Biogen (BIIB.US) Price Target and Rating 2026/2027

243.10
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Biogen 2026 Price Target

The average price target for Biogen is $243.98. This price target represents the analysts' view of the stock price over the next 12 months. The stock may be undervalued, because the price target is higher than the current price. The stock is 0.36% below the target, which can point to potential returns within the next 12 months if the analysts' view proves right. Also consider the stock's valuation ratios such as P/E, P/S and P/B, plus the technical analysis further down the page, for the full picture.

Is Biogen overvalued or undervalued?

Biogen is currently fairly valued with a gap of 0.4% relative to the price target.


The current price is $243.10, which places Biogen in the fairly valued category. The stock is considered undervalued when the price is below $219.58, and overvalued when the price exceeds $268.38.


The fair value range is defined as ±10% of the price target, because price targets are estimates rather than exact values. For Biogen, the fair value range lies between $219.58 and $268.38.


See the full price target analysis for Biogen →

Analyst Ratings for Biogen stock in 2026: Buy

36 analysts cover Biogen. The majority is positive, with 66.7% recommending Buy, while 30.6% recommend Hold. The average price target is $243.98, which gives an upside of 0.4% from the current price.

Consensus: Buy (4.17/5)
Strong Buy
20 (55.6%)
Buy
4 (11.1%)
Hold
11 (30.6%)
Strong Sell
1 (2.8%)
Strong Sell Sell Hold Buy Strong Buy
4.17 out of 5 based on 36 analysts

About Biogen – Drug Manufacturers - General

Biogen Inc. discovers, develops, manufactures, and delivers therapies in the United States, Europe, Germany, Asia, and internationally. The company provides TECFIDERA, VUMERITY, AVONEX, PLEGRIDY, and TYSABRI for multiple sclerosis (MS); SPINRAZA for spinal muscular atrophy; SKYCLARYS to treat Friedreich's Ataxia; QALSODY for treating amyotrophic lateral sclerosis; FUMADERM to treat plaque psoriasis; BENEPALI, an etanercept biosimilar referencing ENBREL; IMRALDI, an adalimumab biosimilar referencing HUMIRA; FLIXABI, an infliximab biosimilar referencing REMICADE. It offers LEQEMBI for the treatment of Alzheimer's disease; ZURZUVAE for the treatment of postpartum depression; RITUXAN to treat non-Hodgkin's lymphoma, chronic lymphocytic leukemia (CLL), rheumatoid arthritis, two forms of ANCA-associated vasculitis, and pemphigus vulgaris; RITUXAN HYCELA for non-Hodgkin's lymphoma and CLL; GAZYVA to treat CLL and follicular lymphoma; OCREVUS for relapsing MS and primary progressive MS; LUNSUMIO to treat relapsed or refractory follicular lymphoma; glofitamab for aRelapsed or refractory diffuse large B-cell lymphoma; and other anti-CD20 therapies. Biogen Inc. has collaboration and license agreements with Merz Therapeutics; Alkermes Pharma Ireland Limited; Denali Therapeutics Inc.; UCB; Eisai Co., Ltd.; Genentech, Inc.; Neurimmune SubOne AG; Ionis Pharmaceuticals, Inc.; Samsung Bioepis; and Sage Therapeutics, Inc., as well as collaborations with Stoke Therapeutics, Inc. for the development and commercialization of zorevunersen, a disease modifying medicine for the treatment of Dravet syndrome; Dayra Therapeutics, Inc. to develop oral macrocyclic peptides; Vanqua Bio, Inc. for developing Vanqua's preclinical oral C5aR1 antagonist compound; City Therapeutics, Inc. to develop select novel RNAi therapies; and ALTEOGEN Inc. to develop subcutaneous (SC) formulations of biologics utilizing ALT-B4. The company was founded in 1978 and is headquartered in Cambridge, Massachusetts. Read more about the company

Key Figures for Biogen

$34.5B Market cap
$10.0B Revenue
Drug Manufacturers - General Industry
41.47 P/E
3.44 P/S
1.78 P/B
United States Listed on exchange
biogen.com Website

What kind of stock is Biogen?

Momentum stock

Biogen is classified as a momentum stock with a momentum score in the top 5% of all stocks. The price has risen 0.0% over the long term.

Score Overview for Biogen

💰 Value Score 42/100 (Neutral)
⭐ Quality Score 30/100 (Low)
🚀 Momentum Score 95/100 (Very High)
📊 Total Score 55/100

⚠️ 2 red flags identified 1 critical

Our analysis has identified 2 potential risk factors in Biogen that investors should be aware of.

