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; 1,047 institutions reported holding it in 13F filings for Q2 2026, worth $30.7B in total; no superinvestor holds it.

13F holders, Q1 2024

Institutional positions in Biogen Inc. as of Mar 31, 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
955
−41 vs. Q4 2023
Shares held
129.7M
+1.13M (+0.9%) vs. Q4 2023
Total value
$28.0B
−$5.30B (−15.9%) vs. Q4 2023
New holders
105
304 more added
Sold out
146
354 more reduced

9 institutions that held it in Q4 2023 haven't filed for Q1 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q4 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 holdersQ1 2024: 955 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 heldQ1 2024: $28.0B
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, Q1 2024

Shares, value and share of portfolio for each institution holding Biogen Inc.; share changes are against Q4 2023.

Institutions holding BIIB in Q1 2024
InstitutionSharesValue% of portfolioChange in sharesAction
International Assets Investment Management, LLC1,711$367.6K0.04%−132−7.2%Reduced
Atria Wealth Solutions, Inc.1,690$364.4K0.00%−836−33.1%Reduced
Insigneo Advisory Services, LLC1,680$362.3K0.04%+393+30.5%Added
Ballentine Partners, LLC1,667$359.5K0.01%+18+1.1%Added
Western Wealth Management, LLC1,667$359.5K0.03%+136+8.9%Added
Integrated Advisors Network LLC1,666$359.2K0.02%+864+107.7%Added
Verdence Capital Advisors LLC1,665$359.0K0.03%−9−0.5%Reduced
Jacobi Capital Management LLC1,664$358.8K0.03%+55+3.4%Added
Trust Asset Management LLC1,662$358.4K0.03%00.0%Unchanged
Asahi Life Asset Management Co., Ltd.1,660$357.9K0.21%+1,660New
Teza Capital Management LLC1,654$356.7K0.05%+1,654New
Regal Investment Advisors LLC1,653$356.4K0.02%00.0%Unchanged
Wellington Shields Capital Management, LLC1,652$356.2K0.07%00.0%Unchanged
FineMark National Bank & Trust1,652$356.2K0.01%+540+48.6%Added
Edgestream Partners, L.P.1,650$355.8K0.02%+1,650New
HB Wealth Management, LLC1,645$354.7K0.00%+237+16.8%Added
Allianz SE1,630$351.5K0.01%+1,630New
Israel Discount Bank of New York1,623$350.0K0.44%−503−23.7%Reduced
Plancorp, LLC1,606$346.3K0.02%−63−3.8%Reduced
Wynn Capital, LLC1,591$343.1K0.27%−167−9.5%Reduced
Pitcairn Co1,591$343.1K0.02%−61−3.7%Reduced
Choate Investment Advisors1,580$340.7K0.01%−83−5.0%Reduced
Garda Capital Partners LP1,579$340.5K0.16%−182−10.3%Reduced
Davenport & Co LLC1,566$337.7K0.00%+280+21.8%Added
Kingswood Wealth Advisors, LLC1,559$336.2K0.04%+1,559New
Weiss Asset Management LP1,554$335.1K0.02%+1,554New
Parkside Financial Bank & Trust1,551$334.4K0.05%−6−0.4%Reduced
Meeder Advisory Services, Inc.1,529$329.7K0.03%−159−9.4%Reduced
Cigna Investments Inc1,524$329.0K0.06%−20−1.3%Reduced
Analyst IMS Investment Management Services Ltd.1,527$329.0K0.01%+39+2.6%Added
Evergreen Wealth Solutions, LLC1,522$328.2K0.24%−272−15.2%Reduced
David Loasby1,583$326.9K0.03%+102+6.9%Added
Clearstead Advisors, LLC1,441$324.7K0.02%−387−21.2%Reduced
Supplemental Annuity Collective Trust of NJ1,500$323.4K0.10%00.0%Unchanged
Wesbanco Bank Inc1,488$320.9K0.01%+1,488New
Virtus ETF Advisers LLC1,486$320.4K0.17%+214+16.8%Added
Greenleaf Trust1,471$317.2K0.00%−684−31.7%Reduced
AIA Group Ltd1,464$315.7K0.01%−99−6.3%Reduced
Deseret Mutual Benefit Administrators1,445$311.6K0.16%+143+11.0%Added
Bank Pictet & Cie (Asia) Ltd1,444$311.4K0.17%−3,639−71.6%Reduced
Cornell Pochily Investment Advisors, Inc.1,441$310.7K0.12%−105−6.8%Reduced
