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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, Q2 2021

Institutional positions in Biogen Inc. as of Jun 30, 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
1,107
+26 vs. Q1 2021
Shares held
126.1M
−1.15M (−0.9%) vs. Q1 2021
Total value
$43.6B
+$8.06B (+22.7%) vs. Q1 2021
New holders
136
325 more added
Sold out
110
469 more reduced

15 institutions that held it in Q1 2021 haven't filed for Q2 2021 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q1 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 holdersQ2 2021: 1,107 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 heldQ2 2021: $43.6B
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, Q2 2021

Shares, value and share of portfolio for each institution holding Biogen Inc.; share changes are against Q1 2021.

Institutions holding BIIB in Q2 2021
InstitutionSharesValue% of portfolioChange in sharesAction
Red Door Wealth Management, LLC2$00.00%+2New
WestEnd Advisors, LLC–$3460.00%–New
Exane Derivatives1$3520.00%−9−90.0%Reduced
Kelly Financial Services LLC195,282$5640.02%+190,518+3,999.1%Added
Global Financial Private Client, LLC2$6980.00%00.0%Unchanged
Rock Creek Group, LP3$1.00K0.00%−7−70.0%Reduced
McCarthy Asset Management, Inc.4$1.00K0.00%00.0%Unchanged
First National Bank of South Miami4$1.00K0.00%+4New
Lazard Asset Management LLC8$2.00K0.00%−57−87.7%Reduced
Kayne Anderson Rudnick Investment Management LLC7$2.00K0.00%00.0%Unchanged
TSFG, LLC5$2.00K0.00%00.0%Unchanged
Summit Wealth Group, LLC5$2.00K0.00%00.0%Unchanged
Better Money Decisions, LLC5$2.00K0.00%00.0%Unchanged
Ford Financial Group, LLC8$2.00K0.00%+8New
Strategic Blueprint, LLC5$2.00K0.00%+5New
Financial Perspectives, Inc8$2.77K0.00%−2,230−99.6%Reduced
Aspire Private Capital, LLC8$3.00K0.00%−53−86.9%Reduced
Peoples Financial Services Corp.10$3.00K0.00%00.0%Unchanged
Riggs Asset Managment Co. Inc.10$3.00K0.00%00.0%Unchanged
FormulaFolio Investments, LLC9$3.00K0.00%00.0%Unchanged
Nelson, Van Denburg & Campbell Wealth Management Group, LLC10$3.00K0.00%00.0%Unchanged
Lee Financial Co8$3.00K0.00%+8New
Standard Family Office LLC11$4.00K0.00%00.0%Unchanged
Adirondack Trust Co13$5.00K0.00%00.0%Unchanged
FinTrust Capital Advisors, LLC13$5.00K0.00%00.0%Unchanged
Bogart Wealth, LLC15$5.00K0.00%−1−6.3%Reduced
Longfellow Investment Management Co LLC13$5.00K0.00%+3+30.0%Added
Elmwood Wealth Management, Inc.15$5.00K0.00%+15New
Lenox Wealth Advisors, LLC17$6.00K0.00%00.0%Unchanged
Capital Advisors, Ltd. LLC17$6.00K0.00%00.0%Unchanged
AlphaMark Advisors, LLC17$6.00K0.00%+7+70.0%Added
Rockbridge Investment Management, LCC20$7.00K0.00%−19−48.7%Reduced
Norway Savings Bank20$7.00K0.00%00.0%Unchanged
Sugarloaf Wealth Management, LLC22$8.00K0.00%00.0%Unchanged
Castleview Partners, LLC23$8.00K0.00%+23New
Hexavest Inc.26$9.00K0.00%−32,879−99.9%Reduced
First Financial Corp27$9.00K0.01%00.0%Unchanged
Salem Investment Counselors Inc25$9.00K0.00%00.0%Unchanged
Advanced Research Investment Solutions, LLC25$9.00K0.01%00.0%Unchanged
Bray Capital Advisors25$9.00K0.00%+25New
Alaethes Wealth LLC26$9.00K0.01%+26New
Blume Capital Management, Inc.28$10.0K0.00%00.0%Unchanged
