Terrestrial Energy Inc. (IMSR) competitors & alternatives
Industrials · NASDAQ
Terrestrial Energy Inc. (IMSR)'s top competitors and alternatives — its most similar public companies — include NUSCALE POWER CORP CLASS A (SMR), BWX Technologies (BWXT), HYLIION HOLDINGS CORP (HYLN), PLUG POWER INC (PLUG), CECO ENVIRONMENTAL CORP (CECO), NANO NUCLEAR ENERGY INC (NNE), Oklo Inc. (OKLO), NAVITAS SEMICONDUCTOR CORP (NVTS), LIGHTBRIDGE CORP (LTBR), ASP ISOTOPES INC (ASPI), WOLFSPEED INC (WOLF) and UR ENERGY INC (URG). These are Terrestrial Energy Inc.'s closest public-company peers by sub-industry, sector and business themes and is informational only — not financial advice.
Top IMSR competitors & alternatives
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NUSCALE POWER CORP CLASS ASMRIndustrials
NuScale Power is a nuclear technology developer revolutionizing clean energy with its scalable, factory-built small modular reactor (SMR) design.
$8.68 (as of 2026-07-22) · market cap $3.2B
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BWX TechnologiesBWXTIndustrials
BWX Technologies is a critical provider of nuclear reactors, fuel, and components for the U.S.
$175.17 (as of 2026-07-22) · market cap $16.0B
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HYLIION HOLDINGS CORPHYLNIndustrials
Hyliion is developing a fuel-agnostic modular power generator (KARNO Power Module) using proprietary linear generator technology for distributed power…
$3.93 (as of 2026-07-22) · market cap $701M
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PLUG POWER INCPLUGIndustrials
Vertically integrated clean hydrogen producer and fuel cell technology company building end-to-end hydrogen solutions for material handling, industrial power,…
$2.23 (as of 2026-07-22) · market cap $3.2B
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CECO ENVIRONMENTAL CORPCECOIndustrials
CECO Environmental provides critical air and water quality technology and process efficiency solutions to heavy industry, enabling compliance with…
$81.82 (as of 2026-07-22) · market cap $4.8B
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NANO NUCLEAR ENERGY INCNNEIndustrials
Advanced nuclear technology developer designing and commercializing next-generation small modular reactors and nuclear energy infrastructure for industrial and…
$17.32 (as of 2026-07-22) · market cap $890M
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Oklo Inc.OKLOUtilities
Oklo is developing integrated small modular reactors paired with advanced fuel fabrication and recycling capabilities to deliver clean, carbon-free electricity…
$44.50 (as of 2026-07-22) · market cap $7.7B
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NAVITAS SEMICONDUCTOR CORPNVTSInformation Technology
Navitas Semiconductor provides next-generation gallium nitride (GaN) and silicon carbide (SiC) power chips to enhance efficiency and power density in AI data…
$12.67 (as of 2026-07-22) · market cap $3.0B
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LIGHTBRIDGE CORPLTBREnergy
Lightbridge is a nuclear fuel technology company developing proprietary, high-performance fuel designs aimed at enhancing the economics and safety of nuclear…
$8.18 (as of 2026-07-22) · market cap $296M
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ASP ISOTOPES INCASPIMaterials
An advanced materials company commercializing proprietary isotope enrichment technologies for nuclear medicine, semiconductors, and small modular reactors,…
$4.08 (as of 2026-07-22) · market cap $514M
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WOLFSPEED INCWOLFInformation Technology
Wolfspeed is a pioneer in silicon carbide materials and power devices that drive the transition to high-efficiency energy systems, particularly in the…
$29.27 (as of 2026-07-22) · market cap $1.7B
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UR ENERGY INCURGEnergy
A Wyoming-based uranium producer ramping up in-situ recovery operations at Lost Creek and Shirley Basin to supply nuclear fuel amid growing demand from AI data…
$1.30 (as of 2026-07-22) · market cap $740M
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Peers are Terrestrial Energy Inc.'s closest public companies by shared sub-industry, sector and business themes. See the full profile: Terrestrial Energy Inc. (IMSR).
Last updated 2026-07-22.
Informational only — NOT financial advice. Company data is sourced from SEC EDGAR + Finnhub and shown with its as-of date.