Compare · CEG vs FISN
CEG vs FISN
Side-by-side comparison of Constellation Energy Corporation (CEG) and Deep Fission Inc. (FISN): market cap, price performance, sector, and recent activity on the wire.
Summary
- Both CEG and FISN operate in Electric Utilities: Central (Utilities), so they compete in similar markets.
- CEG is the larger of the two at $88.56B, about 812.6x FISN ($109.0M).
- Over the past year, CEG is down 30.4% and FISN is down 87.8% - CEG leads by 57.4 points.
- CEG has been more active in the news (7 items in the past 4 weeks vs 2 for FISN).
- CEG has more recent analyst coverage (25 ratings vs 0 for FISN).
- Company
- Constellation Energy Corporation
- Deep Fission Inc.
- Price
- $249.77+4.25%
- $1.83+23.99%
- Market cap
- $88.56B
- $109.0M
- 1M return
- -12.37%
- -60.62%
- 1Y return
- -30.35%
- -87.80%
- Industry
- Electric Utilities: Central
- Electric Utilities: Central
- Exchange
- NASDAQ
- NASDAQ
- IPO
- 2026
- News (4w)
- 7
- 2
- Recent ratings
- 25
- 0
Constellation Energy Corporation
Constellation Energy Corporation generates and sells electricity in the United States. The company operates through five segments: Mid-Atlantic, Midwest, New York, ERCOT, and Other Power Regions. It sells natural gas, renewable energy, and other energy-related products and services. The company has 32,400 megawatts of generating capacity consisting of nuclear, wind, solar, natural gas, and hydroelectric assets. It serves distribution utilities; municipalities; cooperatives; and commercial, industrial, governmental, and residential customers. The company was incorporated in 2021 and is headquartered in Baltimore, Maryland. Constellation Energy Corporation was formerly a subsidiary of Exelon Corporation.
Deep Fission Inc.
Deep Fission is developing technology that places a small modular pressurized water reactor in a borehole approximately one mile underground. The Company's Gravity Nuclear Reactor approach combines established pressurized water reactor technology with a novel underground deployment model designed to simplify construction, enhance safety, and support scalable commercial deployment. Deep Fission is focused on delivering reliable, low-carbon baseload power to meet growing electricity demand from utilities, industrial customers, and data centers. The Company is currently advancing the development of its first reactor project in Parsons, Kansas, and was selected for the U.S. Department of Energy's Reactor Pilot Program.
Latest CEG
- Constellation Energy Corporation Declares Dividend
- Constellation Secures Conditional DOE Loan Commitment of up to $5 Billion to Expand Nuclear Output
- Just 7% of the Uranium Delivered to U.S. Reactors Last Year Was U.S.-Origin. The Reactor Pipeline Is Still Moving.
- HSBC Securities initiated coverage on Constellation Energy with a new price target
- ProPetro Appoints Kyle Crowley to Board of Directors
- SEC Form 144 filed by Constellation Energy Corporation
- Constellation Completes Sale of Brazos Valley Energy Center to LS Power
- Google and Constellation Announce Landmark Agreement to Bring 890 MW of New Nuclear Capacity to PJM Grid as Part of Long-Term Power Deal
- SEC Form 4 filed by Director Harrington Charles L.
- SEC Form 4 filed by Director Crandall Roger W