Tower View Investment Management & Research LLC29$10.0K0.01%00.0%Unchanged
Front Row Advisors LLC30$10.0K0.00%00.0%Unchanged
Raffa Wealth Management, LLC31$10.7K0.00%00.0%Unchanged
Sargent Bickham Lagudis LLC31$11.0K0.00%−5−13.9%Reduced
AllSquare Wealth Management LLC33$11.0K0.01%00.0%Unchanged
Resources Management Corp35$12.0K0.00%00.0%Unchanged
Savior LLC34$12.0K0.01%00.0%Unchanged
First Personal Financial Services36$12.0K0.00%+36New
Enterprise Financial Services Corp38$13.0K0.00%−251−86.9%Reduced
Prestige Wealth Management Group LLC37$13.0K0.00%−17−31.5%Reduced
Webster Bank, N. A.39$14.0K0.00%00.0%Unchanged
Tortoise Investment Management, LLC40$14.0K0.00%00.0%Unchanged
Global Wealth Management Investment Advisory, Inc.40$14.0K0.00%00.0%Unchanged
MV Capital Management, Inc.40$14.0K0.00%+20+100.0%Added
Column Capital Advisors, LLC47$16.0K0.00%−175−78.8%Reduced
West Oak Capital, LLC46$16.0K0.01%00.0%Unchanged
Trustcore Financial Services, LLC47$16.0K0.00%00.0%Unchanged
Joseph P. Lucia & Associates, LLC46$16.0K0.01%00.0%Unchanged
Global Retirement Partners, LLC46$16.0K0.00%+28+155.6%Added
Tradewinds Capital Management, LLC50$17.0K0.00%00.0%Unchanged
Roble, Belko & Company, Inc50$17.0K0.00%00.0%Unchanged
Evoke Wealth, LLC50$17.0K0.00%+5+11.1%Added
Penserra Capital Management LLC50$17.0K0.00%+50New
Brendel Financial Advisors LLC48$17.0K0.01%+48New
Reilly Financial Advisors, LLC55$19.0K0.00%−195−78.0%Reduced
McIlrath & Eck, LLC56$19.0K0.01%00.0%Unchanged
Fieldpoint Private Securities, LLC55$19.0K0.00%00.0%Unchanged
Retirement Group, LLC59$20.0K0.01%−258−81.4%Reduced
Pflug Koory, LLC57$20.0K0.01%00.0%Unchanged
Wealth Quarterback LLC55$20.0K0.01%+55New
Evolution Wealth Advisors, LLC61$21.0K0.00%+35+134.6%Added
Optiver Holding B.V.60$21.0K0.00%+60New
SOA Wealth Advisors, LLC.67$23.0K0.01%+39+139.3%Added
Proequities, Inc.72$25.0K0.00%−124−63.3%Reduced
Pacific Center for Financial Services71$25.0K0.01%00.0%Unchanged
Independence Bank of Kentucky75$26.0K0.01%00.0%Unchanged
Versant Capital Management, Inc75$26.0K0.01%00.0%Unchanged
Loomis Sayles & Co L P74$26.0K0.00%+34+85.0%Added
Albion Financial Group75$26.0K0.00%+75New
Covington Capital Management78$27.0K0.00%−3−3.7%Reduced
Tradition Wealth Management, LLC78$27.0K0.00%00.0%Unchanged
Larson Financial Group LLC77$27.0K0.01%+77New
Towarzystwo Funduszy Inwestycyjnych Pzu SA80$27.7K0.03%00.0%Unchanged
Private Ocean, LLC80$28.0K0.00%−20−20.0%Reduced
Earnest Partners LLC82$28.0K0.00%00.0%Unchanged
Evermay Wealth Management LLC82$28.0K0.01%+82New
San Francisco Sentry Investment Group (Ca)83$29.0K0.02%00.0%Unchanged
Stonebridge Capital Advisors LLC84$29.0K0.00%+14+20.0%Added
Resolute Partners Group145$29.0K0.00%+89+158.9%Added
WealthShield Partners, LLC89$31.0K0.00%+8+9.9%Added
Catalyst Capital Advisors LLC93$32.0K0.00%+3+3.3%Added
South State Corp.92$32.0K0.00%+92New
Cutler Group LP100$34.0K0.00%−185−64.9%Reduced
Carolinas Wealth Consulting LLC98$34.0K0.01%+10+11.4%Added
Compagnie Lombard Odier SCmA100$35.0K0.00%−50−33.3%Reduced
Annapolis Financial Services, LLC102$35.0K0.01%00.0%Unchanged
Delta Asset Management LLC100$35.0K0.00%00.0%Unchanged
Security National Trust Co100$35.0K0.01%00.0%Unchanged