SIGA (SIGA Technologies) PB Ratio: 1.69 (As of Jul. 21, 2026) — 54% Below Median

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SIGA SIGA Technologies Inc SIGA
66 GF Score
Price $3.58
GF Value $4.49
Valuation Modestly Undervalued
! 4 Warning Signs
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What is SIGA Technologies PB Ratio?

SIGA Technologies SIGA +2.58% 66 PB Ratio is 1.69 as of Jul. 21, 2026, which is 54% below its 10-year median of 3.70. GuruFocus rates SIGA with a GF Score™ of 66/100 and a GF Value™ of $4.49 (Modestly Undervalued). The stock has 4 warning signs investors should review. Among 921 Drug Manufacturers companies, SIGA Technologies ranks better than 55.27% 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 (2026-07-21), SIGA Technologies's share price is $3.58. SIGA Technologies's Book Value per Share for the quarter that ended in Mar. 2026 was $2.11. Hence, SIGA Technologies's PB Ratio of today is 1.69.

Good Sign:

SIGA Technologies Inc stock PB Ratio (=1.65) is close to 10-year low of 1.63.

The historical rank and industry rank for SIGA Technologies's PB Ratio or its related term are showing as below:

SIGA' s PB Ratio Range Over the Past 10 Years
Min: 1.63   Med: 3.7   Max: 12.93
Current: 1.7

During the past 13 years, SIGA Technologies's highest PB Ratio was 12.93. The lowest was 1.63. And the median was 3.70.

SIGA's PB Ratio is ranked better than
55.27% of 921 companies
in the Drug Manufacturers industry
Industry Median: 1.86 vs SIGA: 1.70

During the past 12 months, SIGA Technologies's average Book Value Per Share Growth Rate was -30.10% per year. During the past 3 years, the average Book Value Per Share Growth Rate was 5.80% per year. During the past 5 years, the average Book Value Per Share Growth Rate was 10.20% per year.

During the past 13 years, the highest 3-Year average Book Value Per Share Growth Rate of SIGA Technologies was 161.90% per year. The lowest was -58.20% per year. And the median was 5.80% per year.

Back to Basics: PB Ratio


SIGA Technologies  (NAS:SIGA) PB Ratio Explanation

Unlike valuation ratios relative to the earning power such as PE Ratio, PE Ratio without NRI, PS Ratio, Price-to-Operating-Cash-Flow , or Price-to-Free-Cash-Flow, the PB Ratio measures the valuation of the stock relative to the underlying asset of the company.

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.


SIGA Technologies PB Ratio Related Terms


SIGA Technologies PB Ratio Historical Data

* Premium members only.

The historical data trend for SIGA Technologies'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.

SIGA Technologies PB Ratio Chart

SIGA Technologies Annual Data
Trend Dec16 Dec17 Dec18 Dec19 Dec20 Dec21 Dec22 Dec23 Dec24 Dec25
PB Ratio
Get a 7-Day Free Trial Premium Member Only Premium Member Only 3.17 3.14 2.02 1.99 2.20

SIGA Technologies Quarterly Data
Jun21 Sep21 Dec21 Mar22 Jun22 Sep22 Dec22 Mar23 Jun23 Sep23 Dec23 Mar24 Jun24 Sep24 Dec24 Mar25 Jun25 Sep25 Dec25 Mar26
PB Ratio Get a 7-Day Free Trial Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only 1.81 2.23 3.22 2.20 2.53

SIGA vs AKBA, TKNO, ORGO: PB Ratio Comparison

For the Drug Manufacturers - Specialty & Generic subindustry, SIGA Technologies'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.


SIGA Technologies PB Ratio vs Drug Manufacturers Industry

For the Drug Manufacturers industry and Healthcare sector, SIGA Technologies's PB Ratio distribution charts can be found below:

* The bar in red indicates where SIGA Technologies's PB Ratio falls into.


SIGA
66GF Score
SIGA Technologies Inc SIGA
PB Ratio is just one metric. See GF Score™, valuation, warning signs, and more.
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SIGA Technologies PB Ratio Calculation

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.

SIGA Technologies's PB Ratio for today is calculated as follows:

PB Ratio=Share Price/Book Value per Share (Q: Mar. 2026)
=3.58/2.114
=1.69

* 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.

