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Biogen Inc.

BIIB
Exchange
Nasdaq
Industry
Biological Products, (No Diagnostic Substances)
SEC CIK
0000875045

In the last 90 days, Biogen Inc. insiders filed 0 open-market purchases and 1 sale; 1,047 institutions reported holding it in 13F filings for Q2 2026, worth $30.7B in total; no superinvestor holds it.

13F holders, Q3 2023

Institutional positions in Biogen Inc. as of Sep 30, 2023. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works

Institutional holders
966
−27 vs. Q2 2023
Shares held
125.0M
−292.7K (−0.2%) vs. Q2 2023
Total value
$32.2B
−$3.51B (−9.8%) vs. Q2 2023
New holders
91
333 more added
Sold out
118
346 more reduced

16 institutions that held it in Q2 2023 haven't filed for Q3 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q2 2023: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting BIIB on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.

Institutional holdersQ3 2023: 966 institutions
Q1 2021: 1,096 institutionsQ2 2021: 1,107 institutionsQ3 2021: 1,044 institutionsQ4 2021: 1,014 institutionsQ1 2022: 954 institutionsQ2 2022: 930 institutionsQ3 2022: 987 institutionsQ4 2022: 1,033 institutionsQ1 2023: 1,004 institutionsQ2 2023: 1,009 institutionsQ3 2023: 966 institutionsQ4 2023: 1,005 institutionsQ1 2024: 955 institutionsQ2 2024: 947 institutionsQ3 2024: 921 institutionsQ4 2024: 879 institutionsQ1 2025: 882 institutionsQ2 2025: 867 institutionsQ3 2025: 909 institutionsQ4 2025: 1,002 institutionsQ1 2026: 1,015 institutionsQ2 2026: 1,047 institutions
Value heldQ3 2023: $32.2B
Q1 2021: $35.7BQ2 2021: $43.6BQ3 2021: $35.1BQ4 2021: $29.7BQ1 2022: $25.9BQ2 2022: $25.0BQ3 2022: $33.0BQ4 2022: $34.6BQ1 2023: $35.0BQ2 2023: $36.1BQ3 2023: $32.2BQ4 2023: $33.3BQ1 2024: $28.0BQ2 2024: $29.9BQ3 2024: $25.1BQ4 2024: $20.2BQ1 2025: $17.7BQ2 2025: $16.3BQ3 2025: $18.4BQ4 2025: $24.6BQ1 2026: $24.7BQ2 2026: $30.7B
Institutions holding BIIB and their total value by quarter
QuarterHoldersValue
Q2 20261,047$30.7B
Q1 20261,015$24.7B
Q4 20251,002$24.6B
Q3 2025909$18.4B
Q2 2025867$16.3B
Q1 2025882$17.7B
Q4 2024879$20.2B
Q3 2024921$25.1B
Q2 2024947$29.9B
Q1 2024955$28.0B
Q4 20231,005$33.3B
Q3 2023966$32.2B
Q2 20231,009$36.1B
Q1 20231,004$35.0B
Q4 20221,033$34.6B
Q3 2022987$33.0B
Q2 2022930$25.0B
Q1 2022954$25.9B
Q4 20211,014$29.7B
Q3 20211,044$35.1B
Q2 20211,107$43.6B
Q1 20211,096$35.7B

Institutions, Q3 2023

Shares, value and share of portfolio for each institution holding Biogen Inc.; share changes are against Q2 2023.

