34 stocks in the theme · theme 1-month +7.8% · as of 2026-06-18
Nuclear Power is bouncing back: its median constituent jumped 9.7% over the past week after falling 2.1% over the prior three months, with 82% of its members advancing. Companies in nuclear energy generation, uranium mining, fuel processing, and reactor technology.
Below are the 10 largest Nuclear Power stocks by market capitalization, led by GEV (GE Vernova Inc.) at $260.2B. Each is shown with its 1-month, 3-month, and year-to-date performance, relative-strength rank, and recent price action — a snapshot of where the money and momentum sit in the theme today.
These are the recognizable leaders, not micro-cap lottery tickets: ranking by market cap surfaces the companies with the scale, liquidity, and institutional ownership to actually represent the theme. Use the relative-strength column to separate the names outperforming the broad market from those just along for the ride.
GE Vernova is a global leader in the electric power industry, with products and services that generate, transfer, convert, and store electricity. The company has three business segments: power, wind, and electrification. Power includes gas, nuclear, hydroelectric, and steam…
GEV (GE Vernova Inc.) commands a $260.2B market cap. Within the theme it sits in the Nuclear Services & Equipment sub-group. The stock is up +9.7% over the past month — clear momentum. With RS at 95, it's outperforming the broad tape. Over longer windows it's +26.5% in three months and +63.3% year-to-date.
#2. CEG — Constellation Energy Corporation Common Stock · $103.9B
Electric Utilities · Electric Utilities — Regulated & Renewable · Public since 2022
Constellation Energy Corp producer of carbon-free energy and a supplier of energy products and services. The company offers generating capacity that includes nuclear, wind, solar, natural gas, and hydroelectric assets. It sells electricity, natural gas, and other energy-related…
CEG (Constellation Energy Corporation Common Stock) carries a $103.9B valuation. Within the theme it sits in the Nuclear Services & Equipment sub-group. A +5.1% one-month move shows buyers in control. Relative strength is weak at 36; it's lagging the market. Over longer windows it's -13.4% in three months and -25.2% year-to-date.
#3. TRP — TC Energy Corporation · $69.4B
Oil & Gas Midstream · Pipeline Systems — Crude Oil & Ngl · Public since 1985
TC Energy operates natural gas transmission assets across North America. Segments are determined by country of operation, but both Canadian and US operations are interconnected. Mexican operations are disconnected from the US and only have one customer, the state utility CFE.…
TRP (TC Energy Corporation) is a $69.4B name. Within the theme it sits in the Nuclear Services & Equipment sub-group. It's roughly flat over the past month (-2.4%). An RS rank of 82 puts it among the market's leaders. Over longer windows it's +5.5% in three months and +21.0% year-to-date.
#4. VST — Vistra Corp. · $54.0B
Electric Utilities · Electric Utilities — Regulated & Renewable · Public since 2016
Vistra Corp. is one of the largest power producers and retail energy providers in the US. It owns 44 gigawatts of generation capacity, including natural gas (27 GW), nuclear (6.5 GW), coal (8.7 GW), and solar and battery storage (1.3 GW). The Cogentrix acquisition will add 5.5…
VST (Vistra Corp.) is a $54.0B name. Within the theme it sits in the Nuclear Services & Equipment sub-group. A +21.6% one-month move shows buyers in control. Relative strength is weak at 38; it's lagging the market. Over longer windows it's -2.2% in three months and -0.9% year-to-date.
#5. ETR — Entergy Corporation · $49.9B
Electric Utilities · Electric Utilities — Regulated & Renewable · Public since 1972
Entergy is a holding company with five regulated vertically integrated utilities that generate and distribute electricity to 3 million customers in Arkansas, Louisiana, Mississippi, and Texas. It is one of the largest power producers in the country with 27 gigawatts of…
ETR (Entergy Corporation) carries a $49.9B valuation. Within the theme it sits in the Nuclear Services & Equipment sub-group. The past month has been quiet — +0.5%. Relative strength is strong at 82 — it's outpacing most of the market. Over longer windows it's +6.9% in three months and +18.4% year-to-date.
#6. CCJ — Cameco Corporation · $49.1B
Metals & Mining · Uranium — Multi-Mineral Extraction · Public since 1996
Cameco Corp is a provider of uranium needed to generate clean, reliable baseload electricity around the globe and is one of those uranium producers. It has three reportable segments: Uranium, Fuel Services, and Westinghouse, deriving maximum revenue from the Westinghouse…
CCJ (Cameco Corporation) is a $49.1B name. Within the theme it sits in the Uranium Mining & Fuel sub-group. It's roughly flat over the past month (+2.9%). An RS rank of 87 puts it among the market's leaders. Over longer windows it's -0.1% in three months and +8.0% year-to-date.
#7. PEG — Public Service Enterprise Group Incorporated · $39.2B
Electric Utilities · Electric Utilities — Regulated & Renewable · Public since 1972
Public Service Enterprise Group is the holding company for a regulated utility (PSE&G) and PSEG Power, which owns all or a share of three nuclear plants and clean energy projects. PSE&G provides regulated gas and electricity delivery services in New Jersey to a combined 4.3…
PEG (Public Service Enterprise Group Incorporated) commands a $39.2B market cap. Within the theme it sits in the Nuclear Services & Equipment sub-group. It's roughly flat over the past month (+3.3%). An RS rank of 42 is middling — neither leader nor laggard. Over longer windows it's -3.5% in three months and -1.4% year-to-date.
#8. CW — Curtiss-Wright Corp. · $27.6B
Industrial Equipment · Precision Components — Multi-Industry Manufacturing · Public since 1969
Curtiss-Wright Corporation delivers engineered products and services to commercial, defence, power generation, and other industrial markets. It offers industrial vehicle components, control systems, weapons handling systems, pumps, valves, and other solutions. The company has…
CW (Curtiss-Wright Corp.) is a $27.6B name. Within the theme it sits in the Nuclear Services & Equipment sub-group. The stock is up +9.5% over the past month — clear momentum. An RS rank of 89 puts it among the market's leaders. Over longer windows it's +11.6% in three months and +34.9% year-to-date.
#9. BWXT — BWX Technologies, Inc. · $17.9B
Aerospace & Defense · Defense — Prime Contractor · Public since 2010
BWX Technologies Inc is a specialty manufacturer and service provider of nuclear components, operating in two segments: Government Operations and Commercial Operations. The Government Operations segment produces naval nuclear reactors and fuel for the U.S. Naval Nuclear…
BWXT (BWX Technologies, Inc.) is a $17.9B name. Within the theme it sits in the Nuclear Services & Equipment sub-group. The past month has been quiet — +4.1%. An RS rank of 85 puts it among the market's leaders. Over longer windows it's -2.2% in three months and +13.0% year-to-date.
#10. TLN — Talen Energy Corporation Common Stock · $17.6B
Electric Utilities · Electric Utilities — Regulated & Renewable · Public since 2023
Talen Energy Corp is an independent power producer and energy infrastructure company based in the United States. It owns and operates several gigawatts of power infrastructure in the United States, including 2.2GW of nuclear power and a dispatchable fossil fleet. The company…
TLN (Talen Energy Corporation Common Stock) carries a $17.6B valuation. Within the theme it sits in the Nuclear Services & Equipment sub-group. The stock is up +38.7% over the past month — clear momentum. Relative strength is strong at 87 — it's outpacing most of the market. Over longer windows it's +28.3% in three months and +10.0% year-to-date.