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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, 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: 1,047 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 20261,047$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, 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
Key Financial Inc906$296.0K0.17%00.0%Unchanged
WealthTrust Axiom LLC860$297.0K0.10%00.0%Unchanged
Boenning & Scattergood, Inc.860$298.0K0.05%−329−27.7%Reduced
Prospera Financial Services Inc861$298.0K0.01%−275−24.2%Reduced
Gratus Capital LLC862$298.0K0.03%−188−17.9%Reduced
Everett Harris & Co863$299.0K0.00%00.0%Unchanged
Auxano Advisors, LLC878$304.0K0.14%+22+2.6%Added
Joel Isaacson & Co., LLC878$304.0K0.02%+100+12.9%Added
AGF Investments LLC878$304.0K0.03%+878New
Busey Wealth Management880$305.0K0.01%−941−51.7%Reduced
LFA - Lugano Financial Advisors SA880$305.0K0.19%00.0%Unchanged
Nicolet Bankshares Inc888$307.0K0.08%−115−11.5%Reduced
Koshinski Asset Management, Inc.887$307.0K0.04%−62−6.5%Reduced
Waddell & Associates, LLC887$307.0K0.05%+887New
Sutton Wealth Advisors Inc.893$309.2K0.11%+3+0.3%Added
First Bank & Trust894$310.0K0.15%00.0%Unchanged
Rowland & Co Investment Counsel896$310.3K0.08%+110+14.0%Added
Pathstone Family Office, LLC899$311.0K0.01%+91+11.3%Added
Cedar Wealth Management, LLC897$311.0K0.14%+361+67.4%Added
Tiemann Investment Advisors, LLC900$312.0K0.15%00.0%Unchanged
Enlightenment Research, LLC900$312.0K0.40%+900New
Laurel Wealth Advisors, Inc.906$314.0K0.04%+193+27.1%Added
Johnson Financial Group, Inc.911$315.0K0.02%+172+23.3%Added
Parisi Gray Wealth Management913$316.0K0.12%00.0%Unchanged
Acima Private Wealth, LLC916$317.0K0.15%00.0%Unchanged
Freestone Capital Holdings, LLC923$320.0K0.02%−128−12.2%Reduced
Osborne Partners Capital Management, LLC925$320.0K0.03%−25−2.6%Reduced
Welch & Forbes LLC926$321.0K0.01%−665−41.8%Reduced
NBT Bank N A930$322.0K0.04%00.0%Unchanged
BTR Capital Management Inc929$322.0K0.04%+929New
RiverFront Investment Group, LLC935$324.0K0.01%+83+9.7%Added
Global Trust Asset Management, LLC938$325.0K0.15%−14−1.5%Reduced
Northern Capital Management, Inc.947$328.0K0.28%00.0%Unchanged
Game Creek Capital, LP950$329.0K0.18%+950New
NuWave Investment Management, LLC959$332.0K0.37%+959New
Psagot Investment House Ltd.975$338.0K0.01%00.0%Unchanged
Frontier Wealth Management LLC977$338.0K0.02%+43+4.6%Added
AIA Group Ltd1,049$340.0K0.02%+1,049New
Deseret Mutual Benefit Administrators986$341.0K0.08%+986New
Checchi Capital Advisers, LLC998$346.0K0.04%−97−8.9%Reduced
DCF Advisers, LLC1,000$346.0K0.17%+1,000New
Cornercap Investment Counsel Inc1,007$349.0K0.04%−11,534−92.0%Reduced
Willis Investment Counsel1,010$350.0K0.02%+10+1.0%Added
Palisades Hudson Asset Management, L.P.1,014$351.0K0.16%00.0%Unchanged
Clearstead Advisors, LLC1,014$351.0K0.03%+492+94.3%Added
Mairs & Power Inc1,025$355.0K0.00%00.0%Unchanged
GPS Wealth Strategies Group, LLC1,027$356.0K0.09%−75−6.8%Reduced
Silvercrest Asset Management Group LLC1,042$361.0K0.00%+100+10.6%Added
Veriti Management LLC1,046$362.0K0.05%−464−30.7%Reduced
