Biogen (BIIB) Financial History
Review Biogen annual and quarterly financial results, key ratios, insider transactions and SEC filing history in one chronological view. Data available from FY2007 through FY2025.
Financials
19 fiscal years, FY2007 to FY2025
Insider trades
827 trades
Risk factor changes
65 changes in the latest 10-K
Filings
Annual and quarterly reports
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Biogen Financial Statements
History since FY2007. Annual, in US dollars. Source: 10-K XBRL data.
Biogen Revenue and Growth
Compare reported revenue and year-over-year revenue growth across available fiscal years.
Biogen Income Statements
Review revenue, gross profit, operating income, net income and earnings per share.
Biogen Balance Sheets
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Biogen Cash Flow Statements
Compare reported free cash flow across the available fiscal history.
Biogen Financial Ratios
Compare net margin, price-to-earnings and price-to-book ratios by fiscal year.
| Fiscal year | FY2007 🔒 | FY2008 🔒 | FY2009 🔒 | FY2010 🔒 | FY2011 🔒 | FY2012 🔒 | FY2013 🔒 | FY2014 🔒 | FY2015 🔒 | FY2016 🔒 | FY2017 🔒 | FY2018 🔒 | FY2019 🔒 | FY2020 🔒 | FY2021 | FY2022Insiders net sold $3.2M | FY2023Insiders net sold $1.1M | FY2024Insiders net sold $362K | FY2025Insiders net sold $2.0M |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Revenue | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | $11.0B | $10.2B | $9.8B | $9.7B | $9.9B |
| Revenue growth | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | — | -7.4% | -3.3% | -1.6% | +2.2% |
| Gross profit | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | $8.9B | $7.9B | $7.3B | $7.4B | $7.5B |
| Operating income | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | $2.8B | $3.6B | $1.3B | $1.9B | $1.6B |
| Net income | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | $1.6B | $3.0B | $1.2B | $1.6B | $1.3B |
| Debt | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | $6.3B | $6.3B | $6.9B | $6.3B | $6.3B |
| Free cash flow | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | $3.4B | $1.1B | $1.3B | $2.7B | $2.1B |
| Net margin | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | 14.2% | 29.9% | 11.8% | 16.9% | 13.1% |
| EPS (diluted) | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | $10.40 | $20.87 | $7.97 | $11.18 | $8.79 |
| P/E ratio | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | 23.1× | 13.3× | 32.5× | 13.7× | 20.0× |
| P/B ratio | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | 3.2× | 3.0× | 2.5× | — | — |
Daily closing prices, aggregated by calendar year.
| Year | 2001 🔒 | 2002 🔒 | 2003 🔒 | 2004 🔒 | 2005 🔒 | 2006 🔒 | 2007 🔒 | 2008 🔒 | 2009 🔒 | 2010 🔒 | 2011 🔒 | 2012 🔒 | 2013 🔒 | 2014 🔒 | 2015 🔒 | 2016 🔒 | 2017 🔒 | 2018 🔒 | 2019 🔒 | 2020 🔒 | 2021 🔒 | 2022 | 2023 | 2024 | 2025 | 2026 (YTD) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Open | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | $240.42 | $276.80 | $257.13 | $153.65 | $175.50 |
| Close | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | $276.80 | $258.92 | $152.92 | $176.05 | $244.12 |
| High | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | $314.30 | $319.71 | $267.97 | $185.14 | $263.33 |
| Low | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | $187.19 | $220.86 | $145.25 | $110.07 | $161.00 |
| Annual return | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | ••••• | +15.3% | -6.5% | -40.9% | +15.1% | +38.7% |
Biogen Insider Transactions
From Form 4 filings. Showing the latest 5 of 827 trades.
| Traded | Filed | Insider | Type | Shares | Value | % of holdings |
|---|---|---|---|---|---|---|
| 2026-10-30 | 2026-11-02 | Jane Grogan Head of Research | Option exercise | 695 | — | — |
| 2026-10-30 | 2026-11-02 | Jane Grogan Head of Research | Tax withholding | 345 | $87K | — |
| 2026-10-02 | 2026-10-05 | Sean Godbout Chief Accounting Officer | Option exercise | 27 | — | — |
| 2026-10-02 | 2026-10-05 | Sean Godbout Chief Accounting Officer | Tax withholding | 8 | $1,759 | — |
| 2026-10-01 | 2026-10-05 | Sean Godbout Chief Accounting Officer | Grant or award | 985 | — | — |
Biogen Risk Factor Changes
Latest 10-K compared with the year before. 65 changes found.
