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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, Q3 2022

Institutional positions in Biogen Inc. as of Sep 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
987
+69 vs. Q2 2022
Shares held
123.8M
+1.99M (+1.6%) vs. Q2 2022
Total value
$33.0B
+$8.02B (+32.1%) vs. Q2 2022
New holders
149
276 more added
Sold out
80
372 more reduced

12 institutions that held it in Q2 2022 haven't filed for Q3 2022 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q2 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 holdersQ3 2022: 987 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 heldQ3 2022: $33.0B
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, Q3 2022

Shares, value and share of portfolio for each institution holding Biogen Inc.; share changes are against Q2 2022.

Institutions holding BIIB in Q3 2022
InstitutionSharesValue% of portfolioChange in sharesAction
Primecap Management Co15,741,715$4.20B4.07%+15,189+0.1%Added
BlackRock Inc.13,846,726$3.70B0.13%−616,733−4.3%Reduced
Vanguard Group Inc11,914,973$3.18B0.09%+54,951+0.5%Added
State Street Corp6,895,357$1.84B0.12%+18,476+0.3%Added
Wellington Management Group LLP5,135,617$1.37B0.29%−1,151,108−18.3%Reduced
Geode Capital Management, LLC3,299,475$880.0M0.13%+53,952+1.7%Added
JPMorgan Chase & Co2,103,917$561.7M0.09%+128,827+6.5%Added
Clearbridge Investments, LLC1,875,640$500.8M0.51%−91,570−4.7%Reduced
Northern Trust Corp1,685,021$449.9M0.10%−24,556−1.4%Reduced
Point72 Asset Management, L.P.1,677,982$448.0M1.95%+1,222,182+268.1%Added
Deutsche Bank AG1,603,423$428.1M0.26%−63,476−3.8%Reduced
D. E. Shaw & Co., Inc.1,535,315$409.9M0.72%+179,461+13.2%Added
Price T Rowe Associates Inc1,534,515$409.7M0.07%+503,584+48.8%Added
Bank of New York Mellon Corp1,506,789$402.3M0.10%−34,555−2.2%Reduced
FMR LLC1,476,232$394.2M0.04%+450,066+43.9%Added
Legal & General Group Plc1,429,499$381.7M0.15%−26,471−1.8%Reduced
Goldman Sachs Group Inc1,397,644$373.2M0.11%−246,405−15.0%Reduced
Dimensional Fund Advisors LP1,363,053$363.9M0.14%+112,599+9.0%Added
Norges Bank1,244,737$332.3M0.09%+64,970+5.5%Added
Morgan Stanley1,242,804$331.8M0.05%−134,131−9.7%Reduced
Renaissance Technologies LLC1,154,507$308.3M0.44%−391,500−25.3%Reduced
UBS Asset Management Americas Inc1,116,456$298.1M0.17%−40,807−3.5%Reduced
Invesco Ltd.970,776$259.2M0.08%+14,436+1.5%Added
Beutel, Goodman & Co Ltd.957,981$255.8M1.73%−8,205−0.8%Reduced
Ra Capital Management, L.P.937,549$250.3M5.34%+210,525+29.0%Added
Van Eck Associates Corp917,986$245.1M0.73%−31,849−3.4%Reduced
Millennium Management LLC912,705$243.7M0.30%+331,058+56.9%Added
Two Sigma Advisers, LP876,300$234.0M0.68%−119,300−12.0%Reduced
Charles Schwab Investment Management Inc820,568$219.1M0.08%+30,684+3.9%Added
Pictet Asset Management SA694,225$185.4M0.28%+183,164+35.8%Added
Man Group plc669,178$178.7M0.83%––
Sarissa Capital Management LP643,000$171.7M19.40%00.0%Unchanged
Amundi648,896$169.8M0.10%+241,061+59.1%Added
Swiss National Bank634,772$169.5M0.12%−2,600−0.4%Reduced
Arrowstreet Capital, Limited Partnership630,496$168.3M0.25%+40,394+6.8%Added
Assenagon Asset Management S.A.603,216$161.1M0.69%−35,841−5.6%Reduced
Avidity Partners Management LP600,000$160.2M3.48%+159,434+36.2%Added
Nuveen Asset Management, LLC572,688$152.9M0.06%+66,300+13.1%Added
Sumitomo Mitsui Trust Holdings, Inc.569,385$152.0M0.12%−79,105−12.2%Reduced
Bank of America Corp568,801$151.9M0.02%−136,063−19.3%Reduced
Allianz Asset Management GmbH564,931$150.8M0.35%−32,754−5.5%Reduced
Franklin Resources Inc409,242$109.3M0.06%−3,607−0.9%Reduced
Neuberger Berman Group LLC405,493$108.3M0.11%+193,812+91.6%Added
Nordea Investment Management AB415,040$107.3M0.17%−6,408−1.5%Reduced
