BIIB Insider Trading

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Insider Trading History
Frequently Asked Questions
About

Insider Ownership Percentage: 0.16%

Insider Buying (Last 12 Months): $0.00

Insider Selling (Last 12 Months): $1,402,194.02

Biogen Insider Trading History Chart

Biogen Share Price & Price History

^$118.61

▲ +3.32 (2.88%)

As of 04/17/2025 05:00 PM ET

Days: 30 | 90 | 365

Biogen Insider Trading History

Transaction Date	Insider Name	Title	Buy/Sell	Number of Shares	Average Share Price	Total Transaction	Shares Held After Transaction
3/7/2025	Stephen A Sherwin	Director	Sell	8,760	$150.02	$1,314,175.20	11,318
9/3/2024	Priya Singhal	Insider	Sell	431	$204.22	$88,018.82	5,316
4/2/2024	Priya Singhal	Insider	Sell	93	$213.09	$19,817.37	4,886
2/22/2024	Priya Singhal	Insider	Sell	262	$221.23	$57,962.26	4,886
2/16/2024	Priya Singhal	Insider	Sell	108	$221.49	$23,920.92	5,148
2/15/2024	Eric K. Rowinsky	Director	Buy	455	$222.54	$101,255.70	20,629
2/12/2024	Priya Singhal	Insider	Sell	419	$239.45	$100,329.55	4,516
12/11/2023	Priya Singhal	Insider	Sell	110	$248.00	$27,280.00	3,464
9/5/2023	Priya Singhal	Insider	Sell	431	$269.43	$116,124.33	3,354
7/3/2023	Priya Singhal	Insider	Sell	81	$282.87	$22,912.47	2,924
4/28/2023	Ginger Gregory	EVP	Sell	2,681	$300.00	$804,300.00	8,483
4/4/2023	Priya Singhal	Insider	Sell	91	$277.11	$25,217.01	2,843
3/28/2023	Priya Singhal	Insider	Sell	568	$270.06	$153,394.08	2,842
11/14/2022	Ginger Gregory	EVP	Sell	5,610	$300.11	$1,683,617.10	5,711
10/27/2022	Susan H. Alexander	EVP	Sell	5,532	$280.70	$1,552,832.40	39,396

See Full Table

SEC Filings (Institutional Ownership Changes) for Biogen (NASDAQ:BIIB)

87.93% of Biogen stock is owned by institutions. Institutional ownership can be a sign of analyst confidence in the fundamentals of the stock.