⚠️ Weak financial health: The Piotroski score is only 3/9 – the company shows signs of weakened profitability, liquidity or capital structure.
🚨 Falling earnings: Quarterly earnings have fallen 85% year over year – the company's profitability is under pressure.

📈 Valuation

Biogen trades at a P/E ratio of 41.5, which is above the market average. The forward P/E is 13.9 (66% lower), which suggests the market expects rising earnings. The P/S ratio is 3.4. The P/B ratio is 1.8. The PEG ratio is 2.35 — above 2.0 suggests the stock is expensive relative to its growth rate.

💵 Profitability & Growth

Biogen has a profit margin of 8.3% (moderate) and an operating margin of 25.1%. Return on equity (ROE) is 4.6%. Return on assets (ROA) is 5.2%. The latest quarterly earnings grew -84.8% year over year — falling earnings.

🏦 Financial Health

The Piotroski score is 3 out of 9 — weak financial health, be careful. Altman Z2 is 4.55 (healthy balance sheet — low risk). The debt-to-equity ratio (D/E) is 67.8% — low debt, a solid balance sheet.

🚀 Momentum & Short Interest

Short interest is 4.50%.

Insider Trading in Biogen 2026: The Signal Is negative

In 2026, insiders at Biogen have made 20 transactions – split into 3 purchases and 17 sales. On a net basis, insiders took $3,579,992 out of the stock. Active insiders include Murphy Nicole, DORSA CAROLINE, Rowinsky Eric K and others. In the short term (last 3 months), the insider signal is negative.

Short-Term Signal (3 months): Negative

Insiders have exclusively sold shares over the last 3 months.

Over the last 3 months: 0 purchases and 2 sales. A net $239,750 out of the stock.

Long-Term Signal (all transactions): Mostly negative

Insiders have sold considerably more than they have bought. At large companies this can be due to planned sales (10b5-1 plans) and is not necessarily a negative signal.

Across the last 20 transactions: 3 purchases and 17 sales. A net $3,579,992 out of the stock.

Latest purchase: Murphy Nicole bought 3 shares at $195.04 each on 2026-02-12. The stock has since risen 24.6%.

Latest sale: Minor Lloyd sold 593 shares at $200.96 each on 2026-08-04.

Who is buying: Murphy Nicole, DORSA CAROLINE, Rowinsky Eric K.

Who is selling: Minor Lloyd, Singhal Priya, Izzar Rachid, SHERWIN STEPHEN A.

Latest Insider Trades in Biogen (2026)

The table shows the last 20 reported insider transactions in Biogen. Green rows are purchases, red rows are sales. The data is based on official filings.

Transaction date Name Type Number of shares Price per share ($) Total amount ($)
2026-08-04 Minor Lloyd Sell 593 201 119,169
2026-08-03 Minor Lloyd Sell 593 203 120,581
2026-02-12 Murphy Nicole Buy 3 195 585
2026-02-09 Singhal Priya Sell 2,660 200 531,548
2026-02-02 Singhal Priya Sell 748 179 134,116
2025-09-02 Singhal Priya Sell 517 134 69,045
2025-07-08 Izzar Rachid Sell 2,223 135 300,105
2025-05-19 Singhal Priya Sell 3,806 126 480,508
2025-05-02 DORSA CAROLINE Buy 1,235 123 151,559
2025-03-07 SHERWIN STEPHEN A Sell 8,760 150 1,314,175

Who is buying and selling Biogen shares in 2026?

The following insiders have bought shares in Biogen: Murphy Nicole, DORSA CAROLINE, Rowinsky Eric K. In total, $253,400 was bought across 3 transactions. The following insiders have sold shares: Minor Lloyd, Singhal Priya, Izzar Rachid, SHERWIN STEPHEN A. In total, $3,833,393 was sold across 17 transactions. Insider trades are legal transactions in which executives and board members buy or sell shares of their own company. These transactions are reported to the SEC and are publicly available.

Biogen Short Selling 2026: 4.5% Sold Short

Moderate short interest: 4.5% of the free float
Short % of free float
4.5%
Assessment
Moderate short interest
Short squeeze risk
Low
Data source
EODHD
Reported about twice a month
The stock has a moderate share of short selling. Between 2-5% of the freely traded shares are sold short, which is within the normal range for most stocks.

Short interest comes from our data provider EODHD. The figure is reported about twice a month; we check it every trading day.
Short Interest Scale
0% 2% 5% 10% 20%+
Low Moderate High Very High Extreme
▲
4.5%

When Does Biogen Report Earnings – Next Date: Oct 28, 2026

The next earnings report from Biogen is scheduled for October 28, 2026, before the market opens. This report covers the third quarter (Q3), which ended on September 30, 2026.



