Biogen Ownership

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

Recent Insider Transactions

BRSE:BIIB Recent Insider Transactions by Companies or Individuals
Date	Value	Name	Entity	Role	Shares	Max Price
02 Apr 24	SellCHF 17,974	Priya Singhal	Individual		93	CHF 193.27

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 Type	Number of Shares	Ownership Percentage
State or Government	186,298	0.128%
Individual Insiders	348,730	0.239%
General Public	14,170,658	9.73%
Institutions	130,955,956	89.9%

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

Top Shareholders

Top 25 shareholders own 65.76% of the company

Ownership	Name	Shares	Current Value	Change %	Portfolio %
11.4%	The Vanguard Group, Inc.	16,600,163	CHF 2.6b	0.18%	0.05%
11.2%	PRIMECAP Management Company	16,338,294	CHF 2.6b	0.72%	2.15%
10.1%	BlackRock, Inc.	14,646,751	CHF 2.3b	0.74%	0.04%
5.28%	T. Rowe Price Group, Inc.	7,690,270	CHF 1.2b	13.8%	0.13%
4.87%	State Street Global Advisors, Inc.	7,096,018	CHF 1.1b	5.17%	0.05%
3.55%	Wellington Management Group LLP	5,166,491	CHF 823.5m	0.91%	0.15%
2.45%	Geode Capital Management, LLC	3,565,965	CHF 568.4m	4.58%	0.05%
2.28%	JP Morgan Asset Management	3,321,900	CHF 529.5m	1.11%	0.07%
1.43%	Norges Bank Investment Management	2,078,745	CHF 331.4m	42%	0.03%
1.2%	Beutel Goodman & Company Ltd.	1,747,444	CHF 278.5m	11.6%	1.4%
1.09%	UBS Asset Management AG	1,586,297	CHF 252.9m	9.55%	0.03%
1.06%	Legal & General Investment Management Limited	1,548,813	CHF 246.9m	-0.13%	0.05%
1.01%	ClearBridge Investments, LLC	1,468,822	CHF 234.1m	-5.94%	0.2%
1%	Columbia Management Investment Advisers, LLC	1,450,005	CHF 231.1m	81.6%	0.06%
0.98%	Northern Trust Global Investments	1,425,921	CHF 227.3m	2.7%	0.04%
0.84%	BNY Asset Management	1,219,683	CHF 194.4m	-9.2%	0.04%
0.76%	Dimensional Fund Advisors LP	1,110,112	CHF 177.0m	-16%	0.03%
0.75%	Invesco Capital Management LLC	1,088,916	CHF 173.6m	-1.97%	0.09%
0.73%	Goldman Sachs Asset Management, L.P.	1,068,140	CHF 170.3m	47.2%	0.05%
0.68%	Morgan Stanley, Investment Banking and Brokerage Investments	992,453	CHF 158.2m	-10.4%	0.02%
0.67%	RA Capital Management, L.P.	982,139	CHF 156.6m	32.6%	2.09%
0.63%	Van Eck Associates Corporation	922,761	CHF 147.1m	-46.9%	0.19%
0.62%	OrbiMed Advisors LLC	900,900	CHF 143.6m	0%	2.28%
0.62%	Charles Schwab Investment Management, Inc.	900,710	CHF 143.6m	4.88%	0.03%
0.59%	JPMorgan Chase & Co, Private Banking and Investment Banking Investments	862,547	CHF 137.5m	5.94%	0.04%

Company Analysis and Financial Data Status

Data	Last Updated (UTC time)
Company Analysis	2024/10/06 20:15
End of Day Share Price	2024/07/09 00:00
Earnings	2024/06/30
Annual Earnings	2023/12/31

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.

Package	Data	Timeframe	Example US Source ^*
Company Financials	10 years	Income statement Cash flow statement Balance sheet	SEC Form 10-K SEC Form 10-Q
Analyst Consensus Estimates	+3 years	Forecast financials Analyst price targets	Analyst Research Reports Blue Matrix
Market Prices	30 years	Stock prices Dividends, Splits and Actions	ICE Market Data SEC Form S-1
Ownership	10 years	Top shareholders Insider trading	SEC Form 4 SEC Form 13D
Management	10 years	Leadership team Board of directors	SEC Form 10-K SEC Form DEF 14A
Key Developments	10 years	Company announcements	SEC Form 8-K

^* 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.

Analysis Model and Snowflake

Details of the analysis model used to generate this report is available on our Github page, we also have guides on how to use our reports and tutorials on Youtube.

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 Github.

Analyst Sources

Biogen Inc. is covered by 65 analysts. 30 of those analysts submitted the estimates of revenue or earnings used as inputs to our report. Analysts submissions are updated throughout the day.

Analyst	Institution
David Toung	Argus Research Company
Brian Skorney	Baird
Ishan Majumdar	Baptista Research