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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, Q3 2023

Institutional positions in Biogen Inc. as of Sep 30, 2023. 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
966
−27 vs. Q2 2023
Shares held
125.0M
−292.7K (−0.2%) vs. Q2 2023
Total value
$32.2B
−$3.51B (−9.8%) vs. Q2 2023
New holders
91
333 more added
Sold out
118
346 more reduced

16 institutions that held it in Q2 2023 haven't filed for Q3 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q2 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 holdersQ3 2023: 966 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 2023: $32.2B
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 2023

Shares, value and share of portfolio for each institution holding Biogen Inc.; share changes are against Q2 2023.

Institutions holding BIIB in Q3 2023
InstitutionSharesValue% of portfolioChange in sharesAction
Harvest Volatility Management LLC0$00.00%−4,461−100.0%Sold out
Veritable, L.P.0$00.00%−4,295−100.0%Sold out
Stoneridge Investment Partners LLC0$00.00%−4,160−100.0%Sold out
HRT Financial LP0$00.00%−3,896−100.0%Sold out
Holocene Advisors, LP0$00.00%−3,791−100.0%Sold out
ISAM Funds (UK) Ltd0$00.00%−3,402−100.0%Sold out
Bank of Hawaii0$00.00%−3,390−100.0%Sold out
Monetta Financial Services Inc0$00.00%−3,300−100.0%Sold out
Advanced Portfolio Management, LLC0$00.00%−3,149−100.0%Sold out
Simplify Asset Management Inc.0$00.00%−2,989−100.0%Sold out
Nomura Holdings Inc0$00.00%−2,769−100.0%Sold out
Fox Run Management, L.L.C.0$00.00%−2,380−100.0%Sold out
Cookson Peirce & Co Inc0$00.00%−2,312−100.0%Sold out
Empirical Financial Services, LLC d.b.a. Empirical Wealth Management0$00.00%−2,306−100.0%Sold out
Aigen Investment Management, LP0$00.00%−2,240−100.0%Sold out
Woodline Partners LP0$00.00%−2,213−100.0%Sold out
Stevens Capital Management LP0$00.00%−2,198−100.0%Sold out
Phoenix Holdings Ltd.0$00.00%−2,194−100.0%Sold out
Jump Financial, LLC0$00.00%−2,135−100.0%Sold out
Echo Street Capital Management LLC0$00.00%−1,887−100.0%Sold out
SkyView Investment Advisors, LLC0$00.00%−1,859−100.0%Sold out
AustralianSuper Pty Ltd0$00.00%−1,819−100.0%Sold out
Intact Investment Management Inc.0$00.00%−1,700−100.0%Sold out
Pzena Investment Management LLC0$00.00%−1,618−100.0%Sold out
SRB Corp0$00.00%−1,418−100.0%Sold out
Onyx Bridge Wealth Group LLC0$00.00%−1,360−100.0%Sold out
Levin Capital Strategies, L.P.0$00.00%−1,318−100.0%Sold out
Quantamental Technologies LLC0$00.00%−1,316−100.0%Sold out
Two Sigma Securities, LLC0$00.00%−1,314−100.0%Sold out
Alps Advisors Inc0$00.00%−1,240−100.0%Sold out
Cutler Group LP0$00.00%−1,106−100.0%Sold out
Kingsview Wealth Management, LLC0$00.00%−1,101−100.0%Sold out
Dynamic Technology Lab Private Ltd0$00.00%−1,066−100.0%Sold out
Los Angeles Capital Management LLC0$00.00%−1,014−100.0%Sold out
Twin Focus Capital Partners, LLC0$00.00%−999−100.0%Sold out
Maverick Capital LtdSuperinvestorMaverick Capital0$00.00%−983−100.0%Sold out
Pinkerton Retirement Specialists, LLC0$00.00%−976−100.0%Sold out
Bridgefront Capital, LLC0$00.00%−975−100.0%Sold out
