InsiderTrades.com logo

BIIB Insider Trading

Insider Ownership Percentage: 0.18%
Insider Buying (Last 12 Months): $585.09
Insider Selling (Last 12 Months): $1,034,814.55

Biogen Insider Trading History Chart

This chart shows the insider buying and selling history at Biogen by year and by quarter.

Skip ChartChart Data in Insider Trading History Table

Biogen Share Price & Price History

Current Price: $181.46
Price Change: ▼ Price Decrease of -1.95 (-1.06%)
As of 03/20/2026 05:00 PM ET

This chart shows the closing price history over time for BIIB up to the past year.

Skip Chart and Table DataPrice Data in Insider Trading History Table
Days: 30 | 90 | 365

Biogen Insider Trading History

Transaction DateInsider NameTitleBuy/SellNumber of SharesAverage Share PriceTotal TransactionShares Held After TransactionDetails
2/12/2026Nicole MurphyInsiderBuy3$195.03$585.0919,611View SEC Filing Icon  
2/9/2026Priya SinghalInsiderSell2,660$199.83$531,547.808,043View SEC Filing Icon  
2/2/2026Priya SinghalInsiderSell748$179.30$134,116.406,271View SEC Filing Icon  
9/2/2025Priya SinghalInsiderSell517$133.55$69,045.355,772View SEC Filing Icon  
7/8/2025Rachid IzzarInsiderSell2,223$135.00$300,105.006,330View SEC Filing Icon  
3/7/2025Stephen A SherwinDirectorSell8,760$150.02$1,314,175.2011,318View SEC Filing Icon  
9/3/2024Priya SinghalInsiderSell431$204.22$88,018.825,316View SEC Filing Icon  
4/2/2024Priya SinghalInsiderSell93$213.09$19,817.374,886View SEC Filing Icon  
2/22/2024Priya SinghalInsiderSell262$221.23$57,962.264,886View SEC Filing Icon  
2/16/2024Priya SinghalInsiderSell108$221.49$23,920.925,148View SEC Filing Icon  
2/15/2024Eric K. RowinskyDirectorBuy455$222.54$101,255.7020,629View SEC Filing Icon  
2/12/2024Priya SinghalInsiderSell419$239.45$100,329.554,516View SEC Filing Icon  
12/11/2023Priya SinghalInsiderSell110$248.00$27,280.003,464View SEC Filing Icon  
9/5/2023Priya SinghalInsiderSell431$269.43$116,124.333,354View SEC Filing Icon  
7/3/2023Priya SinghalInsiderSell81$282.87$22,912.472,924View SEC Filing Icon  
4/28/2023Ginger GregoryEVPSell2,681$300.00$804,300.008,483View SEC Filing Icon  
4/4/2023Priya SinghalInsiderSell91$277.11$25,217.012,843View SEC Filing Icon  
3/28/2023Priya SinghalInsiderSell568$270.06$153,394.082,842View SEC Filing Icon  
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

This chart shows the instiutional buying and selling at BIIB by year and by quarter.

Skip Institutional Buying and Selling Chart and Table DataRead Chart Data in Institutional Trading History Table

