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BIIB · Biogen Inc.

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Market Cap
$31.93B
Shares
147.64M

Price & Indicators

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20d MA 50d MA 200d MA Earnings Filing Insider Congress Investor day
Close$215.50 Open$219.05 Day$215.26–220.17 52W close$135.67–224.51 Avg vol 30d797K Short int5.7M · 3.9% float · 8.7d Short vol73% Last earningsOct 28, 2026 DataJan 2020–Sep 2026 Filing10-Q · Jul 29

Up next

Next earnings call
Oct 28, 2026 Scheduled · in 5 wks
filed Jul 29, 2026

Metrics snapshot

Useful current figures from the complete screener profile.

Revenue (TTM)
$9.94B
Trailing 12 months
Net income (TTM)
$1.37B
Trailing 12 months
Revenue growth YoY
+1.9%
Year over year
Operating margin
Trailing 12 months
P / E (TTM)
23.2
Trailing earnings · reciprocal yield 4.3%
FCF yield
7.6%
TTM · current market cap
Return on invested capital
Trailing 12 months
Net cash
Latest balance sheet
Dividend yield
Trailing 12 months
Shares change YoY
+1.2%
Year over year · more shares
Price change (1Y)
+49.9%
Trailing year
Short interest
3.9%
Latest settlement · 8.7 days to cover
View all 115 metrics

AI Brief

Q2 FY26 earnings call · Jul 29, 2026
Q2 FY26

TL;DR. Biogen reported Q2 total revenue of $2.7B, up 3% YoY, and raised full-year 2026 total revenue guidance from a mid-single-digit percentage decrease to a mid-single-digit percentage increase, while updating its full-year non-GAAP diluted EPS range to $12–$13.

Bullish
  • + Raised 2026 total revenue guidance from a mid-single-digit percentage decrease to a mid-single-digit percentage increase.
  • + Growth portfolio generated over $1B in Q2, up 24% YoY, now exceeding legacy MS portfolio.
  • + Q2 total revenue of $2.7B grew 3% YoY, supported by 10% growth in anti-CD20 royalties/profit share.
  • + Lakembi iClick FDA approval enables first-of-its-kind home dosing for both initiation and maintenance in Alzheimer's.
Bearish
  • Appellus acquisition drives ~$0.85 non-GAAP EPS dilution in 2026 from financing costs.
  • Non-GAAP core OPEX increased 20% YoY in Q2, including ~$95M of post-acquisition Appellus operating expenses.
  • Deurinursen tau program characterized as high-risk, high-reward with no impact on Biogen's growth over the rest of this decade.
  • Q2 GAAP cost of sales impacted by higher amortization and fair value step-ups from SkyClaris (Riata) and Saifovri/Ampavelli (Appellus) acquisitions.
  • Appellus acquisition adds $120–130M impact to other income/expense line in both 2026 and 2027 from interest expense and foregone interest income.

AI-generated from the earnings call and 8-K · may contain errors · not investment advice

Equibles Rating

blended score · not investment advice
Overall
Buy
SellHoldBuy
Technical Buy Momentum Strong Sentiment Neutral Fundamentals Strong Quant / Vol Low
Market backdrop VIX 14.8 · calm Equity put/call 0.58
Technical
price trend
Buy
50 / 200-day cross No cross
Price vs 200-day avg +12%
above
Price vs 50-day avg +2%
above
RSI (14) 50
neutral
MACD trend Negative
52-week position 90%
near high
Momentum
relative strength
Strong
1-month return +1%
trailing
6-month return +17%
trailing
YTD return +22%
this year
Relative strength −3%
vs S&P · 6-mo
Sentiment
smart money
Neutral
Trend (MA cross) No cross
50d $211 › 200d $193 — 50d above 200d
Institutional flow Accumulating
+3% holders QoQ · +127 funds added
Insider flow Flat
No net insider activity over 90 days
Short interest Rising
3.88% of float · ▲ +10.3% MoM · 8.7 days cover
Volume signal Reversal watch
High volume on a down day — possible exhaustion
Institution breadth Multi-yr high
1,049 holders — near 3-yr high, broad support
Squeeze score 70
high risk · 0–100
Fundamentals
Strong
Revenue growth +2%
Y/Y
Gross margin 118%
contracting
EPS growth −21%
Y/Y
Free cash flow $2.1B
Buyback $2.1B
remaining
Balance sheet $3.3B
net debt
Quant / Vol
risk profile
Low
Volatility 35%
annualized · 1-yr
Max drawdown −14%
past year
ATR 2.6%
of price · 14-day

Blended from price, momentum, positioning, fundamentals & volatility · daily-close · not investment advice. Market backdrop is context, not part of the score.

