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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 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: 1,046 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 20261,046$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 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
Clear Street Markets LLC500$97.0K0.06%+481+2,531.6%Added
Twin Lakes Capital Management, LLC511$99.1K0.06%00.0%Unchanged
Capital Analysts, LLC516$100.0K0.00%00.0%Unchanged
MEAG MUNICH ERGO, Kapitalanlagegesellschaft mbH518$100.4K0.00%+518New
Richardson Financial Services Inc.437$101.3K0.06%00.0%Unchanged
Hanson & Doremus Investment Management525$102.0K0.02%00.0%Unchanged
Cassady Schiller Wealth Management, LLC546$105.8K0.04%00.0%Unchanged
Horizon Bancorp Inc546$106.0K0.05%−32−5.5%Reduced
Ronald Blue Trust, Inc.472$109.4K0.00%+294+165.2%Added
Salem Investment Counselors Inc567$109.9K0.00%00.0%Unchanged
Lindbrook Capital, LLC592$114.8K0.01%−135−18.6%Reduced
Tidemark, LLC592$114.8K0.05%+592New
Catalyst Capital Advisors LLC599$116.1K0.00%+457+321.8%Added
Catalyst Funds Management Pty Ltd600$116.3K0.03%+600New
Towarzystwo Funduszy Inwestycyjnych Pzu SA630$122.1K0.04%+105+20.0%Added
GHP Investment Advisors, Inc.638$123.7K0.01%−2,110−76.8%Reduced
Reuter James Wealth Management, LLC648$125.6K0.02%−281−30.2%Reduced
Oakworth Capital, Inc.659$127.7K0.01%00.0%Unchanged
NBT Bank N A665$128.9K0.01%+665New
Caldwell Trust Co668$129.5K0.01%−25−3.6%Reduced
Sentry Investment Management LLC685$133.0K0.06%+263+62.3%Added
Baldwin Brothers Inc695$134.7K0.01%00.0%Unchanged
BNP Paribas700$136.0K0.01%00.0%Unchanged
Quintet Private Bank (Europe) S.A.710$137.6K0.01%+63+9.7%Added
IFP Advisors, Inc750$145.4K0.01%+13+1.8%Added
Bryn Mawr Trust Co773$149.8K0.00%+773New
Quantbot Technologies LP778$150.8K0.01%+778New
Centennial Bank800$155.1K0.07%00.0%Unchanged
GPS Wealth Strategies Group, LLC807$156.4K0.02%−30−3.6%Reduced
Pin Oak Investment Advisors Inc820$158.0K0.14%00.0%Unchanged
GAMMA Investing LLC826$160.1K0.02%−437−34.6%Reduced
City State Bank892$172.9K0.06%+160+21.9%Added
TCTC Holdings, LLC900$174.5K0.01%00.0%Unchanged
Manchester Capital Management LLC908$176.0K0.02%+7+0.8%Added
Acima Private Wealth, LLC916$177.6K0.06%00.0%Unchanged
Eastern Bank924$179.1K0.00%+924New
Mascoma Wealth Management LLC925$179.3K0.04%00.0%Unchanged
Legacy Bridge, LLC940$182.2K0.10%00.0%Unchanged
Meeder Asset Management Inc954$184.9K0.01%−319−25.1%Reduced
Alpine Bank Wealth Management1,003$194.4K0.03%+1,003New
JNBA Financial Advisors1,016$196.9K0.02%−55−5.1%Reduced
Investors Asset Management of Georgia Inc1,032$200.0K0.09%00.0%Unchanged
Waldron Private Wealth LLC1,035$200.6K0.01%−106−9.3%Reduced
Intact Investment Management Inc.1,040$201.6K0.01%−2,490−70.5%Reduced
Central Bank & Trust Co1,045$202.6K0.03%00.0%Unchanged
Prospera Financial Services Inc1,048$203.1K0.01%−424−28.8%Reduced
Conning Inc.1,066$206.6K0.01%−7−0.7%Reduced
Trust Co of Vermont1,069$207.2K0.01%00.0%Unchanged