Biogen Institutional Trading History

Reporting DateHedge FundShares HeldMarket Value% of PortfolioQuarterly Change in SharesOwnership in CompanyDetails
3/17/2026Rockefeller Capital Management L.P.5,007$0.88M0.0%-3.2%0.003%Search for SEC Filing on Google Icon
3/13/2026World Investment Advisors6,739$1.19M0.0%+4.9%0.005%Search for SEC Filing on Google Icon
3/9/2026Corient Private Wealth LLC41,149$7.25M0.0%+18.0%0.028%Search for SEC Filing on Google Icon
3/6/2026Hsbc Holdings PLC503,832$88.84M0.1%+11.1%0.343%Search for SEC Filing on Google Icon
3/4/2026Pure Financial Advisors LLC1,173$0.21M0.0%N/A0.001%Search for SEC Filing on Google Icon
3/4/2026SHP Wealth Management223$39K0.0%N/A0.000%Search for SEC Filing on Google Icon
3/3/2026Employees Provident Fund Board704,196$123.93M0.9%N/A0.480%Search for SEC Filing on Google Icon
3/3/2026WMS Group LLC1,550$0.27M0.3%N/A0.001%Search for SEC Filing on Google Icon
3/3/2026Bank of Hawaii6,667$1.17M0.1%N/A0.005%Search for SEC Filing on Google Icon
3/2/2026Reflection Asset Management141$25K0.0%N/A0.000%Search for SEC Filing on Google Icon
2/27/2026Groupama Asset Managment8,431$1.48M0.0%-1.1%0.006%Search for SEC Filing on Google Icon
2/24/2026DGS Capital Management LLC2,182$0.38M0.1%+27.8%0.001%Search for SEC Filing on Google Icon
2/24/2026SG Trading Solutions LLC1,467$0.26M0.1%N/A0.001%Search for SEC Filing on Google Icon
2/23/2026MV Capital Management Inc.194$34K0.0%N/A0.000%Search for SEC Filing on Google Icon
2/20/2026Kovitz Investment Group Partners LLC21,133$3.72M0.1%-7.9%0.014%Search for SEC Filing on Google Icon
2/19/2026T. Rowe Price Investment Management Inc.1,170,907$206.07M0.1%+9.7%0.798%Search for SEC Filing on Google Icon
2/19/2026Compound Planning Inc.3,278$0.58M0.0%N/A0.002%Search for SEC Filing on Google Icon
2/19/2026Invesco Ltd.1,655,441$291.34M0.0%-31.5%1.128%Search for SEC Filing on Google Icon
2/19/2026Axxcess Wealth Management LLC2,281$0.40M0.0%N/A0.002%Search for SEC Filing on Google Icon
2/19/2026Corient Private Wealth LLC46,318$8.15M0.0%+32.9%0.032%Search for SEC Filing on Google Icon
2/18/2026Strive Financial Group LLC200$35K0.0%N/A0.000%Search for SEC Filing on Google Icon
2/18/2026Mercer Global Advisors Inc. ADV42,475$7.45M0.0%+4.8%0.029%Search for SEC Filing on Google Icon
2/18/2026Vident Advisory LLC4,205$0.74M0.0%-15.8%0.003%Search for SEC Filing on Google Icon
2/18/2026Beacon Pointe Advisors LLC3,401$0.60M0.0%+5.5%0.002%Search for SEC Filing on Google Icon
2/18/2026Wahed Invest LLC3,846$0.68M0.1%-3.8%0.003%Search for SEC Filing on Google Icon
2/18/2026State of Tennessee Department of Treasury71,467$12.86M0.0%-16.4%0.049%Search for SEC Filing on Google Icon
2/18/2026EP Wealth Advisors LLC1,800$0.32M0.0%N/A0.001%Search for SEC Filing on Google Icon
2/18/2026Mackenzie Financial Corp71,075$12.51M0.0%+11.5%0.048%Search for SEC Filing on Google Icon
2/18/2026NewEdge Advisors LLC21,048$3.70M0.0%+130.3%0.014%Search for SEC Filing on Google Icon
2/18/2026XTX Topco Ltd2,459$0.43M0.0%N/A0.002%Search for SEC Filing on Google Icon
2/18/2026VestGen Advisors LLC6,884$1.21M0.1%N/A0.005%Search for SEC Filing on Google Icon
2/18/2026Virtus Investment Advisers LLC3,923$0.69M0.2%+16.8%0.003%Search for SEC Filing on Google Icon
2/18/2026Wellington Management Group LLP3,551,269$624.99M0.2%-16.4%2.420%Search for SEC Filing on Google Icon
2/18/2026Susquehanna Portfolio Strategies LLC106,114$18.68M0.3%N/A0.072%Search for SEC Filing on Google Icon
2/18/2026Toronto Dominion Bank49,173$8.65M0.0%-16.6%0.034%Search for SEC Filing on Google Icon
2/18/2026Twinbeech Capital LP2,834$0.50M0.0%N/A0.002%Search for SEC Filing on Google Icon
2/18/2026Sphera Funds Management LTD.94,738$16.67M3.2%+14.5%0.065%Search for SEC Filing on Google Icon
2/18/2026Summit Securities Group LLC219$39K0.0%+346.9%0.000%Search for SEC Filing on Google Icon
2/18/2026Suvretta Capital Management LLC132,290$23.28M0.5%-21.3%0.090%Search for SEC Filing on Google Icon
2/18/2026Polymer Capital Management US LLC5,022$0.88M0.1%+87.8%0.003%Search for SEC Filing on Google Icon
2/18/2026Quadrature Capital Ltd2,611$0.46M0.0%N/A0.002%Search for SEC Filing on Google Icon
2/18/2026Perceptive Advisors LLC124,000$21.82M0.4%N/A0.084%Search for SEC Filing on Google Icon
2/18/2026Man Group plc339,284$59.71M0.1%-63.0%0.231%Search for SEC Filing on Google Icon
2/18/2026IHT Wealth Management LLC2,473$0.44M0.0%N/A0.002%Search for SEC Filing on Google Icon
2/18/2026Investment Management Corp of Ontario12,342$2.17M0.0%+31.5%0.008%Search for SEC Filing on Google Icon
2/18/2026Janus Henderson Group PLC20,252$3.56M0.0%+10.9%0.014%Search for SEC Filing on Google Icon
2/18/2026Gotham Asset Management LLC276,809$48.72M0.2%+2.3%0.189%Search for SEC Filing on Google Icon
2/18/2026Evolve Private Wealth LLC3,183$0.56M0.0%N/A0.002%Search for SEC Filing on Google Icon
2/18/2026Eversept Partners LP77,944$13.72M0.7%+50.6%0.053%Search for SEC Filing on Google Icon
2/18/2026Cinctive Capital Management LP52,173$9.18M0.5%-20.8%0.036%Search for SEC Filing on Google Icon
