Skip to main content
Livermore
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, Q2 2024

Institutional positions in Biogen Inc. as of Jun 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
947
+5 vs. Q1 2024
Shares held
129.0M
−367.1K (−0.3%) vs. Q1 2024
Total value
$29.9B
+$2.00B (+7.2%) vs. Q1 2024
New holders
101
322 more added
Sold out
96
338 more reduced

13 institutions that held it in Q1 2024 haven't filed for Q2 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q1 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 holdersQ2 2024: 947 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 heldQ2 2024: $29.9B
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, Q2 2024

Shares, value and share of portfolio for each institution holding Biogen Inc.; share changes are against Q1 2024.

Institutions holding BIIB in Q2 2024
InstitutionSharesValue% of portfolioChange in sharesAction
McClarren Financial Advisors, Inc.231$00.00%+229+11,450.0%Added
E Fund Management (Hong Kong) Co., Ltd.1$00.00%+1New
Dogwood Wealth Management LLC0$40.00%0Unchanged
Pacific Center for Financial Services0$90.00%−71−100.0%Reduced
American Capital Advisory, LLC0$160.00%0Unchanged
ClariVest Asset Management LLC2$4570.00%+2New
Wolff Wiese Magana LLC2$4640.00%00.0%Unchanged
WestEnd Advisors, LLC2$4640.00%00.0%Unchanged
Wetzel Investment Advisors, Inc.4$8630.00%00.0%Unchanged
Continuum Advisory, LLC4$9270.00%00.0%Unchanged
NVWM, LLC4$9270.00%+3+300.0%Added
True Wealth Design, LLC4$9280.00%−1−20.0%Reduced
Frazier Financial Advisors, LLC4$9280.00%+4New
Coppell Advisory Solutions LLC5$1.16K0.00%+5New
Evermay Wealth Management LLC5$1.16K0.00%00.0%Unchanged
Carolinas Wealth Consulting LLC5$1.16K0.00%00.0%Unchanged
RFP Financial Group LLC6$1.39K0.00%−4−40.0%Reduced
USA Financial Portformulas Corp6$1.39K0.00%00.0%Unchanged
Fairman Group, LLC6$1.39K0.00%00.0%Unchanged
Trifecta Capital Advisors, LLC6$1.39K0.00%+6New
Triad Wealth Partners, LLC6$1.39K0.00%+6New
Cape Investment Advisory, Inc.7$1.62K0.00%00.0%Unchanged
Park Place Capital Corp7$1.62K0.00%00.0%Unchanged
TFC Financial Management7$1.62K0.00%+3+75.0%Added
Atwood & Palmer Inc8$1.74K0.00%00.0%Unchanged
Valued Wealth Advisors LLC8$1.85K0.00%−7−46.7%Reduced
Aspire Private Capital, LLC8$1.85K0.00%00.0%Unchanged
Aspect Partners, LLC9$2.09K0.00%00.0%Unchanged
Quarry LP9$2.09K0.00%+9New
SJS Investment Consulting Inc.9$2.09K0.00%−7−43.8%Reduced
Strategic Investment Solutions, Inc.10$2.13K0.00%+10New
Byrne Asset Management LLC10$2.29K0.00%00.0%Unchanged
Planning Capital Management Corp11$2.55K0.00%00.0%Unchanged
First Command Advisory Services, Inc.12$2.78K0.00%+12New
Ruedi Wealth Management, Inc.12$2.78K0.00%+12New
Fortitude Family Office, LLC12$2.78K0.00%+12New
Penserra Capital Management LLC12$3.00K0.00%00.0%Unchanged
Financial Management Professionals, Inc.11$3.00K0.00%+5+83.3%Added
Avion Wealth16$3.00K0.00%+14+700.0%Added
Hollencrest Capital Management13$3.01K0.00%00.0%Unchanged
Old Second National Bank of Aurora13$3.01K0.00%+13New
Kozak & Associates, Inc.14$3.15K0.00%00.0%Unchanged
DiNuzzo Private Wealth, Inc.14$3.25K0.00%+1+7.7%Added
