SLS (SELLAS Life Sciences Group) GF Score: 25/100 (As of Jun. 25, 2026) — 29% Below Median


SLS SELLAS Life Sciences Group Inc SLS
25 GF Score
Price $10.53
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What is SELLAS Life Sciences Group GF Score?

SELLAS Life Sciences Group SLS +14.89% 25 GF Score is 25 as of Jun. 25, 2026, which is 29% below its 10-year median of 35.00. GuruFocus rates SLS with a GF Score™ of 25/100. The stock has 1 warning sign investors should review.

SELLAS Life Sciences Group has the GF Score of 25, which implies that the company might have Worst future performance potential, or not enough data.

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 : 0/10
3. Growth Rank : 0/10
4. GF Value Rank : 0/10
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 SELLAS Life Sciences Group might have Worst future performance potential, or not enough data.

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

SELLAS Life Sciences Group  (NAS:SLS) 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.

SELLAS Life Sciences Group GF Score Related Terms

SLS vs SNDX, CAPR, AGIO: GF Score Comparison

For the Biotechnology subindustry, SELLAS Life Sciences Group'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.

SELLAS Life Sciences Group GF Score vs Biotechnology Industry

For the Biotechnology industry and Healthcare sector, SELLAS Life Sciences Group's GF Score distribution charts can be found below:

* The bar in red indicates where SELLAS Life Sciences Group's GF Score falls into.


SLS
25GF Score
SELLAS Life Sciences Group Inc SLS
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 25 mean?
SELLAS Life Sciences Group (SLS) has a GF Score of 25 as of Jun. 25, 2026. GF Score is a stock performance ranking system developed by GuruFocus using five aspects of valuation. View historical data on SELLAS Life Sciences Group and its competitors. This is 29% below median its historical median of 35.00. Over the past decade, SELLAS Life Sciences Group's GF Score has ranged from 20.00 to 42.00.
Is SELLAS Life Sciences Group's GF Score too high?
SELLAS Life Sciences Group's current GF Score of 25 is 29% below median its 10-year median of 35.00. Over the past 10 years, this metric has ranged from a low of 20.00 to a high of 42.00. Overall, SELLAS Life Sciences Group has a GF Score™ of 25/100, reflecting its overall financial health beyond just this single metric.
How does SELLAS Life Sciences Group's GF Score compare to SNDX and CAPR?
SELLAS Life Sciences Group's GF Score of 25 can be compared against companies in the Biotechnology industry. Historically, SELLAS Life Sciences Group's own GF Score has ranged from 20.00 to 42.00 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 Biotechnology company?
A good GF Score depends on the Biotechnology 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 SELLAS Life Sciences Group and its competitors. SELLAS Life Sciences Group's current GF Score is 25, which is 29% below median its own 10-year median of 35.00. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is SELLAS Life Sciences Group stock overvalued right now?
SELLAS Life Sciences Group (SLS) has a current GF Score of 25. The current GF Score is 25, which is 29% below median its 10-year median of 35.00. SELLAS Life Sciences Group's overall GF Score™ is 25/100 with 1 warning sign 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 SELLAS Life Sciences Group (SLS), the current GF Score is 25 as of Jun. 25, 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.

SELLAS Life Sciences Group Business Description

Other Exchanges RXK3:Germany
Address 7 Times Square, Suite 2503, New York, NY, USA, 10036
SELLAS Life Sciences Group Inc is a late-stage clinical biopharmaceutical company focused on the development of novel therapeutics for a broad range of cancer indications. The company's product candidates currently include galinpepimut-S, or GPS, a peptide immunotherapy directed against the Wilms tumor 1, or WT1, antigen, and GFH009, a selective small molecule cyclin-dependent kinase 9, or CDK9, inhibitor.
25GF Score

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