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Livermore
ZHEN

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, Q3 2024

Institutional positions in Biogen Inc. as of Sep 30, 2024. 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
921
−17 vs. Q2 2024
Shares held
129.8M
+15.4M (+13.4%) vs. Q2 2024
Total value
$25.1B
−$1.44B (−5.4%) vs. Q2 2024
New holders
101
269 more added
Sold out
118
378 more reduced

9 institutions that held it in Q2 2024 haven't filed for Q3 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q2 2024: 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 2024: 921 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 heldQ3 2024: $25.1B
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, Q3 2024

Shares, value and share of portfolio for each institution holding Biogen Inc.; share changes are against Q2 2024.

Institutions holding BIIB in Q3 2024
InstitutionSharesValue% of portfolioChange in sharesAction
E Fund Management (Hong Kong) Co., Ltd.1$00.00%00.0%Unchanged
McClarren Financial Advisors, Inc.2$00.00%−229−99.1%Reduced
Dogwood Wealth Management LLC0$30.00%0Unchanged
Pacific Center for Financial Services0$80.00%0Unchanged
American Capital Advisory, LLC0$120.00%0Unchanged
HM Payson & Co1$1940.00%+1New
Carolinas Wealth Consulting LLC2$3880.00%−3−60.0%Reduced
NVWM, LLC2$3880.00%−2−50.0%Reduced
WestEnd Advisors, LLC2$3880.00%00.0%Unchanged
Colonial Trust Co2$3890.00%+2New
ClariVest Asset Management LLC2$4570.00%00.0%Unchanged
TFC Financial Management3$5820.00%−4−57.1%Reduced
True Wealth Design, LLC4$7760.00%00.0%Unchanged
Voisard Asset Management Group, Inc.4$7760.00%+4New
Continuum Advisory, LLC5$8240.00%+1+25.0%Added
Atwood & Palmer Inc5$9700.00%−3−37.5%Reduced
Evermay Wealth Management LLC5$9700.00%00.0%Unchanged
Coppell Advisory Solutions LLC5$9730.00%00.0%Unchanged
Fairman Group, LLC6$1.16K0.00%00.0%Unchanged
Trifecta Capital Advisors, LLC6$1.16K0.00%00.0%Unchanged
Proequities, Inc.7$1.36K0.00%−15−68.2%Reduced
Cape Investment Advisory, Inc.7$1.36K0.00%00.0%Unchanged
Park Place Capital Corp7$1.36K0.00%00.0%Unchanged
Cranbrook Wealth Management, LLC7$1.36K0.00%+7New
WR Wealth Planners, LLC8$1.55K0.00%−372−97.9%Reduced
Aspire Private Capital, LLC8$1.55K0.00%00.0%Unchanged
Valued Wealth Advisors LLC8$1.55K0.00%00.0%Unchanged
Cornerstone Planning Group LLC9$1.65K0.00%−19−67.9%Reduced
Golden State Equity Partners9$1.74K0.00%+9New
Aspect Partners, LLC9$1.75K0.00%00.0%Unchanged
Northwest Financial Advisors9$1.75K0.00%+9New
Byrne Asset Management LLC10$1.94K0.00%00.0%Unchanged
Strategic Investment Solutions, Inc.10$1.94K0.00%00.0%Unchanged
Penserra Capital Management LLC12$2.00K0.00%00.0%Unchanged
Avion Wealth12$2.00K0.00%−4−25.0%Reduced
Claris Advisors, LLC11$2.13K0.00%+11New
SOA Wealth Advisors, LLC.12$2.33K0.00%−3−20.0%Reduced
Fortitude Family Office, LLC12$2.33K0.00%00.0%Unchanged
Old Second National Bank of Aurora13$2.52K0.00%00.0%Unchanged
Hollencrest Capital Management13$2.52K0.00%00.0%Unchanged
Kozak & Associates, Inc.14$2.65K0.00%00.0%Unchanged
Fortis Group Advisors, LLC15$2.91K0.00%00.0%Unchanged