Bleakley Financial Group, LLC1,073$208.0K0.01%−759−41.4%Reduced
Brevan Howard Capital Management LP1,074$208.2K0.01%+1,074New
McIntyre Freedman & Flynn Investment Advisers Inc1,089$211.1K0.15%00.0%Unchanged
Pitcairn Co1,099$213.0K0.01%−317−22.4%Reduced
Wedbush Securities Inc1,103$214.0K0.01%−338−23.5%Reduced
Callan Capital, LLC1,105$214.2K0.01%−2,116−65.7%Reduced
Waters Parkerson & Co., LLC1,113$216.0K0.01%00.0%Unchanged
Moors & Cabot, Inc.1,120$217.1K0.01%−10−0.9%Reduced
Independent Financial Group, LLC1,135$220.0K0.01%+15+1.3%Added
Resources Investment Advisors, LLC.1,137$220.4K0.00%−243−17.6%Reduced
NewEdge Wealth, LLC1,142$221.4K0.00%−219−16.1%Reduced
Nwam LLC1,152$223.3K0.01%−173−13.1%Reduced
Magnetar Financial LLC1,160$224.9K0.00%+1,160New
Sound View Wealth Advisors Group, LLC1,164$225.6K0.02%+1,164New
Culbertson A N & Co Inc1,165$225.8K0.04%00.0%Unchanged
Intrust Bank NA1,167$226.2K0.02%−424−26.6%Reduced
Kapitalo Investimentos Ltda1,173$227.4K0.06%+1,173New
Hara Capital LLC1,174$227.6K0.14%00.0%Unchanged
Bell Bank1,175$227.8K0.03%00.0%Unchanged
Allworth Financial LP1,181$228.9K0.00%+135+12.9%Added
Boltwood Capital Management1,197$232.0K0.07%−7−0.6%Reduced
Sompo Asset Management Co., Ltd.1,200$232.6K0.04%−260−17.8%Reduced
Argent Trust Co1,200$232.6K0.01%−151−11.2%Reduced
Insigneo Advisory Services, LLC1,207$234.0K0.02%−647−34.9%Reduced
Wedmont Private Capital1,278$234.3K0.01%−1,373−51.8%Reduced
Veriti Management LLC1,213$235.1K0.01%−1,533−55.8%Reduced
Vident Advisory, LLC1,220$236.5K0.01%−504−29.2%Reduced
Baker Avenue Asset Management, LP1,241$240.6K0.01%+1,241New
Headlands Technologies LLC1,248$241.9K0.03%+1,248New
MBB Public Markets I LLC1,260$244.2K0.02%−9,195−87.9%Reduced
Grandfield & Dodd, LLC1,261$244.4K0.01%+62+5.2%Added
We Are One Seven, LLC1,274$247.1K0.01%+1,274New
Equitable Holdings, Inc.1,275$247.1K0.00%−2−0.2%Reduced
Moneta Group Investment Advisors LLC1,291$250.2K0.00%+1,291New
Cidel Asset Management Inc1,321$256.1K0.02%+101+8.3%Added
Israel Discount Bank of New York1,323$256.4K0.38%+82+6.6%Added
Chiron Capital Management, LLC1,325$256.8K0.23%+1,325New
Cornell Pochily Investment Advisors, Inc.1,336$259.0K0.09%−30−2.2%Reduced
Spirepoint Private Client, LLC1,349$261.5K0.03%00.0%Unchanged
Chicago Partners Investment Group LLC1,430$261.7K0.01%+22+1.6%Added
Syon Capital LLC1,357$263.0K0.02%−410−23.2%Reduced
Whittier Trust Co1,368$265.2K0.00%−215−13.6%Reduced
HB Wealth Management, LLC1,376$266.7K0.00%−607−30.6%Reduced
Mengis Capital Management, Inc.1,380$267.5K0.05%−1,200−46.5%Reduced
Beacon Pointe Advisors, LLC1,388$269.1K0.00%−285−17.0%Reduced
HighPoint Advisor Group LLC1,553$269.9K0.02%−346−18.2%Reduced
Flagship Harbor Advisors, LLC1,398$271.0K0.01%−160−10.3%Reduced
Platform Technology Partners1,403$272.0K0.09%−19−1.3%Reduced
NorthRock Partners, LLC1,406$272.5K0.01%−189−11.8%Reduced
Virtus ETF Advisers LLC1,408$272.9K0.13%00.0%Unchanged
AIA Group Ltd1,411$273.5K0.01%+135+10.6%Added
Clearstead Advisors, LLC1,420$275.3K0.00%−37−2.5%Reduced