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
Institutional & Family Asset Management, LLC420$90.6K0.01%−11−2.6%Reduced
Quadrant Capital Group LLC426$91.9K0.01%−276−39.3%Reduced
Armstrong Advisory Group, Inc356$92.1K0.01%00.0%Unchanged
Livforsakringsbolaget Skandia, Omsesidigt430$92.7K0.01%00.0%Unchanged
Richardson Financial Services Inc.437$94.2K0.07%00.0%Unchanged
Roberts Capital Advisors, LLC438$94.4K0.09%+438New
Paradigm Asset Management Co LLC455$98.1K0.02%00.0%Unchanged
Gilliland Jeter Wealth Management LLC460$99.2K0.03%+460New
Horizon Bancorp Inc464$100.0K0.05%+25+5.7%Added
Rowland & Co Investment Counsel479$103.3K0.02%−65−11.9%Reduced
Alta Advisers Ltd500$107.8K0.05%00.0%Unchanged
Provenance Wealth Advisors, LLC500$107.8K0.02%00.0%Unchanged
Mma Asset Management LLC500$107.8K0.05%+500New
GAMMA Investing LLC508$109.5K0.02%+22+4.5%Added
Spire Wealth Management510$110.0K0.00%−126−19.8%Reduced
Twin Lakes Capital Management, LLC511$110.2K0.07%00.0%Unchanged
Capital Analysts, LLC516$111.0K0.01%00.0%Unchanged
Hanson & Doremus Investment Management525$113.0K0.02%00.0%Unchanged
Towarzystwo Funduszy Inwestycyjnych Pzu SA525$113.2K0.05%00.0%Unchanged
Lindbrook Capital, LLC541$116.7K0.01%00.0%Unchanged
Cassady Schiller Wealth Management, LLC546$117.7K0.05%00.0%Unchanged
Kelly Financial Services LLC564$121.6K0.05%00.0%Unchanged
Sunbelt Securities, Inc.627$135.2K0.02%+324+106.9%Added
Salem Investment Counselors Inc658$141.9K0.00%00.0%Unchanged
Oakworth Capital, Inc.659$142.1K0.01%00.0%Unchanged
Caldwell Trust Co693$149.4K0.02%−68−8.9%Reduced
BNP Paribas700$151.0K0.01%+700New
NBC Securities, Inc.710$153.0K0.01%+93+15.1%Added
Sentry Investment Management LLC758$163.0K0.06%00.0%Unchanged
Allworth Financial LP764$164.7K0.00%+164+27.3%Added
Icon Wealth Advisors, LLC774$166.9K0.02%−58−7.0%Reduced
Annis Gardner Whiting Capital Advisors, LLC790$170.3K0.06%+767+3,334.8%Added
Centennial Bank800$172.5K0.09%00.0%Unchanged
Community Bank, N.A.800$172.5K0.02%00.0%Unchanged
Clear Street Markets LLC800$173.0K0.08%−112−12.3%Reduced
IFP Advisors, Inc817$176.2K0.01%−1−0.1%Reduced
Pin Oak Investment Advisors Inc820$177.0K0.17%00.0%Unchanged
City State Bank832$179.0K0.08%00.0%Unchanged
Baldwin Brothers Inc845$182.2K0.01%00.0%Unchanged
Richelieu Gestion PLC858$185.0K0.19%00.0%Unchanged
GPS Wealth Strategies Group, LLC868$187.2K0.03%00.0%Unchanged
TCTC Holdings, LLC900$194.1K0.01%00.0%Unchanged
Manchester Capital Management LLC907$195.6K0.02%+74+8.9%Added
Benjamin F. Edwards & Company, Inc.909$196.0K0.00%−22−2.4%Reduced
Acima Private Wealth, LLC916$197.5K0.07%00.0%Unchanged
Mascoma Wealth Management LLC925$199.5K0.06%00.0%Unchanged
Avidian Wealth Solutions, LLC930$200.5K0.01%−457−32.9%Reduced
Legacy Bridge, LLC940$202.7K0.12%00.0%Unchanged
North Star Asset Management Inc943$203.3K0.01%+30+3.3%Added
Northern Capital Management, Inc.947$204.2K0.14%00.0%Unchanged