CarsonAllaria Wealth Management, Ltd.15$2.91K0.00%+15New
Winch Advisory Services, LLC16$3.10K0.00%00.0%Unchanged
Darwin Advisors, LLC16$3.10K0.00%+16New
DHJJ Financial Advisors, Ltd.18$3.49K0.00%−5−21.7%Reduced
Rogco, LP19$3.68K0.00%00.0%Unchanged
Crewe Advisors LLC20$3.88K0.00%00.0%Unchanged
First United Bank Trust20$3.88K0.00%00.0%Unchanged
Operose Advisors LLC20$3.88K0.00%00.0%Unchanged
Capital Performance Advisors LLP20$3.88K0.00%+20New
Abound Wealth Management21$4.07K0.00%00.0%Unchanged
LRI Investments, LLC25$4.12K0.00%−73−74.5%Reduced
Larson Financial Group LLC22$4.26K0.00%−464−95.5%Reduced
Sugarloaf Wealth Management, LLC22$4.26K0.00%00.0%Unchanged
WealthCollab, LLC22$4.26K0.00%00.0%Unchanged
Annapolis Financial Services, LLC22$4.26K0.00%+22New
Raffa Wealth Management, LLC25$4.85K0.00%00.0%Unchanged
Householder Group Estate & Retirement Specialist, LLC28$5.00K0.00%00.0%Unchanged
Zions Bancorporation, N.A.26$5.04K0.00%−75−74.3%Reduced
Ancora Advisors, LLC26$5.04K0.00%−19−42.2%Reduced
Eagle Bay Advisors LLC26$5.04K0.00%00.0%Unchanged
Bangor Savings Bank28$5.43K0.00%00.0%Unchanged
Red Tortoise LLC28$5.43K0.00%00.0%Unchanged
Assetmark, Inc29$5.62K0.00%−448−93.9%Reduced
Tower View Investment Management & Research LLC29$5.62K0.00%00.0%Unchanged
Barrett & Company, Inc.30$5.82K0.00%00.0%Unchanged
Peoples Bank30$5.82K0.00%00.0%Unchanged
Dynamic Wealth Strategies, LLC33$6.00K0.00%00.0%Unchanged
Financial Management Professionals, Inc.31$6.00K0.00%+20+181.8%Added
AllSquare Wealth Management LLC33$6.40K0.00%00.0%Unchanged
Caldwell Sutter Capital, Inc.34$6.59K0.00%00.0%Unchanged
Concord Wealth Partners36$6.98K0.00%−88−71.0%Reduced
Truvestments Capital LLC36$6.98K0.00%+36New
Hazlett, Burt & Watson, Inc.37$7.00K0.00%+37New
Bruce G. Allen Investments, LLC37$7.17K0.01%−19−33.9%Reduced
Plante Moran Financial Advisors, LLC37$7.17K0.00%+20+117.6%Added
Prestige Wealth Management Group LLC39$7.56K0.00%−14−26.4%Reduced
Bank Julius Baer & Co. Ltd, Zurich34$7.73K0.00%−819−96.0%Reduced
Tortoise Investment Management, LLC40$7.75K0.00%00.0%Unchanged
Anchor Investment Management, LLC40$7.75K0.00%00.0%Unchanged
Coastline Trust Co40$7.75K0.00%+40New
McIlrath & Eck, LLC43$8.27K0.00%00.0%Unchanged
Hexagon Capital Partners LLC44$8.53K0.00%−1−2.2%Reduced
Rosenberg Matthew Hamilton44$8.53K0.00%00.0%Unchanged
DiNuzzo Private Wealth, Inc.44$8.53K0.00%+30+214.3%Added
West Oak Capital, LLC45$8.70K0.00%−1−2.2%Reduced
Indiana Trust & Investment Management CO45$8.72K0.00%−20−30.8%Reduced
Rakuten Securities, Inc.45$8.72K0.00%−5−10.0%Reduced
Pinnacle Bancorp, Inc.45$8.72K0.00%00.0%Unchanged
Wolff Wiese Magana LLC45$8.72K0.01%+43+2,150.0%Added
SJS Investment Consulting Inc.46$8.92K0.00%+37+411.1%Added
Johnson Financial Group, Inc.47$9.11K0.00%+8+20.5%Added
Brown Shipley& Co Ltd48$9.30K0.00%−52−52.0%Reduced
Cullen/Frost Bankers, Inc.50$9.69K0.00%−50−50.0%Reduced
Tradewinds Capital Management, LLC50$9.69K0.00%00.0%Unchanged
Financial Freedom, LLC50$9.69K0.01%00.0%Unchanged
JFS Wealth Advisors, LLC51$9.89K0.00%−7−12.1%Reduced
GW&K Investment Management, LLC53$10.0K0.00%+3+6.0%Added
Roble, Belko & Company, Inc50$10.0K0.00%00.0%Unchanged