Technical Analysis of Biogen 2026 – Signal: Strong Buy

Overall Technical Signal: Strong Buy

Based on trend analysis (SMA50/SMA200) and MACD trend (positive/negative on a daily + weekly basis). Updated October 21, 2026.

Trend Analysis of Biogen Inc

Biogen Inc is in a short-term uptrend. The price of $243.10 is 6.8% above the 20-day average ($227.72). Medium term, the picture is positive: the price is 10.0% above the 50-day average ($220.94). Long term, the stock is 22.5% above the 200-day average ($198.44), which confirms a long-term uptrend.

Golden Cross: The 50-day average (220.94) is above the 200-day average (198.44), which is a classic bullish signal for Biogen Inc.

Is Biogen Inc overbought or oversold?

Biogen Inc has an RSI of 70.6, which places the stock in overbought territory (above 70). Even though the stock is overbought, the broader trend is positive. A short-term pullback is possible, but the trend still supports the price.

MACD Analysis for Biogen Inc

Daily MACD: MACD is positive (4.557), which means the short-term trend is bullish (the 12-day EMA is above the 26-day EMA). MACD is above the signal line (3.271) by 1.286, which confirms rising momentum in the uptrend.

Weekly MACD: MACD5 is positive (11.032), which indicates a broader bullish long-term trend. MACD5 is above the signal line (9.781) by 1.251, which confirms rising long-term momentum.

Overall MACD assessment: Both the daily and weekly MACD are positive and above their signal lines. Trend and momentum confirm each other across time horizons – the strongest bullish signal.

Risk Profile for Biogen Inc

Biogen Inc has an annual standard deviation of 0.0%, which classifies the stock as Conservative. Price swings are limited, and the stock suits conservative investors.

Overall Technical Conclusion for Biogen Inc

Trend: Positive. The price trades above SMA50 and SMA200.

MACD trend (zero line): Daily bullish (4.557). Weekly bullish (11.032).

MACD momentum (signal): Daily rising. Weekly rising.

RSI: 70.6 – overbought.

Technical signal: Strong Buy

The price is in an uptrend (above SMA50/SMA200) and MACD is positive on both a daily and weekly basis. Trend and MACD trend confirm each other – the strongest technical buy signal.

