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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; 1,047 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
Johnson Investment Counsel Inc2,055$443.1K0.00%00.0%Unchanged
Bleakley Financial Group, LLC2,063$444.8K0.01%−228−10.0%Reduced
Simplicity Wealth,LLC2,063$444.8K0.01%+2,063New
Berkshire Asset Management LLC2,067$446.0K0.02%−10−0.5%Reduced
Wrapmanager Inc2,078$448.1K0.12%−162−7.2%Reduced
Wealthspire Advisors, LLC2,081$448.7K0.01%−299−12.6%Reduced
Meiji Yasuda Asset Management Co Ltd.2,101$453.0K0.02%+430+25.7%Added
Flputnam Investment Management Co2,118$456.7K0.01%+187+9.7%Added
Platinum Investment Management Ltd2,140$461.4K0.02%−21,880−91.1%Reduced
Burney Co2,141$461.7K0.02%00.0%Unchanged
Evercore Wealth Management, LLC2,142$461.9K0.01%−8−0.4%Reduced
Hancock Whitney Corp2,147$463.0K0.02%+120+5.9%Added
Westside Investment Management, Inc.2,154$463.7K0.11%+50+2.4%Added
Navellier & Associates Inc2,164$466.6K0.06%00.0%Unchanged
Huntington National Bank2,177$469.4K0.00%−126−5.5%Reduced
Kennedy Investment Group2,184$470.9K0.25%+3+0.1%Added
Trust Co of Vermont2,185$471.2K0.03%−9−0.4%Reduced
Humankind Investments LLC2,187$471.6K0.12%+247+12.7%Added
Fuller & Thaler Asset Management, Inc.2,190$472.2K0.00%−8−0.4%Reduced
Moran Wealth Management, LLC2,260$487.3K0.02%+158+7.5%Added
Coldstream Capital Management Inc2,262$487.8K0.01%−20−0.9%Reduced
Vanguard Capital Wealth Advisors2,300$495.9K0.35%00.0%Unchanged
Fayez Sarofim & Co2,300$495.9K0.00%00.0%Unchanged
Wedmont Private Capital2,413$498.3K0.04%+446+22.7%Added
Kennedy Capital Management, Inc.2,320$500.3K0.01%+2,320New
Park Avenue Securities LLC2,336$504.0K0.01%−215−8.4%Reduced
Regions Financial Corp2,338$504.1K0.00%+465+24.8%Added
Sequoia Financial Advisors, LLC2,341$504.8K0.01%−327−12.3%Reduced
Investment Management Corp of Ontario2,370$511.0K0.02%−18,187−88.5%Reduced
Financial Advisory Corp2,380$513.0K0.21%+318+15.4%Added
Vident Advisory, LLC2,392$515.8K0.01%−6,642−73.5%Reduced
Triangle Securities Wealth Management2,400$517.5K0.15%00.0%Unchanged
STF Management LP2,402$517.9K0.22%−58−2.4%Reduced
Oracle Investment Management Inc2,412$520.1K0.42%00.0%Unchanged
Tritonpoint Wealth, LLC2,321$520.9K0.05%+298+14.7%Added
Tevis Investment Management2,426$523.1K0.44%−11−0.5%Reduced
BancorpSouth Bank2,431$524.2K0.04%+14+0.6%Added
MMBG Investment Advisors Co.2,450$528.3K0.06%00.0%Unchanged
TFB Advisors LLC2,450$529.5K0.19%+50+2.1%Added
Focus Financial Network, Inc.2,788$531.2K0.03%+2,788New
Wetherby Asset Management Inc2,464$531.3K0.03%−44−1.8%Reduced
UBS Oconnor LLC2,500$539.1K0.02%−2,379−48.8%Reduced
NJ State Employees Deferred Compensation Plan2,500$539.1K0.07%00.0%Unchanged
Three Bridge Wealth Advisors, LLC2,529$545.3K0.21%+78+3.2%Added
Savant Capital, LLC2,535$546.6K0.01%+166+7.0%Added
Stonegate Investment Group, LLC2,541$547.9K0.02%−197−7.2%Reduced
Pictet & Cie (Europe) SA2,557$551.4K0.01%+161+6.7%Added
Lido Advisors, LLC2,574$555.0K0.00%−241−8.6%Reduced