Institutional Buying and Selling by Quarter

Biogen Institutional Trading History

Reporting Date	Hedge Fund	Shares Held	Market Value	% of Portfolio	Quarterly Change in Shares	Ownership in Company
4/17/2025	NBT Bank N A NY	249	$34K	0.0%	-63.9%	0.000%
4/17/2025	Grove Bank & Trust	444	$61K	0.0%	+255.2%	0.000%
4/17/2025	Grimes & Company Inc.	59,334	$8.12M	0.3%	+131.7%	0.041%
4/17/2025	QRG Capital Management Inc.	4,039	$0.55M	0.0%	+55.1%	0.003%
4/17/2025	Janney Montgomery Scott LLC	17,941	$2.46M	0.0%	+45.6%	0.012%
4/17/2025	Mission Wealth Management LP	1,850	$0.25M	0.0%	-20.3%	0.001%
4/17/2025	Bank Pictet & Cie Europe AG	1,614	$0.22M	0.0%	N/A	0.001%
4/17/2025	Trust Co. of Toledo NA OH	2,264	$0.31M	0.0%	+12.5%	0.002%
4/17/2025	Exchange Traded Concepts LLC	2,405	$0.33M	0.0%	+5.2%	0.002%
4/17/2025	Dohj LLC	8,592	$1.18M	0.3%	-1.8%	0.006%
4/17/2025	Missouri Trust & Investment Co	6,325	$0.87M	0.3%	+63.6%	0.004%
4/16/2025	Opal Wealth Advisors LLC	191	$26K	0.0%	N/A	0.000%
4/16/2025	Wealth Enhancement Advisory Services LLC	19,049	$2.61M	0.0%	+15.8%	0.013%
4/16/2025	CVA Family Office LLC	231	$32K	0.0%	+71.1%	0.000%
4/16/2025	Crowley Wealth Management Inc.	5,295	$0.73M	0.7%	-14.3%	0.004%
4/16/2025	Quintet Private Bank Europe S.A.	927	$0.13M	0.0%	-34.5%	0.001%
4/16/2025	NorthCrest Asset Manangement LLC	34,532	$4.73M	0.1%	+6.6%	0.024%
4/16/2025	Mogy Joel R Investment Counsel Inc.	6,260	$0.86M	0.1%	-8.7%	0.004%
4/15/2025	Fifth Third Bancorp	5,489	$0.75M	0.0%	+69.1%	0.004%
4/15/2025	CX Institutional	1,315	$0.18M	0.0%	N/A	0.001%
4/15/2025	Assenagon Asset Management S.A.	44,796	$6.13M	0.0%	+3.1%	0.031%
4/15/2025	Integrated Advisors Network LLC	2,180	$0.30M	0.0%	+45.8%	0.001%
4/15/2025	Handelsbanken Fonder AB	80,254	$10.98M	0.0%	-2.1%	0.055%
4/15/2025	Avanza Fonder AB	15,287	$2.01M	0.1%	-1.6%	0.010%
4/15/2025	GAMMA Investing LLC	1,862	$0.26M	0.0%	+367.8%	0.001%
4/14/2025	Harbor Capital Advisors Inc.	2,253	$0.31M	0.0%	N/A	0.002%
4/14/2025	Yousif Capital Management LLC	22,707	$3.11M	0.0%	-1.5%	0.016%
4/14/2025	Pallas Capital Advisors LLC	13,345	$1.83M	0.1%	+136.2%	0.009%
4/14/2025	Farther Finance Advisors LLC	1,127	$0.15M	0.0%	-29.3%	0.001%
4/14/2025	Park Avenue Securities LLC	3,066	$0.42M	0.0%	+32.9%	0.002%
4/14/2025	UMB Bank n.a.	472	$65K	0.0%	+88.0%	0.000%
4/14/2025	Wedmont Private Capital	2,109	$0.29M	0.0%	-42.5%	0.001%
4/11/2025	Curat Global LLC	503	$69K	0.1%	N/A	0.000%
4/11/2025	Generali Investments Management Co LLC	1,962	$0.27M	0.1%	-26.7%	0.001%
4/11/2025	Riverview Trust Co	286	$39K	0.0%	N/A	0.000%
4/10/2025	Hennion & Walsh Asset Management Inc.	1,891	$0.26M	0.0%	-9.2%	0.001%
4/9/2025	Sentry Investment Management LLC	454	$62K	0.0%	-22.9%	0.000%
4/9/2025	Merit Financial Group LLC	8,997	$1.23M	0.0%	+207.0%	0.006%
4/9/2025	NBC Securities Inc.	257	$35K	0.0%	N/A	0.000%
4/9/2025	Enterprise Bank & Trust Co	2,663	$0.36M	0.1%	-7.0%	0.002%
4/9/2025	Czech National Bank	33,620	$4.60M	0.0%	+6.4%	0.023%
4/9/2025	Legacy Wealth Asset Management LLC	2,420	$0.33M	0.1%	+32.3%	0.002%
4/8/2025	Rhumbline Advisers	296,294	$40.55M	0.0%	+10.3%	0.202%
4/8/2025	Parallel Advisors LLC	1,610	$0.22M	0.0%	+22.0%	0.001%
4/7/2025	First County Bank CT	4,772	$0.65M	0.4%	N/A	0.003%
4/7/2025	GAMMA Investing LLC	254,796	$34.87M	0.0%	+63,919.1%	0.174%
4/7/2025	Nexus Investment Management ULC	920	$0.13M	0.0%	N/A	0.001%
4/4/2025	Quent Capital LLC	391	$54K	0.0%	+31.2%	0.000%
4/4/2025	Farmers Trust Co.	14,861	$2.03M	0.4%	+15.7%	0.010%
4/1/2025	Centre Asset Management LLC	56,894	$7.79M	2.0%	+10.4%	0.039%
