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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, Q2 2023

Institutional positions in Biogen Inc. as of Jun 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
1,009
+11 vs. Q1 2023
Shares held
126.8M
−1.09M (−0.9%) vs. Q1 2023
Total value
$36.1B
+$1.11B (+3.2%) vs. Q1 2023
New holders
96
322 more added
Sold out
85
363 more reduced

6 institutions that held it in Q1 2023 haven't filed for Q2 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q1 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 holdersQ2 2023: 1,009 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 2023: $36.1B
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, Q2 2023

Shares, value and share of portfolio for each institution holding Biogen Inc.; share changes are against Q1 2023.

Institutions holding BIIB in Q2 2023
InstitutionSharesValue% of portfolioChange in sharesAction
Newbridge Financial Services Group, Inc.700$199.4K0.10%00.0%Unchanged
Apollon Wealth Management, LLC704$200.5K0.01%+704New
Intelligence Driven Advisers, LLC705$200.9K0.04%−40−5.4%Reduced
Cubist Systematic Strategies, LLC706$201.1K0.00%−1,073−60.3%Reduced
Probity Advisors, Inc.708$201.7K0.04%+708New
CX Institutional712$202.8K0.01%+712New
Marex Group plc713$203.1K0.04%−439−38.1%Reduced
Lindbrook Capital, LLC713$203.1K0.02%+14+2.0%Added
Vise Technologies, Inc.716$204.0K0.05%−19−2.6%Reduced
Relaxing Retirement Coach718$204.5K0.06%+718New
Tiemann Investment Advisors, LLC720$205.1K0.10%00.0%Unchanged
Quadrant Capital Group LLC724$206.2K0.02%−5−0.7%Reduced
Wexford Capital LP725$206.5K0.04%+725New
Harvest Fund Management Co., Ltd728$207.0K0.04%+200+37.9%Added
Fukoku Mutual Life Insurance Co730$207.9K0.02%00.0%Unchanged
Stratos Wealth Advisors, LLC731$208.2K0.01%−39−5.1%Reduced
First Horizon Advisors, Inc.738$210.2K0.01%−83−10.1%Reduced
PFG Private Wealth Management, LLC739$210.5K0.12%−130−15.0%Reduced
Lido Advisors, LLC739$210.5K0.00%+739New
Vantage Consulting Group Inc742$211.4K0.12%−193−20.6%Reduced
Syntax Advisors, LLC742$211.4K0.17%−193−20.6%Reduced
Joel Isaacson & Co., LLC744$211.9K0.01%−124−14.3%Reduced
Capital Investment Advisory Services, LLC747$212.8K0.02%−15−2.0%Reduced
Lowe Brockenbrough & Co Inc750$213.6K0.02%−4−0.5%Reduced
Tilt Investment Management Holdings, PBC751$213.9K0.14%00.0%Unchanged
Legacy Capital Group California, Inc.754$214.8K0.09%+754New
Caldwell Trust Co761$216.8K0.03%00.0%Unchanged
Kestra Private Wealth Services, LLC761$216.8K0.01%+761New
Miracle Mile Advisors, LLC769$219.1K0.01%+25+3.4%Added
Pinnacle Wealth Planning Services, Inc.771$219.6K0.04%+3+0.4%Added
Great Lakes Advisors, LLC777$221.3K0.00%+12+1.6%Added
Perigon Wealth Management, LLC787$224.2K0.01%+787New
Robinson Value Management, Ltd.793$225.9K0.16%00.0%Unchanged
Community Bank, N.A.800$227.9K0.03%00.0%Unchanged
Sigma Investment Counselors Inc800$227.9K0.02%00.0%Unchanged
PKO Investment Management Joint-Stock Co800$227.9K0.03%00.0%Unchanged
SageView Advisory Group, LLC807$229.9K0.01%+54+7.2%Added
One Wealth Advisors, LLC809$230.4K0.05%−43−5.0%Reduced
Courier Capital LLC816$232.4K0.02%−240−22.7%Reduced
HBK Sorce Advisory LLC819$233.3K0.01%−2−0.2%Reduced
Pin Oak Investment Advisors Inc820$234.0K0.26%00.0%Unchanged
First Bank & Trust825$235.0K0.06%−22−2.6%Reduced
