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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 2022

Institutional positions in Biogen Inc. as of Mar 31, 2022. 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
954
−52 vs. Q4 2021
Shares held
123.2M
−692.9K (−0.6%) vs. Q4 2021
Total value
$25.9B
−$3.76B (−12.7%) vs. Q4 2021
New holders
82
319 more added
Sold out
134
389 more reduced

8 institutions that held it in Q4 2021 haven't filed for Q1 2022 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q4 2021: 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 2022: 954 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 2022: $25.9B
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 20261,047$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 2022

Shares, value and share of portfolio for each institution holding Biogen Inc.; share changes are against Q4 2021.

Institutions holding BIIB in Q1 2022
InstitutionSharesValue% of portfolioChange in sharesAction
Xponance, Inc.9,791$2.06M0.03%+364+3.9%Added
Segall Bryant & Hamill, LLC9,797$2.06M0.02%−6,000−38.0%Reduced
Two Sigma Securities, LLC9,873$2.08M0.29%+8,184+484.5%Added
Mengis Capital Management, Inc.9,915$2.09M0.40%00.0%Unchanged
Leelyn Smith, LLC9,971$2.10M0.55%+1,943+24.2%Added
Wealthfront Advisers LLC10,035$2.11M0.01%+7,508+297.1%Added
Point72 Hong Kong Ltd10,097$2.13M0.20%+9,758+2,878.5%Added
Birchview Capital, LP10,100$2.13M1.53%−2,500−19.8%Reduced
Toroso Investments, LLC10,110$2.13M0.06%+4,592+83.2%Added
Guardian Investment Management10,165$2.14M1.66%00.0%Unchanged
Eisler Capital (UK) Ltd.10,348$2.18M0.16%+10,348New
Teachers Retirement System of the State of Kentucky10,525$2.22M0.02%−458−4.2%Reduced
Industrial Alliance Investment Management Inc.10,571$2.23M0.05%+836+8.6%Added
B. Metzler seel. Sohn & Co. AG10,779$2.27M0.03%+584+5.7%Added
Twinbeech Capital LP11,297$2.38M0.10%+9,516+534.3%Added
American Portfolios Advisors11,301$2.38M0.08%+157+1.4%Added
Maryland State Retirement & Pension System11,318$2.38M0.06%00.0%Unchanged
Engineers Gate Manager LP11,336$2.39M0.09%+10,095+813.5%Added
Neuberger Berman Group LLC11,392$2.40M0.00%+490+4.5%Added
Gifford Fong Associates11,500$2.42M0.44%00.0%Unchanged
BFT Financial Group, LLC11,501$2.42M0.39%+11,501New
Elo Mutual Pension Insurance Co11,553$2.43M0.07%+120+1.0%Added
AlphaCrest Capital Management LLC11,667$2.46M0.14%−5,784−33.1%Reduced
Connor, Clark & Lunn Investment Management Ltd.11,787$2.48M0.01%+4,899+71.1%Added
Securian Asset Management, Inc11,911$2.51M0.05%−200−1.7%Reduced
TownSquare Capital, LLC11,978$2.52M0.06%+2,894+31.9%Added
Court Place Advisors, LLC11,999$2.53M0.82%−1,430−10.6%Reduced
HighTower Advisors, LLC12,061$2.54M0.01%−2,013−14.3%Reduced
First Republic Investment Management, Inc.12,099$2.55M0.01%−41−0.3%Reduced
Lifeworks Advisors, LLC12,235$2.58M1.70%+2,837+30.2%Added
Money Concepts Capital Corp12,311$2.59M0.15%+2,594+26.7%Added
North Growth Management Ltd.12,000$2.60M0.48%−16,000−57.1%Reduced
Pearl River Capital, LLC12,574$2.65M0.73%+12,574New
Creative Planning12,691$2.67M0.00%−297−2.3%Reduced
M&G Investment Management Ltd12,999$2.74M0.01%00.0%Unchanged
ACG Wealth13,218$2.78M0.53%−8,864−40.1%Reduced
Federation des caisses Desjardins du Quebec13,230$2.79M0.03%−131−1.0%Reduced
Privium Fund Management B.V.13,400$2.82M0.64%+13,400New
Strategic Wealth Partners, Ltd.13,406$2.82M0.55%+381+2.9%Added
D.A. Davidson & Co.13,424$2.83M0.03%+791+6.3%Added
First National Bank of Omaha13,435$2.83M0.14%−784−5.5%Reduced
Beacon Pointe Advisors, LLC13,463$2.83M0.04%+10,369+335.1%Added
First Citizens Bank & Trust Co13,696$2.88M0.11%−18−0.1%Reduced