Sales of our products depend, to a significant extent, on the availability and extent of adequate coverage, pricing and reimbursement from governmental health administration authorities, private health insurers and ot…
The enactment of some or all of the recommendations set forth or that may be forthcoming in the OECD’s project on “Base Erosion and Profit Shifting” by tax authorities and economic blocs in the countries in which we o…
As a global company, we are subject to taxation in numerous countries, states and other jurisdictions.
Some of our collaboration agreements include change in control provisions that could reduce the potential acquisition price an acquirer is willing to pay or discourage a takeover attempt that could be viewed as benefi…
From time to time our Board of Directors authorizes share repurchase programs.
We own or lease real estate primarily consisting of buildings that contain research laboratories, office space and manufacturing operations.
•inventory write-downs for failed quality specifications, charges for excess capacity, charges for excess or obsolescence and charges for inventory write-downs relating to product suspensions, expirations or recalls;
Third parties might illegally distribute and sell counterfeit or unfit versions of our products, which do not meet our rigorous manufacturing, distribution and testing standards.
In order to support our future growth and drug development pipeline, we have expanded our large molecule production capacity by building a large-scale biologics manufacturing facility in Solothurn, Switzerland with no…
We built a large-scale biologics manufacturing facility and are building a clinical packaging and other manufacturing facility, which represent a significant investment with no assurance that such investment will be r…
•the imposition of tariffs or reciprocal tariffs, trade protection measures, embargoes, import or export licensing requirements and the imposition of trade sanctions and other similar restrictions.
We are increasing our presence in international markets, subjecting us to many risks that could adversely affect our business and revenue.
Additionally, conditions and regulations governing the healthcare industry in the U.S.
•government shutdowns, funding disputes, reorganizations, furloughs or reductions in staffing and/or resources or changes in priorities or focus may result in delays to the review and approval process, slowing the tim…
•changes and the potential imposition of new or changing standards in the FDA and foreign regulatory approval processes, staffing, resources or perspectives that may delay or prevent certain processes, including, but…
Conditions and regulations governing the healthcare industry are subject to change, with possible retroactive effect, including:
Our activities, and the activities of our collaborators, distributors and other third-party providers, are subject to extensive government regulation and oversight in the U.S.
If we fail to comply with the extensive legal and regulatory requirements affecting the healthcare industry, we could face increased costs, penalties and a loss of business.
Furthermore, factors such as geopolitical instability, public health epidemics, natural disasters, adverse weather events, labor or raw material shortages, imposition of tariffs or trade restrictions, power failures,…
•Risk of Product Loss.
•Risks of Reliance on Third Parties and Single Source Providers.
Cybersecurity threats and incidents are increasing in their frequency, sophistication and intensity, and are becoming increasingly difficult to detect, particularly when they impact vendors, customers or suppliers, an…
A breakdown or breach of our information systems could subject us to liability or interrupt our business operations.
Adverse safety events involving our products, generic or biosimilar versions of our products or products from the same class as one of our products may have a negative impact on our business.
•Ability to Provide Adequate Supply.
•Reliance on Third Parties.
The development, manufacture and commercialization of biosimilars require specialized expertise and are costly and subject to complex regulation.
There is substantial public attention on the costs of prescription drugs and we expect drug pricing and other healthcare costs to continue to be subject to political and societal pressures globally.
Our results of operations may be adversely affected by current and potential future healthcare reforms including those contained in the PPACA, IRA, OBBBA, MFN and executive orders.
•the inability of the parties to cooperate effectively, which could adversely affect product sales or the clinical development or regulatory approvals of product candidates under joint control, could result in termina…
Our failure to obtain or maintain adequate coverage, pricing or reimbursement for our products could have an adverse effect on our business, reputation, revenue and results of operations, could curtail or eliminate ou…
Competition from current and future competitors has and may continue to negatively impact our ability to maintain pricing and our market share.
maintain adequate prices in a particular country has limited, and may in the future limit, the revenue from our products within that country and has, and may in the future, also adversely affect our ability to secure…
Our ability to set the price for our products varies significantly from country to country and, as a result, so can the price of our products.