Institutions holding BIIB in Q3 2023
InstitutionSharesValue% of portfolioChange in sharesAction
International Assets Investment Management, LLC1,921$494.7K0.07%+1,045+119.3%Added
Brevan Howard Capital Management LP1,928$495.5K0.15%+1,928New
Alliance Wealth Advisors, LLC1,929$495.7K0.18%+16+0.8%Added
Legacy Wealth Asset Management, LLC1,931$496.3K0.18%+32+1.7%Added
David Loasby1,930$496.3K0.05%+541+38.9%Added
Parallel Advisors, LLC1,934$497.1K0.02%−99−4.9%Reduced
Alta Wealth Advisors LLC1,935$497.3K0.30%+125+6.9%Added
Regions Financial Corp1,939$498.3K0.00%−249−11.4%Reduced
Coldstream Capital Management Inc1,949$500.9K0.02%−241−11.0%Reduced
Cary Street Partner Investment Advisory LLC1,955$502.5K0.03%+45+2.4%Added
Heritage Wealth Advisors2,000$514.0K0.03%00.0%Unchanged
PKO Investment Management Joint-Stock Co2,000$514.0K0.07%+1,200+150.0%Added
Vinva Investment Management Ltd1,997$514.9K0.05%−2,817−58.5%Reduced
Capital Investment Advisors, LLC2,005$515.3K0.01%+12+0.6%Added
Centiva Capital, LP2,013$517.4K0.03%+2,013New
Bleakley Financial Group, LLC2,021$519.4K0.02%−638−24.0%Reduced
Sawtooth Solutions, LLC2,021$519.4K0.02%−623−23.6%Reduced
V-Square Quantitative Management LLC2,022$519.7K0.23%+816+67.7%Added
Avestar Capital, LLC2,032$522.2K0.08%+24+1.2%Added
Estabrook Capital Management2,033$522.5K0.09%00.0%Unchanged
Sequoia Financial Advisors, LLC2,043$525.1K0.01%+45+2.3%Added
Winton Group Ltd2,063$530.2K0.04%+577+38.8%Added
Ropes Wealth Advisors LLC2,068$531.5K0.10%−20−1.0%Reduced
Fund Management at Engine No. 1 LLC2,071$532.3K0.08%+186+9.9%Added
Central Bank & Trust Co2,072$532.5K0.09%−276−11.8%Reduced
Campbell & CO Investment Adviser LLC2,093$537.9K0.06%−537−20.4%Reduced
Evergreen Wealth Solutions, LLC2,097$539.0K0.54%−105−4.8%Reduced
Westside Investment Management, Inc.2,104$540.7K0.16%+10+0.5%Added
Berkshire Asset Management LLC2,110$542.3K0.03%−94−4.3%Reduced
Connectus Wealth, LLC2,114$543.3K0.01%+250+13.4%Added
Flputnam Investment Management Co2,116$543.8K0.02%−2−0.1%Reduced
XTX Topco Ltd2,119$544.6K0.09%−265−11.1%Reduced
Eqis Capital Management, Inc.2,127$546.8K0.07%−246−10.4%Reduced
Meiji Yasuda Asset Management Co Ltd.2,136$549.0K0.03%+210+10.9%Added
Jupiter Wealth Management LLC2,450$550.7K0.36%−450−15.5%Reduced
Lloyd Advisory Services, LLC.2,146$551.5K0.18%+2,146New
Norden Group LLC2,146$551.5K0.18%+2,146New
Evercore Wealth Management, LLC2,160$555.1K0.01%00.0%Unchanged
Navellier & Associates Inc2,164$556.2K0.10%+2,164New
Hancock Whitney Corp2,168$557.2K0.02%−51−2.3%Reduced
Auxano Advisors, LLC2,176$559.3K0.23%+7+0.3%Added
Kennedy Investment Group2,181$560.5K0.34%−35−1.6%Reduced
Signaturefd, LLC2,206$567.0K0.01%−349−13.7%Reduced
Israel Discount Bank of New York2,210$568.0K0.47%+19+0.9%Added
Savant Capital, LLC2,213$568.8K0.01%+616+38.6%Added
Wahed Invest LLC2,259$580.6K0.19%+195+9.4%Added
Trust Co of Vermont2,268$582.9K0.04%+12+0.5%Added
Fayez Sarofim & Co2,300$591.1K0.00%00.0%Unchanged
Vanguard Capital Wealth Advisors2,300$591.1K0.55%00.0%Unchanged
