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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, Q4 2024

Institutional positions in Biogen Inc. as of Dec 31, 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
879
−27 vs. Q3 2024
Shares held
132.4M
+2.79M (+2.2%) vs. Q3 2024
Total value
$20.2B
−$4.80B (−19.2%) vs. Q3 2024
New holders
133
300 more added
Sold out
160
322 more reduced

15 institutions that held it in Q3 2024 haven't filed for Q4 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q3 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 holdersQ4 2024: 879 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 heldQ4 2024: $20.2B
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 20261,046$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, Q4 2024

Shares, value and share of portfolio for each institution holding Biogen Inc.; share changes are against Q3 2024.

Institutions holding BIIB in Q4 2024
InstitutionSharesValue% of portfolioChange in sharesAction
TD Private Client Wealth LLC52$7.95K0.00%−333−86.5%Reduced
Meeder Asset Management Inc54$8.26K0.00%−900−94.3%Reduced
High Note Wealth, LLC57$8.68K0.00%+57New
AdvisorNet Financial, Inc62$9.48K0.00%−14−18.4%Reduced
MV Capital Management, Inc.63$9.63K0.00%−9−12.5%Reduced
New England Capital Financial Advisors LLC63$9.63K0.00%00.0%Unchanged
Rakuten Securities, Inc.63$9.63K0.00%+18+40.0%Added
First Community Trust NA65$9.94K0.01%00.0%Unchanged
Future Financial Wealth Managment LLC65$9.94K0.01%00.0%Unchanged
EnRich Financial Partners LLC66$10.1K0.00%00.0%Unchanged
West Paces Advisors Inc.70$10.7K0.00%00.0%Unchanged
Raleigh Capital Management Inc.71$10.9K0.00%+17+31.5%Added
Point72 (DIFC) Ltd71$10.9K0.00%+71New
Hemington Wealth Management72$11.0K0.00%−10−12.2%Reduced
True Wealth Design, LLC74$11.3K0.00%+70+1,750.0%Added
Webster Bank, N. A.75$11.5K0.00%00.0%Unchanged
Independence Bank of Kentucky75$11.5K0.00%00.0%Unchanged
Cetera Trust Company, N.A75$11.5K0.01%00.0%Unchanged
Truvestments Capital LLC76$11.6K0.00%+40+111.1%Added
Adirondack Trust Co80$12.2K0.00%00.0%Unchanged
Union Bancaire Privee, UBP SA82$12.3K0.00%+82New
Tompkins Financial Corp81$12.4K0.00%00.0%Unchanged
Hara Capital LLC84$12.8K0.01%−1,090−92.8%Reduced
Centerpoint Advisors, LLC83$13.0K0.00%−84−50.3%Reduced
Cullen/Frost Bankers, Inc.86$13.2K0.00%+36+72.0%Added
Addison Advisors LLC86$13.2K0.00%+86New
Private Wealth Management Group, LLC87$13.3K0.01%−19−17.9%Reduced
Geneos Wealth Management Inc.88$13.5K0.00%−9−9.3%Reduced
Creative Capital Management Investments LLC92$14.1K0.01%00.0%Unchanged
VSM Wealth Advisory, LLC92$14.1K0.01%+92New
WealthCollab, LLC95$14.5K0.01%+73+331.8%Added
CKW Financial Group100$15.0K0.00%00.0%Unchanged
First Horizon Advisors, Inc.100$15.3K0.00%−82−45.1%Reduced
Broadwater Capital Management LLC100$15.3K0.01%−40−28.6%Reduced
Delta Asset Management LLC100$15.3K0.00%00.0%Unchanged
Pension & Wealth Management Advisors, Inc.100$15.3K0.01%+100New
Medallion Wealth Advisors, LLC115$15.7K0.01%+115New
Asset Dedication, LLC104$15.9K0.00%−40−27.8%Reduced
Smithfield Trust Co104$16.0K0.00%00.0%Unchanged
Venturi Wealth Management, LLC107$16.4K0.00%−112−51.1%Reduced
Assetmark, Inc108$16.5K0.00%+79+272.4%Added
