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BIIB · Biogen Inc.

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$253.40 +2.92 (+1.17%) At close · Nov 13
Market Cap
$37.46B
Shares
147.82M
Volume · Nov 13 1.03M Avg daily vol (3M) 1.07M

Price & Indicators

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20d MA 50d MA 200d MA Earnings Filing Insider Congress Investor day
Close$253.40 Open$250.58 Day$249.52–255.04 52W close$164.42–254.87 Avg vol 30d1.3M Short int5.5M · 3.7% of shares · 4.0d Short vol79% Last earningsOct 28, 2026 DataJan 2020–Nov 2026 Filing10-Q · Oct 28

Up next

Feb 5, 2027 Est · unconfirmed · in 12 wks

Latest documents

2026
Oct 28
Earnings call
Q3 2026 earnings call

Biogen reported Q3 2026 revenue of $2.8 billion, up 11% year-over-year, and raised the lower end of 2026 non-GAAP diluted EPS guidance to between $12.20 and $13.00. It expects at least $250 million of run rate synergies by the end of 2027.

Oct 28
Quarterly report 10-Q FY2026 Q3, ended Sep 30
Quarterly report for FY2026 Q3

Biogen completed its Apellis acquisition on May 14, 2026, adding SYFOVRE and EMPAVELI; third-quarter total revenue rose $269.4 million, or 10.6%, while total cost and expense rose $835.7 million, or 42.3%.

Revenue $2.8B ▲ 10.6% Net loss $20.6M Diluted EPS -$0.14
Read from the MD&A section
Oct 28
Current report 8-K
Financial results

Biogen reported third-quarter 2026 revenue of $2.8 billion, up 11% year-over-year, GAAP diluted EPS of $(0.14), and Non-GAAP diluted EPS of $2.62. It raised the lower end of full-year Non-GAAP diluted EPS guidance to $12.20 to $13.00 from $12.00 to $13.00.

All documents

Metrics snapshot

Useful current figures from the complete screener profile.

Revenue (TTM)
$10.30B
Trailing 12 months
Net income (TTM)
$347.50M
Trailing 12 months
Revenue growth YoY
+10.6%
Year over year
Operating margin
—
Trailing 12 months
P / E (TTM)
109.2
Trailing earnings · reciprocal yield 0.9%
FCF yield
5.5%
TTM · current market cap
Return on invested capital
—
Trailing 12 months
Net cash
−$5.99B
Latest balance sheet
Dividend yield
—
Trailing 12 months
Shares change YoY
+0.5%
Year over year · more shares
Price change (1Y)
+53.8%
Trailing year
Short interest
3.7%
Latest settlement · 4.0 days to cover
View all 125 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 Very Strong Sentiment Neutral Fundamentals Strong Quant / Vol Low
Market backdrop VIX 19.3 · elevated Equity put/call 0.63
Technical
price trend
Buy
50 / 200-day cross No cross
Price vs 200-day avg +24%
above
Price vs 50-day avg +9%
above
RSI (14) 59
neutral
MACD trend Negative
52-week position 98%
near high
Volume (OBV) Confirms
volume backs price
Momentum
relative strength
Very Strong
1-month return +9%
trailing
6-month return +31%
trailing
YTD return +44%
this year
Relative strength +31%
vs S&P · 6-mo
Sentiment
smart money
Neutral
Trend (MA cross) No cross
50d $233 › 200d $205 — 50d above 200d
Institutional flow Distributing
940 of 1,059 funds reported for Sep 30 · net -1.5M sh shares · +65 new
Insider flow Flat
No net insider activity over 90 days
Short interest Falling
3.69% of shares out · ▼ -0.9% MoM · 4.0 days cover
Volume signal Normal
Volume near normal
Institution breadth Multi-yr high
1,059 holders — near 3-yr high, broad support
Squeeze score 65
elevated · 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 34%
annualized · 1-yr
Max drawdown −14%
past year
ATR 3.1%
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 3 of last 4
Latest guidance · from the Earnings Call filed Jul 29, 2026
2026
Impact to our other income expense line $120M – $130M
by the end of 2027
Run rate synergies at least $250M
2027
Impact to our other income expense line $120M – $130M
full-year 2026
Non-GAAP diluted EPS Non-GAAP Lowered $12.00 – $13.00
Apr 29, 2026 $14.25 – $15.25 changed to Jul 29, 2026 $12.00 – $13.00
second half of 2026
Core operating expenses Non-GAAP $2.65B – $2.7B
Previous outlook earlier release · from the 8-K filed Feb 6, 2026

Still-open targets the latest release did not restate under the same label.