4/1/2025	MassMutual Private Wealth & Trust FSB	510	$70K	0.0%	+87.5%	0.000%
3/18/2025	California State Teachers Retirement System	233,318	$35.68M	0.0%	+1.2%	0.159%
3/17/2025	Wealth Enhancement Advisory Services LLC	16,443	$2.51M	0.0%	+232.9%	0.011%
3/17/2025	NorthCrest Asset Manangement LLC	32,406	$4.96M	0.1%	+1.7%	0.022%
3/14/2025	Lansforsakringar Fondforvaltning AB publ	48,262	$7.38M	0.1%	N/A	0.033%
3/13/2025	PKO Investment Management Joint Stock Co	7,800	$1.19M	0.1%	N/A	0.005%
3/12/2025	Wealthedge Investment Advisors LLC	1,734	$0.27M	0.1%	N/A	0.001%
3/11/2025	Lighthouse Financial LLC	2,100	$0.32M	0.3%	N/A	0.001%
3/4/2025	Siemens Fonds Invest GmbH	14,321	$2.19M	0.1%	+159.4%	0.010%
2/28/2025	Universal Beteiligungs und Servicegesellschaft mbH	152,867	$23.38M	0.0%	N/A	0.104%
2/26/2025	Virtue Capital Management LLC	1,500	$0.23M	0.0%	N/A	0.001%
2/25/2025	B. Riley Wealth Advisors Inc.	2,343	$0.36M	0.0%	+4.1%	0.002%
2/25/2025	Integrated Advisors Network LLC	1,495	$0.23M	0.0%	-24.0%	0.001%
2/21/2025	Vermillion Wealth Management Inc.	300	$46K	0.0%	N/A	0.000%
2/20/2025	Mackenzie Financial Corp	33,846	$5.18M	0.0%	+140.3%	0.023%
2/20/2025	Forum Financial Management LP	3,804	$0.58M	0.0%	+26.5%	0.003%
2/19/2025	Toronto Dominion Bank	72,671	$11.11M	0.0%	+20.4%	0.050%
2/19/2025	Auxier Asset Management	14,046	$2.15M	0.3%	-13.2%	0.010%
2/19/2025	GF Fund Management CO. LTD.	34,242	$5.24M	0.1%	N/A	0.023%
2/19/2025	Public Employees Retirement System of Ohio	50,051	$7.65M	0.0%	-5.4%	0.034%
2/18/2025	Vise Technologies Inc.	1,636	$0.25M	0.0%	N/A	0.001%
2/18/2025	Inspire Trust Co. N.A.	12,300	$1.88M	0.5%	+12.8%	0.008%
2/17/2025	UBS AM a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC	1,533,813	$234.55M	0.1%	+33.1%	1.053%
2/17/2025	USS Investment Management Ltd	31,498	$4.82M	0.0%	-15.1%	0.022%
2/17/2025	Voloridge Investment Management LLC	151,678	$23.20M	0.1%	N/A	0.104%
2/17/2025	Worldquant Millennium Advisors LLC	461,120	$70.51M	0.5%	+214.9%	0.316%
2/17/2025	Woodline Partners LP	88,157	$13.48M	0.1%	+7.1%	0.060%
2/17/2025	Vident Advisory LLC	1,386	$0.21M	0.0%	+13.6%	0.001%
2/17/2025	Triglav Skladi D.O.O.	18,027	$2.76M	0.2%	N/A	0.012%
2/17/2025	Two Sigma Advisers LP	534,600	$81.75M	0.2%	+25.0%	0.367%
2/17/2025	Two Sigma Investments LP	852,336	$130.34M	0.3%	+31.4%	0.585%
2/17/2025	Tidal Investments LLC	18,959	$2.90M	0.0%	+110.4%	0.013%
2/17/2025	State of Wyoming	2,505	$0.38M	0.0%	N/A	0.002%
2/17/2025	Tema Etfs LLC	2,501	$0.38M	0.2%	N/A	0.002%
2/17/2025	Toronto Dominion Bank	72,671	$11.11M	0.0%	+20.4%	0.050%
2/17/2025	Suvretta Capital Management LLC	115,436	$17.65M	0.6%	+285.5%	0.079%
2/17/2025	Siemens Fonds Invest GmbH	14,321	$2.19M	0.1%	+159.4%	0.010%
2/17/2025	Shell Asset Management Co.	3,952	$0.60M	0.0%	-2.5%	0.003%
2/17/2025	Sherbrooke Park Advisers LLC	4,464	$0.68M	0.2%	+75.1%	0.003%
2/17/2025	Sig Brokerage LP	4,411	$0.68M	0.0%	N/A	0.003%
2/17/2025	Sphera Funds Management LTD.	22,738	$3.48M	0.6%	-7.0%	0.016%
2/17/2025	Rafferty Asset Management LLC	189,520	$28.98M	0.1%	+18.3%	0.130%
2/17/2025	Raiffeisen Bank International AG	1,571	$0.24M	0.0%	N/A	0.001%
2/17/2025	Point72 Hong Kong Ltd	26,179	$4M	0.2%	N/A	0.018%
2/17/2025	ProShare Advisors LLC	198,326	$30.33M	0.1%	+17.3%	0.136%
2/17/2025	Quantinno Capital Management LP	6,284	$0.96M	0.0%	+104.8%	0.004%
2/17/2025	Mufg Securities Americas Inc.	2,151	$0.33M	0.0%	N/A	0.001%
2/17/2025	Patient Capital Management LLC	413,960	$63.30M	2.9%	+61.7%	0.284%
2/17/2025	Man Group plc	686,550	$104.99M	0.3%	-19.9%	0.471%
2/17/2025	Nissay Asset Management Corp Japan ADV	43,879	$6.64M	0.0%	+3.2%	0.030%