Frequently Asked Questions About Biogen stock in 2026

Should you buy Biogen stock now?
Yes, the technical signal for Biogen is currently Strong Buy. Biogen trades at $243.10 as of Oct 21, 2026. The technical analysis shows the following: MACD is positive (bullish trend) at 4.557 with rising momentum (signal: 3.271); RSI is at 70.6 (overbought), suggesting the price may have risen too quickly; the stock is in a short-term uptrend (price above the 20-day average); the analyst price target of $243.98 points to 0.4% upside. The stock is in a broader uptrend (above SMA50/SMA200). This is a technical observation based on current data, not investment advice.
What is the price target for Biogen stock?
The average analyst price target for Biogen is $243.98. The current price is $243.10, which gives an upside of 0.4%. Based on this, the stock is considered fairly valued. The fair value range (±10% of the price target) is between $219.58 and $268.38.
Is Biogen a dividend stock?
No, Biogen does not currently pay a dividend to shareholders. The company reinvests its profits in growth instead of paying dividends.
What is the risk of Biogen stock?
Biogen is rated as a stock in the risk category Conservative. the annual standard deviation is 0.0%, which classifies the stock as Conservative. In addition, an RSI of 70.6 signals overbought (elevated risk of a pullback).
Is Biogen overvalued?
Biogen is considered fairly valued – the price is close to the analyst price target. Biogen has the following valuation ratios: a P/E ratio of 41.5 (highly valued), a P/S ratio of 3.4, a P/B ratio of 1.8. The stock trades close to the analyst price target and is considered fairly valued.
Is Biogen overbought?
Yes, Biogen is overbought with an RSI of 70.6 (above 70). The technical indicators show: RSI is at 70.6 (above the 70 mark), which signals the price is overbought and may have risen too quickly. In addition, the price is 6.8% above the 20-day average (short-term uptrend). In addition, MACD is positive with rising momentum (bullish).
When is the next Biogen earnings report?
Biogen reports its next earnings on October 28, 2026. The stock currently trades at $243.10. With a P/E ratio of 41.5, the market will be watching closely whether earnings meet expectations. The RSI is at 70.6, so the report can reinforce the current technical trend.
Is Biogen shorted?
Yes, Biogen is shorted with 4.5% of the free float sold short. This is a moderate level of short selling, within the normal range for most stocks. The figure comes from our data provider EODHD, is reported about twice a month, and we check it every trading day.
Are insiders buying Biogen stock?
No, insiders are not buying Biogen shares – they are net sellers. Over the last 3 months, insiders have made 0 purchases and 2 sales. On a net basis, 239,750 $ worth of shares were sold. Across the last 20 reported transactions, the split is 3 purchases and 17 sales, with a net 3,579,992 $ sold. Active sellers include Minor Lloyd, Singhal Priya, Izzar Rachid and others. Insider selling can have several explanations (e.g. planned 10b5-1 sales, portfolio diversification or taxes), but sustained selling by several insiders is worth watching closely.
Is Biogen a good stock?
Based on our total score, Biogen is rated as a mediocre stock with a total score of 55 out of 100. The stock scores around average on value, quality and momentum – it sits near the median in our database. The score is made up of Value: 42/100, Quality: 30/100, Momentum: 95/100. Whether now is the time to buy is a separate question: the technical signal is Strong Buy. Whether Biogen is a good investment depends on your time horizon, risk profile and portfolio. This is a data-driven observation, not investment advice.
What is the outlook for Biogen stock?
The outlook for Biogen based on current data: the average analyst price target is $243.98 (+0.4%); the stock is in an uptrend (above SMA50 and SMA200); the next earnings report is due on Oct 28, 2026, which can move the price; the P/E ratio is 41.5 (high – the market expects growth). Keep in mind that stock prices are affected by many factors, including earnings reports, the economy and market sentiment. Past returns are no guarantee of future returns.
Why is Biogen stock rising?
Biogen is rising right now. The technical indicators show: the price is 6.8% above the 20-day average; MACD is positive with rising momentum (bullish signal); insiders have mostly been selling the stock recently. For the latest context, see our technical analysis and insider section above.
How high can Biogen go?
The average analyst price target for Biogen is $243.98, which corresponds to a potential gain of 0.4% from the current price of $243.10. The stock has traded between $138.00 and $240.99 over the last 52 weeks. The price is close to the 52-week high. Keep in mind that price targets are estimates, not guarantees. Actual price moves depend on earnings, market conditions and unexpected events.
How low can Biogen fall?
The stock has traded as low as $138.00 over the last 52 weeks — that is 43.2% below the current price of $243.10. The biggest decline (drawdown) in the same period was 42.7% from high to low. Remember: past price swings are no guarantee for the future — a stock can fall further than the last 52 weeks suggest, especially on profit warnings, sector crises or a market crash. Use stop-loss orders and spread your portfolio to limit losses in single stocks.
What does Biogen do?
Biogen Inc. discovers, develops, manufactures, and delivers therapies in the United States, Europe, Germany, Asia, and internationally. The company provides TECFIDERA, VUMERITY, AVONEX, PLEGRIDY, and TYSABRI for multiple sclerosis (MS); SPINRAZA for spinal muscular atrophy; SK... The company belongs to the Healthcare sector, more specifically the Drug Manufacturers - General industry, is headquartered in United States, and is traded on the USA Stocks. See the key figures, earnings history and price development above to evaluate Biogen as an investment.
Did Biogen raise or lower its guidance?
Over the last 60 days we have not registered a guidance raise or cut from Biogen. The company can still adjust its guidance at quarterly reports or between reports — see the earnings history above.
Is Biogen making money or losing money?
Yes, Biogen is making money, not losing it. The company has a profit margin (the share of revenue left over as profit) of 8.3% — which is moderate. The operating margin (profit before interest and taxes) is 25.1%. At a P/E ratio of 41.5, you currently pay 41.5 dollars for every dollar of the company's annual earnings. A consistently profitable company is usually more resilient than growth stocks that are not yet making money.
Can Biogen go bankrupt?
The bankruptcy risk of Biogen is rated as low. Altman Z2 (a model for assessing financial distress) is 4.55 — that places the company in the healthy zone. The company has a healthy balance sheet with limited debt relative to earnings and assets. The Piotroski score (financial health 0-9, higher is better) is 3 — which is weak. Debt relative to equity is 68% (moderate). Remember: models like Altman Z2 are statistical — unexpected shocks (fraud, a sector collapse, lawsuits) can always happen. Spread your portfolio.
Does Biogen have a lot of debt?
No, Biogen has low debt relative to equity. The debt-to-equity ratio (D/E — interest-bearing debt to equity) is 68%. For the healthcare sector, anything below 80% counts as low debt. In healthcare, 80-150% is typical — large pharma companies carry debt for research and acquisitions. Note: D/E levels are highly sector-specific — a bank at 300% debt is normal, a tech stock at 300% is extremely leveraged. Always compare with similar companies in the same sector. Can Biogen service its debt? Can service its debt, but it weighs on the company — the interest coverage ratio (how many times earnings can cover interest payments) is 2.6x, and net debt equals 2.1 years of earnings (EBITDA).

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