Biogen Inc.

NasdaqGS:BIIB Stock Report

Market Cap: US$21.3b

Biogen Valuation

Is BIIB undervalued compared to its fair value, analyst forecasts and its price relative to the market?

Valuation Score

5/6

Valuation Score 5/6

  • Below Fair Value

  • Significantly Below Fair Value

  • Price-To-Earnings vs Peers

  • Price-To-Earnings vs Industry

  • Price-To-Earnings vs Fair Ratio

  • Analyst Forecast

Share Price vs Fair Value

What is the Fair Price of BIIB when looking at its future cash flows? For this estimate we use a Discounted Cash Flow model.

Below Fair Value: BIIB ($146.47) is trading below our estimate of fair value ($695.52)

Significantly Below Fair Value: BIIB is trading below fair value by more than 20%.

Key Valuation Metric

Which metric is best to use when looking at relative valuation for BIIB?

Key metric: As BIIB is profitable we use its Price-To-Earnings Ratio for relative valuation analysis.

The above table shows the Price to Earnings ratio for BIIB. This is calculated by dividing BIIB's market cap by their current earnings.
What is BIIB's PE Ratio?
PE Ratio13.2x
EarningsUS$1.62b
Market CapUS$21.34b

Price to Earnings Ratio vs Peers

How does BIIB's PE Ratio compare to its peers?

The above table shows the PE ratio for BIIB vs its peers. Here we also display the market cap and forecasted growth for additional consideration.
CompanyForward PEEstimated GrowthMarket Cap
Peer Average37.4x
UTHR United Therapeutics
14.5x9.7%US$16.1b
HZNP Horizon Therapeutics
60.8x16.4%US$26.6b
BMRN BioMarin Pharmaceutical
38.8x27.9%US$12.5b
NBIX Neurocrine Biosciences
35.5x30.4%US$13.7b
BIIB Biogen
13.2x13.6%US$21.3b

Price-To-Earnings vs Peers: BIIB is good value based on its Price-To-Earnings Ratio (13.2x) compared to the peer average (24.5x).

Price to Earnings Ratio vs Industry

How does BIIB's PE Ratio compare vs other companies in the US Biotechs Industry?

12 CompaniesPrice / EarningsEstimated GrowthMarket Cap
ROIV Roivant Sciences
1.8x-58.7%US$8.42b
AGIO Agios Pharmaceuticals
3x-57.3%US$2.02b
INBX Inhibrx Biosciences
0.1xn/aUS$211.35m
DTIL Precision BioSciences
3.2x-41.0%US$36.21m
BIIB 13.2xIndustry Avg. 15.7xNo. of Companies12PE020406080100+
12 CompaniesEstimated GrowthMarket Cap
No more companies

Price-To-Earnings vs Industry: BIIB is good value based on its Price-To-Earnings Ratio (13.2x) compared to the US Biotechs industry average (15.7x).

Price to Earnings Ratio vs Fair Ratio

What is BIIB's PE Ratio compared to its Fair PE Ratio? This is the expected PE Ratio taking into account the company's forecast earnings growth, profit margins and other risk factors.

BIIB PE Ratio vs Fair Ratio.
Fair Ratio
Current PE Ratio13.2x
Fair PE Ratio28.1x

Price-To-Earnings vs Fair Ratio: BIIB is good value based on its Price-To-Earnings Ratio (13.2x) compared to the estimated Fair Price-To-Earnings Ratio (28.1x).

Analyst Price Targets

What is the analyst 12-month forecast and do we have any statistical confidence in the consensus price target?