HAP Trading, LLC13,717$2.89M0.33%−6,096−30.8%Reduced
Vontobel Holding Ltd.14,045$2.96M0.03%−22,209−61.3%Reduced
Morningstar Investment Services LLC14,166$2.99M0.03%00.0%Unchanged
Mariner, LLC14,472$3.05M0.01%+1,635+12.7%Added
Blair William & Co14,526$3.06M0.01%−3,236−18.2%Reduced
Los Angeles Capital Management LLC14,545$3.06M0.01%+9,490+187.7%Added
Schroder Investment Management Group14,689$3.10M0.00%+4,935+50.6%Added
Brookfield Asset Management Inc.14,763$3.11M0.01%+10,763+269.1%Added
Easterly Investment Partners LLC14,860$3.13M0.24%−15,635−51.3%Reduced
Rhenman & Partners Asset Management AB15,000$3.16M0.31%−100,000−87.0%Reduced
Hudson Bay Capital Management LP15,000$3.16M0.04%−29,000−65.9%Reduced
Integral Health Asset Management, LLC15,000$3.16M0.82%−20,000−57.1%Reduced
SG3 Management, LLC15,000$3.16M0.88%+8,500+130.8%Added
Gabelli Funds LLC15,075$3.17M0.02%00.0%Unchanged
CIBC World Markets Inc.15,244$3.21M0.01%+4,349+39.9%Added
Norinchukin Bank, The15,245$3.21M0.04%+1,366+9.8%Added
Meitav Dash Investments Ltd15,812$3.33M0.05%+15,812New
Natixis Advisors, L.P.15,878$3.34M0.01%−521−3.2%Reduced
Level Four Advisory Services, LLC15,919$3.35M0.26%+3,907+32.5%Added
Cornerstone Advisors, LLC16,000$3.37M0.20%00.0%Unchanged
Daiwa Securities Group Inc.14,399$3.42M0.02%+927+6.9%Added
Nissay Asset Management Corp16,612$3.50M0.03%+162+1.0%Added
Comerica Bank15,993$3.52M0.03%−201−1.2%Reduced
DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main17,001$3.58M0.01%00.0%Unchanged
Dai-Ichi Life Insurance Company, Ltd17,086$3.60M0.06%00.0%Unchanged
Sectoral Asset Management Inc17,202$3.62M0.64%+120+0.7%Added
Greatmark Investment Partners, Inc.17,514$3.69M0.61%+3,735+27.1%Added
M&T Bank Corp17,699$3.73M0.02%−415−2.3%Reduced
Louisiana State Employees Retirement System17,100$3.77M0.09%+100+0.6%Added
Ilmarinen Mutual Pension Insurance Co18,000$3.79M0.05%00.0%Unchanged
Crossmark Global Holdings, Inc.18,188$3.83M0.09%+5,687+45.5%Added
Hussman Strategic Advisors, Inc.18,200$3.83M0.74%+5,200+40.0%Added
Nomura Holdings Inc17,871$3.84M0.03%−15,356−46.2%Reduced
Bank of Nova Scotia18,254$3.84M0.01%−13,333−42.2%Reduced
Duality Advisers, LP18,392$3.87M0.42%+18,392New
Adage Capital Partners GP, L.L.C.18,399$3.88M0.01%−163,100−89.9%Reduced
Hartford Investment Management Co18,483$3.89M0.10%−1,062−5.4%Reduced
Shelton Capital Management18,556$3.91M0.15%−100−0.5%Reduced
Walleye Trading LLC19,011$4.00M0.08%+14,134+289.8%Added
Texas Permanent School Fund19,053$4.01M0.05%−1,178−5.8%Reduced
Trexquant Investment LP19,210$4.05M0.19%+19,210New
Bokf, NA19,352$4.08M0.07%−20−0.1%Reduced
Mutual of America Capital Management LLC19,584$4.12M0.04%+201+1.0%Added
Commonwealth of Pennsylvania Public School Empls Retrmt Sys19,655$4.14M0.04%+1,217+6.6%Added
Fort Washington Investment Advisors Inc19,995$4.21M0.03%−50−0.2%Reduced
Varma Mutual Pension Insurance Co20,000$4.21M0.05%00.0%Unchanged
Boothbay Fund Management, LLC20,150$4.24M0.14%−3,217−13.8%Reduced
Exchange Capital Management, Inc.20,351$4.29M0.80%+855+4.4%Added
Wolverine Trading, LLC20,377$4.30M0.13%−5,460−21.1%Reduced
Public Sector Pension Investment Board20,546$4.33M0.03%−3,960−16.2%Reduced
Tocqueville Asset Management L.P.20,716$4.36M0.07%−15,342−42.5%Reduced
Quantitative Investment Management, LLC20,910$4.40M0.48%+20,910New
Mackay Shields LLC21,286$4.48M0.04%−830−3.8%Reduced
Bellevue Group AG22,350$4.71M0.05%−502,650−95.7%Reduced
British Columbia Investment Management Corp22,681$4.78M0.03%−3,588−13.7%Reduced
Advisor Group Holdings, Inc.22,206$4.81M0.01%+1,421+6.8%Added
Parallax Volatility Advisers, L.P.22,926$4.83M0.11%−171,220−88.2%Reduced