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BiogenXSGO:BIIB 68 Pretax Margin % is 4.84% as of Jun. 2026, which is 87% below its 10-year median of 36.43. GuruFocus rates XSGO:BIIB with a GF Score™ of 68/100 and a GF Value™ of $167.12. The stock has 9 warning signs investors should review. Among 960 Drug Manufacturers companies, Biogen ranks better than 59.17% on this metric.
Pre-Tax margin is calculated as Pre-Tax Income divided by its Revenue. Biogen's Pre-Tax Income for the
three
months ended in Jun. 2026 was $132 Mil. Biogen's Revenue for the
three
months ended in Jun. 2026 was $2,736 Mil. Therefore, Biogen's pretax margin for the quarter that ended in Jun. 2026 was 4.84%.
The historical rank and industry rank for Biogen's Pretax Margin % or its related term are showing as below:
XSGO:BIIB'
s Pretax Margin % Range Over the Past 10 Years
Min: 10.09 Med: 36.43 Max: 49.56
Current: 10.09
XSGO:BIIB's Pretax Margin % is ranked better than 59.17% of 960
companies
in the Drug Manufacturers industry
Industry Median: 7.17
vs XSGO:BIIB: 10.09
Biogen (XSGO:BIIB) Pretax Margin % Explanation
The pretax margin, as know as pretax profit margin, is widely used to measure the operating efficiency of a company before deducting taxes.
The pretax margin is sometimes preferred over the net margin as tax expenditures can make profitability comparisons between companies misleading.
It is a useful tool to compare companies operating in the same sector and less effective when comparing companies from other sectors as each industry generally has different operating expenses and sales patterns.
The long term trend of the pretax margin is a good indicator of the competitiveness and health of the business.
Biogen Pretax Margin % Related Terms
Biogen Pretax Margin % Historical Data
* Premium members only.
The historical data trend for Biogen's Pretax Margin % 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.
XSGO:BIIB vs OGN, AMRN, SCLX: Pretax Margin % Comparison
For the Drug Manufacturers - General subindustry, Biogen's Pretax Margin %, along with its competitors' market caps and Pretax Margin % 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.
Biogen Pretax Margin % vs Drug Manufacturers Industry
For the Drug Manufacturers industry and Healthcare sector, Biogen's Pretax Margin % distribution charts can be found below:
* The bar in red indicates where Biogen's Pretax Margin % falls into.
* 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.
Biogen (XSGO:BIIB) has a Pretax Margin % of 4.84% as of Jun. 2026. Pre-Tax margin is the ratio of total pre-tax income to net sales. View historical data on Biogen and its competitors. This is 87% below median its historical median of 36.43. Over the past decade, Biogen's Pretax Margin % has ranged from 10.09 to 49.56. According to the industry distribution chart, Biogen ranks #392 out of 960 companies in the Drug Manufacturers industry, placing it in the top 40.8%.
Is Biogen's Pretax Margin % too high?
Biogen's current Pretax Margin % of 4.84% is 87% below median its 10-year median of 36.43. Over the past 10 years, this metric has ranged from a low of 10.09 to a high of 49.56. The Drug Manufacturers industry median Pretax Margin % is 7.17. Biogen's value of 4.84% is 32.5% below this industry median. Based on the distribution chart, Biogen ranks #392 out of 960 companies in the Drug Manufacturers industry, which is above the industry midpoint. Overall, Biogen has a GF Score™ of 68/100, reflecting its overall financial health beyond just this single metric.
How does Biogen's Pretax Margin % compare to OGN and AMRN?
According to the Drug Manufacturers industry distribution chart, Biogen ranks #392 out of 960 companies for Pretax Margin %. This puts Biogen in the upper half of its industry. The industry median Pretax Margin % is 7.17. Biogen's value of 4.84% is 32.5% below this benchmark. Historically, Biogen's own Pretax Margin % has ranged from 10.09 to 49.56 over the past decade. While the company's 10-year median is 36.43 vs. the industry median of 7.17, Biogen 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 Pretax Margin % for a Drug Manufacturers company?
The median Pretax Margin % among Drug Manufacturers companies is 7.17, based on 960 companies in the industry. Companies in the top quartile (top 25%) have a Pretax Margin % significantly above this median, while those in the bottom quartile fall well below. However, Pretax Margin % should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. Biogen's current Pretax Margin % of 4.84% is 32.5% 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 Pretax Margin % mean?
A high Pretax Margin % can signal that a stock is expensive relative to its fundamentals. Pre-Tax margin is the ratio of total pre-tax income to net sales. View historical data on Biogen and its competitors. For the Drug Manufacturers industry, the median Pretax Margin % is 7.17 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Biogen's current Pretax Margin % is 4.84%, which is 87% below median its own 10-year median of 36.43. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Biogen stock overvalued right now?
Biogen (XSGO:BIIB) has a current Pretax Margin % of 4.84%. The stock's GF Value™ is $167.12, compared to a current price of $181.06 — trading 8.3% above its estimated fair value. The current Pretax Margin % is 4.84%, which is 87% below median its 10-year median of 36.43 and 32.5% below the Drug Manufacturers industry median of 7.17. Biogen's overall GF Score™ is 68/100 with 9 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is Pretax Margin % calculated?
Pretax Margin % is calculated from a company's financial statements. For Biogen (XSGO:BIIB), the current Pretax Margin % is 4.84% as of Jun. 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 Biogen (XSGO:BIIB) Overvalued in 2026?
Based on GuruFocus' analysis, Biogen stock appears to be overvalued.
The current stock price of $181.06 is trading 8.3% above its estimated GF Value™ of $167.12.
Key valuation signals for XSGO:BIIB:
Pretax Margin %: 4.84% (87% below median its 10-year median of 36.43)
GF Value™: $167.12 vs. price of $181.06 (8.3% above fair value)
Industry Position: 32.5% below the Drug Manufacturers median (#392 of 960)
No single metric tells the full story. See the XSGO:BIIB stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
Biogen is an established biopharmaceutical company focused on treatments for neurodegenerative and rare diseases. Its declining multiple sclerosis franchise is its largest revenue generator and contributed 40% of total revenue in 2025. Biogen also generates significant revenue from its CD20 collaboration agreements with Roche (19% of total in 2025), which includes oncology drugs Rituxan and Gazyva and multiple sclerosis drug Ocrevus. Biogen's newer franchises include Spinraza (spinal muscular atrophy, with partner Ionis), Leqembi (Alzheimer's disease, collabroation revenue from its partner Eisai), Skyclarys (Friedreich's ataxia, Reata), Zurzuvae (postpartum depression, Sage), and Qalsody (amyotrophic lateral sclerosis, Ionis).
68GF Score
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