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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 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: 1,046 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 20261,046$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 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
First National Bank of South Miami4$00.00%00.0%Unchanged
Center for Financial Planning, Inc.1$00.00%+1New
Cassady Schiller Wealth Management, LLC1$00.00%+1New
KRS Capital Management, LLC3$00.00%+3New
WestEnd Advisors, LLC1$2390.00%––
Exane Derivatives1$2400.00%−369−99.7%Reduced
Global Financial Private Client, LLC2$4800.00%00.0%Unchanged
Credential Qtrade Securities Inc.3$7190.00%+3New
Harel Insurance Investments & Financial Services Ltd.4$1.00K0.00%−164−97.6%Reduced
Edge Wealth Management LLC5$1.00K0.00%00.0%Unchanged
Rockbridge Investment Management, LCC5$1.00K0.00%00.0%Unchanged
Dixon Hughes Goodman Wealth Advisors LLC3$1.00K0.00%+3New
Financial Perspectives, Inc8$1.92K0.00%00.0%Unchanged
1832 Asset Management L.P.10$2.00K0.00%−1,082−99.1%Reduced
Peoples Financial Services Corp.10$2.00K0.00%00.0%Unchanged
Riggs Asset Managment Co. Inc.10$2.00K0.00%00.0%Unchanged
Mascoma Wealth Management LLC9$2.00K0.00%00.0%Unchanged
Aspire Private Capital, LLC8$2.00K0.00%00.0%Unchanged
Signet Financial Management, LLC7$2.00K0.00%+7New
Core Alternative Capital9$2.00K0.00%+9New
Schubert & Co10$2.00K0.00%+10New
FinTrust Capital Advisors, LLC13$3.00K0.00%00.0%Unchanged
Adirondack Trust Co13$3.00K0.00%00.0%Unchanged
Kayne Anderson Rudnick Investment Management LLC11$3.00K0.00%+4+57.1%Added
Northwest Investment Counselors, LLC11$3.00K0.00%+11New
Standard Family Office LLC11$3.00K0.03%+11New
Widmann Financial Services, Inc.16$3.00K0.00%+16New
Perkins Coie Trust Co16$4.00K0.00%−350−95.6%Reduced
Massmutual Trust Co FSB18$4.00K0.00%−32−64.0%Reduced
AlphaMark Advisors, LLC17$4.00K0.00%00.0%Unchanged
Longfellow Investment Management Co LLC13$4.00K0.00%00.0%Unchanged
Elmwood Wealth Management, Inc.15$4.00K0.00%+15New
Pacifica Partners Inc.15$4.00K0.00%+15New
Charter Oak Capital Management, LLC15$4.00K0.00%+15New
High Net Worth Advisory Group LLC15$4.00K0.00%+15New
Sugarloaf Wealth Management, LLC22$5.00K0.00%00.0%Unchanged
Norway Savings Bank20$5.00K0.00%00.0%Unchanged
Capital Advisors, Ltd. LLC20$5.00K0.00%+3+17.6%Added
JFS Wealth Advisors, LLC21$5.00K0.00%+21New
Curi Capital21$5.00K0.00%+21New
SJS Investment Consulting Inc.20$5.00K0.00%+20New
First Financial Corp27$6.00K0.00%00.0%Unchanged
Advanced Research Investment Solutions, LLC25$6.00K0.00%00.0%Unchanged
Bray Capital Advisors25$6.00K0.00%00.0%Unchanged
Alaethes Wealth LLC26$6.00K0.00%00.0%Unchanged
Lenox Wealth Advisors, LLC27$6.00K0.00%+10+58.8%Added
Bogart Wealth, LLC23$6.00K0.00%+18+360.0%Added
Blue Bell Private Wealth Management, LLC25$6.00K0.00%+25New