Non-GAAP effective tax rate · Full Year 2026 17% – 18%
Prior guidance period ended · from the 8-K filed Jul 1, 2026
Acquired in-process research and development, upfront and milest · third quarter of 2026 $290M – $320M
Guided vs delivered · last 4 settled
Total revenue full year 2022
guided $10B – $10.15B
$10.17B Beat +1.0%
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 · 3 · 3
50 / 200-day cross
No cross Neutral
Price vs 200-day avg
+24% Bullish
Price vs 50-day avg
+9% Bullish
RSI (14)
59 Neutral
MACD trend
Negative Bearish
52-week position
98% Bullish
Volume (OBV)
Confirms Neutral
Market signals — smart money & positioning
Bullish · 2 of 6
Trend (MA cross) No cross
50d $233 › 200d $205 — 50d above 200d
Institutional flow Distributing
940 of 1,059 funds reported for Sep 30 · net -1.5M sh shares · +65 new
Insider flow Flat
No net insider activity over 90 days
Short interest Falling
3.69% of shares out · ▼ -0.9% MoM · 4.0 days cover
Volume signal Normal
Volume near normal
Institution breadth Multi-yr high
1,059 holders — near 3-yr high, broad support
Price context
position in its 52-week range
Range low $164 Now $253 · 98% Range high $255
vs 200-day avg +24% vs 50-day avg +9%

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

Key metrics

the company's own KPIs, from written earnings releases and filings
Metric Latest Period YoY
Biogen's share of the Denali collaboration development expense reflected in research and develop $3.3M three months ended June 30, 2026 filing —
Biogen's share of the LEQEMBI Collaboration development expense reflected in research and develo $30.8M three months ended June 30, 2026 filing —
Biogen's share of the LEQEMBI Collaboration sales and marketing expense reflected in selling, ge $77.6M three months ended June 30, 2026 filing —
Biogen's share of the Stoke collaboration development expense reflected in research and developm $4.3M three months ended June 30, 2026 filing —
Biogen's share of the Supernus collaboration development expense reflected in research and devel $0.6M three months ended June 30, 2026 filing —
Biogen's share of the Supernus collaboration sales and marketing expense reflected in selling, g $26.7M three months ended June 30, 2026 filing —
Biogen's share of the UCB collaboration development expense reflected in research and developmen $14.6M three months ended June 30, 2026 filing —
received from Royalty Pharma $25M the three months ended June 30, 2026 filing —
reserves for discounts and allowances as a percentage of gross product revenue 30.7% the three months ended June 30, 2026 filing —
Total Denali collaboration development expense $5.5M three months ended June 30, 2026 filing —
Total development expense incurred by the collaboration related to the advancement of LEQEMBI $61.5M three months ended June 30, 2026 filing —
Total sales and marketing expense incurred by the LEQEMBI Collaboration $155.2M three months ended June 30, 2026 filing —
Total sales and marketing expense incurred by the Supernus collaboration $53.3M three months ended June 30, 2026 filing —
Total Stoke collaboration development expense $14.3M three months ended June 30, 2026 filing —
Total Supernus collaboration development expense $1.2M three months ended June 30, 2026 filing —
Total UCB collaboration development expense $29.3M three months ended June 30, 2026 filing —

Figures exactly as the company stated them in writing · click a metric with a to chart its history · period links open the stating document · "filing" marks figures stated in the 10-K/10-Q · YoY needs an exactly comparable prior-year period

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
$37.46B +44.0% +2.2% — 3.7%
LLY
ELI LILLY & Co
$1.36T +34.3% +44.7% 46.9 0.8%
JNJ
Johnson & Johnson
$687.89B +38.1% +6.0% 43.4 0.7%
ABBV
AbbVie Inc.
$521.50B +29.1% +8.6% 50.8 0.9%
MRK
Merck & Co., Inc.
$364.26B +40.4% +1.3% 152.3 1.1%

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 Reducing
Holders
1,077
% held
98.5%
Reported
940 of 1,059
Top holder
FMR LLC
Held Float
View
Held by Funds
Fund positions
864
View
Short & Settlement
Short Interest Falling
Shares short
5.5M
Days to cover
4.0d
Change
-47.3K sh
View
Short Volume
Short vol %
79%
As of
Nov 13, 2026
Short Total
View
Fails to Deliver
FTD shares
2.1K
Value
$478.6K
As of
Oct 14, 2026
View
Off-Exchange
Off-exchange %
43.3%
Week of
Oct 5, 2026
Off-exch Lit
View
Smart Money
Congressional Trades Sell
Member
Maria Elvira Salazar
Amount
$1.0K–$15.0K
Traded
Sep 24, 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
10-Q
Filed
Oct 28, 2026
This year
33

Biogen completed its Apellis acquisition on May 14, 2026, adding SYFOVRE and EMPAVELI; third-quarter total revenue rose $269.4 million, or 10.6%, while total cost and expense rose $835.7 million, or 42.3%.

View
Proposed Sales
Value
$119.2K
Shares
593
Filed
Aug 4, 2026
View
Earnings & Events
Webcasts Upcoming
Next webcast
Nov 17, 2026
Last webcast
Oct 28, 2026
View
Investor Relations
Latest news
Biogen to Present New Data Across…
Published
Oct 29, 2026
Upcoming events
6
View

Performance

5D 20D 120D MTD YTD
BIIB +2.0% +8.9% +31.2% -0.1% +44.0%
SPY +2.6% -1.2% +0.5% -0.2% +10.6%
vs SPY -0.6% +10.1% +30.7% +0.1% +33.4%

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) 852 filings 783 filers Visit website Investor relations