Stock detail
Biogen (BIIB) stock price, chart, and key data
View Biogen stock price, chart movement, and headline metrics on Woodstock's stock detail page.

Stock detail
Biogen
BIIB · XNAS
$218.29
+1.33%
+$2.86
Key metrics
52-week range
$8.75 - $6.00
Close price
$215.43
Market cap
$31.8B
P/E ratio
326.41
Beta
0.8
About the company
Biogen Inc.
Biogen Inc. is an American multinational biotechnology company based in Cambridge, Massachusetts, United States specializing in the treatment of neurological diseases. The company's primary products are dimethyl fumarate, diroximel fumarate, interferon beta-1a, peginterferon beta-1a, and natalizumab, all for the treatment of multiple sclerosis; nusinersen for the treatment of spinal muscular atrophy; omaveloxolone for the treatment of Friedreich's ataxia; tofersen for the treatment of ALS; and dimethyl fumarate for the treatment of severe plaque psoriasis. The company also produces 5 biosimilars and has collaborations with Genentech for several drugs. The company is ranked 424th on the Fortune 500 and 845th on the Forbes Global 2000.
Analyst rating summary
A current read on analyst sentiment from the insight feed.
Mean target
$237
17
Buy
/ 27
Recent calls
09/10/2026
HSBC
Morten Herholdt
Sell · Price target $175
09/09/2026
BMO Capital
Evan Seigerman
Hold
09/03/2026
Piper Sandler
David Amsellem
Buy · Price target $245
Ticker holders
Review politician disclosures and insider transactions in tabs.
Holder directory
Select a heading to reorder by name, activity date, buy/sell, or displayed value.
#1Ro Khanna democrat · House · CA-17 child |
| $4,002/$32,001/$60,000 |
#2Alan Armstrong self |
| $1,001/$8,001/$15,000 |
#3Donald J Trump republican · Executive self |
| 327/661/996 |
#4James French Hill republican · House · AR-2 self |
| 284/426/568 |
#5Maria Elvira republican · House self |
| 183/287/391 |
#6Gilbert Cisneros democrat · House · CA-31 self |
| 10/85/160 |
#7Ro Khanna democrat · House · CA-17 spouse |
| 7/56/106 |
#8Rob Bresnahan republican · House · PA-8 self |
| 5/45/85 |
#9Kevin Hern republican · House · OK-1 self |
| 0/7/14 |
#10Shaun Finnie self |
| 1/2/5 |
#11Shaun Finnie spouse |
| 1/2/5 |
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