ProVise Management Group, LLC0$00.00%−939−100.0%Sold out
Gitterman Wealth Management, LLC0$00.00%−932−100.0%Sold out
Capula Management Ltd0$00.00%−920−100.0%Sold out
Denali Advisors LLC0$00.00%−900−100.0%Sold out
ARS Wealth Advisors Group, LLC0$00.00%−846−100.0%Sold out
Capital Advisors Inc0$00.00%−837−100.0%Sold out
NBT Bank N A0$00.00%−829−100.0%Sold out
GW Henssler & Associates Ltd0$00.00%−826−100.0%Sold out
Perigon Wealth Management, LLC0$00.00%−787−100.0%Sold out
Great Lakes Advisors, LLC0$00.00%−777−100.0%Sold out
Pinnacle Wealth Planning Services, Inc.0$00.00%−771−100.0%Sold out
Miracle Mile Advisors, LLC0$00.00%−769−100.0%Sold out
Kestra Private Wealth Services, LLC0$00.00%−761−100.0%Sold out
Tilt Investment Management Holdings, PBC0$00.00%−751−100.0%Sold out
Lowe Brockenbrough & Co Inc0$00.00%−750−100.0%Sold out
Capital Investment Advisory Services, LLC0$00.00%−747−100.0%Sold out
Joel Isaacson & Co., LLC0$00.00%−744−100.0%Sold out
Fukoku Mutual Life Insurance Co0$00.00%−730−100.0%Sold out
Wexford Capital LP0$00.00%−725−100.0%Sold out
Tiemann Investment Advisors, LLC0$00.00%−720−100.0%Sold out
Vise Technologies, Inc.0$00.00%−716−100.0%Sold out
CX Institutional0$00.00%−712−100.0%Sold out
Probity Advisors, Inc.0$00.00%−708−100.0%Sold out
Intelligence Driven Advisers, LLC0$00.00%−705−100.0%Sold out
LFA - Lugano Financial Advisors SA0$00.00%−371−100.0%Sold out
State of Wyoming0$00.00%−368−100.0%Sold out
C M Bidwell & Associates Ltd0$00.00%−348−100.0%Sold out
Disciplined Investments, LLC0$00.00%−295−100.0%Sold out
Harel Insurance Investments & Financial Services Ltd.0$00.00%−255−100.0%Sold out
West Tower Group, LLC0$00.00%−200−100.0%Sold out
CVA Family Office, LLC0$00.00%−115−100.0%Sold out
WealthPLAN Partners, LLC0$00.00%−77−100.0%Sold out
O'Dell Group, LLC0$00.00%−64−100.0%Sold out
South State Corp.0$00.00%−45−100.0%Sold out
Okabena Investment Services Inc0$00.00%−40−100.0%Sold out
Blume Capital Management, Inc.0$00.00%−25−100.0%Sold out
Bollard Group LLC0$00.00%−15−100.0%Sold out
Loomis Sayles & Co L P0$00.00%−11−100.0%Sold out
Dividend Assets Capital, LLC0$00.00%−11−100.0%Sold out
Adirondack Retirement Specialists, Inc.0$00.00%−7−100.0%Sold out
Carmel Capital Partners, LLC0$00.00%−7−100.0%Sold out
Timber Creek Capital Management LLC0$00.00%−4−100.0%Sold out
PrairieView Partners, LLC0$00.00%−6−100.0%Sold out
Crewe Advisors LLC0$00.00%−2−100.0%Sold out
25 LLC0$00.00%−2−100.0%Sold out
Valley National Advisers Inc0$00.00%−1−100.0%Sold out
Pictet Asset Management SA––––Not filed
Tekla Capital Management LLC––––Not filed
PFS Investments Inc.––––Not filed
BFT Financial Group, LLC––––Not filed
Tiaa, FSB––––Not filed
Northwest Bank & Trust Co––––Not filed
First Capital Advisors Group, LLC.––––Not filed
Heron Financial Group, LLC––––Not filed
EA Series Trust––––Not filed
Intercontinental Wealth Advisors, LLC––––Not filed
Relaxing Retirement Coach––––Not filed
BDO Wealth Advisors, LLC––––Not filed
Kistler-Tiffany Companies, LLC––––Not filed
Lumature Wealth Partners, LLC––––Not filed
Lansing Street Advisors––––Not filed
Coastal Capital Group, Inc.––––Not filed