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Livermore
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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 2023

Institutional positions in Biogen Inc. as of Sep 30, 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
966
−27 vs. Q2 2023
Shares held
125.0M
−292.7K (−0.2%) vs. Q2 2023
Total value
$32.2B
−$3.51B (−9.8%) vs. Q2 2023
New holders
91
333 more added
Sold out
118
346 more reduced

16 institutions that held it in Q2 2023 haven't filed for Q3 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q2 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 holdersQ3 2023: 966 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 2023: $32.2B
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 2023

Shares, value and share of portfolio for each institution holding Biogen Inc.; share changes are against Q2 2023.

Institutions holding BIIB in Q3 2023
InstitutionSharesValue% of portfolioChange in sharesAction
McClarren Financial Advisors, Inc.2$00.00%00.0%Unchanged
Column Capital Advisors, LLC2$5140.00%−9−81.8%Reduced
WestEnd Advisors, LLC2$5140.00%+2New
Wolff Wiese Magana LLC2$5150.00%00.0%Unchanged
NewSquare Capital LLC3$7710.00%−8−72.7%Reduced
Kayne Anderson Rudnick Investment Management LLC3$7710.00%00.0%Unchanged
ClariVest Asset Management LLC2$1.00K0.00%+2New
PFG Private Wealth Management, LLC4$1.03K0.00%−735−99.5%Reduced
Colonial Trust Advisors4$1.03K0.00%00.0%Unchanged
True Wealth Design, LLC4$1.03K0.00%00.0%Unchanged
1832 Asset Management L.P.5$1.28K0.00%+5New
Evermay Wealth Management LLC5$1.29K0.00%00.0%Unchanged
SRS Capital Advisors, Inc.5$1.29K0.00%00.0%Unchanged
Sofos Investments, Inc.5$1.37K0.00%−280−98.2%Reduced
TFC Financial Management6$1.54K0.00%00.0%Unchanged
Tfo-TDC, LLC6$1.71K0.00%+3+100.0%Added
Park Place Capital Corp7$1.80K0.00%−2−22.2%Reduced
Cape Investment Advisory, Inc.7$1.80K0.00%00.0%Unchanged
Avion Wealth13$2.00K0.00%−3−18.8%Reduced
TSFG, LLC9$2.00K0.00%00.0%Unchanged
Aspire Private Capital, LLC8$2.06K0.00%00.0%Unchanged
Financial Perspectives, Inc8$2.06K0.00%00.0%Unchanged
Lee Financial Co8$2.06K0.00%00.0%Unchanged
Eagle Bay Advisors LLC9$2.31K0.00%00.0%Unchanged
Creative Financial Designs Inc12$3.08K0.00%00.0%Unchanged
Exchange Traded Concepts, LLC12$3.08K0.00%+4+50.0%Added
Hollencrest Capital Management13$3.34K0.00%00.0%Unchanged
Activest Wealth Management15$3.85K0.00%−203−93.1%Reduced
Fortis Group Advisors, LLC15$3.85K0.00%+15New
Clear Street Markets LLC16$4.00K0.00%−32−66.7%Reduced
Winch Advisory Services, LLC16$4.00K0.00%00.0%Unchanged
SOA Wealth Advisors, LLC.16$4.11K0.00%00.0%Unchanged
Plante Moran Financial Advisors, LLC17$4.37K0.00%00.0%Unchanged
Rock Creek Group, LP20$5.14K0.00%+12+150.0%Added
Operose Advisors LLC20$5.14K0.00%+20New
Sugarloaf Wealth Management, LLC22$5.65K0.00%00.0%Unchanged
Perkins Coie Trust Co22$5.65K0.00%+6+37.5%Added
SJS Investment Consulting Inc.22$5.66K0.00%+3+15.8%Added
Castleview Partners, LLC23$5.91K0.01%00.0%Unchanged
Annis Gardner Whiting Capital Advisors, LLC23$5.91K0.00%+23New
Byrne Asset Management LLC24$6.00K0.00%+3+14.3%Added
DHJJ Financial Advisors, Ltd.24$6.17K0.00%+24New
