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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 2021

Institutional positions in Biogen Inc. as of Dec 31, 2021. 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
1,014
−7 vs. Q3 2021
Shares held
123.9M
+172.9K (+0.1%) vs. Q3 2021
Total value
$29.7B
−$5.31B (−15.2%) vs. Q3 2021
New holders
146
295 more added
Sold out
153
395 more reduced

23 institutions that held it in Q3 2021 haven't filed for Q4 2021 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q3 2021: 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 2021: 1,014 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 2021: $29.7B
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 2021

Shares, value and share of portfolio for each institution holding Biogen Inc.; share changes are against Q3 2021.

Institutions holding BIIB in Q4 2021
InstitutionSharesValue% of portfolioChange in sharesAction
Vantage Consulting Group Inc1,118$268.0K0.07%+305+37.5%Added
Syntax Advisors, LLC1,118$268.0K0.20%+1,118New
MAI Capital Management1,122$269.0K0.00%−86−7.1%Reduced
Lincoln National Corp1,121$269.0K0.01%+36+3.3%Added
Veriti Management LLC1,127$270.0K0.03%−119−9.6%Reduced
Waldron Private Wealth LLC1,127$270.0K0.01%−47−4.0%Reduced
Bell Bank1,125$270.0K0.03%00.0%Unchanged
Defined Wealth Management, LLC1,139$273.0K0.22%00.0%Unchanged
Washington Trust Advisors, Inc.1,151$276.0K0.02%+1,151New
Independent Financial Group, LLC1,153$276.6K0.02%+400+53.1%Added
Tributary Capital Management, LLC1,160$278.0K0.02%−40−3.3%Reduced
Avantax Advisory Services, Inc.1,163$279.0K0.00%−1,012−46.5%Reduced
Empirical Asset Management, LLC1,171$281.0K0.27%+1,171New
LGL Partners, LLC1,174$282.0K0.03%00.0%Unchanged
Kestra Private Wealth Services, LLC1,176$282.0K0.01%+33+2.9%Added
Choate Investment Advisors1,186$285.0K0.02%−520−30.5%Reduced
Marcum Wealth, LLC1,188$285.0K0.04%−108−8.3%Reduced
Aquatic Capital Management LLC1,200$288.0K0.56%+1,200New
Triad Financial Advisors, Inc.1,200$288.0K0.17%+1,200New
Naples Global Advisors, LLC1,210$290.0K0.03%00.0%Unchanged
Beaumont Asset Management, L.L.C.1,222$293.0K0.20%+81+7.1%Added
Clearstead Advisors, LLC1,227$294.0K0.02%+213+21.0%Added
LS Investment Advisors, LLC1,228$295.0K0.04%00.0%Unchanged
Private Trust Co NA1,232$296.0K0.04%−91−6.9%Reduced
Investors Asset Management of Georgia Inc1,232$296.0K0.14%00.0%Unchanged
Meristem Family Wealth, LLC1,233$296.0K0.03%+13+1.1%Added
Tradewinds, LLC.1,144$296.0K0.35%+1,144New
Engineers Gate Manager LP1,241$298.0K0.01%−1,474−54.3%Reduced
Founders Financial Alliance, LLC1,244$298.0K0.12%+1,244New
JNBA Financial Advisors1,246$299.0K0.04%−5−0.4%Reduced
BBR Partners, LLC1,287$309.0K0.04%00.0%Unchanged
Grace Capital1,300$312.0K0.19%00.0%Unchanged
Clark Capital Management Group, Inc.1,300$312.0K0.00%+1,300New
Ritholtz Wealth Management1,305$313.0K0.02%−936−41.8%Reduced
Clarius Group, LLC1,309$314.0K0.02%−253−16.2%Reduced
Forum Financial Management, LP1,307$314.0K0.02%+1,307New
Ballentine Partners, LLC1,323$317.0K0.01%+172+14.9%Added
Platform Technology Partners1,327$318.0K0.14%−159−10.7%Reduced
Phoenix Holdings Ltd.1,332$319.0K0.01%−202−13.2%Reduced
State of Wyoming1,329$319.0K0.15%+309+30.3%Added
Benjamin F. Edwards & Company, Inc.1,349$324.0K0.01%−1,143−45.9%Reduced
Balasa Dinverno & Foltz LLC1,353$325.0K0.02%−960−41.5%Reduced
Bowling Portfolio Management LLC1,371$329.0K0.07%00.0%Unchanged
