Biogen Ownership

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

Recent Insider Transactions

LSE:0R1B Recent Insider Transactions by Companies or Individuals
Date	Value	Name	Entity	Shares	Max Price
02 Apr 24	SellUS$19,817	Priya Singhal	Individual	93	US$213.09
22 Feb 24	SellUS$57,962	Priya Singhal	Individual	262	US$221.23
15 Feb 24	BuyUS$101,256	Eric Rowinsky	Individual	455	US$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 0R1B?
Owner Type	Number of Shares	Ownership Percentage
State or Government	186,298	0.128%
Individual Insiders	348,730	0.239%
General Public	14,149,804	9.71%
Institutions	130,976,810	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	US$3.2b	0.18%	0.05%
11.2%	PRIMECAP Management Company	16,338,294	US$3.2b	0.72%	2.2%
10.1%	BlackRock, Inc.	14,646,751	US$2.8b	0.74%	0.05%
5.28%	T. Rowe Price Group, Inc.	7,690,270	US$1.5b	13.8%	0.13%
4.87%	State Street Global Advisors, Inc.	7,096,018	US$1.4b	5.17%	0.05%
3.55%	Wellington Management Group LLP	5,166,491	US$1.0b	0.91%	0.15%
2.45%	Geode Capital Management, LLC	3,565,965	US$691.2m	4.58%	0.05%
2.28%	JP Morgan Asset Management	3,321,900	US$643.9m	1.11%	0.07%
1.43%	Norges Bank Investment Management	2,078,745	US$402.9m	42%	0.03%
1.2%	Beutel Goodman & Company Ltd.	1,747,444	US$338.7m	11.6%	1.44%
1.09%	UBS Asset Management AG	1,586,297	US$307.5m	9.55%	0.03%
1.06%	Legal & General Investment Management Limited	1,548,813	US$300.2m	-0.13%	0.05%
1.01%	ClearBridge Investments, LLC	1,468,822	US$284.7m	-5.94%	0.21%
1%	Columbia Management Investment Advisers, LLC	1,450,005	US$281.1m	81.6%	0.06%
0.98%	Northern Trust Global Investments	1,425,921	US$276.4m	2.7%	0.04%
0.84%	BNY Asset Management	1,219,683	US$236.4m	-9.2%	0.04%
0.76%	Dimensional Fund Advisors LP	1,110,112	US$215.2m	-16%	0.03%
0.75%	Invesco Capital Management LLC	1,088,916	US$211.1m	-1.97%	0.09%
0.73%	Goldman Sachs Asset Management, L.P.	1,068,140	US$207.0m	47.2%	0.05%
0.68%	Morgan Stanley, Investment Banking and Brokerage Investments	992,453	US$192.4m	-10.4%	0.02%
0.67%	RA Capital Management, L.P.	982,139	US$190.4m	32.6%	2.16%
0.63%	Van Eck Associates Corporation	922,761	US$178.9m	-46.9%	0.2%
0.62%	OrbiMed Advisors LLC	900,900	US$174.6m	0%	2.4%
0.62%	Charles Schwab Investment Management, Inc.	900,710	US$174.6m	4.88%	0.03%
0.59%	JPMorgan Chase & Co, Private Banking and Investment Banking Investments	862,547	US$167.2m	5.94%	0.04%