2/18/2026Banco Bilbao Vizcaya Argentaria S.A.146,951$25.86M0.2%+6.0%0.100%Search for SEC Filing on Google Icon
2/18/2026Auxier Asset Management LLC8,911$1.57M0.2%-12.3%0.006%Search for SEC Filing on Google Icon
2/18/2026Align Financial LLC4,928$0.87M0.0%N/A0.003%Search for SEC Filing on Google Icon
2/17/2026Freestone Grove Partners LP187,608$33.02M0.2%-14.3%0.128%Search for SEC Filing on Google Icon
2/17/2026Guggenheim Capital LLC24,020$4.23M0.0%-61.7%0.016%Search for SEC Filing on Google Icon
2/17/2026Caisse de depot et placement du Quebec588,545$103.58M0.2%+3.4%0.401%Search for SEC Filing on Google Icon
2/17/2026Logos Global Management LP200,000$35.20M2.1%+100.0%0.136%Search for SEC Filing on Google Icon
2/17/2026ADAR1 Capital Management LLC24,300$4.28M0.3%+35.0%0.017%Search for SEC Filing on Google Icon
2/17/2026Schonfeld Strategic Advisors LLC107,068$18.84M0.1%-66.6%0.073%Search for SEC Filing on Google Icon
2/17/2026Integrated Advisors Network LLC2,104$0.37M0.0%-19.5%0.001%Search for SEC Filing on Google Icon
2/17/2026DV Equities LLC205$36K0.0%N/A0.000%Search for SEC Filing on Google Icon
2/17/2026AQR Capital Management LLC1,528,616$269.02M0.1%-14.3%1.042%Search for SEC Filing on Google Icon
2/17/2026Braidwell LP115,700$20.36M0.7%N/A0.079%Search for SEC Filing on Google Icon
2/17/2026EFG International AG2,635$0.46M0.0%N/A0.002%Search for SEC Filing on Google Icon
2/17/2026Camarda Financial Advisors LLC13,257$2.33M0.9%N/A0.009%Search for SEC Filing on Google Icon
2/17/2026Cetera Investment Advisers23,503$4.14M0.0%+12.5%0.016%Search for SEC Filing on Google Icon
2/17/2026Lazard Asset Management LLC46,123$8.12M0.0%-18.8%0.031%Search for SEC Filing on Google Icon
2/17/2026Jain Global LLC353,173$62.16M0.3%N/A0.241%Search for SEC Filing on Google Icon
2/17/2026Laird Norton Wetherby Trust Company LLC6,820$1.20M0.0%N/A0.005%Search for SEC Filing on Google Icon
2/17/2026Amundi572,429$100.74M0.0%-7.4%0.390%Search for SEC Filing on Google Icon
2/17/2026FIL Ltd319,544$56.24M0.0%+3.7%0.218%Search for SEC Filing on Google Icon
2/17/2026Jump Financial LLC5,779$1.02M0.0%-4.2%0.004%Search for SEC Filing on Google Icon
2/17/2026Laurion Capital Management LP5,033$0.89M0.0%N/A0.003%Search for SEC Filing on Google Icon
2/17/2026Northern Trust Corp1,446,126$254.50M0.0%-3.5%0.985%Search for SEC Filing on Google Icon
2/17/2026Price T Rowe Associates Inc. MD792,071$139.40M0.0%-18.0%0.540%Search for SEC Filing on Google Icon
2/17/2026T. Rowe Price Investment Management Inc.778,461$137M0.1%-27.1%0.530%Search for SEC Filing on Google Icon
2/17/2026Weiss Asset Management LP55,560$9.78M0.1%N/A0.038%Search for SEC Filing on Google Icon
2/17/2026Quantitative Investment Management LLC1,614$0.28M0.0%N/A0.001%Search for SEC Filing on Google Icon
2/17/2026Osaic Holdings Inc.14,447$2.54M0.0%+24.6%0.010%Search for SEC Filing on Google Icon
2/17/2026Integral Health Asset Management LLC100,000$17.60M0.9%N/A0.068%Search for SEC Filing on Google Icon
2/17/2026Advisory Services Network LLC1,565$0.28M0.0%-12.7%0.001%Search for SEC Filing on Google Icon
2/17/2026Adage Capital Partners GP L.L.C.294,357$51.80M0.1%-11.4%0.201%Search for SEC Filing on Google Icon
2/17/2026Mubadala Investment Co PJSC26,236$4.62M0.0%N/A0.018%Search for SEC Filing on Google Icon
2/17/2026Public Employees Retirement System of Ohio47,370$8.34M0.0%-3.4%0.032%Search for SEC Filing on Google Icon
2/17/2026California State Teachers Retirement System226,380$39.84M0.0%-3.6%0.154%Search for SEC Filing on Google Icon
2/17/2026Russell Investments Group Ltd.119,087$20.97M0.0%-15.7%0.081%Search for SEC Filing on Google Icon
2/17/2026Atom Investors LP21,720$3.82M0.3%+877.5%0.015%Search for SEC Filing on Google Icon
2/17/2026Hillman Capital Management Inc.30,516$5.37M3.4%-20.4%0.021%Search for SEC Filing on Google Icon
2/17/2026State of Wisconsin Investment Board75,944$13.37M0.0%-2.5%0.052%Search for SEC Filing on Google Icon
2/17/2026Captrust Financial Advisors17,375$3.06M0.0%+5.1%0.012%Search for SEC Filing on Google Icon
2/17/2026Fred Alger Management LLC798,774$140.58M0.5%+39,074.8%0.544%Search for SEC Filing on Google Icon
2/17/2026&PARTNERS4,285$0.83M0.0%+21.4%0.003%Search for SEC Filing on Google Icon
2/17/2026Blair William & Co. IL8,443$1.49M0.0%-39.8%0.006%Search for SEC Filing on Google Icon
2/17/2026Royal Bank of Canada541,825$95.36M0.0%+8.8%0.369%Search for SEC Filing on Google Icon
2/17/2026Persistent Asset Partners Ltd2,874$0.51M0.2%N/A0.002%Search for SEC Filing on Google Icon
2/17/2026Aster Capital Management DIFC Ltd10,487$1.85M0.8%N/A0.007%Search for SEC Filing on Google Icon
2/17/2026Rakuten Investment Management Inc.19,295$3.41M0.0%-90.3%0.013%Search for SEC Filing on Google Icon
2/16/2026OMERS ADMINISTRATION Corp16,808$2.96M0.0%+224.5%0.011%Search for SEC Filing on Google Icon
2/16/2026USS Investment Management Ltd34,216$6.02M0.0%+7.4%0.023%Search for SEC Filing on Google Icon
2/16/2026Vanguard Personalized Indexing Management LLC38,593$6.79M0.1%-0.2%0.026%Search for SEC Filing on Google Icon
Data available starting January 2016