CIBC Private Wealth Group, LLC1,374$330.0K0.00%+4+0.3%Added
Retirement Capital Strategies1,380$331.0K0.12%00.0%Unchanged
Jump Financial, LLC1,384$332.0K0.02%+1,384New
SeaCrest Wealth Management, LLC1,395$335.0K0.04%−957−40.7%Reduced
Sentry Investment Management LLC1,398$335.0K0.09%+154+12.4%Added
TCTC Holdings, LLC1,400$336.0K0.01%00.0%Unchanged
Parkside Financial Bank & Trust1,403$337.0K0.08%+3+0.2%Added
Signature Wealth Management Partners, LLC1,408$338.0K0.29%−950−40.3%Reduced
Valeo Financial Advisors, LLC1,409$338.0K0.02%+180+14.6%Added
Paloma Partners Management Co1,421$341.0K0.01%−6,242−81.5%Reduced
Zhang Financial LLC1,426$342.0K0.06%00.0%Unchanged
Transcend Wealth Collective, LLC1,425$342.0K0.03%+38+2.7%Added
Orion Portfolio Solutions, LLC1,440$345.0K0.01%−356−19.8%Reduced
Winton Group Ltd1,444$346.0K0.02%+1,444New
McGuire Investment Group, LLC1,466$352.0K0.06%−179−10.9%Reduced
Western Wealth Management, LLC1,490$352.0K0.03%+1,490New
Evergreen Capital Management LLC1,471$353.0K0.01%−4,251−74.3%Reduced
Coldstream Capital Management Inc1,472$353.0K0.01%+378+34.6%Added
Winning Points Advisors, LLC1,519$355.0K0.26%+300+24.6%Added
Agf Investments Inc.1,496$359.0K0.00%+1,496New
Royal Capital Wealth Management, LLC1,495$359.0K0.35%+1,495New
Supplemental Annuity Collective Trust of NJ1,500$360.0K0.11%00.0%Unchanged
HighTower Trust Services, LTA1,500$360.0K0.04%+1,500New
Pathstone Family Office, LLC1,518$365.0K0.01%+629+70.8%Added
Swiss Life Asset Management Ltd1,531$367.8K0.00%−14,021−90.2%Reduced
Cornell Pochily Investment Advisors, Inc.1,534$368.0K0.14%−170−10.0%Reduced
AIA Group Ltd1,545$371.0K0.02%−118−7.1%Reduced
Trust Asset Management LLC1,547$371.0K0.05%00.0%Unchanged
Baystate Wealth Management LLC1,564$375.0K0.03%00.0%Unchanged
Analyst IMS Investment Management Services Ltd.1,572$377.0K0.04%00.0%Unchanged
Plancorp, LLC1,581$379.0K0.02%−24−1.5%Reduced
Duff & Phelps Investment Management Co1,581$379.0K0.00%00.0%Unchanged
Jacobi Capital Management LLC1,587$381.0K0.05%00.0%Unchanged
Jacobs Levy Equity Management, Inc1,588$381.0K0.00%+1,588New
Schechter Investment Advisors, LLC1,592$382.0K0.03%+1,592New
Brewin Dolphin Ltd1,602$384.0K0.02%−862−35.0%Reduced
Conning Inc.1,600$384.0K0.01%−156−8.9%Reduced
Systematic Financial Management LP1,600$384.0K0.01%00.0%Unchanged
Hotchkis & Wiley Capital Management LLC1,600$384.0K0.00%00.0%Unchanged
Virtus ETF Advisers LLC1,612$387.0K0.15%+481+42.5%Added
Indie Asset Partners, LLC1,654$397.0K0.29%+50+3.1%Added
Hennion & Walsh Asset Management, Inc.1,658$398.0K0.02%−462−21.8%Reduced
Icon Wealth Partners, LLC1,664$399.0K0.04%−96−5.5%Reduced
Baker Tilly Wealth Management, LLC1,689$405.0K0.04%−944−35.9%Reduced
Mitchell & Pahl Private Wealth, LLC1,688$405.0K0.26%−362−17.7%Reduced
Two Sigma Securities, LLC1,689$405.0K0.08%+1,689New
Nwam LLC1,690$405.0K0.03%+1,690New
Heron Financial Group, LLC1,769$406.0K0.22%−48−2.6%Reduced
Hillsdale Investment Management Inc.1,690$406.0K0.03%00.0%Unchanged
Geneos Wealth Management Inc.1,710$410.0K0.02%+114+7.1%Added
Financial Advisory Corp1,731$415.0K0.20%+1,731New
Capital Wealth Planning, LLC1,733$416.0K0.01%00.0%Unchanged
Congress Park Capital LLC1,750$420.0K0.21%+750+75.0%Added
Wahed Invest LLC1,750$420.0K0.23%+1,750New
Corient Capital Partners, LLC1,757$421.0K0.03%−776−30.6%Reduced
Twinbeech Capital LP1,781$427.0K0.02%+1,781New
Ameritas Advisory Services, LLC1,791$430.0K0.02%+1,791New