Mengis Capital Management, Inc.2,580$556.3K0.09%−5,475−68.0%Reduced
Basepoint Wealth LLC2,584$557.3K0.42%−95−3.5%Reduced
ARGA Investment Management, LP2,622$565.4K0.02%00.0%Unchanged
Eagle Global Advisors LLC2,625$566.0K0.03%00.0%Unchanged
QRG Capital Management, Inc.2,634$568.0K0.01%+51+2.0%Added
Auxano Advisors, LLC2,640$569.3K0.17%+444+20.2%Added
Pallas Capital Advisors LLC2,659$573.4K0.02%+2,659New
CIBC Private Wealth Group, LLC2,679$575.5K0.00%−31−1.1%Reduced
Readystate Asset Management LP2,680$577.9K0.02%+2,680New
Fiduciary Trust Co2,685$579.0K0.01%−25−0.9%Reduced
Horizon Investments, LLC2,690$580.0K0.02%+139+5.4%Added
GHP Investment Advisors, Inc.2,710$584.3K0.03%−40−1.5%Reduced
Wahed Invest LLC2,741$591.0K0.13%+336+14.0%Added
Vestcor Inc2,806$605.0K0.02%−705−20.1%Reduced
Portside Wealth Group, LLC2,817$607.4K0.11%−245−8.0%Reduced
Baker Tilly Wealth Management, LLC2,851$614.8K0.11%−30−1.0%Reduced
Fernwood Investment Management, LLC2,883$621.7K0.18%+3+0.1%Added
Kestra Advisory Services, LLC2,890$623.2K0.00%+119+4.3%Added
Moody Aldrich Partners LLC2,901$625.5K0.11%−709−19.6%Reduced
Banque Cantonale Vaudoise2,917$630.0K0.02%−1,505−34.0%Reduced
CAPROCK Group, Inc.2,936$633.1K0.04%−2,577−46.7%Reduced
Cim Investment Mangement Inc2,946$635.2K0.19%00.0%Unchanged
Massachusetts Wealth Management2,950$636.1K0.45%−300−9.2%Reduced
KCM Investment Advisors LLC2,953$636.8K0.02%+48+1.7%Added
Raymond James Trust N.A.2,968$640.0K0.02%+349+13.3%Added
Fifth Third Bancorp2,985$643.7K0.00%−135−4.3%Reduced
Concurrent Investment Advisors, LLC2,997$646.2K0.03%+1,567+109.6%Added
Aquila Investment Management LLC3,000$646.9K0.55%00.0%Unchanged
Intact Investment Management Inc.3,000$646.9K0.03%+700+30.4%Added
Two Sigma Securities, LLC3,000$646.9K0.03%+3,000New
Marathon Trading Investment Management LLC3,000$646.9K0.26%+3,000New
Forum Financial Management, LP3,006$648.2K0.01%−37−1.2%Reduced
Callan Capital, LLC3,041$655.7K0.06%+223+7.9%Added
Bessemer Group Inc3,054$657.0K0.00%+43+1.4%Added
Adviser Investments LLC3,089$666.0K0.01%+67+2.2%Added
Nicolet Bankshares Inc3,094$667.2K0.16%+32+1.0%Added
Apollon Wealth Management, LLC3,096$667.6K0.02%−1,898−38.0%Reduced
Horizon Kinetics Asset Management LLC3,121$673.0K0.01%+2+0.1%Added
Gsa Capital Partners LLP3,123$673.0K0.05%+1,652+112.3%Added
Klingenstein Fields & Co LP3,131$675.1K0.03%−12−0.4%Reduced
Ieq Capital, LLC3,133$675.5K0.01%−1,150−26.9%Reduced
Autumn Glory Partners, LLC3,184$686.6K0.34%00.0%Unchanged
Public Sector Pension Investment Board3,196$689.2K0.00%−100−3.0%Reduced
V-Square Quantitative Management LLC3,245$699.7K0.12%+584+21.9%Added
Northwest Bank & Trust Co3,259$700.0K0.64%−14−0.4%Reduced
Investment House LLC3,269$704.9K0.04%00.0%Unchanged
Envestnet Portfolio Solutions, Inc.3,295$710.5K0.00%+76+2.4%Added
SFMG, LLC3,341$720.4K0.06%+3,341New
Roberts Glore & Co Inc3,355$723.4K0.22%+9+0.3%Added
GWM Advisors LLC3,371$726.9K0.01%−3,168−48.4%Reduced
Unique Wealth Strategies, LLC3,406$734.4K0.36%+3,406New
Tokio Marine Asset Management Co Ltd3,408$734.9K0.04%+465+15.8%Added