Frequently Asked Questions Learn more about PB Ratio →
What does a PB Ratio of 1.69 mean?
SIGA Technologies (SIGA) has a PB Ratio of 1.69 as of Jul. 21, 2026. Price-to-Book ratio is the ratio of share price to a company's book value per share. View historical data on SIGA Technologies and its competitors. This is 54% below median its historical median of 3.70. Over the past decade, SIGA Technologies' PB Ratio has ranged from 1.63 to 12.93. According to the industry distribution chart, SIGA Technologies ranks #412 out of 921 companies in the Drug Manufacturers industry, placing it in the top 44.7%.
Is SIGA Technologies' PB Ratio too high?
SIGA Technologies' current PB Ratio of 1.69 is 54% below median its 10-year median of 3.70. Over the past 10 years, this metric has ranged from a low of 1.63 to a high of 12.93. The Drug Manufacturers industry median PB Ratio is 1.86. SIGA Technologies' value of 1.69 is 9.1% below this industry median. Based on the distribution chart, SIGA Technologies ranks #412 out of 921 companies in the Drug Manufacturers industry, which is above the industry midpoint. Overall, SIGA Technologies has a GF Score™ of 66/100 and is considered Modestly Undervalued, reflecting its overall financial health beyond just this single metric.
How does SIGA Technologies' PB Ratio compare to AKBA and TKNO?
According to the Drug Manufacturers industry distribution chart, SIGA Technologies ranks #412 out of 921 companies for PB Ratio. This puts SIGA Technologies in the upper half of its industry. The industry median PB Ratio is 1.86. SIGA Technologies' value of 1.69 is 9.1% below this benchmark. Historically, SIGA Technologies' own PB Ratio has ranged from 1.63 to 12.93 over the past decade. While the company's 10-year median is 3.70 vs. the industry median of 1.86, SIGA Technologies has consistently been below the industry average. 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 Drug Manufacturers company?
The median PB Ratio among Drug Manufacturers companies is 1.86, based on 921 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. SIGA Technologies's current PB Ratio of 1.69 is 9.1% below 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 SIGA Technologies and its competitors. For the Drug Manufacturers industry, the median PB Ratio is 1.86 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. SIGA Technologies's current PB Ratio is 1.69, which is 54% below median its own 10-year median of 3.70. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is SIGA Technologies stock overvalued right now?
Based on GuruFocus' analysis, SIGA Technologies (SIGA) is currently considered Modestly Undervalued. The stock's GF Value™ is $4.49, compared to a current price of $3.58 — trading 20.3% below its estimated fair value. The current PB Ratio is 1.69, which is 54% below median its 10-year median of 3.70 and 9.1% below the Drug Manufacturers industry median of 1.86. SIGA Technologies' overall GF Score™ is 66/100 with 4 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 SIGA Technologies (SIGA), the current PB Ratio is 1.69 as of Jul. 21, 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 SIGA Technologies (SIGA) Overvalued in 2026?

Based on GuruFocus' analysis, SIGA Technologies stock appears to be undervalued. The current stock price of $3.58 is trading 20.3% below its estimated GF Value™ of $4.49. GuruFocus considers SIGA Technologies to be Modestly Undervalued.

Key valuation signals for SIGA:

  • PB Ratio: 1.69 (54% below median its 10-year median of 3.70)
  • GF Value™: $4.49 vs. price of $3.58 (20.3% below fair value)
  • GF Score™: 66/100 with 4 warning signs
  • Industry Position: 9.1% below the Drug Manufacturers median (#412 of 921)

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


SIGA Technologies Business Description

Address 31 East 62nd Street, New York, NY, USA, 10065
SIGA Technologies Inc a commercial-stage pharmaceutical company. The Company sells its product, TPOX oral TPOXX, also known as tecovirimat, Tecovirimat-SIGA, or TEPOXX (tecovirimat) in certain international markets, to the U.S. Government and international governments (including government-affiliated entities). The Company operates in one single operating and reportable segment, which includes all activities related to the sale of the Company's Oral and IV TPOXX as well as research and development services.
66GF Score

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

$3.58
Price
$4.49
GF Value