Raleigh Capital Management Inc.25$6.42K0.00%00.0%Unchanged
Abound Wealth Management25$6.43K0.00%−4−13.8%Reduced
Tower View Investment Management & Research LLC29$7.00K0.00%00.0%Unchanged
Bangor Savings Bank28$7.20K0.00%00.0%Unchanged
Householder Group Estate & Retirement Specialist, LLC28$7.20K0.00%+28New
Gables Capital Management Inc.30$7.71K0.01%−106−77.9%Reduced
Barrett & Company, Inc.30$7.71K0.00%00.0%Unchanged
Peoples Bank30$7.71K0.01%+30New
ZRC Wealth Management, LLC30$7.71K0.01%00.0%Unchanged
Raffa Wealth Management, LLC31$7.97K0.00%00.0%Unchanged
Hartford Financial Management Inc.31$7.97K0.00%00.0%Unchanged
AllSquare Wealth Management LLC33$8.48K0.01%00.0%Unchanged
Sutton Wealth Advisors Inc.33$8.48K0.00%+10+43.5%Added
Quintet Private Bank (Europe) S.A.34$8.73K0.00%−1,079−96.9%Reduced
Caldwell Sutter Capital, Inc.34$8.74K0.00%00.0%Unchanged
Hazlett, Burt & Watson, Inc.35$9.00K0.01%+25+250.0%Added
Larson Financial Group LLC36$9.25K0.00%00.0%Unchanged
Johnson Midwest Financial, LLC36$9.25K0.02%00.0%Unchanged
Blue Bell Private Wealth Management, LLC40$10.3K0.00%00.0%Unchanged
Tortoise Investment Management, LLC40$10.3K0.00%00.0%Unchanged
Anchor Investment Management, LLC40$10.3K0.00%00.0%Unchanged
CNB Bank40$10.3K0.01%00.0%Unchanged
Pinnacle Bancorp, Inc.45$11.6K0.00%00.0%Unchanged
Kozak & Associates, Inc.44$11.6K0.00%00.0%Unchanged
West Oak Capital, LLC46$12.0K0.01%00.0%Unchanged
Riverview Trust Co47$12.1K0.01%00.0%Unchanged
Chesapeake Asset Management LLC50$12.8K0.01%00.0%Unchanged
McIlrath & Eck, LLC50$12.9K0.00%−6−10.7%Reduced
Tradewinds Capital Management, LLC50$12.9K0.00%00.0%Unchanged
GW&K Investment Management, LLC49$13.0K0.00%−5−9.3%Reduced
Roble, Belko & Company, Inc50$13.0K0.00%00.0%Unchanged
Prestige Wealth Management Group LLC51$13.1K0.00%+5+10.9%Added
Carolinas Wealth Consulting LLC56$13.3K0.00%00.0%Unchanged
Cornerstone Planning Group LLC55$14.1K0.01%−2−3.5%Reduced
Truvestments Capital LLC55$14.1K0.01%00.0%Unchanged
Johnson Financial Group, Inc.57$14.7K0.00%+57New
Retirement Group, LLC59$15.2K0.01%−5−7.8%Reduced
Atlas Capital Advisors LLC60$15.4K0.00%−28−31.8%Reduced
Stonebridge Capital Advisors LLC60$15.4K0.00%−29−32.6%Reduced
Harbour Investments, Inc.60$15.4K0.00%+17+39.5%Added
Steward Financial Group LLC66$16.0K0.01%00.0%Unchanged
MV Capital Management, Inc.64$16.4K0.00%−28−30.4%Reduced
Venturi Wealth Management, LLC65$16.7K0.00%00.0%Unchanged
First Community Trust NA65$16.7K0.02%00.0%Unchanged
Hantz Financial Services, Inc.66$17.0K0.00%+40+153.8%Added
Hexagon Capital Partners LLC67$17.2K0.00%−24−26.4%Reduced
Harbor Investment Advisory, LLC67$17.2K0.00%00.0%Unchanged
Versant Capital Management, Inc69$17.7K0.01%−13−15.9%Reduced
West Paces Advisors Inc.70$18.0K0.01%00.0%Unchanged
Grove Bank & Trust71$18.2K0.00%−37−34.3%Reduced
Pacific Center for Financial Services71$18.2K0.01%00.0%Unchanged
Proequities, Inc.72$18.5K0.00%+42+140.0%Added
Motco72$18.5K0.00%−1−1.4%Reduced
First Personal Financial Services74$19.0K0.00%00.0%Unchanged
Albion Financial Group75$19.3K0.00%00.0%Unchanged
Webster Bank, N. A.75$19.3K0.00%00.0%Unchanged
Independence Bank of Kentucky75$19.3K0.01%00.0%Unchanged
Tradition Wealth Management, LLC79$20.0K0.00%−2−2.5%Reduced