Employees Provident Fund Board392,680$104.8M3.06%00.0%Unchanged
First Trust Advisors LP388,976$103.9M0.13%−50,425−11.5%Reduced
California Public Employees Retirement System385,993$103.1M0.09%+14,096+3.8%Added
LSV Asset Management369,122$98.6M0.23%−1,330−0.4%Reduced
Palo Alto Investors LP360,981$96.4M7.62%00.0%Unchanged
Parnassus Investments347,751$92.8M0.24%−104,302−23.1%Reduced
Pacer Advisors, Inc.347,065$92.7M0.65%−140,561−28.8%Reduced
BNP PARIBAS ASSET MANAGEMENT Holding S.A.346,592$92.5M0.36%−1,462−0.4%Reduced
Russell Investments Group, Ltd.337,254$90.0M0.20%+78,393+30.3%Added
Barclays PLC335,857$89.7M0.10%+23,342+7.5%Added
Deerfield Management Company, L.P. (Series C)330,000$88.1M1.76%+330,000New
Wells Fargo & Company318,978$85.2M0.03%−40,101−11.2%Reduced
Thrivent Financial for Lutherans308,822$82.5M0.23%+47,482+18.2%Added
Robeco Institutional Asset Management B.V.307,816$82.2M0.27%+126,305+69.6%Added
Envestnet Asset Management Inc305,647$81.6M0.05%−1,633−0.5%Reduced
Farallon Capital Management, L.L.C.305,499$81.6M0.50%+27,000+9.7%Added
Jane Street Group, LLC304,540$81.3M0.16%+114,830+60.5%Added
Credit Suisse AG299,036$79.8M0.09%−32,765−9.9%Reduced
American Century Companies Inc291,821$77.9M0.07%−136,278−31.8%Reduced
Bank of Montreal279,274$75.7M0.06%+50,627+22.1%Added
Rhumbline Advisers273,246$73.0M0.11%+10,082+3.8%Added
Korea Investment CORP269,539$72.0M0.22%+41,268+18.1%Added
Citigroup Inc255,210$68.1M0.10%+68,887+37.0%Added
Royal Bank of Canada252,429$67.4M0.02%−43,308−14.6%Reduced
Candriam Luxembourg S.C.A.251,159$67.1M0.47%−1,034−0.4%Reduced
California State Teachers Retirement System250,138$66.8M0.11%−1,924−0.8%Reduced
Polar Capital Holdings Plc250,000$66.8M0.54%+75,000+42.9%Added
AXA S.A.249,705$66.7M0.26%+36,058+16.9%Added
Citadel Advisors LLC249,378$66.6M0.08%+40,935+19.6%Added
Adage Capital Partners GP, L.L.C.247,799$66.2M0.16%+95,300+62.5%Added
AQR Capital Management LLC254,458$65.8M0.16%−258,748−50.4%Reduced
Alliancebernstein L.P.232,379$62.0M0.03%+1,801+0.8%Added
Saratoga Research & Investment Management231,405$61.8M3.27%−1,065−0.5%Reduced
Massachusetts Financial Services Co228,020$60.9M0.02%+55,837+32.4%Added
OrbiMed Advisors LLC224,600$60.0M1.19%+113,000+101.3%Added
Armistice Capital, LLC224,000$59.8M1.50%−12,000−5.1%Reduced
BNP Paribas Arbitrage, SA220,603$58.9M0.15%+75,124+51.6%Added
Canada Pension Plan Investment Board220,255$58.8M0.10%+123,400+127.4%Added
Erste Asset Management GmbH216,060$57.6M1.29%−16,656−7.2%Reduced
Epoch Investment Partners, Inc.213,798$57.1M0.37%−5,809−2.6%Reduced
National Pension Service205,652$54.3M0.11%−8,362−3.9%Reduced
United Capital Financial Advisers, LLC201,530$53.8M0.32%−1,231−0.6%Reduced
Camber Capital Management LP200,000$53.4M1.79%+75,000+60.0%Added
Krensavage Asset Management, LLC184,648$49.3M15.70%+67,400+57.5%Added
State Board of Administration of Florida Retirement System181,566$48.5M0.12%−6,116−3.3%Reduced
Mirae Asset Global Investments Co., Ltd.181,559$48.5M0.13%+23,060+14.5%Added
Principal Financial Group Inc180,732$48.3M0.04%−3,563−1.9%Reduced
Balyasny Asset Management LLC176,165$47.0M0.18%+152,859+655.9%Added
Intech Investment Management LLC173,845$46.4M0.35%−397,921−69.6%Reduced
Mitsubishi UFJ Trust & Banking Corp170,296$45.5M0.13%+5,713+3.5%Added
HSBC Holdings PLC170,183$45.4M0.08%−36,149−17.5%Reduced
Railway Pension Investments Ltd167,922$44.8M0.49%00.0%Unchanged
Susquehanna International Group, LLP166,237$44.4M0.09%+63,502+61.8%Added
New York State Common Retirement Fund164,214$43.8M0.06%−4,160−2.5%Reduced
Squarepoint Ops LLC163,775$43.7M0.39%+78,478+92.0%Added
Victory Capital Management Inc163,545$43.7M0.05%−3,932−2.3%Reduced