Guidance & track record

Beat or met 2 of last 3
Latest guidance · from the Earnings Call filed Jul 29, 2026
full year 2026
Non-GAAP diluted EPS Non-GAAP Initiated $12.00 – $13.00
Impact to other income/expense line Initiated $120M – $130M
full year 2027
Impact to other income/expense line Initiated $120M – $130M
end of 2027
Run rate synergies at least $250M
Prior guidance period ended · from the Earnings Call filed Oct 20, 2021
Full-year 2021 revenue · full-year 2021 $10.8B – $10.9B
Non-GAAP diluted EPS · full-year 2021 $18.85 – $19.35
Capital expenditure · full-year 2021 $250M – $300M
Non-GAAP R&D expenses · full-year 2021 $2.45B – $2.55B
Non-GAAP SG&A expenses · full-year 2021 $2.6B – $2.7B
SG&A · 2021 $500M
Guided vs delivered · last 3 settled
Full-year 2021 revenue full-year 2021
guided $10.8B – $10.9B
$10.98B Beat +1.2%
Full-year 2020 GAAP diluted EPS full year 2020
guided $25.50 – $26.50
$24.80 Miss −4.6%
Full-year revenue full-year 2020
guided $13.2B – $13.4B
$13.44B Beat +1.1%

Guidance from company 8-Ks · delivered figures from as-reported statements · no analyst estimates involved.

Technicals

trend & momentum for long-term holders Buy
1 · 2 · 3
50 / 200-day cross
No cross Neutral
Price vs 200-day avg
+12% Bullish
Price vs 50-day avg
+2% Bullish
RSI (14)
50 Neutral
MACD trend
Negative Bearish
52-week position
90% Bullish
Market signals — smart money & positioning
Bullish · 2 of 6
Trend (MA cross) No cross
50d $211 › 200d $193 — 50d above 200d
Institutional flow Accumulating
+3% holders QoQ · +127 funds added
Insider flow Flat
No net insider activity over 90 days
Short interest Rising
3.88% of float · ▲ +10.3% MoM · 8.7 days cover
Volume signal Reversal watch
High volume on a down day — possible exhaustion
Institution breadth Multi-yr high
1,049 holders — near 3-yr high, broad support
Price context
position in its 52-week range
Range low $136 Now $216 · 90% Range high $225
vs 200-day avg +12% vs 50-day avg +2%

Illustrative technical + ownership context — a signal mix, not investment advice.

Key metrics

Earlier KPI extraction records exist, but do not meet the current evidence-completeness requirements. No current verified series is available. Earlier figures remain withheld until revalidated; this is not evidence that the company reports no KPIs.

Versus peers

Drug Manufacturers - General — same industry group
Open screener →
Company Mkt cap YTD Rev growth Y/Y P/E Short % shares
BIIB
Biogen Inc.
this stock
$31.93B +22.5% +2.2% 3.9%
LLY
ELI LILLY & Co
$1.09T +7.3% +44.7% 38.7 0.8%
JNJ
Johnson & Johnson
$650.65B +30.5% +6.0% 31.4 0.9%
ABBV
AbbVie Inc.
$464.82B +15.5% +8.6% 74.3 1.1%
MRK
Merck & Co., Inc.
$362.35B +39.5% +1.3% 117.5 1.2%

Peers by industry group · P/E from as-reported trailing EPS · short % is of shares outstanding

At a glance

key data from every section
Ownership
Institutional Holders Accumulating
Holders
1,049
% held
99.5%
Net QoQ
+8.9M sh
Top holder
FMR LLC
Held Float
View
Held by Funds
Fund positions
856
View
Short & Settlement
Short Interest Rising
Shares short
5.7M
Days to cover
8.7d
Change
+536.1K sh
View
Short Volume
Short vol %
73%
As of
Sep 18, 2026
Short Total
View
Fails to Deliver
FTD shares
991
Value
$219.5K
As of
Aug 28, 2026
View
Off-Exchange
Off-exchange %
40.6%
Week of
Aug 10, 2026
Off-exch Lit
View
Smart Money
Congressional Trades Buy
Member
Gilbert Cisneros
Amount
$1.0K–$15.0K
Traded
Jun 5, 2026
View
Financials
Financials
Revenue (FY)
$9.9B
Net income (FY)
$1.3B
EPS diluted
$8.79
View
Buybacks
Authorized
$5.0B
Remaining
$2.1B
Spent Remaining
View
Filings
SEC Filings
Latest
Investor Event Transcript
Filed
Sep 14, 2026
This year
19
View
Proposed Sales
Value
$119.2K
Shares
593
Filed
Aug 4, 2026
View
Earnings & Events
Earnings Calls Upcoming
Next call
Oct 28, 2026
Last call
Sep 14, 2026
View
Investor Relations
Latest news
Stoke Therapeutics and Biogen Pre…
Published
Sep 3, 2026
Upcoming events
1
View

Performance

5D 20D 120D MTD YTD
BIIB -0.8% +0.5% +17.2% -0.5% +22.5%
SPY -0.3% -0.1% +20.1% -0.7% +11.7%
vs SPY -0.4% +0.7% -2.9% +0.2% +10.8%

Capital returns

Buyback program · as of Mar 31, 2026
Authorized
$5.00B
Spent (derived)
$2.90B
Remaining
$2.10B
Spent Remaining

Dividends per share over the trailing 365 days by ex-date · buyback figures as last reported in SEC filings ("spent" derived as authorized − remaining; when several programs run concurrently, authorized is their combined total per the newest filing) · components shown separately — trailing-year buyback spend isn't tracked, so no combined shareholder yield is derived.

Key facts CIK 875045 CUSIP 09062X103 13F (30d) 25 filings 20 filers Visit website Investor relations