Zelluna ASAOSTO:ULTIO 28 PB Ratio is 8.60 as of Jul. 08, 2026. GuruFocus rates OSTO:ULTIO with a GF Score™ of 28/100. The stock has 2 warning signs investors should review. Among 1,225 Biotechnology companies, Zelluna ASA ranks worse than 79.27% on this metric.
The PB Ratio, or Price-to-Book ratio, or Price/Book, is a financial ratio used to compare a company's market price to its Book Value per Share. As of today (2026-07-08), Zelluna ASA's share price is kr21.95. Zelluna ASA's Book Value per Share for the quarter that ended in Mar. 2026 was kr2.55. Hence, Zelluna ASA's PB Ratio of today is 8.60.
The historical rank and industry rank for Zelluna ASA's PB Ratio or its related term are showing as below:
OSTO:ULTIo'
s PB Ratio Range Over the Past 10 Years
Min: 0 Med: 0 Max: 7.29
Current: 7.29
During the past 11 years, Zelluna ASA's highest PB Ratio was 7.29. The lowest was 0.00. And the median was 0.00.
OSTO:ULTIo's PB Ratio is ranked worse than 79.27% of 1225
companies
in the Biotechnology industry
Industry Median: 2.92
vs OSTO:ULTIo: 7.29
During the past 12 months, Zelluna ASA's average Book Value Per Share Growth Rate was -51.40% per year.
During the past 3 years, the average Book Value Per Share Growth Rate was -55.60% per year.
During the past 5 years, the average Book Value Per Share Growth Rate was -42.60% per year.
During the past 10 years, the average Book Value Per Share Growth Rate was 2.00% per year.
During the past 11 years, the highest 3-Year average Book Value Per Share Growth Rate of Zelluna ASA was 80.30% per year. The lowest was -55.60% per year. And the median was 15.10% per year.
The PB Ratio works the best for the businesses that earn most of their profit from their assets, e.g. banks and insurance companies.
Be Aware
Some businesses have very light assets, such as software companies or insurance agencies. The PB Ratio does not work well for these companies. Some companies even have negative equity, so the PB Ratio cannot be applied to them.
Zelluna ASA PB Ratio Related Terms
Zelluna ASA PB Ratio Historical Data
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The historical data trend for Zelluna ASA's PB Ratio can be seen below:
* 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.
OSTO:ULTIO vs VRTX, REGN, ALNY: PB Ratio Comparison
For the Biotechnology subindustry, Zelluna ASA's PB Ratio, along with its competitors' market caps and PB Ratio 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.
Zelluna ASA PB Ratio vs Biotechnology Industry
For the Biotechnology industry and Healthcare sector, Zelluna ASA's PB Ratio distribution charts can be found below:
* The bar in red indicates where Zelluna ASA's PB Ratio falls into.
The PB Ratio, or Price-to-Book ratio, or Price/Book, is a financial ratio used to compare a company's market price to its Book Value per Share. It is a ratio widely used to value stocks.
Zelluna ASA's PB Ratio for today is calculated as follows:
* 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.
It can also be calculated from the numbers for the whole company:
A closely related ratio is called Price-to-Tangible-Book. The difference between Price-to-Tangible-Book and PB Ratio is that book value other than intangibles are used in the calculation.
Zelluna ASA (OSTO:ULTIO) has a PB Ratio of 8.60 as of Jul. 08, 2026. Price-to-Book ratio is the ratio of share price to a company's book value per share. View historical data on Zelluna ASA and its competitors. According to the industry distribution chart, Zelluna ASA ranks #971 out of 1225 companies in the Biotechnology industry, placing it in the top 79.3%.
Is Zelluna ASA's PB Ratio too high?
Zelluna ASA's current PB Ratio is 8.60. The Biotechnology industry median PB Ratio is 2.92. Zelluna ASA's value of 8.60 is 194.5% above this industry median. Based on the distribution chart, Zelluna ASA ranks #971 out of 1225 companies in the Biotechnology industry, which is in the bottom quartile relative to peers. Overall, Zelluna ASA has a GF Score™ of 28/100, reflecting its overall financial health beyond just this single metric.
How does Zelluna ASA's PB Ratio compare to VRTX and REGN?
According to the Biotechnology industry distribution chart, Zelluna ASA ranks #971 out of 1225 companies for PB Ratio. This places Zelluna ASA in the lower half of its industry. The industry median PB Ratio is 2.92. Zelluna ASA's value of 8.60 is 194.5% above this benchmark. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good PB Ratio for a Biotechnology company?
The median PB Ratio among Biotechnology companies is 2.92, based on 1,225 companies in the industry. Companies in the top quartile (top 25%) have a PB Ratio significantly above this median, while those in the bottom quartile fall well below. However, PB Ratio should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. Zelluna ASA's current PB Ratio of 8.60 is 194.5% above the industry median. Use the industry distribution chart on this page to see where any company falls relative to its peers.
What does a high PB Ratio mean?
A high PB Ratio can signal that a stock is expensive relative to its fundamentals. Price-to-Book ratio is the ratio of share price to a company's book value per share. View historical data on Zelluna ASA and its competitors. For the Biotechnology industry, the median PB Ratio is 2.92 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Zelluna ASA's current PB Ratio is 8.60. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Zelluna ASA stock overvalued right now?
Zelluna ASA (OSTO:ULTIO) has a current PB Ratio of 8.60. The current PB Ratio is 8.60 and 194.5% above the Biotechnology industry median of 2.92. Zelluna ASA's overall GF Score™ is 28/100 with 2 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is PB Ratio calculated?
PB Ratio is calculated from a company's financial statements. For Zelluna ASA (OSTO:ULTIO), the current PB Ratio is 8.60 as of Jul. 08, 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.
Zelluna ASA is a biotechnology company established to eliminate solid cancers by unleashing the powerful elements of the immune system through pioneering the development of T cell receptor (TCR) guided natural killer (NK) cell therapies (TCR-NK). Its TCR-NK products are composed of healthy donor-derived NK cells that are genetically engineered to express a tumour-specific TCR that enable the TCR-NK cells to identify and eliminate cancer cells in the body of the patient. Its programme ZI-MA4-1, the first MAGE-A4-targeting TCR-NK therapy for solid tumours with high unmet medical need. Its other programmes include ZI-KL1-1, and ZI-PR-1.
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