Sittner & Nelson, LLC110$16.8K0.01%00.0%Unchanged
Kestra Investment Management, LLC110$16.8K0.00%+110New
Nelson, Van Denburg & Campbell Wealth Management Group, LLC111$17.0K0.00%+10+9.9%Added
GW&K Investment Management, LLC112$17.0K0.00%+59+111.3%Added
Catalyst Capital Advisors LLC114$17.4K0.00%−485−81.0%Reduced
Global Retirement Partners, LLC114$17.4K0.00%−193−62.9%Reduced
Concord Wealth Partners114$17.4K0.00%+78+216.7%Added
Sandy Spring Bank115$17.6K0.00%−10−8.0%Reduced
Grove Bank & Trust125$19.1K0.00%+21+20.2%Added
Spire Wealth Management126$19.2K0.00%−129−50.6%Reduced
Rise Advisors, LLC126$19.3K0.01%00.0%Unchanged
Asset Planning,Inc126$19.3K0.01%+126New
Mattson Financial Services, LLC100$19.4K0.01%+100New
Private Trust Co NA131$20.0K0.00%−120−47.8%Reduced
CVA Family Office, LLC135$20.6K0.00%+20+17.4%Added
Ransom Advisory, Ltd140$21.4K0.01%−150−51.7%Reduced
Bartlett & Co. Wealth Management LLC140$21.4K0.00%00.0%Unchanged
Caitong International Asset Management Co., Ltd148$22.6K0.02%+148New
Mountain Hill Investment Partners Corp.150$22.9K0.02%+150New
Dunhill Financial, LLC152$23.3K0.01%+50+49.0%Added
Lee Danner & Bass Inc161$24.6K0.00%+161New
Trust Co163$24.9K0.00%00.0%Unchanged
Larson Financial Group LLC163$24.9K0.00%+141+640.9%Added
Principia Wealth Advisory, LLC169$25.8K0.02%+169New
Central Trust Co173$26.5K0.00%−60−25.8%Reduced
Colonial Trust Co188$28.7K0.00%+186+9,300.0%Added
Cary Street Partner Investment Advisory LLC195$29.8K0.02%−1,706−89.7%Reduced
Rothschild Investment LLC199$30.4K0.00%+136+215.9%Added
Bogart Wealth, LLC209$32.0K0.00%00.0%Unchanged
Montag A & Associates Inc209$32.0K0.00%00.0%Unchanged
Capital Advisors, Ltd. LLC210$32.0K0.00%+43+25.7%Added
Ofi Invest Asset Management219$32.3K0.00%+219New
Harbour Investments, Inc.212$32.4K0.00%+41+24.0%Added
Pflug Koory, LLC214$32.7K0.02%−40−15.7%Reduced
SRS Capital Advisors, Inc.215$32.9K0.00%+215New
Kiely Wealth Advisory Group, Inc.247$35.2K0.02%00.0%Unchanged
Umb Bank N A251$38.4K0.00%−174−40.9%Reduced
Golden State Wealth Management, LLC265$40.5K0.01%+265New
Massmutual Trust Co FSB272$41.6K0.00%−104−27.7%Reduced
Itau Unibanco Holding S.A.276$42.2K0.00%+45+19.5%Added
Financial Gravity Companies, Inc.295$45.1K0.01%+295New
Quent Capital, LLC298$45.6K0.00%+72+31.9%Added
Newbridge Financial Services Group, Inc.300$45.9K0.01%00.0%Unchanged
Vermillion Wealth Management, Inc.300$45.9K0.02%+300New
Hopwood Financial Services, Inc.300$45.9K0.03%+300New
CoreFirst Bank & Trust304$46.5K0.03%00.0%Unchanged
Washington Trust Co312$47.7K0.00%00.0%Unchanged
MCF Advisors LLC324$49.5K0.00%−6−1.8%Reduced
Covestor Ltd325$50.0K0.03%+240+282.4%Added
Optimum Investment Advisors335$51.2K0.02%00.0%Unchanged
Principal Securities, Inc.337$51.5K0.00%+78+30.1%Added
Cromwell Holdings LLC343$52.5K0.03%+49+16.7%Added
FSA Wealth Management LLC344$52.6K0.02%−40−10.4%Reduced
Wingate Wealth Advisors, Inc.350$53.5K0.05%+350New
Armstrong Advisory Group, Inc356$54.4K0.00%00.0%Unchanged
Penserra Capital Management LLC382$57.0K0.00%+370+3,083.3%Added
GAMMA Investing LLC398$60.9K0.01%−428−51.8%Reduced
Versant Capital Management, Inc401$61.3K0.01%+279+228.7%Added
Key Financial Inc406$62.1K0.01%00.0%Unchanged