Skip to main content

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, Q3 2024

Institutional positions in Biogen Inc. as of Sep 30, 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
921
−17 vs. Q2 2024
Shares held
129.8M
+15.4M (+13.4%) vs. Q2 2024
Total value
$25.1B
−$1.44B (−5.4%) vs. Q2 2024
New holders
101
269 more added
Sold out
118
378 more reduced

9 institutions that held it in Q2 2024 haven't filed for Q3 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q2 2024: 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 2024: 921 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 heldQ3 2024: $25.1B
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, Q3 2024

Shares, value and share of portfolio for each institution holding Biogen Inc.; share changes are against Q2 2024.

Institutions holding BIIB in Q3 2024
InstitutionSharesValue% of portfolioChange in sharesAction
Natixis116,449$22.6M0.14%+8,968+8.3%Added
Krensavage Asset Management, LLC113,502$22.0M12.33%−10,283−8.3%Reduced
Jane Street Group, LLC110,289$21.4M0.03%−67,877−38.1%Reduced
DekaBank Deutsche Girozentrale108,721$21.2M0.04%+1,753+1.6%Added
SEI Investments Co107,952$20.9M0.03%+2,601+2.5%Added
Federated Hermes, Inc.102,584$19.9M0.04%−358−0.3%Reduced
Sprucegrove Investment Management Ltd97,855$19.0M1.06%−200−0.2%Reduced
Trexquant Investment LP96,596$18.7M0.24%+96,596New
New York State Common Retirement Fund94,745$18.4M0.02%−16,507−14.8%Reduced
Van Eck Associates Corp98,937$18.1M0.02%−823,824−89.3%Reduced
State of Wisconsin Investment Board92,966$18.0M0.05%+13,571+17.1%Added
Treasurer of the State of North Carolina91,367$17.7M0.07%−5,988−6.2%Reduced
HRT Financial LP89,217$17.3M0.09%+89,217New
United Capital Financial Advisers, LLC87,375$16.9M0.14%−1,803−2.0%Reduced
Woodline Partners LP82,283$15.9M0.13%+1,683+2.1%Added
DnB Asset Management AS82,144$15.9M0.07%+20,918+34.2%Added
Voya Investment Management LLC80,774$15.7M0.02%−13,720−14.5%Reduced
Nordea Investment Management AB79,680$15.4M0.02%−29,794−27.2%Reduced
Mitsubishi UFJ Trust & Banking Corp79,171$15.3M0.04%+544+0.7%Added
Chevy Chase Trust Holdings, Inc.78,625$15.2M0.05%−1,395−1.7%Reduced
Glenmede Trust Co NA77,301$15.0M0.07%+66,583+621.2%Added
DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main76,032$14.7M0.02%+53,561+238.4%Added
J. Safra Sarasin Holding AG72,618$14.1M0.24%+6,860+10.4%Added
Bridgewater Associates, LP72,104$14.0M0.08%+55,688+339.2%Added
Zurcher Kantonalbank (Zurich Cantonalbank)69,649$13.5M0.04%−3,707−5.1%Reduced
Handelsbanken Fonder AB68,502$13.3M0.05%+1,296+1.9%Added
Rhenman & Partners Asset Management AB67,100$13.0M1.06%−17,700−20.9%Reduced
Fisher Asset Management, LLC66,768$12.9M0.01%−1,719−2.5%Reduced
Marshall Wace, LLP66,300$12.9M0.02%+66,300New
Danske Bank A/S65,684$12.7M0.04%+253+0.4%Added
Royal London Asset Management Ltd65,629$12.7M0.03%−3,943−5.7%Reduced
Schroder Investment Management Group64,059$12.5M0.01%+28,079+78.0%Added
AMF Pensionsforsakring AB63,933$12.4M0.09%00.0%Unchanged
ExodusPoint Capital Management, LP62,915$12.2M0.13%+38,059+153.1%Added
Korea Investment CORP62,208$12.1M0.03%−33,209−34.8%Reduced
Twinbeech Capital LP61,264$11.9M0.23%+61,264New
Toronto Dominion Bank60,370$11.7M0.02%−22,878−27.5%Reduced
Guggenheim Capital LLC60,244$11.7M0.08%−2,099−3.4%Reduced
Edmond de Rothschild Holding S.A.60,070$11.6M0.19%−150−0.2%Reduced
UniSuper Management Pty Ltd58,830$11.4M0.09%+1,738+3.0%Added
AXA S.A.57,959$11.2M0.03%−14,043−19.5%Reduced
Skandinaviska Enskilda Banken AB (publ)57,119$11.1M0.05%−25,906−31.2%Reduced