See Full Table
Biogen logo
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.
Read More on Biogen

Today's Range

Now: $181.46
Low: $180.47
High: $183.69

50 Day Range

MA: $184.06
Low: $164.42
High: $201.18

52 Week Range

Now: $181.46
Low: $110.04
High: $202.41

Volume

2,214,191 shs

Average Volume

882,843 shs

Market Capitalization

$26.63 billion

P/E Ratio

20.60

Dividend Yield

N/A

Beta

0.15

Who are the company insiders with the largest holdings of Biogen?

Biogen's top insider shareholders include:
  1. Nicole Murphy (Insider)
  2. Stephen A Sherwin (Director)
  3. Priya Singhal (Insider)
  4. Rachid Izzar (Insider)
Learn More about top insider investors at Biogen.

Who are the major institutional investors of Biogen?

Biogen's top institutional investors include:
  1. Vanguard Group Inc. — 11.89%
  2. Primecap Management Co. CA — 10.06%
  3. State Street Corp — 4.88%
  4. Geode Capital Management LLC — 2.86%
  5. Wellington Management Group LLP — 2.42%
  6. Norges Bank — 1.80%
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:
  1. Invesco Ltd.
  2. Wellington Management Group LLP
  3. Man Group plc
  4. Renaissance Technologies LLC
  5. T. Rowe Price Investment Management Inc.
  6. Deutsche Bank AG
  7. First Trust Advisors LP
  8. AustralianSuper Pty Ltd
During the previous year, company insiders that have sold Biogen company stock include:
  1. Nicole Murphy (Insider)
  2. 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:
  1. Norges Bank
  2. Boston Partners
  3. Fred Alger Management LLC
  4. Employees Provident Fund Board
  5. HRT Financial LP
  6. Jain Global LLC
  7. Artemis Investment Management LLP
  8. Barclays PLC