.
| Date | Stage | Amount | Valuation | Lead investors |
|---|---|---|---|---|
| May 10, 2024 | IPO | $306M | $850M | — |
Oklo's FY 2024 shareholder letter focuses on operational milestones for a pre-revenue advanced nuclear company. The company went public in May 2024 via a business combination with AltC Acquisition Corp., receiving $276 million in net proceeds. Customer pipeline reached approximately 14 GW, anchored by a non-binding Master Power Agreement with Switch for 12 GW and a Letter of Intent with Equinix for 500 MW (accompanied by a $25 million pre-payment). Oklo expanded its powerhouse design to 75 MW, acquired Atomic Alchemy for radioisotope production, and partnered with RPower on a gas-to-nuclear bridge strategy. Site work began at Idaho National Laboratory for the first Aurora powerhouse, targeted for commercial operation by late 2027 to early 2028. Full-year loss from operations was $52.8 million; net loss was $73.6 million. Cash and marketable securities totaled $275.3 million at year-end. No revenue was reported.

Oklo plans to produce medical and space-grade isotopes from its advanced reactors.
Oklo receives key regulatory approvals from the NRC for its advanced nuclear reactor design.
A US company launches the first commercial nuclear satellite on a SpaceX mission.
Ampera completes the first full-scale, 3D-printed nuclear reactor module in the US.
Centrus and Oklo sign a multi-year HALEU supply agreement to fuel up to five Aurora reactors, with deliveries starting in 2029.
A liquid metal-cooled, metal-fueled fast fission microreactor scaled from 15 to 75 MWe, designed to be factory-built and deployed at customer sites under a power purchase agreement. Draws on the EBR-II operating heritage and can run on high-assay low-enriched uranium (HALEU) or recycled used nuclear fuel. The first Aurora, at Idaho National Laboratory, broke ground in September 2025 and targets commercial operation in late 2027. Oklo owns and operates all units, selling electricity as a service.
4 patents on file, but none with both an extractable figure and an abstract on Google Patents yet.