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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; 1,046 institutions reported holding it in 13F filings for Q2 2026, worth $30.7B in total; no superinvestor holds it.

13F holders, Q4 2023

Institutional positions in Biogen Inc. as of Dec 31, 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
1,005
+56 vs. Q3 2023
Shares held
128.7M
+4.02M (+3.2%) vs. Q3 2023
Total value
$33.3B
+$1.22B (+3.8%) vs. Q3 2023
New holders
137
287 more added
Sold out
81
373 more reduced

17 institutions that held it in Q3 2023 haven't filed for Q4 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q3 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 holdersQ4 2023: 1,005 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: 1,046 institutions
Value heldQ4 2023: $33.3B
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 20261,046$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, Q4 2023

Shares, value and share of portfolio for each institution holding Biogen Inc.; share changes are against Q3 2023.

Institutions holding BIIB in Q4 2023
InstitutionSharesValue% of portfolioChange in sharesAction
First Community Trust NA65$16.8K0.02%00.0%Unchanged
Pineridge Advisors LLC65$16.8K0.01%+65New
Proequities, Inc.66$17.1K0.00%−6−8.3%Reduced
Prestige Wealth Management Group LLC66$17.1K0.00%+15+29.4%Added
Adirondack Trust Co80$17.4K0.01%00.0%Unchanged
Venturi Wealth Management, LLC69$17.9K0.00%+4+6.2%Added
Grove Bank & Trust71$18.4K0.00%00.0%Unchanged
Pacific Center for Financial Services71$18.4K0.01%00.0%Unchanged
West Paces Advisors Inc.71$18.4K0.01%+1+1.4%Added
MV Capital Management, Inc.71$18.4K0.00%+7+10.9%Added
Rothschild Investment LLC71$18.4K0.00%+71New
Sachetta, LLC71$18.4K0.01%+71New
Private Wealth Management Group, LLC71$18.4K0.01%+71New
Versant Capital Management, Inc72$18.6K0.01%+3+4.3%Added
Turtle Creek Wealth Advisors, LLC73$18.9K0.01%+73New
First Personal Financial Services74$19.1K0.00%00.0%Unchanged
Cornerstone Planning Group LLC74$19.1K0.01%+19+34.5%Added
SYSTM Wealth Solutions LLC74$19.1K0.00%+74New
Albion Financial Group75$19.4K0.00%00.0%Unchanged
Webster Bank, N. A.75$19.4K0.00%00.0%Unchanged
Independence Bank of Kentucky75$19.4K0.01%00.0%Unchanged
Cetera Trust Company, N.A75$19.4K0.01%+75New
JFS Wealth Advisors, LLC79$20.4K0.00%00.0%Unchanged
Harbor Investment Advisory, LLC79$20.4K0.00%+12+17.9%Added
Bell Investment Advisors, Inc80$20.7K0.00%−17−17.5%Reduced
Northwest Capital Management Inc80$20.7K0.01%00.0%Unchanged
Tompkins Financial Corp81$21.0K0.00%00.0%Unchanged
Tradition Wealth Management, LLC80$21.0K0.00%+1+1.3%Added
Johnson Financial Group, Inc.85$22.0K0.00%+28+49.1%Added
Washington Trust Advisors, Inc.86$22.3K0.00%00.0%Unchanged
Covestor Ltd87$23.0K0.02%−6−6.5%Reduced
Global Financial Private Client, LLC90$23.3K0.01%−1,699−95.0%Reduced
First Manhattan Co90$23.3K0.00%−70−43.8%Reduced
Ofi Invest Asset Management103$24.1K0.00%−3−2.8%Reduced
Delta Asset Management LLC100$25.9K0.00%00.0%Unchanged
Wellington Shields & Co., LLC100$25.9K0.01%00.0%Unchanged
Focused Wealth Management, Inc100$25.9K0.00%00.0%Unchanged
Livelsberger Financial Advisory100$25.9K0.02%+100New
CKW Financial Group100$26.0K0.00%00.0%Unchanged