Surevest, LLC27$6.00K0.00%+27New
Dark Forest Capital Management LP23$6.00K0.00%+23New
Harvest Fund Management Co., Ltd32$7.00K0.00%−67−67.7%Reduced
Global Wealth Management Investment Advisory, Inc.30$7.00K0.00%−10−25.0%Reduced
Sargent Bickham Lagudis LLC31$7.00K0.00%00.0%Unchanged
Loomis Sayles & Co L P30$7.00K0.00%00.0%Unchanged
Blume Capital Management, Inc.28$7.00K0.00%00.0%Unchanged
Tower View Investment Management & Research LLC29$7.00K0.00%00.0%Unchanged
Raffa Wealth Management, LLC31$7.44K0.00%00.0%Unchanged
Ellevest, Inc.35$8.00K0.00%−558−94.1%Reduced
Kistler-Tiffany Companies, LLC35$8.00K0.00%−84−70.6%Reduced
MV Capital Management, Inc.33$8.00K0.00%−15−31.3%Reduced
Resources Management Corp35$8.00K0.00%00.0%Unchanged
AllSquare Wealth Management LLC33$8.00K0.00%00.0%Unchanged
Webster Bank, N. A.39$9.00K0.00%00.0%Unchanged
First Personal Financial Services36$9.00K0.00%00.0%Unchanged
Wagner Wealth Management, LLC37$9.00K0.01%00.0%Unchanged
Prestige Wealth Management Group LLC38$9.00K0.00%+1+2.7%Added
Evoke Wealth, LLC38$9.00K0.00%00.0%Unchanged
Fieldpoint Private Securities, LLC40$10.0K0.00%−15−27.3%Reduced
Tortoise Investment Management, LLC40$10.0K0.00%00.0%Unchanged
RWM Asset Management, LLC44$11.0K0.00%−40−47.6%Reduced
West Oak Capital, LLC46$11.0K0.00%00.0%Unchanged
Column Capital Advisors, LLC46$11.0K0.00%00.0%Unchanged
Covington Capital Management47$11.0K0.00%+44+1,466.7%Added
TSFG, LLC44$11.0K0.00%+39+780.0%Added
South State Corp.52$12.0K0.00%00.0%Unchanged
Tradewinds Capital Management, LLC50$12.0K0.00%00.0%Unchanged
Roble, Belko & Company, Inc50$12.0K0.00%00.0%Unchanged
Evermay Wealth Management LLC55$13.0K0.00%−27−32.9%Reduced
Reilly Financial Advisors, LLC55$13.0K0.00%00.0%Unchanged
McIlrath & Eck, LLC56$13.0K0.00%00.0%Unchanged
Ahl Investment Management, Inc.57$14.0K0.01%+57New
Private Capital Group, LLC62$15.0K0.00%−53−46.1%Reduced
Trustcore Financial Services, LLC64$15.0K0.00%00.0%Unchanged
Retirement Group, LLC64$15.0K0.01%+5+8.5%Added
First Community Trust NA65$15.6K0.01%+65New
BerganKDV Wealth Management, LLC66$16.0K0.00%00.0%Unchanged
SOA Wealth Advisors, LLC.67$16.0K0.00%00.0%Unchanged
West Paces Advisors Inc.70$16.8K0.01%−20−22.2%Reduced
Proequities, Inc.72$17.0K0.00%−100−58.1%Reduced
Stonebridge Capital Advisors LLC72$17.0K0.00%−12−14.3%Reduced
Pacific Center for Financial Services71$17.0K0.01%00.0%Unchanged
Harbor Investment Advisory, LLC77$18.0K0.00%−82−51.6%Reduced
Albion Financial Group75$18.0K0.00%00.0%Unchanged
Independence Bank of Kentucky75$18.0K0.01%00.0%Unchanged
Versant Capital Management, Inc75$18.0K0.01%00.0%Unchanged
Penserra Capital Management LLC78$18.0K0.00%+24+44.4%Added
Tradition Wealth Management, LLC78$19.0K0.00%00.0%Unchanged
Anchor Investment Management, LLC80$19.2K0.00%−30−27.3%Reduced
Catalyst Capital Advisors LLC82$20.0K0.00%−8−8.9%Reduced
Earnest Partners LLC82$20.0K0.00%00.0%Unchanged