Small Modular Reactors (SMRs) Stocks
Advanced nuclear fission technology providers and their supporting supply chains focus on deploying factory-fabricated, scalable reactors designed to lower the massive capital expenditures and long lead times associated with traditional large-scale plants.
As of Oct 23, 2026, Small Modular Reactors (SMRs) has 16 US-listed companies worth $30.9B combined. The median member moved -7.4% over the past week; SAIH led at +5.5% and FISN trailed at -33.3%.
Companies in Small Modular Reactors (SMRs)
- BWXT – BWX Technologies Inc, $11.7B
- OKLO – Oklo Inc., $4.9B
- XE – X-Energy, Inc. Class A Common Stock, $4.3B
- LEU – Centrus Energy Corp., $2.6B
- SMR – Nuscale Power Corp, $2.2B
- STDN – Standard Nuclear, Inc., $2B
- NWCL – newcleo plc Ordinary Shares, $1.2B
- NNE – Nano Nuclear Energy Inc. Common Stock, $699M
- FISN – Deep Fission, Inc. Common Stock, $328M
- IMSR – Terrestrial Energy Inc, $323M
- NKLR – Terra Innovatum Global N.V. Ordinary shares, $272M
- LTBR – Lightbridge Corp, $191M
- NUCL – Eagle Nuclear Energy Corp. Common stock, $162M
- SAIH – SAIHEAT Limited, $45.4M
- FNUC – Frontier Nuclear and Minerals Inc., $41.6M
- ONEN – ONEN