Smithfield Trust Co104$27.0K0.00%00.0%Unchanged
Avondale Wealth Management110$28.5K0.02%00.0%Unchanged
Sittner & Nelson, LLC110$28.5K0.02%00.0%Unchanged
Ronald Blue Trust, Inc.114$29.0K0.00%−24−17.4%Reduced
New England Capital Financial Advisors LLC113$29.2K0.02%00.0%Unchanged
Sandy Spring Bank115$29.8K0.00%00.0%Unchanged
Hexagon Capital Partners LLC118$30.5K0.01%+51+76.1%Added
Cullen/Frost Bankers, Inc.122$31.6K0.00%−150−55.1%Reduced
Founders Capital Management130$33.6K0.02%00.0%Unchanged
Long Island Wealth Management, Inc.133$34.0K0.02%+133New
CVA Family Office, LLC140$36.2K0.01%+140New
Broadwater Capital Management LLC140$36.2K0.03%+140New
Bartlett & Co. Wealth Management LLC140$36.5K0.00%00.0%Unchanged
Gladius Capital Management LP141$36.5K0.02%+32+29.4%Added
Bartlett & Co. LLC140$37.0K0.00%00.0%Unchanged
Union Savings Bank145$37.5K0.02%00.0%Unchanged
Indiana Trust & Investment Management CO145$37.5K0.02%00.0%Unchanged
Trust Co163$42.2K0.01%00.0%Unchanged
Zions Bancorporation, N.A.163$42.2K0.00%+7+4.5%Added
Centerpoint Advisors, LLC167$43.0K0.02%00.0%Unchanged
Harbour Investments, Inc.167$43.2K0.00%+107+178.3%Added
Capital Advisors, Ltd. LLC173$45.0K0.01%00.0%Unchanged
Planned Solutions, Inc.200$51.8K0.02%+200New
Asset Dedication, LLC210$54.0K0.00%00.0%Unchanged
Montag A & Associates Inc209$54.1K0.00%00.0%Unchanged
Rogco, LP209$54.1K0.02%00.0%Unchanged
First Horizon Advisors, Inc.211$54.6K0.00%−67−24.1%Reduced
Brown Shipley& Co Ltd221$57.2K0.03%−511−69.8%Reduced
City Holding Co225$58.2K0.01%00.0%Unchanged
Bogart Wealth, LLC228$59.0K0.00%00.0%Unchanged
American National Bank230$59.5K0.01%00.0%Unchanged
Gradient Investments LLC230$59.5K0.00%00.0%Unchanged
Custom Portfolio Group LLC231$59.8K0.05%+231New
GeoWealth Management, LLC233$60.0K0.00%+233New
Central Trust Co233$60.3K0.00%00.0%Unchanged
Kiely Wealth Advisory Group, Inc.247$60.6K0.04%+247New
Colonial Trust Co236$61.6K0.01%−37−13.6%Reduced
Pflug Koory, LLC238$61.6K0.03%+55+30.1%Added
Ancora Advisors, LLC241$62.4K0.00%00.0%Unchanged
Massmutual Trust Co FSB241$62.4K0.00%+10+4.3%Added
Global Retirement Partners, LLC263$64.7K0.00%+107+68.6%Added
Itau Unibanco Holding S.A.268$69.3K0.00%+59+28.2%Added
Sunbelt Securities, Inc.303$78.4K0.01%−3−1.0%Reduced
CoreFirst Bank & Trust304$78.7K0.05%00.0%Unchanged
Washington Trust Co312$80.7K0.00%00.0%Unchanged
Mirova327$84.6K0.02%−19−5.5%Reduced
Optimum Investment Advisors335$86.7K0.04%−16−4.6%Reduced
Cambridge Trust Co335$86.7K0.00%00.0%Unchanged
Quent Capital, LLC337$87.2K0.01%+49+17.0%Added
MCF Advisors LLC339$87.7K0.01%−1−0.3%Reduced
FSA Wealth Management LLC344$89.0K0.04%+344New
Geneos Wealth Management Inc.350$90.6K0.00%00.0%Unchanged
Norwood Financial Corp355$91.9K0.14%−30−7.8%Reduced
Armstrong Advisory Group, Inc356$92.1K0.01%00.0%Unchanged
Rakuten Investment Management, Inc.358$93.3K0.00%+358New
Glassman Wealth Services364$94.2K0.01%+15+4.3%Added
Jamison Private Wealth Management, Inc.365$94.5K0.02%00.0%Unchanged
FinTrust Capital Advisors, LLC379$98.1K0.02%−68−15.2%Reduced
JJJ Advisors Inc.382$98.9K0.02%+12+3.2%Added
Rosenberg Matthew Hamilton391$101.2K0.03%−22−5.3%Reduced
Thompson Siegel & Walmsley LLC393$102.0K0.00%00.0%Unchanged