GW Henssler & Associates Ltd826$235.3K0.02%−400−32.6%Reduced
NBT Bank N A829$236.1K0.03%+54+7.0%Added
Brown Shipley& Co Ltd834$237.6K0.10%−27−3.1%Reduced
Capital Advisors Inc837$238.4K0.01%+837New
Mirova838$238.7K0.04%−853−50.4%Reduced
ARS Wealth Advisors Group, LLC846$241.0K0.04%−764−47.5%Reduced
Avantax Advisory Services, Inc.846$241.0K0.00%−43−4.8%Reduced
Boston Private Wealth LLC855$243.5K0.00%−42−4.7%Reduced
Pekin Hardy Strauss, Inc.856$243.8K0.04%00.0%Unchanged
Richelieu Gestion PLC858$244.0K0.20%−5,953−87.4%Reduced
Integrated Advisors Network LLC862$245.5K0.01%+72+9.1%Added
Everett Harris & Co863$245.8K0.00%00.0%Unchanged
WealthTrust Axiom LLC866$246.7K0.08%00.0%Unchanged
Morningstar Investment Services LLC875$247.0K0.00%+875New
IFP Advisors, Inc833$247.5K0.01%+248+42.4%Added
LGL Partners, LLC870$247.8K0.04%00.0%Unchanged
GPS Wealth Strategies Group, LLC870$247.8K0.05%00.0%Unchanged
International Assets Investment Management, LLC876$249.5K0.03%+876New
Waddell & Associates, LLC887$252.7K0.04%00.0%Unchanged
Camden Capital, LLC897$252.8K0.03%+897New
LCM Capital Management Inc888$252.9K0.21%+7+0.8%Added
Mascoma Wealth Management LLC925$253.6K0.08%−9−1.0%Reduced
Denali Advisors LLC900$256.4K0.09%−1,503−62.5%Reduced
TCTC Holdings, LLC900$256.4K0.01%00.0%Unchanged
Narus Financial Partners, LLC900$256.4K0.13%00.0%Unchanged
STF Management LP901$256.6K0.28%−752−45.5%Reduced
Kathmere Capital Management, LLC907$258.4K0.04%+907New
Acima Private Wealth, LLC916$260.9K0.12%00.0%Unchanged
North Star Asset Management Inc920$262.1K0.01%−55−5.6%Reduced
Capula Management Ltd920$262.1K0.03%+920New
Osborne Partners Capital Management, LLC925$263.5K0.02%00.0%Unchanged
Defined Wealth Management, LLC926$263.8K0.22%+1+0.1%Added
Icon Wealth Partners, LLC927$264.1K0.03%−120−11.5%Reduced
PFG Advisors927$264.1K0.02%+32+3.6%Added
Founders Financial Alliance, LLC930$264.9K0.10%+70+8.1%Added
Benjamin F. Edwards & Company, Inc.931$265.0K0.01%00.0%Unchanged
Gitterman Wealth Management, LLC932$265.5K0.12%+39+4.4%Added
ProVise Management Group, LLC939$267.5K0.02%00.0%Unchanged
City State Bank945$269.0K0.15%+30+3.3%Added
Northern Capital Management, Inc.947$269.8K0.21%00.0%Unchanged
Sentry Investment Management LLC953$271.0K0.10%00.0%Unchanged
Institute for Wealth Management, LLC.955$272.2K0.05%+82+9.4%Added
Independent Financial Group, LLC956$272.3K0.02%00.0%Unchanged
Naples Global Advisors, LLC962$274.0K0.03%−150−13.5%Reduced
Bridgefront Capital, LLC975$277.7K0.15%+975New
Pinkerton Retirement Specialists, LLC976$278.0K0.05%−263−21.2%Reduced
Personal Cfo Solutions, LLC979$278.9K0.06%−39−3.8%Reduced
Maverick Capital LtdSuperinvestorMaverick Capital983$280.0K0.01%+983New
Baystate Wealth Management LLC983$280.2K0.02%00.0%Unchanged
Equitable Holdings, Inc.985$280.6K0.00%+985New
Penserra Capital Management LLC994$282.0K0.01%+926+1,361.8%Added
Zhang Financial LLC1,009$283.3K0.03%−169−14.3%Reduced
Twin Focus Capital Partners, LLC999$284.6K0.06%+49+5.2%Added
Empire Financial Management Company, LLC1,000$284.9K0.11%+1,000New
Calamos Wealth Management LLC1,001$285.1K0.02%+1+0.1%Added
Mason & Associates Inc1,013$288.6K0.09%00.0%Unchanged
Los Angeles Capital Management LLC1,014$288.8K0.00%−60,617−98.4%Reduced
Waters Parkerson & Co., LLC1,013$289.0K0.02%00.0%Unchanged