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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, Q2 2023

Institutional positions in Biogen Inc. as of Jun 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
1,009
+11 vs. Q1 2023
Shares held
126.8M
−1.09M (−0.9%) vs. Q1 2023
Total value
$36.1B
+$1.11B (+3.2%) vs. Q1 2023
New holders
96
322 more added
Sold out
85
363 more reduced

6 institutions that held it in Q1 2023 haven't filed for Q2 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q1 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 holdersQ2 2023: 1,009 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 2023: $36.1B
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 2023

Shares, value and share of portfolio for each institution holding Biogen Inc.; share changes are against Q1 2023.

Institutions holding BIIB in Q2 2023
InstitutionSharesValue% of portfolioChange in sharesAction
McClarren Financial Advisors, Inc.2$00.00%00.0%Unchanged
American National Bank1$2850.00%00.0%Unchanged
25 LLC2$5560.00%00.0%Unchanged
Wolff Wiese Magana LLC2$5700.00%00.0%Unchanged
Crewe Advisors LLC2$5700.00%+2New
Tfo-TDC, LLC3$8550.00%00.0%Unchanged
Kayne Anderson Rudnick Investment Management LLC3$8550.00%+3New
PrairieView Partners, LLC6$1.00K0.00%00.0%Unchanged
Coastal Capital Group, Inc.4$1.14K0.00%−100−96.2%Reduced
Colonial Trust Advisors4$1.14K0.00%00.0%Unchanged
Timber Creek Capital Management LLC4$1.14K0.00%+4New
True Wealth Design, LLC4$1.14K0.00%−4−50.0%Reduced
Evermay Wealth Management LLC5$1.43K0.00%00.0%Unchanged
SRS Capital Advisors, Inc.5$1.43K0.00%00.0%Unchanged
TFC Financial Management6$1.71K0.00%00.0%Unchanged
Impact Partnership Wealth, LLC6$1.71K0.00%+6New
Sofos Investments, Inc.285$1.86K0.01%+7+2.5%Added
Carmel Capital Partners, LLC7$1.99K0.00%00.0%Unchanged
Cape Investment Advisory, Inc.7$1.99K0.00%00.0%Unchanged
Adirondack Retirement Specialists, Inc.7$1.99K0.00%00.0%Unchanged
Exchange Traded Concepts, LLC8$2.28K0.00%−1−11.1%Reduced
Lee Financial Co8$2.28K0.00%00.0%Unchanged
Aspire Private Capital, LLC8$2.28K0.00%00.0%Unchanged
Financial Perspectives, Inc8$2.28K0.00%00.0%Unchanged
Rock Creek Group, LP8$2.28K0.00%+8New
Eagle Bay Advisors LLC9$2.56K0.00%−152−94.4%Reduced
Park Place Capital Corp9$2.56K0.00%−12−57.1%Reduced
Loomis Sayles & Co L P11$3.00K0.00%−9−45.0%Reduced
Hazlett, Burt & Watson, Inc.10$3.00K0.00%00.0%Unchanged
TSFG, LLC9$3.00K0.00%+2+28.6%Added
Dividend Assets Capital, LLC11$3.00K0.00%+11New
NewSquare Capital LLC11$3.13K0.00%00.0%Unchanged
Column Capital Advisors, LLC11$3.13K0.00%00.0%Unchanged
Creative Financial Designs Inc12$3.42K0.00%−22−64.7%Reduced
Hollencrest Capital Management13$3.70K0.00%00.0%Unchanged
Bollard Group LLC15$4.00K0.00%+15New
Avion Wealth16$4.00K0.00%+16New
Perkins Coie Trust Co16$4.56K0.00%00.0%Unchanged
SOA Wealth Advisors, LLC.16$4.56K0.00%00.0%Unchanged
Plante Moran Financial Advisors, LLC17$4.84K0.00%−110−86.6%Reduced
Lansing Street Advisors17$4.84K0.00%00.0%Unchanged
Winch Advisory Services, LLC16$5.00K0.00%+16New
SJS Investment Consulting Inc.19$5.41K0.00%+2+11.8%Added