SOA Wealth Advisors, LLC.15$3.48K0.00%−1−6.3%Reduced
Fortis Group Advisors, LLC15$3.48K0.00%00.0%Unchanged
McMahon Financial Advisors, LLC15$3.48K0.00%+15New
Winch Advisory Services, LLC16$3.71K0.00%00.0%Unchanged
Plante Moran Financial Advisors, LLC17$3.94K0.00%00.0%Unchanged
Clear Street Markets LLC19$4.00K0.00%−781−97.6%Reduced
Rogco, LP19$4.41K0.00%−190−90.9%Reduced
First United Bank Trust20$4.64K0.00%00.0%Unchanged
Operose Advisors LLC20$4.64K0.00%00.0%Unchanged
SRS Capital Advisors, Inc.20$4.64K0.00%−5−20.0%Reduced
Crewe Advisors LLC20$4.64K0.00%00.0%Unchanged
Abound Wealth Management21$4.87K0.00%−2−8.7%Reduced
Proequities, Inc.22$5.10K0.00%−3−12.0%Reduced
Sugarloaf Wealth Management, LLC22$5.10K0.00%00.0%Unchanged
WealthCollab, LLC22$5.10K0.00%−7−24.1%Reduced
DHJJ Financial Advisors, Ltd.23$5.33K0.00%−1−4.2%Reduced
Cornerstone Planning Group LLC28$5.55K0.00%+12+75.0%Added
Raffa Wealth Management, LLC25$5.80K0.00%00.0%Unchanged
Householder Group Estate & Retirement Specialist, LLC28$6.00K0.00%00.0%Unchanged
Eagle Bay Advisors LLC26$6.03K0.00%00.0%Unchanged
Bangor Savings Bank28$6.49K0.00%00.0%Unchanged
Castleview Partners, LLC28$6.49K0.00%+5+21.7%Added
Red Tortoise LLC28$6.49K0.00%+28New
Tower View Investment Management & Research LLC29$6.72K0.00%00.0%Unchanged
Peoples Bank30$6.95K0.01%00.0%Unchanged
Barrett & Company, Inc.30$6.96K0.00%00.0%Unchanged
Hartford Financial Management Inc.30$6.96K0.00%+30New
Valley National Advisers Inc33$7.00K0.00%+20+153.8%Added
AllSquare Wealth Management LLC33$7.65K0.00%00.0%Unchanged
Caldwell Sutter Capital, Inc.34$7.88K0.00%00.0%Unchanged
Dynamic Wealth Strategies, LLC33$8.00K0.01%00.0%Unchanged
Exchange Traded Concepts, LLC36$8.35K0.00%−254−87.6%Reduced
Johnson Financial Group, Inc.39$9.04K0.00%00.0%Unchanged
Anchor Investment Management, LLC40$9.27K0.00%−5−11.1%Reduced
Tortoise Investment Management, LLC40$9.27K0.00%00.0%Unchanged
AdvisorNet Financial, Inc40$9.27K0.00%+16+66.7%Added
Great Lakes Retirement, Inc.41$9.51K0.00%+41New
McIlrath & Eck, LLC43$9.89K0.00%−6−12.2%Reduced
Rosenberg Matthew Hamilton44$10.2K0.00%−347−88.7%Reduced
Ancora Advisors, LLC45$10.4K0.00%−35−43.8%Reduced
Hexagon Capital Partners LLC45$10.4K0.00%−6−11.8%Reduced
Pinnacle Bancorp, Inc.45$10.4K0.00%00.0%Unchanged
West Oak Capital, LLC46$10.7K0.00%00.0%Unchanged
Plato Investment Management Ltd50$11.6K0.00%−67−57.3%Reduced
Rakuten Securities, Inc.50$11.6K0.00%−9−15.3%Reduced
Tradewinds Capital Management, LLC50$11.6K0.00%00.0%Unchanged
Financial Freedom, LLC50$11.6K0.01%00.0%Unchanged
Chesapeake Asset Management LLC50$11.6K0.01%00.0%Unchanged
GW&K Investment Management, LLC50$12.0K0.00%−4−7.4%Reduced
Roble, Belko & Company, Inc50$12.0K0.00%00.0%Unchanged
Stephenson National Bank & Trust52$12.1K0.00%+4+8.3%Added
Prestige Wealth Management Group LLC53$12.3K0.00%−10−15.9%Reduced
Bruce G. Allen Investments, LLC56$13.0K0.01%+29+107.4%Added
JFS Wealth Advisors, LLC58$13.4K0.00%−5−7.9%Reduced
ZRC Wealth Management, LLC58$13.4K0.01%00.0%Unchanged
Family Firm, Inc.62$14.4K0.00%+62New
First Community Trust NA65$15.1K0.01%00.0%Unchanged