Theme
Nuclear '25: SMRs, Microreactors & Advanced Reactors☆
10 tickers$518.57B market cap
Group: Nuclear
OKLO-63.73%17.0%
XE—16.0%
SMR-78.17%15.0%
IMSR-67.15%12.0%
GEV+53.70%10.0%
RR.LSE+27.60%9.0%
BWXT-15.29%8.0%
NNE—5.0%
7011.T-0.77%4.0%
FISN—4.0%
As of Sep 18, 2026, 9:54 PM ET
Nuclear '25: SMRs, Microreactors & Advanced Reactors Constituents
Oklo Inc.OKLO | 17.0% | -4.16% | -12.09% | -7.94% | -1.18% | -46.94% | -39.52% | 67.73% | -63.73% | 474.89% | 286.57% | $6.61B |
X-Energy, Inc. Class A Common StockXE | 16.0% | — | — | — | — | — | — | — | — | — | — | $346.1M |
NuScale Power CorporationSMR | 15.0% | -8.83% | -25.58% | -3.70% | -9.66% | -41.28% | -35.25% | -44.94% | -78.17% | -13.94% | -17.79% | $2.47B |
Terrestrial Energy Inc.IMSR | 12.0% | -5.13% | -25.84% | -23.68% | -15.56% | -31.18% | -39.06% | -60.33% | -67.15% | -58.27% | -58.27% | $344.1M |
GE Vernova Inc.GEV | 10.0% | 1.66% | -3.32% | -6.52% | 4.51% | 43.68% | 7.50% | 183.88% | 53.70% | 284.96% | 616.98% | $250.44B |
Rolls-Royce Holdings plcRR.LSE | 9.0% | -2.01% | -2.63% | -6.25% | -1.20% | 26.08% | 8.62% | 98.13% | 27.60% | 177.79% | 1170.91% | $160.07B |
BWX Technologies, Inc.BWXT | 8.0% | 0.80% | -8.36% | -10.91% | -9.00% | -14.83% | -28.54% | 45.20% | -15.29% | 52.17% | 181.52% | $13.51B |
Nano Nuclear Energy Inc.NNE | 5.0% | — | — | — | — | — | — | — | — | 48.54% | — | $844.7M |
Deep Fission, Inc.FISN | 4.0% | — | — | — | — | — | — | — | — | — | — | $511.0M |
Mitsubishi Heavy Industries, Ltd.7011.T | 4.0% | -0.21% | 3.00% | -9.83% | 3.84% | 1.02% | -22.64% | 42.36% | -0.77% | 91.08% | 795.34% | $83.42B |
| Average | 10.0% | -2.55% | -10.69% | -9.83% | -4.04% | -9.06% | -21.27% | 47.43% | -20.54% | 132.15% | 425.04% | $51.86B |
| Median | 9.5% | -2.01% | -8.36% | -7.94% | -1.20% | -14.83% | -28.54% | 45.20% | -15.29% | 71.63% | 286.57% | $4.54B |
| Std Dev | 4.6% | 3.45% | 10.46% | 6.07% | 6.97% | 31.88% | 19.35% | 77.25% | 47.22% | 164.16% | 420.62% | $82.85B |
| Min | 4.0% | -8.83% | -25.84% | -23.68% | -15.56% | -46.94% | -39.52% | -60.33% | -78.17% | -58.27% | -58.27% | $344.1M |
| Max | 17.0% | 1.66% | 3.00% | -3.70% | 4.51% | 43.68% | 8.62% | 183.88% | 53.70% | 474.89% | 1170.91% | $250.44B |
| % Positive Tickers | 28.57% | 14.29% | 0.00% | 28.57% | 42.86% | 28.57% | 71.43% | 28.57% | 75.00% | 71.43% |
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About this theme
Nuclear '25: SMRs, Microreactors & Advanced Reactors tracks 10 publicly listed stocks in this theme: OKLO, XE, SMR, IMSR, GEV, RR.LSE, BWXT, NNE, 7011.T, FISN. See the constituent table for details.