YorkBridge Wealth Partners, LLC1,048$363.0K0.09%−5−0.5%Reduced
Marino, Stram & Associates LLC1,048$363.0K0.09%+1,048New
Ontario Teachers Pension Plan Board1,050$364.0K0.00%−1,583−60.1%Reduced
Nicholas Hoffman & Company, LLC.1,056$366.0K0.07%−13−1.2%Reduced
Financial Advocates Investment Management1,057$366.0K0.03%+119+12.7%Added
First Manhattan Co1,060$367.0K0.00%+940+783.3%Added
State of Wyoming1,067$369.0K0.23%+907+566.9%Added
Institute for Wealth Management, LLC.1,070$370.0K0.06%+40+3.9%Added
North Star Asset Management Inc1,072$371.0K0.02%−225−17.3%Reduced
Cetera Advisors LLC1,071$371.0K0.01%−179−14.3%Reduced
One Wealth Advisors, LLC1,074$372.0K0.12%−187−14.8%Reduced
Jump Financial, LLC1,074$372.0K0.04%+1,074New
IFG Advisory, LLC1,084$375.0K0.04%−48−4.2%Reduced
Adams Chetwood Wealth Management LLC1,087$376.0K0.27%−40−3.5%Reduced
Empirical Financial Services, LLC d.b.a. Empirical Wealth Management1,089$377.0K0.02%+348+47.0%Added
Beaumont Asset Management, L.L.C.1,100$381.0K0.29%−733−40.0%Reduced
Grace Capital1,100$381.0K0.26%−250−18.5%Reduced
Courier Capital LLC1,106$383.0K0.04%−20−1.8%Reduced
TCI Wealth Advisors, Inc.1,106$383.0K0.07%00.0%Unchanged
Lake Street Advisors Group, LLC1,126$384.0K0.03%+38+3.5%Added
Spire Wealth Management1,115$386.0K0.01%−1,425−56.1%Reduced
JT Stratford LLC1,117$387.0K0.12%+282+33.8%Added
Berman Capital Advisors, LLC1,121$387.0K0.06%+349+45.2%Added
Cozad Asset Management Inc1,121$388.0K0.06%−86−7.1%Reduced
Caldwell Trust Co1,123$388.9K0.05%+56+5.2%Added
Bell Bank1,125$390.0K0.05%00.0%Unchanged
Defined Wealth Management, LLC1,125$390.0K0.35%00.0%Unchanged
Pekin Hardy Strauss, Inc.1,131$392.0K0.05%00.0%Unchanged
Thoroughbred Financial Services, LLC1,136$393.0K0.10%+1,136New
Western Wealth Management, LLC1,147$397.0K0.04%+104+10.0%Added
Savant Capital, LLC1,157$401.0K0.02%−14−1.2%Reduced
Kercheville Advisors, LLC1,160$402.0K0.19%−65−5.3%Reduced
HighPoint Advisor Group LLC1,163$403.0K0.04%+28+2.5%Added
Sigma Investment Counselors Inc1,169$405.0K0.03%+109+10.3%Added
Coldstream Capital Management Inc1,170$405.0K0.02%+285+32.2%Added
LGL Partners, LLC1,174$407.0K0.24%−120−9.3%Reduced
Founders Financial Alliance, LLC1,175$407.0K0.19%+22+1.9%Added
Gries Financial LLC1,215$411.0K0.13%00.0%Unchanged
Williams Jones Wealth Management, LLC.1,186$411.0K0.01%−5−0.4%Reduced
Archer Investment Corp1,200$415.5K0.16%−1,000−45.5%Reduced
Focus Financial Network, Inc.1,200$415.5K0.06%−18−1.5%Reduced
Fort Sheridan Advisors LLC1,200$416.0K0.14%00.0%Unchanged
Valeo Financial Advisors, LLC1,207$418.0K0.03%−48−3.8%Reduced
Naples Global Advisors, LLC1,210$419.0K0.06%00.0%Unchanged
Winning Points Advisors, LLC1,219$422.0K0.32%00.0%Unchanged
LS Investment Advisors, LLC1,228$425.0K0.05%−3,355−73.2%Reduced
Virtus ETF Advisers LLC1,229$426.0K0.18%−1,321−51.8%Reduced
Park Avenue Securities LLC1,231$426.0K0.01%−267−17.8%Reduced
Tributary Capital Management, LLC1,230$426.0K0.03%−50−3.9%Reduced
Investors Asset Management of Georgia Inc1,232$427.0K0.23%00.0%Unchanged
Livingston Group Asset Management CO (operating as Southport Capital Management)1,233$427.0K0.11%+80+6.9%Added