Cerity Partners LLC2,318$595.8K0.00%−768−24.9%Reduced
Integrated Wealth Concepts LLC2,329$598.6K0.01%+682+41.4%Added
Cubist Systematic Strategies, LLC2,344$602.4K0.01%+1,638+232.0%Added
STF Management LP2,369$608.9K0.32%+1,468+162.9%Added
Wealthspire Advisors, LLC2,369$608.9K0.01%+2,369New
Kapitalo Investimentos Ltda2,379$611.4K0.08%+698+41.5%Added
Arden Trust Co2,385$613.0K0.10%+6+0.3%Added
Pictet & Cie (Europe) SA2,396$615.8K0.02%−910−27.5%Reduced
Triangle Securities Wealth Management2,400$616.8K0.22%−100−4.0%Reduced
Burney Co2,401$617.1K0.03%+920+62.1%Added
Oracle Investment Management Inc2,412$619.9K0.95%00.0%Unchanged
BancorpSouth Bank2,417$621.2K0.05%00.0%Unchanged
Wrapmanager Inc2,432$625.0K0.20%−140−5.4%Reduced
Tevis Investment Management2,440$627.1K0.64%−9−0.4%Reduced
TFB Advisors LLC2,444$628.1K0.76%+2+0.1%Added
MMBG Investment Advisors Co.2,450$629.7K0.08%00.0%Unchanged
Pallas Capital Advisors LLC2,677$635.0K0.04%−183−6.4%Reduced
Callan Capital, LLC2,489$639.7K0.07%−151−5.7%Reduced
Horizon Investments, LLC2,499$642.3K0.02%−26−1.0%Reduced
NJ State Employees Deferred Compensation Plan2,500$642.5K0.10%00.0%Unchanged
Moody Aldrich Partners LLC2,530$650.2K0.12%+2,530New
Atria Wealth Solutions, Inc.2,584$664.1K0.01%−425−14.1%Reduced
Huntington National Bank2,622$673.9K0.01%−6−0.2%Reduced
ARGA Investment Management, LP2,622$673.9K0.03%00.0%Unchanged
Eagle Global Advisors LLC2,625$674.7K0.04%00.0%Unchanged
Kestra Advisory Services, LLC2,658$683.1K0.01%−371−12.2%Reduced
Westwood Holdings Group Inc.2,683$690.0K0.01%−110−3.9%Reduced
Wetherby Asset Management Inc2,685$690.1K0.04%+51+1.9%Added
Credit Agricole S A2,690$691.4K0.02%+60+2.3%Added
CIBC Private Wealth Group, LLC2,699$693.6K0.00%+2,699New
Raymond James Trust N.A.2,702$694.4K0.02%+47+1.8%Added
Trust Co of Toledo NA2,740$704.2K0.14%−238−8.0%Reduced
Stonegate Investment Group, LLC2,741$704.5K0.03%+115+4.4%Added
Nicolet Bankshares Inc2,751$707.0K0.22%−1,310−32.3%Reduced
Basepoint Wealth LLC2,780$714.4K0.58%−24−0.9%Reduced
Focus Financial Network, Inc.2,795$718.3K0.04%−15−0.5%Reduced
Fiduciary Trust Co2,814$723.2K0.01%00.0%Unchanged
D.A. Davidson & Co.2,825$726.1K0.01%+583+26.0%Added
Park Avenue Securities LLC2,832$728.0K0.01%+2,832New
Knights of Columbus Asset Advisors LLC2,860$735.0K0.07%+2,860New
Fernwood Investment Management, LLC2,880$740.2K0.27%−200−6.5%Reduced
FDx Advisors, Inc.2,918$750.0K0.06%+1,186+68.5%Added
KCM Investment Advisors LLC2,919$750.2K0.03%00.0%Unchanged
Tokio Marine Asset Management Co Ltd2,943$756.4K0.05%00.0%Unchanged
GHP Investment Advisors, Inc.2,894$759.0K0.05%+150+5.5%Added
Peapack Gladstone Financial Corp2,956$759.0K0.01%−190−6.0%Reduced
Aquila Investment Management LLC3,000$771.0K0.71%00.0%Unchanged
Mutual Advisors, LLC3,021$776.4K0.03%−648−17.7%Reduced
Forum Financial Management, LP3,043$782.1K0.02%+10.0%Added
United Bank3,049$783.6K0.47%+577+23.3%Added
Cim Investment Mangement Inc3,076$790.6K0.29%−72−2.3%Reduced