Data available starting January 2016

See Full Table

Biogen Inc. discovers, develops, manufactures, and delivers therapies for treating neurological and neurodegenerative diseases in the United States, Europe, Germany, Asia, and internationally. The company provides TECFIDERA, VUMERITY, AVONEX, PLEGRIDY, TYSABRI, and FAMPYRA for multiple sclerosis (MS); SPINRAZA for spinal muscular atrophy; ADUHELM to treat Alzheimer's disease; FUMADERM to treat plaque psoriasis; BENEPALI, an etanercept biosimilar referencing ENBREL; IMRALDI, an adalimumab biosimilar referencing HUMIRA; FLIXABI, an infliximab biosimilar referencing REMICADE; and BYOOVIZ, a ranibizumab biosimilar referencing LUCENTIS. It offers RITUXAN for treating non-Hodgkin's lymphoma, chronic lymphocytic leukemia (CLL), rheumatoid arthritis, two forms of ANCA-associated vasculitis, and pemphigus vulgaris; RITUXAN HYCELA for non-Hodgkin's lymphoma and CLL; GAZYVA to treat CLL and follicular lymphoma; OCREVUS for relapsing MS and primary progressive MS; LUNSUMIO to treat relapsed or refractory follicular lymphoma; glofitamab for non-Hodgkin's lymphoma; and other anti-CD20 therapies. In addition, the company is developing various products for the treatment of MS, Alzheimer's disease and dementia, neuromuscular disorders, Parkinson's disease and movement disorders, neuropsychiatry, genetic neurodevelopmental disorders, and biosimilars, which are under various stages of development. It has collaboration and license agreements with Acorda Therapeutics, Inc.; Alkermes Pharma Ireland Limited; Denali Therapeutics Inc.; Eisai Co., Ltd.; Genentech, Inc.; Neurimmune SubOne AG; Ionis Pharmaceuticals, Inc.; Samsung Bioepis Co., Ltd.; Sangamo Therapeutics, Inc.; and Sage Therapeutics, Inc., as well as collaboration with Fujirebio to potentially identify and develop blood-based biomarkers for tau pathology in the brain. The company was founded in 1978 and is headquartered in Cambridge, Massachusetts.

Today's Range

Now: $118.61

$114.66

$118.77

50 Day Range

MA: $134.71

$113.38

$150.71

52 Week Range

Now: $118.61

$110.04

$238.00

Volume

1,206,280 shs

Average Volume

1,355,639 shs

Market Capitalization

$17.36 billion

P/E Ratio

10.60

Dividend Yield

N/A

Beta

0.06

Who are the company insiders with the largest holdings of Biogen?: Biogen's top insider shareholders include:
Eric K Rowinsky (Director)
Stephen A Sherwin (Director)
Ginger Gregory (EVP)
Priya Singhal (Insider)
Learn More about top insider investors at Biogen.
Who are the major institutional investors of Biogen?: Biogen's top institutional investors include:
Rhumbline Advisers — 0.20%
GAMMA Investing LLC — 0.17%
Handelsbanken Fonder AB — 0.05%
Grimes & Company Inc. — 0.04%
Centre Asset Management LLC — 0.04%
Assenagon Asset Management S.A. — 0.03%
Learn More about top institutional investors of Biogen stock.
Which major investors are selling Biogen stock?: Within the last quarter, BIIB stock was sold by these institutional investors:
Handelsbanken Fonder AB
Wedmont Private Capital
Crowley Wealth Management Inc.
Generali Investments Management Co LLC
Mogy Joel R Investment Counsel Inc.
Quintet Private Bank Europe S.A.
Mission Wealth Management LP
Farther Finance Advisors LLC
During the previous year, company insiders that have sold Biogen company stock include:
Eric K Rowinsky (Director)
Stephen A Sherwin (Director)
Learn More investors selling Biogen stock.
Which major investors are buying Biogen stock?: During the last quarter, BIIB stock was bought by institutional investors including:
GAMMA Investing LLC
Grimes & Company Inc.
SG Americas Securities LLC
Rhumbline Advisers
Pallas Capital Advisors LLC
Merit Financial Group LLC
Janney Montgomery Scott LLC
Centre Asset Management LLC