Byrne Asset Management LLC21$6.00K0.00%+21New
Sugarloaf Wealth Management, LLC22$6.27K0.00%−65−74.7%Reduced
Sutton Wealth Advisors Inc.23$6.55K0.00%−3−11.5%Reduced
Castleview Partners, LLC23$6.55K0.01%00.0%Unchanged
Hantz Financial Services, Inc.26$7.00K0.00%00.0%Unchanged
Raleigh Capital Management Inc.25$7.12K0.00%+25New
Blume Capital Management, Inc.25$7.12K0.00%−29−53.7%Reduced
Bangor Savings Bank28$7.98K0.00%00.0%Unchanged
Tower View Investment Management & Research LLC29$8.00K0.01%00.0%Unchanged
Abound Wealth Management29$8.26K0.00%+4+16.0%Added
Proequities, Inc.30$8.54K0.00%+3+11.1%Added
Barrett & Company, Inc.30$8.55K0.00%00.0%Unchanged
ZRC Wealth Management, LLC30$8.55K0.01%00.0%Unchanged
Raffa Wealth Management, LLC31$8.83K0.00%00.0%Unchanged
Hartford Financial Management Inc.31$8.83K0.00%00.0%Unchanged
Lumature Wealth Partners, LLC32$9.12K0.01%00.0%Unchanged
Caldwell Sutter Capital, Inc.34$9.69K0.01%−21−38.2%Reduced
AllSquare Wealth Management LLC33$9.86K0.01%00.0%Unchanged
Kistler-Tiffany Companies, LLC35$9.97K0.00%00.0%Unchanged
Larson Financial Group LLC36$10.3K0.00%−87−70.7%Reduced
Johnson Midwest Financial, LLC36$10.3K0.01%00.0%Unchanged
FinTrust Capital Advisors, LLC41$11.4K0.00%00.0%Unchanged
Tortoise Investment Management, LLC40$11.4K0.00%00.0%Unchanged
Anchor Investment Management, LLC40$11.4K0.00%00.0%Unchanged
CNB Bank40$11.4K0.01%00.0%Unchanged
Blue Bell Private Wealth Management, LLC40$11.4K0.00%+15+60.0%Added
Okabena Investment Services Inc40$11.4K0.01%+40New
Harbour Investments, Inc.43$12.2K0.00%+10+30.3%Added
Kozak & Associates, Inc.44$12.6K0.01%00.0%Unchanged
South State Corp.45$12.8K0.00%00.0%Unchanged
Pinnacle Bancorp, Inc.45$12.8K0.00%00.0%Unchanged
West Oak Capital, LLC46$13.1K0.01%00.0%Unchanged
Prestige Wealth Management Group LLC46$13.1K0.00%+14+43.8%Added
Riverview Trust Co47$13.4K0.01%00.0%Unchanged
Roble, Belko & Company, Inc50$14.0K0.00%00.0%Unchanged
Clear Street Markets LLC48$14.0K0.01%+48New
Chesapeake Asset Management LLC50$14.2K0.01%00.0%Unchanged
HM Payson & Co50$14.2K0.00%00.0%Unchanged
Tradewinds Capital Management, LLC50$14.2K0.00%00.0%Unchanged
GW&K Investment Management, LLC54$15.0K0.00%+54New
Truvestments Capital LLC55$15.7K0.01%+55New
McIlrath & Eck, LLC56$16.0K0.00%00.0%Unchanged
Carolinas Wealth Consulting LLC56$16.0K0.00%00.0%Unchanged
Cornerstone Planning Group LLC57$16.2K0.01%+57New
Baker Avenue Asset Management, LP58$16.5K0.00%−1−1.7%Reduced
KB Financial Partners, LLC59$17.0K0.00%−1,742−96.7%Reduced
Steward Financial Group LLC66$18.0K0.01%−3−4.3%Reduced
Retirement Group, LLC64$18.2K0.01%00.0%Unchanged
O'Dell Group, LLC64$18.2K0.01%+64New
First Community Trust NA65$18.5K0.02%00.0%Unchanged
Venturi Wealth Management, LLC65$18.5K0.00%00.0%Unchanged
Harbor Investment Advisory, LLC67$19.1K0.00%00.0%Unchanged
West Paces Advisors Inc.70$19.9K0.01%00.0%Unchanged
Pacific Center for Financial Services71$20.2K0.01%00.0%Unchanged
Motco73$20.8K0.00%+2+2.8%Added
First Personal Financial Services74$21.1K0.01%00.0%Unchanged
Albion Financial Group75$21.4K0.00%00.0%Unchanged