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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 2022

Institutional positions in Biogen Inc. as of Jun 30, 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
930
−15 vs. Q1 2022
Shares held
121.8M
−751.2K (−0.6%) vs. Q1 2022
Total value
$25.0B
−$798.5M (−3.1%) vs. Q1 2022
New holders
78
296 more added
Sold out
93
355 more reduced

9 institutions that held it in Q1 2022 haven't filed for Q2 2022 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q1 2022: 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 2022: 930 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 2022: $25.0B
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 20261,046$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 2022

Shares, value and share of portfolio for each institution holding Biogen Inc.; share changes are against Q1 2022.

Institutions holding BIIB in Q2 2022
InstitutionSharesValue% of portfolioChange in sharesAction
Primecap Management Co15,726,526$3.21B2.87%−108,080−0.7%Reduced
BlackRock Inc.14,463,459$2.95B0.09%+342,362+2.4%Added
Vanguard Group Inc11,860,022$2.42B0.07%+139,438+1.2%Added
State Street Corp6,876,881$1.40B0.08%−332,025−4.6%Reduced
Wellington Management Group LLP6,286,725$1.28B0.26%+37,199+0.6%Added
Geode Capital Management, LLC3,245,523$660.8M0.10%+438,859+15.6%Added
JPMorgan Chase & Co1,975,090$402.8M0.06%−200,467−9.2%Reduced
Clearbridge Investments, LLC1,967,210$401.2M0.37%−543,782−21.7%Reduced
Northern Trust Corp1,709,577$348.7M0.07%+24,050+1.4%Added
Deutsche Bank AG1,666,899$339.9M0.19%+227,008+15.8%Added
Goldman Sachs Group Inc1,644,049$335.3M0.10%+333,945+25.5%Added
Renaissance Technologies LLC1,546,007$315.3M0.37%+501,800+48.1%Added
Bank of New York Mellon Corp1,541,344$314.3M0.07%+104,133+7.2%Added
Legal & General Group Plc1,455,970$296.9M0.11%+15,609+1.1%Added
Morgan Stanley1,376,935$280.8M0.04%+421,106+44.1%Added
D. E. Shaw & Co., Inc.1,355,854$276.5M0.45%+361,974+36.4%Added
Dimensional Fund Advisors LP1,250,454$255.0M0.09%+15,431+1.2%Added
Norges Bank1,179,767$240.6M0.06%−191,286−14.0%Reduced
UBS Asset Management Americas Inc1,157,263$236.0M0.12%−6,049−0.5%Reduced
Price T Rowe Associates Inc1,030,931$210.2M0.03%−45,038−4.2%Reduced
FMR LLC1,026,166$209.3M0.02%+638,196+164.5%Added
Two Sigma Advisers, LP995,600$203.0M0.58%−102,500−9.3%Reduced
Beutel, Goodman & Co Ltd.966,186$197.0M1.22%+26,025+2.8%Added
Invesco Ltd.956,340$195.0M0.06%+1,931+0.2%Added
Van Eck Associates Corp949,835$193.7M0.51%+11,957+1.3%Added
Man Group plc–$161.8M0.69%––
Charles Schwab Investment Management Inc789,884$161.1M0.06%+25,124+3.3%Added
Ra Capital Management, L.P.727,024$148.3M3.95%00.0%Unchanged
Bank of America Corp704,864$143.8M0.02%+16,280+2.4%Added
Sumitomo Mitsui Trust Holdings, Inc.648,490$132.3M0.10%+117,090+22.0%Added
Sarissa Capital Management LP643,000$131.1M13.20%00.0%Unchanged
Assenagon Asset Management S.A.639,057$130.3M0.55%+86,578+15.7%Added
Swiss National Bank637,372$130.0M0.09%+1,100+0.2%Added
Allianz Asset Management GmbH597,685$121.9M0.12%+66,903+12.6%Added
Arrowstreet Capital, Limited Partnership590,102$120.3M0.17%−397,975−40.3%Reduced
Millennium Management LLC581,647$118.6M0.15%−22,566−3.7%Reduced
Intech Investment Management LLC571,766$116.6M0.67%+571,766New
Pictet Asset Management SA511,061$104.2M0.15%−27,759−5.2%Reduced
AQR Capital Management LLC513,206$103.5M0.23%+116,900+29.5%Added
Nuveen Asset Management, LLC506,388$103.3M0.04%−17,122−3.3%Reduced
Pacer Advisors, Inc.487,626$99.4M0.74%+163,478+50.4%Added
Point72 Asset Management, L.P.455,800$93.0M0.44%+360,000+375.8%Added
Parnassus Investments452,053$92.2M0.22%00.0%Unchanged