The above table shows the analyst BIIB forecast and predictions for the stock price in 12 month’s time.
DateShare PriceAverage 1Y Price TargetDispersionHighLow1Y Actual priceAnalysts
CurrentUS$146.47
US$242.83
+65.8%
22.2%US$342.00US$164.00n/a28
Dec ’25US$160.63
US$254.26
+58.3%
18.1%US$342.00US$184.00n/a28
Nov ’25US$173.79
US$255.70
+47.1%
17.1%US$342.00US$180.00n/a29
Oct ’25US$190.80
US$270.19
+41.6%
13.7%US$342.00US$190.00n/a30
Sep ’25US$204.76
US$271.42
+32.6%
13.0%US$342.00US$190.00n/a30
Aug ’25US$210.70
US$278.42
+32.1%
13.6%US$350.00US$200.00n/a30
Jul ’25US$231.77
US$283.15
+22.2%
14.4%US$350.00US$200.00n/a30
Jun ’25US$224.94
US$284.78
+26.6%
14.2%US$350.00US$200.00n/a29
May ’25US$216.13
US$286.18
+32.4%
13.4%US$350.00US$200.00n/a31
Apr ’25US$214.83
US$300.47
+39.9%
12.7%US$400.00US$230.00n/a30
Mar ’25US$220.95
US$300.47
+36.0%
12.7%US$400.00US$230.00n/a30
Feb ’25US$247.83
US$313.00
+26.3%
11.1%US$406.00US$245.00n/a30
Jan ’25US$258.77
US$312.61
+20.8%
10.2%US$394.00US$239.00n/a31
Dec ’24US$234.64
US$318.34
+35.7%
11.1%US$394.00US$239.00US$160.6329
Nov ’24US$239.62
US$324.34
+35.4%
9.2%US$400.00US$266.00US$173.7929
Oct ’24US$257.01
US$327.51
+27.4%
10.5%US$436.00US$269.00US$190.8029
Sep ’24US$267.17
US$325.96
+22.0%
10.2%US$436.00US$269.00US$204.7628
Aug ’24US$269.30
US$335.21
+24.5%
9.7%US$436.00US$276.00US$210.7028
Jul ’24US$284.85
US$336.33
+18.1%
8.5%US$398.00US$263.00US$231.7727
Jun ’24US$302.41
US$334.26
+10.5%
8.4%US$398.00US$263.00US$224.9427
May ’24US$311.11
US$329.48
+5.9%
8.8%US$398.00US$263.00US$216.1327
Apr ’24US$278.03
US$322.50
+16.0%
9.7%US$388.00US$249.00US$214.8326
Mar ’24US$272.21
US$322.19
+18.4%
9.6%US$388.00US$249.00US$220.9526
Feb ’24US$291.60
US$323.69
+11.0%
10.1%US$402.00US$249.00US$247.8326
Jan ’24US$276.92
US$320.35
+15.7%
8.9%US$370.00US$247.00US$258.7726
Dec ’23US$301.85
US$319.38
+5.8%
9.3%US$370.00US$247.00US$234.6426

Analyst Forecast: Target price is more than 20% higher than the current share price, but analysts are not within a statistically confident range of agreement.

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Company Analysis and Financial Data Status

DataLast Updated (UTC time)
Company Analysis2024/12/22 02:59
End of Day Share Price 2024/12/20 00:00
Earnings2024/09/30
Annual Earnings2023/12/31

Data Sources

The data used in our company analysis is from S&P Global Market Intelligence LLC. The following data is used in our analysis model to generate this report. Data is normalised which can introduce a delay from the source being available.

PackageDataTimeframeExample US Source *
Company Financials10 years
  • Income statement
  • Cash flow statement
  • Balance sheet
Analyst Consensus Estimates+3 years
  • Forecast financials
  • Analyst price targets
Market Prices30 years
  • Stock prices
  • Dividends, Splits and Actions
Ownership10 years
  • Top shareholders
  • Insider trading
Management10 years
  • Leadership team
  • Board of directors
Key Developments10 years
  • Company announcements

* example for US securities, for non-US equivalent regulatory forms and sources are used.

Unless specified all financial data is based on a yearly period but updated quarterly. This is known as Trailing Twelve Month (TTM) or Last Twelve Month (LTM) Data. Learn more here.

Analysis Model and Snowflake

Details of the analysis model used to generate this report is available on our Github page, we also have guides on how to use our reports and tutorials on Youtube.

Learn about the world class team who designed and built the Simply Wall St analysis model.

Industry and Sector Metrics

Our industry and section metrics are calculated every 6 hours by Simply Wall St, details of our process are available on .

Analyst Sources

Biogen Inc. is covered by 76 analysts. 32 of those analysts submitted the estimates of revenue or earnings used as inputs to our report. Analysts submissions are updated throughout the day.

AnalystInstitution
David ToungArgus Research Company
Steven ChesneyAtlantic Equities LLP
Brian SkorneyBaird