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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, Q4 2023

Institutional positions in Biogen Inc. as of Dec 31, 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
1,005
+56 vs. Q3 2023
Shares held
128.7M
+4.02M (+3.2%) vs. Q3 2023
Total value
$33.3B
+$1.22B (+3.8%) vs. Q3 2023
New holders
137
287 more added
Sold out
81
373 more reduced

17 institutions that held it in Q3 2023 haven't filed for Q4 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q3 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 holdersQ4 2023: 1,005 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 heldQ4 2023: $33.3B
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, Q4 2023

Shares, value and share of portfolio for each institution holding Biogen Inc.; share changes are against Q3 2023.

Institutions holding BIIB in Q4 2023
InstitutionSharesValue% of portfolioChange in sharesAction
PAX Financial Group, LLC1,797$431.8K0.09%+220+14.0%Added
Plancorp, LLC1,669$431.9K0.02%+123+8.0%Added
Meiji Yasuda Asset Management Co Ltd.1,671$432.4K0.02%−465−21.8%Reduced
Verdence Capital Advisors LLC1,674$433.2K0.04%+27+1.6%Added
Resources Investment Advisors, LLC.1,683$435.5K0.01%+505+42.9%Added
Meeder Advisory Services, Inc.1,688$436.8K0.05%−6−0.4%Reduced
Headlands Technologies LLC1,693$438.1K0.13%+1,693New
Maven Securities LTD1,709$442.2K0.05%+1,709New
Bank Julius Baer & Co. Ltd, Zurich1,712$443.1K0.00%+53+3.2%Added
Eudaimonia Partners, LLC1,722$445.6K0.12%−66−3.7%Reduced
Armstrong, Fleming & Moore, Inc1,733$448.6K0.34%00.0%Unchanged
Wynn Capital, LLC1,758$454.9K0.37%+1,758New
Mission Wealth Management, LP1,760$455.3K0.02%−16−0.9%Reduced
Garda Capital Partners LP1,761$455.7K0.23%+965+121.2%Added
IFG Advisory, LLC1,779$460.4K0.03%+93+5.5%Added
Evergreen Wealth Solutions, LLC1,794$464.2K0.40%−303−14.4%Reduced
Steward Partners Investment Advisory, LLC1,800$465.8K0.01%−9,400−83.9%Reduced
Prelude Capital Management, LLC1,800$465.8K0.04%−4,097−69.5%Reduced
Connectus Wealth, LLC1,814$469.4K0.01%−300−14.2%Reduced
Central Bank & Trust Co1,826$472.5K0.07%−246−11.9%Reduced
Clearstead Advisors, LLC1,828$473.0K0.03%+114+6.7%Added
Cary Street Partner Investment Advisory LLC1,833$474.3K0.02%−122−6.2%Reduced
Rock Point Advisors, LLC1,840$476.1K0.14%00.0%Unchanged
Veriti Management LLC1,841$476.4K0.04%+167+10.0%Added
International Assets Investment Management, LLC1,843$476.9K0.06%−78−4.1%Reduced
Morningstar Investment Management LLC1,865$483.0K0.06%−10−0.5%Reduced
Morningstar Investment Services LLC1,856$484.0K0.00%+1,023+122.8%Added
Regions Financial Corp1,873$484.7K0.00%−66−3.4%Reduced
Parallel Advisors, LLC1,901$491.9K0.01%−33−1.7%Reduced
Fox Hill Wealth Management1,904$492.7K0.38%+1,904New
AE Wealth Management LLC2,014$493.1K0.00%+348+20.9%Added
Forbes J M & Co LLP1,908$493.7K0.06%00.0%Unchanged
Acadian Asset Management LLC1,927$497.0K0.00%−11,398−85.5%Reduced
Legacy Wealth Asset Management, LLC1,921$497.1K0.16%−10−0.5%Reduced
Proathlete Wealth Management LLC1,924$497.9K0.29%+1,924New
Westpac Banking Corp1,925$498.1K0.04%+270+16.3%Added
Flputnam Investment Management Co1,931$499.7K0.01%−185−8.7%Reduced
Arden Trust Co1,936$501.0K0.07%−449−18.8%Reduced
Humankind Investments LLC1,940$502.0K0.15%+346+21.7%Added
Eqis Capital Management, Inc.1,943$502.7K0.04%−184−8.7%Reduced
Intrust Bank NA1,958$506.7K0.06%+121+6.6%Added
