OKLO Q2 Loss Widens Y/Y, Misses Estimates on Higher Costs

OKLO Revenues Emerge From Acquisitions

Second-quarter revenues included $800,000 from engineering and consulting services, $168,000 from manufacturing and fabrication services and $242,000 from other activities. OKLO generated no revenues in the year-ago quarter.

The company said revenues primarily resulted from its 2026 acquisitions. In June, it acquired ARMEC and Creative Engineers, adding precision manufacturing, mechanical engineering and chemical process engineering capabilities. The acquired businesses continue serving established third-party customers.

OKLO Costs Climb on Project Execution

Research and development expenses jumped 244.2% year over year to $39.5 million. The increase included $14.7 million of higher professional-services costs and $7.1 million of increased employee compensation, reflecting greater engineering activity and an average headcount increase of roughly 109 employees.

General and administrative expenses rose 106.7% to $34.2 million. Higher employee compensation contributed $6.6 million, while professional services added $6.2 million. Interest and dividend income increased 517.1% to $23.21 million, supported by larger cash and marketable-security balances following equity issuances.

The spending increase also comes as competition across advanced nuclear intensifies. NuScale Power SMR emphasized in its latest quarter that it has spent years building commercial readiness through NRC approvals, conventional low-enriched uranium and a network of more than 60 specialized suppliers. NANO Nuclear Energy NNE, meanwhile, is investing in the development and licensing of its KRONOS MMR while pursuing vertical integration across the nuclear fuel cycle.

OKLO Advances Aurora Deployment

At Aurora-INL, the Department of Energy approved the Preliminary Documented Safety Analysis, establishing the preliminary safety basis needed to advance final design and construction. Site mobilization is underway, while excavation for the reactor area was nearing completion at the time of the earnings call.

OKLO is also advancing its planned 1.2-gigawatt Ohio power campus. An MOU with Kiewit covers engineering, procurement, construction and execution planning for the initial phase. The Zacks Rank #4 (Sell) company is progressing PJM interconnection applications, transmission planning and related technical studies for the site.

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The push toward larger power opportunities reflects a broader industry focus on serving data centers and other energy-intensive customers. NuScale Power said it remains in discussions with hyperscalers and is supporting potential large-scale deployments through its commercial partner ENTRA1 Energy. NANO Nuclear has similarly highlighted data-center demand, completing a feasibility study for its KRONOS MMR to provide up to 1 gigawatt of power for BaRupOn's planned AI data-center and manufacturing campus in Texas.

OKLO Expands Its Fuel Supply Strategy

OKLO is taking several steps to secure the fuel needed for its future reactors. The company signed a letter of intent with Centrus for enough high-assay low-enriched uranium (HALEU) to support the initial reactor cores and reloads for up to five Aurora powerhouses over several years. Deliveries are expected to begin in 2029. OKLO is also exploring government-supplied materials and fuel recycling to diversify its fuel sources.

Equipment for the Aurora Fuel Fabrication Facility is now being produced, with installation and start-up activities planned for 2027. OKLO is also advancing engineering and preparations for a license application for its Advanced Fuel Center in Tennessee. In addition, the company is in advanced discussions with the Department of Energy about potentially using surplus plutonium as reactor fuel.

OKLO’s Groves Facility Reaches Criticality

OKLO reached another important milestone when its Groves isotope facility achieved first criticality on Aug. 5, less than a year after construction began. The company said major construction work was completed in just 229 days. The project was built on private land using private funding and commercial suppliers, with safety oversight from the Department of Energy.

OKLO sees Groves as an example of how it could develop future nuclear projects more quickly. The project gave the company experience in areas ranging from purchasing and construction to regulatory approval, testing and operations. OKLO expects Groves to begin producing research and development quantities of isotopes in about 12 months, while its Idaho laboratory is expected to generate initial isotope revenues in early 2027.

OKLO Raises 2026 Cash-Use Outlook

Oklo ended June with $3 billion in cash, cash equivalents and marketable debt securities. Cash used in operating activities totaled $65.5 million during the first six months, while purchases of property, plant and equipment reached $126.9 million.

Management raised its 2026 operating cash-use forecast to $120-$150 million from $80-$100 million. The company also lifted its expected property, plant and equipment spending to $400-$500 million from $350-$450 million, reflecting accelerated Aurora-INL procurement and construction activity and an opportunistic fuel purchase for future isotope projects.

Peer liquidity is also sizable: NuScale Power ended the second quarter with approximately $1.9 billion in cash, cash equivalents and investments, while NANO Nuclear reported approximately $569 million in cash, cash equivalents and short-term investments. Against that backdrop, OKLO's $3 billion liquidity position provides substantial capacity to support its accelerated deployment and fuel strategy.

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