What Happened to Oklo Inc. (OKLO)?
Oklo Inc. is an advanced nuclear technology company specializing in fast-fission microreactors and nuclear fuel recycling. After going public in May 2024, the company has secured significant regulatory approvals from the U.S. Department of Energy and the Nuclear Regulatory Commission in early 2026, alongside a major partnership with Meta to power AI data centers, positioning itself for commercial deployment despite being pre-revenue.
Quick Answer
Oklo Inc. (OKLO) is an advanced nuclear technology company that went public in May 2024, focusing on developing fast-fission microreactors and producing radioisotopes. As of March 2026, Oklo has achieved key regulatory milestones, including U.S. Department of Energy (DOE) approvals for its Aurora powerhouse design at Idaho National Laboratory and its Groves Isotopes Test Reactor in Texas, and an NRC materials license for isotope handling. The company also announced a significant partnership with Meta to support a 1.2 GW nuclear power campus in Ohio, aiming to meet the growing energy demands of AI data centers. While currently pre-revenue and reporting losses, these developments accelerate its path toward commercialization, with initial isotope sales expected in 2026 and reactor operations by 2028.
📊Key Facts
📅Complete Timeline15 events
Oklo Inc. Founded
Jacob and Caroline DeWitte founded Oklo Inc. in Santa Clara, California, with a focus on developing advanced nuclear reactors.
Participates in Y Combinator
Oklo participated in the prestigious Y Combinator startup accelerator, marking an early milestone in its development.
Sam Altman Joins as Chairman
OpenAI co-founder Sam Altman became the Chairman of Oklo's Board of Directors, bringing significant tech industry backing and vision.
First COLA Submission to NRC
Oklo became the first advanced fission company to submit a combined license application (COLA) to the U.S. Nuclear Regulatory Commission (NRC).
NRC Denies COLA
The NRC denied Oklo's 2020 COLA for a 1.5 MW Aurora powerhouse due to insufficient information, though this effort provided valuable regulatory groundwork.
Goes Public via SPAC Merger
Oklo merged with AltC Acquisition Corp., a SPAC founded by Sam Altman, and began trading on the New York Stock Exchange (NYSE) under the ticker 'OKLO,' receiving $306 million in gross proceeds.
Acquires Atomic Alchemy
Oklo fully acquired Atomic Alchemy, a radioisotopes company, expanding its capabilities to include the production and distribution of critical isotopes.
Sam Altman Steps Down as Chairman
Sam Altman stepped down as Chairman of Oklo's Board of Directors to avoid potential conflicts of interest ahead of energy supply discussions between OpenAI and Oklo.
Selected for DOE Reactor Pilot Program
Oklo was among several advanced nuclear developers chosen for the U.S. Department of Energy's (DOE) Reactor Pilot Program, aimed at fast-track deployment of nuclear energy for AI data centers.
Groundbreaking at Idaho National Laboratory
Oklo began pre-construction of its first Aurora powerhouse at Idaho National Laboratory (INL), a key step towards commercial operations.
Meta Partnership Announced
Oklo announced a major partnership with Meta to support a 1.2 gigawatt nuclear power campus in Ohio, addressing the energy demands of AI data centers.
Raises $1.18 Billion in Equity
Oklo completed its $1.5 billion at-the-market (ATM) program, raising an additional $1.182 billion net in equity, significantly bolstering its liquidity.
DOE Approves Aurora-INL Design Agreement
The U.S. Department of Energy (DOE) approved the Nuclear Safety Design Agreement (NSDA) for Oklo's Aurora powerhouse at Idaho National Laboratory (INL), moving the project into its execution phase.
NRC Grants Isotope Materials License to Atomic Alchemy
Oklo's subsidiary, Atomic Alchemy, received its first materials license from the U.S. Nuclear Regulatory Commission (NRC), enabling it to handle, process, and distribute isotopes from its Idaho Radiochemistry Laboratory, with initial commercial sales expected this year.
Reports Q4 2025 Earnings
Oklo Inc. reported its Q4 2025 earnings, posting an EPS of -$0.27, missing analysts' consensus estimates of -$0.17. The company also reported a net loss of $105.7 million for the full year 2025.
🔍Deep Dive Analysis
Oklo Inc., founded in 2013 by Jacob and Caroline DeWitte, emerged with a vision to revolutionize energy production through advanced nuclear reactors. The company's name is inspired by the natural nuclear fission reactor discovered in Oklo, Gabon, emphasizing its focus on inherently safe, self-sustaining nuclear technology. Oklo's primary product line is the Aurora powerhouse, a fast-fission reactor designed to generate 15-75 MWe of electrical power, capable of running on recycled nuclear fuel.
Initially operating as UPower, Oklo participated in the Y Combinator startup accelerator in 2014 and saw OpenAI co-founder Sam Altman become Chairman of its Board of Directors in 2015. A significant turning point occurred in May 2024 when Oklo merged with AltC Acquisition Corp., a SPAC led by Sam Altman, and began trading publicly on the NYSE under the ticker 'OKLO,' raising approximately $306 million in gross proceeds. Altman later stepped down as Chairman in April 2025 to avoid conflicts of interest ahead of potential energy supply agreements between OpenAI and Oklo.
Oklo has navigated a complex regulatory landscape. While its initial combined license application (COLA) for a 1.5 MW Aurora powerhouse was denied by the U.S. Nuclear Regulatory Commission (NRC) in 2022 due to insufficient information, this pioneering effort laid crucial groundwork for advanced reactor licensing. In May 2025, Oklo was selected for the U.S. Department of Energy's (DOE) Reactor Pilot Program, a federal initiative aimed at fast-tracking advanced nuclear deployment, particularly for AI data centers.
The company's strategic expansion includes the acquisition of radioisotopes company Atomic Alchemy in March 2025, aiming to produce radioisotopes for medical and industrial applications through its nuclear fuel recycling process and fast reactor technology. As of March 2026, Oklo achieved several critical regulatory milestones. Its subsidiary, Atomic Alchemy, received its first materials license from the NRC, allowing it to handle, process, and distribute isotopes from its Idaho Radiochemistry Laboratory, with initial commercial sales expected in 2026. Concurrently, the DOE approved the Nuclear Safety Design Agreements (NSDA) for Oklo's Aurora powerhouse project at Idaho National Laboratory (INL) and for Atomic Alchemy's Groves Isotopes Test Reactor in Texas, accelerating both power generation and isotope production plans.
Financially, Oklo remains a pre-revenue company, reporting a net loss of $105.7 million for 2025. However, it boasts a strong liquidity position, ending 2025 with approximately $1.4 billion in cash and marketable securities, further bolstered by an additional $1.182 billion raised in January 2026, bringing its pro forma liquidity to around $2.582 billion. This capital is crucial for funding its ambitious construction and development plans, including the Aurora-INL project targeting commercial operations by 2028. A significant commercial development in January 2026 was a partnership with Meta, which agreed to support a 1.2 GW nuclear power campus in Ohio, providing essential funding and highlighting the growing demand for reliable, carbon-free energy for AI infrastructure. Oklo's stock has experienced significant volatility, surging in 2025 and early 2026 due to these partnerships and regulatory progress, though it has also seen declines. The company's focus has now shifted from planning to execution, with investors closely watching its ability to deliver on its projects and generate revenue, which is not expected until late 2027 or early 2028 for power generation.
What If...?
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