Biogen Ownership

Who are the major shareholders and have insiders been buying or selling?


Recent Insider Transactions

NasdaqGS:BIIB Recent Insider Transactions by Companies or Individuals
DateValueNameEntityRoleSharesMax Price
02 Apr 24SellUS$19,817Priya SinghalIndividual93US$213.09
22 Feb 24SellUS$57,962Priya SinghalIndividual262US$221.23
15 Feb 24BuyUS$101,256Eric RowinskyIndividual455US$222.54

Insider Trading Volume

Insider Buying: Insufficient data to determine if insiders have bought more shares than they have sold in the past 3 months.


Ownership Breakdown

What is the ownership structure of BIIB?
Owner TypeNumber of SharesOwnership Percentage
State or Government140,3680.0963%
Individual Insiders349,5120.24%
General Public14,064,4079.65%
Institutions131,165,05390%

Dilution of Shares: Shareholders have not been meaningfully diluted in the past year.


Top Shareholders

Top 25 shareholders own 65.08% of the company
OwnershipNameSharesCurrent ValueChange %Portfolio %
11.4%
The Vanguard Group, Inc.
16,678,507US$2.4b0.47%0.04%
11.2%
PRIMECAP Management Company
16,315,079US$2.4b-0.14%1.74%
10.5%
BlackRock, Inc.
15,347,041US$2.2b5.56%0.04%
5.04%
State Street Global Advisors, Inc.
7,344,960US$1.1b3.51%0.04%
4.23%
T. Rowe Price Group, Inc.
6,168,832US$903.5m-19.8%0.08%
3.52%
Wellington Management Group LLP
5,131,193US$751.6m-0.68%0.12%
2.48%
Geode Capital Management, LLC
3,613,020US$529.2m1.32%0.04%
2.42%
JP Morgan Asset Management
3,524,314US$516.2m6.09%0.06%
1.43%
Norges Bank Investment Management
2,078,745US$304.5m0%0.02%
1.2%
Beutel Goodman & Company Ltd.
1,744,154US$255.5m-0.19%1.19%
1.14%
UBS Asset Management AG
1,656,544US$242.6m4.43%0.02%
1.04%
Legal & General Investment Management Limited
1,511,506US$221.4m-2.41%0.04%
0.97%
Invesco Capital Management LLC
1,413,892US$207.1m29.8%0.08%
0.93%
Northern Trust Global Investments
1,353,135US$198.2m-5.1%0.03%
0.91%
Morgan Stanley, Investment Banking and Brokerage Investments
1,323,321US$193.8m33.3%0.02%
0.81%
RA Capital Management, L.P.
1,184,456US$173.5m20.6%2.18%
0.79%
Columbia Management Investment Advisers, LLC
1,150,486US$168.5m-20.7%0.04%
0.76%
Dimensional Fund Advisors LP
1,114,340US$163.2m0.38%0.03%
0.67%
BNY Asset Management
982,172US$143.9m-19.5%0.03%
0.65%
Renaissance Technologies LLC
952,706US$139.5m54.1%0.21%
0.63%
Charles Schwab Investment Management, Inc.
913,029US$133.7m1.37%0.02%
0.62%
JPMorgan Chase & Co, Private Banking and Investment Banking Investments
903,148US$132.3m4.71%0.03%
0.62%
Amundi Asset Management SAS
902,664US$132.2m31.4%0.03%
0.56%
OrbiMed Advisors LLC
813,000US$119.1m-9.76%1.72%
0.49%
Massachusetts Financial Services Company
711,184US$104.2m29.6%0.02%

Company Analysis and Financial Data Status

DataLast Updated (UTC time)
Company Analysis2024/12/22 09:11
End of Day Share Price 2024/12/20 00:00
Earnings2024/09/30
Annual Earnings2023/12/31

Data Sources

The data used in our company analysis is from S&P Global Market Intelligence LLC. The following data is used in our analysis model to generate this report. Data is normalised which can introduce a delay from the source being available.

PackageDataTimeframeExample US Source *
Company Financials10 years
  • Income statement
  • Cash flow statement
  • Balance sheet
Analyst Consensus Estimates+3 years
  • Forecast financials
  • Analyst price targets
Market Prices30 years
  • Stock prices
  • Dividends, Splits and Actions
Ownership10 years
  • Top shareholders
  • Insider trading
Management10 years
  • Leadership team
  • Board of directors
Key Developments10 years
  • Company announcements

* example for US securities, for non-US equivalent regulatory forms and sources are used.

Unless specified all financial data is based on a yearly period but updated quarterly. This is known as Trailing Twelve Month (TTM) or Last Twelve Month (LTM) Data. Learn more here.

Analysis Model and Snowflake

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Learn about the world class team who designed and built the Simply Wall St analysis model.

Industry and Sector Metrics

Our industry and section metrics are calculated every 6 hours by Simply Wall St, details of our process are available on .

Analyst Sources

Biogen Inc. is covered by 76 analysts. 32 of those analysts submitted the estimates of revenue or earnings used as inputs to our report. Analysts submissions are updated throughout the day.

AnalystInstitution
David ToungArgus Research Company
Steven ChesneyAtlantic Equities LLP
Brian SkorneyBaird