Norden Group LLC1,440$310.5K0.06%+290+25.2%Added
Weik Capital Management1,440$310.5K0.13%+180+14.3%Added
Morningstar Investment Services LLC1,427$309.0K0.00%−429−23.1%Reduced
Moloney Securities Asset Management, LLC1,397$301.2K0.05%+1,397New
Argent Trust Co1,392$300.2K0.01%+444+46.8%Added
ISAM Funds (UK) Ltd1,389$299.5K0.17%+1,389New
Flagship Harbor Advisors, LLC1,378$297.1K0.02%−253−15.5%Reduced
Chicago Partners Investment Group LLC1,525$294.6K0.01%−85−5.3%Reduced
Spirepoint Private Client, LLC1,349$290.9K0.04%+1,349New
Nwam LLC1,324$289.9K0.02%+78+6.3%Added
Epoch Investment Partners, Inc.1,339$288.7K0.00%−275,885−99.5%Reduced
Dynamic Advisor Solutions LLC1,331$287.0K0.01%−3,519−72.6%Reduced
Valeo Financial Advisors, LLC1,412$285.2K0.01%+489+53.0%Added
Ameritas Advisory Services, LLC1,322$284.0K0.01%−164−11.0%Reduced
Symmetry Partners, LLC1,293$279.0K0.02%00.0%Unchanged
Dynamic Technology Lab Private Ltd1,294$279.0K0.03%+470+57.0%Added
Parkwood LLC1,264$273.0K0.03%+78+6.6%Added
Boltwood Capital Management1,260$271.7K0.08%+13+1.0%Added
Marex Group plc1,254$270.4K0.01%−182−12.7%Reduced
Resources Investment Advisors, LLC.1,252$270.0K0.00%−431−25.6%Reduced
Mather Group, LLC.1,042$269.6K0.00%−6−0.6%Reduced
Equitable Holdings, Inc.1,213$261.6K0.00%+124+11.4%Added
Snowden Capital Advisors LLC1,201$259.0K0.01%+61+5.4%Added
Grandfield & Dodd, LLC1,199$258.5K0.02%00.0%Unchanged
Personal Cfo Solutions, LLC1,179$254.2K0.04%+155+15.1%Added
Bell Bank1,175$253.4K0.02%00.0%Unchanged
Hara Capital LLC1,174$253.2K0.15%00.0%Unchanged
Culbertson A N & Co Inc1,165$251.2K0.04%00.0%Unchanged
Lincoln National Corp1,157$249.5K0.00%−55−4.5%Reduced
Boston Private Wealth LLC1,155$249.1K0.01%−19−1.6%Reduced
Independent Financial Group, LLC1,131$243.9K0.01%+225+24.8%Added
Tradewinds, LLC.1,128$243.2K0.22%+1,128New
Waters Parkerson & Co., LLC1,113$240.0K0.01%+100+9.9%Added
Alta Wealth Advisors LLC1,103$237.8K0.12%−112−9.2%Reduced
Cidel Asset Management Inc1,102$237.6K0.02%+66+6.4%Added
Advisors Capital Management, LLC1,101$237.0K0.00%−146−11.7%Reduced
Marcum Wealth, LLC1,099$237.0K0.02%−96−8.0%Reduced
McIntyre Freedman & Flynn Investment Advisers Inc1,089$234.8K0.17%−50−4.4%Reduced
Conning Inc.1,073$231.4K0.01%00.0%Unchanged
MAI Capital Management1,072$231.2K0.00%+126+13.3%Added
JNBA Financial Advisors1,071$230.9K0.02%−201−15.8%Reduced
Sompo Asset Management Co., Ltd.1,070$230.7K0.04%+1,070New
Fort Sheridan Advisors LLC1,070$230.7K0.04%+1,070New
Vantage Consulting Group Inc1,065$229.6K0.15%+86+8.8%Added
Financial Partners Group, LLC1,048$226.0K0.09%+1,048New
Legacy Capital Group California, Inc.1,041$224.5K0.08%+65+6.7%Added
Reuter James Wealth Management, LLC1,035$223.2K0.15%−53−4.9%Reduced
NorthRock Partners, LLC1,035$223.2K0.01%−15−1.4%Reduced
Investors Asset Management of Georgia Inc1,032$222.5K0.10%00.0%Unchanged
Mason & Associates Inc1,028$221.7K0.06%00.0%Unchanged
Empirical Asset Management, LLC1,025$221.0K0.11%−290−22.1%Reduced
Jupiter Wealth Management LLC1,000$219.7K0.12%−1,050−51.2%Reduced
Moors & Cabot, Inc.1,015$218.9K0.01%+73+7.7%Added
Oxford Asset Management LLP1,008$217.4K0.23%+1,008New
Calamos Wealth Management LLC1,001$215.8K0.01%00.0%Unchanged
Herold Advisors, Inc.993$214.1K0.05%+118+13.5%Added
Waldron Private Wealth LLC983$212.0K0.01%−28−2.8%Reduced
Aviance Capital Partners, LLC970$209.2K0.03%−60−5.8%Reduced
A. D. Beadell Investment Counsel, Inc.970$209.0K0.18%00.0%Unchanged