•consolidation and increasing assertiveness of governmental health administration authorities, private health insurers and other organizations seeking price discounts or rebates in connection with the placement of our…
Sales of our products depend, to a significant extent, on the availability and extent of adequate coverage, pricing and reimbursement from government health administration authorities, private health insurers and othe…
Any failure in the execution of a transaction, in the integration of an acquired asset or business or in achieving expected synergies could result in slower growth, higher than expected costs, the recording of asset i…
The availability of high quality, fairly valued external product development is limited and the opportunity to acquire or in-license is highly competitive.
Supporting the further development of our existing products and potential new products in our pipeline will require significant capital expenditures and management resources, including investments in research and deve…
The successful execution of our strategic and growth initiatives depends upon internal development projects, commercial initiatives and external opportunities, which may include the acquisition and in-licensing of pro…
Our ability to compete, maintain and grow our business may be adversely affected by a number of factors, including:
Our products continue to face increasing competition from the introduction of new originator therapies, generics, prodrugs and biosimilars of existing products and products approved under abbreviated regulatory pathways.
Our long-term success depends upon the successful development of new products from our research and development activities or our licenses or acquisitions from third parties, as well as the development of additional i…
•the approval and/or greater acceptance of other new products for the same or similar indications;
•adverse legal, administrative, geopolitical, regulatory or legislative developments; and
payments to us or give our collaboration partner rights to terminate our collaboration agreement, acquire operational control or force the purchase or sale of the programs that are the subject of the collaboration.
impairment charges or additional depreciation when the expected useful lives of certain assets have been shortened due to the anticipated closing of facilities.
Third-parties might illegally distribute and sell counterfeit or unfit versions of our products, which do not meet our rigorous manufacturing, distribution and testing standards.
Additionally, we are building a new gene therapy, clinical packaging and other manufacturing facility in RTP, North Carolina with no assurance that this investment will be fully utilized.
Although the Solothurn facility was approved by the FDA for LEQEMBI, there can be no assurance that the regulatory authorities will approve the Solothurn facility for the manufacturing of other products.
may have different product distribution methods, marketing programs or patient assistance programs from those we currently utilize or support.
in our products or manufacturing facilities, we may need to close our manufacturing facilities for an extended period of time to investigate and remediate the contaminant.
could result in termination of the research, development or commercialization of product candidates or could result in litigation or arbitration;
Additionally, sales of new products or products with additional indications may not meet investor expectations.
requirements for strategic transactions, our results of operations, our financial condition and other factors beyond our control that we may deem relevant.
Additionally, we are building a new clinical packaging and other manufacturing facility as well as modernizing and automating our existing manufacturing facilities in RTP with no assurance that these investments will…
Our international operations are also subject to regulation under U.S.
Certain countries may require local clinical trial data as part of the drug registration process in addition to global clinical trials, which can add to overall drug development and registration timelines.
relationships with healthcare providers and have been the target of lawsuits and investigations alleging violations of laws and government regulation, including claims asserting submission of incorrect pricing informa…
technology service providers to adequately safeguard their systems and prevent cyber-attacks could disrupt our operations and result in misappropriation, corruption or loss of confidential or propriety information.
pharmaceuticals, limit our ability to launch products in certain markets and impact healthcare systems and drug markets in the U.S.
Additionally, the current government administration has introduced various measures to address prescription drug pricing and access, including through issuance of an executive order aiming to establish an MFN drug pri…
In July 2025 the U.S.
•disruptions, turnover or changes in strategy, priorities or capabilities at our collaborators resulting from, for example, a change in control, may impact the commercialization or manufacturing of our shared products…
We have made, and may continue to make, significant operating and capital expenditures for potential new products prior to regulatory approval with no assurance that such investment will be recouped, which may adverse…
Biogen SEC Filings
Latest annual and quarterly reports, current reports, proxy statements and ownership filings.
| Form | Filed | Description | Document |
|---|---|---|---|
| Quarterly report (10-Q) | 2026-10-28 | Quarter ended Sep 30, 2026 | View document |
| Current report (8-K) | 2026-10-28 | Quarterly results | View document |
| Ownership change (13D/13G) amendment | 2026-08-06 | Large shareholder report (5% or more) | View document |
| Quarterly report (10-Q) | 2026-07-29 | — | View document |
| Current report (8-K) | 2026-07-29 | — | View document |
Biogen financial metrics by year
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