Alliance Wealth Advisors, LLC1,961$507.3K0.17%+32+1.7%Added
Wedmont Private Capital1,967$507.4K0.04%+743+60.7%Added
Machina Capital S.A.S.1,976$511.3K0.33%+969+96.2%Added
Corton Capital Inc.1,978$511.8K0.16%+711+56.1%Added
Heritage Wealth Advisors2,000$517.5K0.03%00.0%Unchanged
PKO Investment Management Joint-Stock Co2,000$517.5K0.06%00.0%Unchanged
Camelot Portfolios, LLC2,000$517.5K0.31%+900+81.8%Added
Northwest & Ethical Investments L.P.2,000$517.5K0.02%+2,000New
Capital Investment Advisors, LLC2,002$518.1K0.01%−3−0.1%Reduced
Integrated Wealth Concepts LLC2,014$521.2K0.01%−315−13.5%Reduced
Tritonpoint Wealth, LLC2,023$523.5K0.05%+2,023New
Hancock Whitney Corp2,027$524.5K0.02%−141−6.5%Reduced
Estabrook Capital Management2,033$526.1K0.09%00.0%Unchanged
Quantinno Capital Management LP2,050$530.0K0.02%−4,106−66.7%Reduced
Jupiter Wealth Management LLC2,050$530.5K0.31%−400−16.3%Reduced
Johnson Investment Counsel Inc2,055$531.8K0.01%+144+7.5%Added
Financial Advisory Corp2,062$534.0K0.24%+480+30.3%Added
Kornitzer Capital Management Inc2,075$536.9K0.01%+625+43.1%Added
Berkshire Asset Management LLC2,077$537.5K0.03%−33−1.6%Reduced
D.A. Davidson & Co.2,085$539.5K0.01%−740−26.2%Reduced
Moran Wealth Management, LLC2,102$543.9K0.02%+2,102New
Westside Investment Management, Inc.2,104$544.5K0.14%00.0%Unchanged
Israel Discount Bank of New York2,126$550.1K0.43%−84−3.8%Reduced
Avestar Capital, LLC2,137$553.0K0.07%+105+5.2%Added
Burney Co2,141$554.0K0.02%−260−10.8%Reduced
Fayez Sarofim & Co2,300$554.3K0.00%00.0%Unchanged
Evercore Wealth Management, LLC2,150$556.4K0.01%−10−0.5%Reduced
Greenleaf Trust2,155$557.6K0.01%+365+20.4%Added
Navellier & Associates Inc2,164$560.0K0.08%00.0%Unchanged
Signaturefd, LLC2,169$561.3K0.01%−37−1.7%Reduced
Kennedy Investment Group2,181$564.4K0.32%00.0%Unchanged
Trust Co of Vermont2,194$567.7K0.04%−74−3.3%Reduced
Auxano Advisors, LLC2,196$568.3K0.19%+20+0.9%Added
Fuller & Thaler Asset Management, Inc.2,198$568.8K0.00%+622+39.5%Added
Wrapmanager Inc2,240$579.6K0.17%−192−7.9%Reduced
Inspire Trust Co, N.A.2,275$588.7K0.61%+2,275New
Coldstream Capital Management Inc2,282$590.5K0.02%+333+17.1%Added
Sawtooth Solutions, LLC2,291$592.8K0.02%+270+13.4%Added
Bleakley Financial Group, LLC2,291$592.8K0.02%+270+13.4%Added
Vanguard Capital Wealth Advisors2,300$595.2K0.48%00.0%Unchanged
Intact Investment Management Inc.2,300$595.2K0.02%+2,300New
Huntington National Bank2,303$595.9K0.01%−319−12.2%Reduced
Advisory Services Network, LLC2,355$609.4K0.01%−860−26.7%Reduced
Savant Capital, LLC2,369$613.0K0.01%+156+7.0%Added
Wealthspire Advisors, LLC2,380$615.9K0.01%+11+0.5%Added
Prospera Financial Services Inc2,391$618.7K0.02%+1,248+109.2%Added
Pictet & Cie (Europe) SA2,396$620.0K0.02%00.0%Unchanged
TFB Advisors LLC2,400$621.0K0.32%−44−1.8%Reduced
Triangle Securities Wealth Management2,400$621.0K0.19%00.0%Unchanged
Wahed Invest LLC2,405$622.3K0.17%+146+6.5%Added
Oracle Investment Management Inc2,412$624.2K0.68%00.0%Unchanged
BancorpSouth Bank2,417$625.4K0.05%00.0%Unchanged
Tevis Investment Management2,437$630.6K0.58%−3−0.1%Reduced
MMBG Investment Advisors Co.2,450$634.0K0.07%00.0%Unchanged
Three Bridge Wealth Advisors, LLC2,451$634.2K0.22%−769−23.9%Reduced
STF Management LP2,460$636.6K0.30%+91+3.8%Added
Inceptionr LLC2,469$638.9K0.46%−898−26.7%Reduced
NJ State Employees Deferred Compensation Plan2,500$646.9K0.09%00.0%Unchanged
Empowered Funds, LLC2,507$648.7K0.02%+585+30.4%Added