Nuclear Stocks Rally as Google’s Reactor Deal Lifts the Sector: NANO Nuclear Energy and Oklo Jump 8%, NuScale Power Gains 7%

Alphabet‘s (NASDAQ:GOOGL | GOOGL Price Prediction) Google is paying to get more output from nuclear reactors that already run. Stocks rallying hardest on the news belong to companies whose reactors don’t exist yet. Google’s agreement with Constellation Energy (NASDAQ:CEG) has restored appetite for small modular reactor developers after a hard year for the group.

Among the biggest winners, NANO Nuclear Energy (NASDAQ:NNE) stock has climbed 8%, recently trading at $16.79. Also, Oklo (NYSE:OKLO) shares are climbing 8% to $38.81 on the same catalyst. Meanwhile, NuScale Power (NYSE:SMR) stock is gaining 7% to $8.20, the smallest advance of the three.

Sector-wide enthusiasm is lifting the Global X Uranium ETF (NYSEARCA:URA), which is up 5%. The SPDR S&P 500 ETF Trust (NYSEARCA:SPY) is up 0.8%, leaving the nuclear trade well ahead of the broad market. That gap shows the buying concentrated in nuclear and uranium names.

Google Pays for More Output From Existing Reactors

Google and Constellation Energy announced a long-term agreement that funds efficiency upgrades at operating nuclear reactors, adding capacity to the PJM Interconnection grid from existing sites. Getting extra output from existing units is cheaper and faster than new construction, and data centers need supply now.

Traders have read the deal as validation that hyperscale buyers will pay for firm nuclear power, lifting Oklo, NuScale Power and NANO Nuclear Energy, whose reactors remain in development. Separately, NANO Nuclear Energy appointed a nuclear materials specialist to support its microreactor work.

Pre-Revenue Developers Ride a Deal Built for Running Plants

All three rising names are pre-revenue small modular reactor developers, valued on licensing progress, order books and the credibility of a first deployment. Constellation Energy already sells power from running reactors.

Oklo stock is down 46% year to date, the worst decline of the three. Shares of NuScale Power are down 42% over the same stretch, while NANO Nuclear Energy stock is off 30%. Those losses frame the move as a broad repricing of sentiment toward the technology as a whole.

Among the three, NuScale Power holds a distinction its rivals lack as the only small modular reactor provider with a design certified by the U.S. Nuclear Regulatory Commission. That regulatory head start gives the company a clearer licensing record, though a first commercial deployment still lies ahead. Elsewhere in the group, Oklo is developing its Aurora powerhouse, while NANO Nuclear Energy is focused on microreactors.

A Real Demand Signal With Clear Limits

The read-across is real in one respect: hyperscalers paying a premium for firm nuclear output establish the demand all three developers are building toward (we picked five ways to play the restart, utilities and fuel included, in a free nuclear report). Yet Google’s agreement leaves their licensing and construction schedules where they were.

Direct stakes in all three developers help explain the gain in the Global X Uranium ETF. Oklo accounted for 6.1% of the fund’s net assets as of July 31, with NuScale Power at 3% and NANO Nuclear Energy at 0.7%. That weighting ties the fund’s daily move more closely to Oklo stock than to the smaller developers.

What to Watch Next

Licensing milestones and an on-schedule first deployment matter most from here, so watch for regulatory progress at each company and for any hyperscale buyer that extends nuclear agreements to new small modular reactor designs. Given NuScale Power’s certified design, licensing news from Oklo and NANO Nuclear Energy may carry extra weight.

Sharp gains can fade quickly, since all three stocks remain deep in the red for the year and each company is still pre-revenue. So, prudent investors should moderate their position sizes in these headline-driven nuclear stocks.

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