Avidity Partners Management LP440,566$89.8M2.06%+75,566+20.7%Added
First Trust Advisors LP439,401$89.6M0.11%+41,880+10.5%Added
Amundi407,835$87.4M0.07%+60,579+17.4%Added
American Century Companies Inc428,099$87.3M0.07%−451,703−51.3%Reduced
Nordea Investment Management AB421,448$85.0M0.13%−26,497−5.9%Reduced
HealthCor Management, L.P.413,640$84.4M8.68%+11,980+3.0%Added
Franklin Resources Inc412,849$84.2M0.04%−2,533−0.6%Reduced
Employees Provident Fund Board392,680$80.1M1.81%+37,362+10.5%Added
California Public Employees Retirement System371,897$75.8M0.07%−54,459−12.8%Reduced
LSV Asset Management370,452$75.5M0.16%−3,198−0.9%Reduced
Palo Alto Investors LP360,981$73.6M6.42%00.0%Unchanged
Wells Fargo & Company359,079$73.2M0.02%−80,651−18.3%Reduced
BNP PARIBAS ASSET MANAGEMENT Holding S.A.348,054$71.0M0.27%+1,037+0.3%Added
Credit Suisse AG331,801$67.7M0.07%−13,389−3.9%Reduced
Barclays PLC312,515$63.7M0.07%−66,866−17.6%Reduced
Federated Hermes, Inc.311,972$63.6M0.17%+91,985+41.8%Added
Envestnet Asset Management Inc307,280$62.7M0.04%+13,474+4.6%Added
Royal Bank of Canada295,737$60.3M0.02%+33,466+12.8%Added
UBS Group AG279,310$57.0M0.03%−84,208−23.2%Reduced
Farallon Capital Management, L.L.C.278,499$56.8M0.33%+80,700+40.8%Added
Bank of Montreal228,647$56.0M0.04%+62,544+37.7%Added
Bridgewater Associates, LP267,931$54.6M0.23%+230,412+614.1%Added
Rhumbline Advisers263,164$53.7M0.08%+12,204+4.9%Added
Retirement Systems of Alabama262,029$53.4M0.23%−1,397−0.5%Reduced
Thrivent Financial for Lutherans261,340$53.3M0.14%−8,904−3.3%Reduced
Russell Investments Group, Ltd.258,861$52.8M0.11%+113,919+78.6%Added
Candriam Luxembourg S.C.A.252,193$51.4M0.42%+9,133+3.8%Added
California State Teachers Retirement System252,062$51.4M0.08%−4,681−1.8%Reduced
Two Sigma Investments, LP244,780$49.9M0.17%−418,752−63.1%Reduced
Armistice Capital, LLC236,000$48.1M1.23%−336,000−58.7%Reduced
Erste Asset Management GmbH232,716$47.5M1.06%−12,401−5.1%Reduced
Saratoga Research & Investment Management232,470$47.4M2.35%−7,978−3.3%Reduced
Alliancebernstein L.P.230,578$47.0M0.02%+36,088+18.6%Added
Korea Investment CORP228,271$46.6M0.14%+55,847+32.4%Added
Epoch Investment Partners, Inc.219,607$44.8M0.26%+38,681+21.4%Added
National Pension Service214,014$43.6M0.09%+2,803+1.3%Added
AXA S.A.213,647$43.6M0.16%+10,292+5.1%Added
Neuberger Berman Group LLC211,681$43.2M0.04%+200,289+1,758.2%Added
Citadel Advisors LLC208,443$42.5M0.06%+130,048+165.9%Added
HSBC Holdings PLC206,332$42.4M0.07%+40,071+24.1%Added
United Capital Financial Advisers, LLC202,761$41.4M0.23%+2,942+1.5%Added
Jane Street Group, LLC189,710$38.7M0.08%+6,227+3.4%Added
State Board of Administration of Florida Retirement System187,682$38.3M0.09%−5,834−3.0%Reduced
ProShare Advisors LLC187,664$38.3M0.13%−93,184−33.2%Reduced
Citigroup Inc186,323$38.0M0.05%−19,455−9.5%Reduced
Principal Financial Group Inc184,295$37.6M0.03%+13,659+8.0%Added
Robeco Institutional Asset Management B.V.181,511$37.0M0.12%+3,915+2.2%Added
Polar Capital Holdings Plc175,000$35.7M0.28%+50,000+40.0%Added
DekaBank Deutsche Girozentrale173,051$35.2M0.10%−3,493−2.0%Reduced
Massachusetts Financial Services Co172,183$35.1M0.01%−33,373−16.2%Reduced
Sprucegrove Investment Management Ltd169,500$34.6M1.72%−94,700−35.8%Reduced
New York State Common Retirement Fund168,374$34.3M0.04%−108,637−39.2%Reduced
Railway Pension Investments Ltd167,922$34.2M0.34%+1,500+0.9%Added
Victory Capital Management Inc167,477$34.2M0.04%+1,775+1.1%Added
Voloridge Investment Management, LLC166,630$34.0M0.18%+41,162+32.8%Added
Mitsubishi UFJ Trust & Banking Corp164,583$33.6M0.09%+11,432+7.5%Added
Manufacturers Life Insurance Company, The163,834$33.4M0.02%−2,990−1.8%Reduced