Focused on building reliable datasets, financial models, and research tools for value-minded investors. Committed to turning complex data into practical guidance for value-investing and long-term wealth.
Dr. Charlie Tian is the founder and CEO of GuruFocus.com, a leading global investment research platform established in 2004. With a Ph.D. in physics, Dr. Tian transitioned from science to finance, applying a data-driven, disciplined approach to value investing.
Deep Fission has the Profitability Rank of 1. It has had trouble to make a profit.
GuruFocus Profitability Rank ranks how profitable a company is and how likely the company's business will stay that way. It is rated on a scale of 1 to 10 and is based on these factors:
1. Operating Margin %
2. Piotroski F-Score
3. Trend of the Operating Margin % (5-year average). The company with an uptrend profit margin has a higher rank.
4. Consistency of the profitability
5. Predictability Rank
A higher score indicates superior profitability, with companies rated 7 or above considered to have more robust and sustainable profit generation. Conversely, a score of 3 or lower suggests challenges in generating consistent profits.
FISN vs RR, TWIN, LXFR: Profitability Rank Comparison
For the Specialty Industrial Machinery subindustry, Deep Fission's Profitability Rank, along with its competitors' market caps and Profitability Rank data, can be viewed below:
* Competitive companies are chosen from companies within the same industry, with headquarter located in same country, with closest market capitalization; x-axis shows the market cap, and y-axis shows the term value; the bigger the dot, the larger the market cap. Note that "N/A" values will not show up in the chart.
Deep Fission Profitability Rank vs Industrial Products Industry
For the Industrial Products industry and Industrials sector, Deep Fission's Profitability Rank distribution charts can be found below:
* The bar in red indicates where Deep Fission's Profitability Rank falls into.
GuruFocus Profitability Rank ranks how profitable a company is and how likely the company's business will stay that way.
The rank is rated on a scale of 1 to 10. A higher score indicates superior profitability, with companies rated 7 or above considered to have more robust and sustainable profit generation. Conversely, a score of 3 or lower suggests challenges in generating consistent profits.
Deep Fission has the Profitability Rank of 1. It has had trouble to make a profit.
Profitability Rank is not directly related to the Financial Strength. But if a company is consistently profitable, its financial strength will be stronger.
Operating Margin % - also known as operating income margin, operating profit margin and return on sales (ROS) - is the ratio of Operating Income divided by net sales or Revenue, usually presented in percent.
* For Operating Data section: All numbers are indicated by the unit behind each term and all currency related amount are in USD. * For other sections: All numbers are in millions except for per share data, ratio, and percentage. All currency related amount are indicated in the company's associated stock exchange currency.
Deep Fission (FISN) has a Profitability Rank of 1 as of Dec. 2025. Profitability and Growth ranks a company based on its profit margins and earnings growth. View historical data on Deep Fission and its competitors. This is near median its historical median of 1.00. Over the past decade, Deep Fission's Profitability Rank has ranged from 1.00 to 1.00.
Is Deep Fission's Profitability Rank too high?
Deep Fission's current Profitability Rank of 1 is near median its 10-year median of 1.00. Over the past 10 years, this metric has ranged from a low of 1.00 to a high of 1.00. Overall, Deep Fission has a GF Score™ of 13/100, reflecting its overall financial health beyond just this single metric.
How does Deep Fission's Profitability Rank compare to RR and TWIN?
Deep Fission's Profitability Rank of 1 can be compared against companies in the Industrial Products industry. Historically, Deep Fission's own Profitability Rank has ranged from 1.00 to 1.00 over the past decade. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good Profitability Rank for an Industrial Products company?
A good Profitability Rank depends on the Industrial Products industry context. However, Profitability Rank should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. Use the industry distribution chart on this page to see where any company falls relative to its peers.
What does a high Profitability Rank mean?
A high Profitability Rank can signal that a stock is expensive relative to its fundamentals. Profitability and Growth ranks a company based on its profit margins and earnings growth. View historical data on Deep Fission and its competitors. Deep Fission's current Profitability Rank is 1, which is near median its own 10-year median of 1.00. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Deep Fission stock overvalued right now?
Deep Fission (FISN) has a current Profitability Rank of 1. The current Profitability Rank is 1, which is near median its 10-year median of 1.00. Deep Fission's overall GF Score™ is 13/100 with 1 warning sign to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is Profitability Rank calculated?
Profitability Rank is calculated from a company's financial statements. For Deep Fission (FISN), the current Profitability Rank is 1 as of Dec. 2025. GuruFocus calculates this using data sourced from SEC filings and annual reports. See the calculation section and 30-year financial data on this page for the full breakdown.
Deep Fission Inc is a nuclear energy technology company developing a small modular reactor based on established pressurized water reactor technology, with novel emplacement in deep boreholes approximately one mile below the Earth's surface. Its reactor, which is referred to as the Gravity Reactor, will leverage subsurface conditions to support key containment and operating functions, including the use of hydrostatic pressure from a water column within the borehole to support reactor operating pressure and cooling, and the surrounding geological formation to provide structural confinement and shielding. The group's focus is within the United States, where electricity demand growth, expanding digital infrastructure, and evolving energy policy.
13GF Score
Get the complete analysis for FISN
Profitability Rank is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.
Quick Browse
Personalize
Premium Gurus 
Create New Portfolio
FISN has been successfully added to your 
