Bel Fuse (STU:BF2B) GF Score: 70/100 (As of Jul. 16, 2026) — Near Median

Author: Vera Yuan Vera Yuan
Vera Yuan
Vera Yuan
Director of Data and Quant Analytics at GuruFocus
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.
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Charlie Tian
Charlie Tian
Founder & CEO of GuruFocus
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.

STU:BF2B Bel Fuse Inc STU:BF2B
70 GF Score
Price €238.00
GF Value €85.10
Valuation Significantly Overvalued
! 3 Warning Signs
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What is Bel Fuse GF Score?

Bel Fuse STU:BF2B +3.48% 70 GF Score is 70 as of Jul. 16, 2026, which is 6% above its 10-year median of 66.00. GuruFocus rates STU:BF2B with a GF Score™ of 70/100 and a GF Value™ of €85.10 (Significantly Overvalued). The stock has 3 warning signs investors should review.

Bel Fuse has the GF Score of 70, which implies that the company might have Poor future performance potential.

The GF Score is a stock performance ranking system developed by GuruFocus using five aspects of valuation, which has been found to be closely correlated to the long-term performances of stocks by backtesting from 2006 to 2021. The stocks with a higher GF Score generally generate higher returns than those with lower GF Scores. Therefore, when picking stocks, investors should invest in companies with high GF Scores. The GF Score ranges from 0 to 100, with 100 as the highest rank.

GF Score takes following five key aspects into consideration:

1. Financial Strength : 7/10
2. Profitability Rank : 6/10
3. Growth Rank : 8/10
4. GF Value Rank : 1/10
5. Momentum Rank : 3/10

Each one of these components is ranked and the ranks also have positive correlation with the long term performances of stocks. The GF score is calculated using the five key aspects of analysis. Through backtesting, we know that each of these key aspects has a different impact on the stock price performance. Thus, they are weighted differently when calculating the total score. The Profitability Rank and the Growth Rank are weighted fully, while other parameters have less weight.

Based on research and backtesting result, GuruFocus believes Bel Fuse might have Poor future performance potential.

Please click GF Score to see more details on the GF Score's 5 Key Aspects of Analysis.


Bel Fuse  (STU:BF2B) GF Score Explanation

Based on the historical long-term performances among five valuation aspects, the GF Score is found to be closely correlated to the long-term performances of stocks. It ranges from 0 to 100, with 100 as the highest. GuruFocus divided GF Score into following 5 categories:

GF Score Performance Potential and All-in-One Screener Examples (1)
91 - 100Highest outperformance potential
81 - 90Good outperformance potential
71 - 80Likely to have average performance
51 - 70Poor future performance potential
0 - 50Worst future performance potential, or not enough data

(1) These are some simple examples. You can access our GF Score filter under All-in-One Screener’s Fundamental tab.


Bel Fuse GF Score Related Terms


STU:BF2B vs OLED, OSIS, KN: GF Score Comparison

For the Electronic Components subindustry, Bel Fuse's GF Score, along with its competitors' market caps and GF Score 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.


Bel Fuse GF Score vs Hardware Industry

For the Hardware industry and Technology sector, Bel Fuse's GF Score distribution charts can be found below:

* The bar in red indicates where Bel Fuse's GF Score falls into.


STU:BF2B
70GF Score
Bel Fuse Inc STU:BF2B
GF Score is just one metric. See GF Score™, valuation, warning signs, and more.
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Frequently Asked Questions Learn more about GF Score →
What does a GF Score of 70 mean?
Bel Fuse (STU:BF2B) has a GF Score of 70 as of Jul. 16, 2026. GF Score is a stock performance ranking system developed by GuruFocus using five aspects of valuation. View historical data on Bel Fuse and its competitors. This is near median its historical median of 66.00. Over the past decade, Bel Fuse's GF Score has ranged from 40.00 to 75.00.
Is Bel Fuse's GF Score too high?
Bel Fuse's current GF Score of 70 is near median its 10-year median of 66.00. Over the past 10 years, this metric has ranged from a low of 40.00 to a high of 75.00. Overall, Bel Fuse has a GF Score™ of 70/100 and is considered Significantly Overvalued, reflecting its overall financial health beyond just this single metric.
How does Bel Fuse's GF Score compare to OLED and OSIS?
Bel Fuse's GF Score of 70 can be compared against companies in the Hardware industry. Historically, Bel Fuse's own GF Score has ranged from 40.00 to 75.00 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 GF Score for a Hardware company?
A good GF Score depends on the Hardware industry context. However, GF Score 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 GF Score mean?
A high GF Score can signal that a stock is expensive relative to its fundamentals. GF Score is a stock performance ranking system developed by GuruFocus using five aspects of valuation. View historical data on Bel Fuse and its competitors. Bel Fuse's current GF Score is 70, which is near median its own 10-year median of 66.00. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Bel Fuse stock overvalued right now?
Based on GuruFocus' analysis, Bel Fuse (STU:BF2B) is currently considered Significantly Overvalued. The stock's GF Value™ is €85.10, compared to a current price of €238.00 — trading 179.7% above its estimated fair value. The current GF Score is 70, which is near median its 10-year median of 66.00. Bel Fuse's overall GF Score™ is 70/100 with 3 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is GF Score calculated?
GF Score is calculated from a company's financial statements. For Bel Fuse (STU:BF2B), the current GF Score is 70 as of Jul. 16, 2026. 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.

Is Bel Fuse (STU:BF2B) Overvalued in 2026?

Based on GuruFocus' analysis, Bel Fuse stock appears to be overvalued. The current stock price of €238.00 is trading 179.7% above its estimated GF Value™ of €85.10. GuruFocus considers Bel Fuse to be Significantly Overvalued.

Key valuation signals for STU:BF2B:

  • GF Score: 70 (near median its 10-year median of 66.00)
  • GF Value™: €85.10 vs. price of €238.00 (179.7% above fair value)
  • GF Score™: 70/100 with 3 warning signs

No single metric tells the full story. See the STU:BF2B stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.


Bel Fuse Business Description

Other Exchanges BELFB:USABELFA:USA
Address 300 Executive Drive, Suite 300, West Orange, NJ, USA, 07052
Bel Fuse Inc designs and manufactures electronic components that protect and connect electronic circuits. Its product portfolio is divided into three categories: magnetic solutions, power solutions & protection, and connectivity solutions. These products are used for the computer, networking, telecommunications, transportation and defense/aerospace, automotive, medical, and consumer electronics industries. Its geographical segments are the United States, Macao, United Kingdom, Slovakia, Germany, Switzerland, and All other foreign countries. Majority of the revenue is derived from United States.
70GF Score

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GF Score is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.

€238.00
Price
€85.10
GF Value