Private Trust Co NA958$206.6K0.02%+399+71.4%Added
DRW Securities, LLC961$207.2K0.01%+961New
Naples Global Advisors, LLC962$207.4K0.02%00.0%Unchanged
Buckingham Strategic Partners964$207.9K0.01%+964New
LM Advisors LLC965$208.0K0.03%00.0%Unchanged
A. D. Beadell Investment Counsel, Inc.970$209.0K0.18%00.0%Unchanged
Aviance Capital Partners, LLC970$209.2K0.03%−60−5.8%Reduced
Waldron Private Wealth LLC983$212.0K0.01%−28−2.8%Reduced
Herold Advisors, Inc.993$214.1K0.05%+118+13.5%Added
Calamos Wealth Management LLC1,001$215.8K0.01%00.0%Unchanged
Oxford Asset Management LLP1,008$217.4K0.23%+1,008New
Moors & Cabot, Inc.1,015$218.9K0.01%+73+7.7%Added
Jupiter Wealth Management LLC1,000$219.7K0.12%−1,050−51.2%Reduced
Empirical Asset Management, LLC1,025$221.0K0.11%−290−22.1%Reduced
Mason & Associates Inc1,028$221.7K0.06%00.0%Unchanged
Investors Asset Management of Georgia Inc1,032$222.5K0.10%00.0%Unchanged
Reuter James Wealth Management, LLC1,035$223.2K0.15%−53−4.9%Reduced
NorthRock Partners, LLC1,035$223.2K0.01%−15−1.4%Reduced
Legacy Capital Group California, Inc.1,041$224.5K0.08%+65+6.7%Added
Financial Partners Group, LLC1,048$226.0K0.09%+1,048New
Vantage Consulting Group Inc1,065$229.6K0.15%+86+8.8%Added
Sompo Asset Management Co., Ltd.1,070$230.7K0.04%+1,070New
Fort Sheridan Advisors LLC1,070$230.7K0.04%+1,070New
JNBA Financial Advisors1,071$230.9K0.02%−201−15.8%Reduced
MAI Capital Management1,072$231.2K0.00%+126+13.3%Added
Conning Inc.1,073$231.4K0.01%00.0%Unchanged
McIntyre Freedman & Flynn Investment Advisers Inc1,089$234.8K0.17%−50−4.4%Reduced
Marcum Wealth, LLC1,099$237.0K0.02%−96−8.0%Reduced
Advisors Capital Management, LLC1,101$237.0K0.00%−146−11.7%Reduced
Cidel Asset Management Inc1,102$237.6K0.02%+66+6.4%Added
Alta Wealth Advisors LLC1,103$237.8K0.12%−112−9.2%Reduced
Waters Parkerson & Co., LLC1,113$240.0K0.01%+100+9.9%Added
Tradewinds, LLC.1,128$243.2K0.22%+1,128New
Independent Financial Group, LLC1,131$243.9K0.01%+225+24.8%Added
Boston Private Wealth LLC1,155$249.1K0.01%−19−1.6%Reduced
Lincoln National Corp1,157$249.5K0.00%−55−4.5%Reduced
Culbertson A N & Co Inc1,165$251.2K0.04%00.0%Unchanged
Hara Capital LLC1,174$253.2K0.15%00.0%Unchanged
Bell Bank1,175$253.4K0.02%00.0%Unchanged
Personal Cfo Solutions, LLC1,179$254.2K0.04%+155+15.1%Added
Grandfield & Dodd, LLC1,199$258.5K0.02%00.0%Unchanged
Snowden Capital Advisors LLC1,201$259.0K0.01%+61+5.4%Added
Equitable Holdings, Inc.1,213$261.6K0.00%+124+11.4%Added
Mather Group, LLC.1,042$269.6K0.00%−6−0.6%Reduced
Resources Investment Advisors, LLC.1,252$270.0K0.00%−431−25.6%Reduced
Marex Group plc1,254$270.4K0.01%−182−12.7%Reduced
Boltwood Capital Management1,260$271.7K0.08%+13+1.0%Added
Parkwood LLC1,264$273.0K0.03%+78+6.6%Added
Symmetry Partners, LLC1,293$279.0K0.02%00.0%Unchanged
Dynamic Technology Lab Private Ltd1,294$279.0K0.03%+470+57.0%Added