Jump Financial, LLC56,669$11.0M0.23%+48,964+635.5%Added
Martingale Asset Management L P55,772$10.8M0.25%+1,431+2.6%Added
Asset Management One Co.,Ltd.55,355$10.7M0.04%+324+0.6%Added
Storebrand Asset Management AS55,349$10.7M0.03%−2,150−3.7%Reduced
Aquatic Capital Management LLC54,100$10.5M0.27%+54,100New
Tudor Investment Corp Et Al53,711$10.4M0.11%+45,043+519.6%Added
Simplex Trading, LLC53,118$10.3M0.35%+32,405+156.4%Added
State of New Jersey Common Pension Fund D52,984$10.3M0.04%00.0%Unchanged
Public Employees Retirement System of Ohio52,917$10.3M0.04%−6,452−10.9%Reduced
Illinois Municipal Retirement Fund50,015$9.69M0.14%+8,038+19.1%Added
Nisa Investment Advisors, LLC49,793$9.65M0.06%−6,735−11.9%Reduced
AQR Capital Management LLC49,881$9.62M0.01%+26,324+111.7%Added
Nomura Asset Management Co Ltd49,303$9.56M0.03%−6,790−12.1%Reduced
Factory Mutual Insurance Co49,200$9.54M0.10%00.0%Unchanged
STRS Ohio49,000$9.50M0.04%00.0%Unchanged
Centre Asset Management, LLC47,832$9.27M2.00%+47,832New
Ossiam47,710$9.25M0.18%+6,759+16.5%Added
Stifel Financial Corp47,554$9.22M0.01%+868+1.9%Added
Grimes & Company, Inc.47,467$9.20M0.25%−273−0.6%Reduced
Corebridge Financial, Inc.47,202$9.15M0.05%−1,206−2.5%Reduced
Pinebridge Investments, L.P.47,084$9.13M0.07%+35,824+318.2%Added
Resona Asset Management Co.,Ltd.46,102$8.94M0.05%−211−0.5%Reduced
Adage Capital Partners GP, L.L.C.45,799$8.88M0.02%−91,900−66.7%Reduced
Macquarie Group Ltd45,663$8.85M0.01%−10,166−18.2%Reduced
CIBC Asset Management Inc45,184$8.76M0.03%+2,509+5.9%Added
LPL Financial LLC44,391$8.60M0.00%−7,107−13.8%Reduced
Verition Fund Management LLC44,361$8.60M0.06%+27,357+160.9%Added
Assenagon Asset Management S.A.43,349$8.40M0.02%+612+1.4%Added
Jefferies Financial Group Inc.43,027$8.34M0.14%+39,719+1,200.7%Added
Mirae Asset Global Investments Co., Ltd.42,705$8.31M0.04%+7,510+21.3%Added
Nissay Asset Management Corp42,500$8.24M0.05%+2,592+6.5%Added
Gotham Asset Management, LLC42,444$8.23M0.09%+18,887+80.2%Added
Arizona State Retirement System41,721$8.09M0.05%−419−1.0%Reduced
LSV Asset Management41,500$8.04M0.02%+41,500New
Gateway Investment Advisers LLC41,312$8.01M0.09%−77−0.2%Reduced
State of Michigan Retirement System39,703$7.70M0.04%−200−0.5%Reduced
Comerica Bank39,431$7.64M0.03%−1,467−3.6%Reduced
Teacher Retirement System of Texas39,392$7.64M0.04%+5,555+16.4%Added
Altrinsic Global Advisors LLC39,350$7.63M0.32%−1,092−2.7%Reduced
Impax Asset Management Group plc38,810$7.52M0.03%+11,185+40.5%Added
MetLife Investment Management37,874$7.34M0.04%−962−2.5%Reduced
Varma Mutual Pension Insurance Co41,608$7.24M0.06%+1,600+4.0%Added
USS Investment Management Ltd37,082$7.18M0.05%+1,340+3.7%Added
Channing Capital Management, LLC36,974$7.17M0.18%−691−1.8%Reduced
Truist Financial Corp36,746$7.12M0.01%−2,923−7.4%Reduced
Calamos Advisors LLC36,558$7.09M0.03%−897−2.4%Reduced
Oppenheimer Asset Management Inc.35,928$6.96M0.08%−839−2.3%Reduced
China Universal Asset Management Co., Ltd.35,863$6.95M0.77%+15,902+79.7%Added
Hillman Capital Management, Inc.35,253$6.83M2.34%−701−1.9%Reduced
Sector Gamma AS35,166$6.82M2.07%−8,819−20.1%Reduced
Tang Capital Management LLC35,000$6.78M0.48%00.0%Unchanged
Kirr Marbach & Co LLC34,376$6.66M1.49%+144+0.4%Added
IFM Investors Pty Ltd34,013$6.59M0.06%−247−0.7%Reduced
Stoneridge Investment Partners LLC33,799$6.55M2.44%+3,244+10.6%Added
KBC Group NV33,229$6.44M0.02%−8,752−20.8%Reduced
Orion Investment Co32,555$6.31M2.47%−88−0.3%Reduced
Neuberger Berman Group LLC32,099$6.22M0.00%+593+1.9%Added
NorthCrest Asset Manangement, LLC31,858$6.18M0.19%+386+1.2%Added