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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
Pflug Koory, LLC85$20.0K0.01%+28+49.1%Added
Stephenson National Bank & Trust83$20.0K0.01%+83New
CNB Bank88$21.0K0.01%−134−60.4%Reduced
Valley National Advisers Inc88$21.0K0.00%−23−20.7%Reduced
Confluence Wealth Services, Inc.89$21.0K0.01%+89New
Fortitude Advisory Group L.L.C.86$21.0K0.01%+86New
CVA Family Office, LLC90$22.0K0.01%+90New
Quantbot Technologies LP100$23.0K0.00%−4,710−97.9%Reduced
Annapolis Financial Services, LLC102$24.0K0.01%00.0%Unchanged
Delta Asset Management LLC100$24.0K0.00%00.0%Unchanged
American National Bank100$24.0K0.00%00.0%Unchanged
Klaas Financial Asset Advisors, LLC100$24.0K0.01%00.0%Unchanged
Vigilant Capital Management, LLC100$24.0K0.00%+100New
Coastal Capital Group, Inc.104$25.0K0.01%+4+4.0%Added
Rosenberg Matthew Hamilton109$26.0K0.01%−25−18.7%Reduced
Sittner & Nelson, LLC110$26.0K0.02%00.0%Unchanged
Carolinas Wealth Consulting LLC107$26.0K0.01%+2+1.9%Added
Avondale Wealth Management110$26.0K0.03%+110New
Smithfield Trust Co112$27.0K0.00%00.0%Unchanged
Equitec Proprietary Markets, LLC113$27.0K0.01%+113New
EverSource Wealth Advisors, LLC111$27.0K0.01%+111New
First Manhattan Co120$28.0K0.00%00.0%Unchanged
Logan Capital Management Inc115$28.0K0.00%00.0%Unchanged
Hartford Financial Management Inc.115$28.0K0.01%00.0%Unchanged
Sandy Spring Bank115$28.0K0.00%00.0%Unchanged
Tarbox Family Office, Inc.118$28.0K0.00%+22+22.9%Added
Amplius Wealth Advisors, LLC118$28.0K0.00%+118New
Northern Oak Wealth Management Inc125$30.0K0.00%00.0%Unchanged
Bellwether Advisors, LLC132$31.0K0.01%−105−44.3%Reduced
Founders Capital Management130$31.0K0.02%00.0%Unchanged
FourThought Financial, LLC128$31.0K0.00%−4−3.0%Reduced
Total Clarity Wealth Management, Inc.135$32.0K0.01%00.0%Unchanged
JJJ Advisors Inc.139$33.0K0.01%−322−69.8%Reduced
Accel Wealth Management137$33.0K0.02%00.0%Unchanged
Gables Capital Management Inc.136$33.0K0.02%00.0%Unchanged
Atlas Capital Advisors LLC143$34.3K0.01%−1,541−91.5%Reduced
Hudock, Inc.147$35.0K0.01%+2+1.4%Added
BDO Wealth Advisors, LLC145$35.0K0.00%00.0%Unchanged
Jones Financial Companies LLLP160$38.0K0.00%+160New
Harbour Investments, Inc.162$39.0K0.00%−402−71.3%Reduced
Trust Co163$39.0K0.01%00.0%Unchanged
Silvant Capital Management LLC164$39.0K0.01%00.0%Unchanged
Graves-Light Private Wealth Management, Inc.162$39.0K0.01%00.0%Unchanged
Stephens Consulting, LLC165$39.6K0.03%+165New
Sierra Capital LLC165$40.0K0.01%+14+9.3%Added
Centerpoint Advisors, LLC167$40.0K0.02%+167New
Future Financial Wealth Managment LLC165$40.0K0.03%+165New
Hexagon Capital Partners LLC177$42.0K0.01%00.0%Unchanged
O'Dell Group, LLC181$43.0K0.01%00.0%Unchanged
TD Ameritrade Investment Management, LLC180$43.0K0.00%+180New
Barrett Asset Management, LLC185$44.0K0.00%+10+5.7%Added
Covestor Ltd184$44.0K0.06%+184New
Gemmer Asset Management LLC190$46.0K0.01%−10−5.0%Reduced
CoreFirst Bank & Trust200$48.0K0.03%−250−55.6%Reduced
Zions Bancorporation, N.A.199$48.0K0.00%−29−12.7%Reduced
Crescent Capital Consulting, LLC200$48.0K0.01%+200New
Montag A & Associates Inc209$50.0K0.00%00.0%Unchanged
Patriot Financial Group Insurance Agency, LLC227$54.0K0.01%−240−51.4%Reduced
Eagle Bay Advisors LLC223$54.0K0.04%−131−37.0%Reduced
Plante Moran Financial Advisors, LLC229$55.0K0.01%−33−12.6%Reduced
Simon Quick Advisors, LLC230$55.0K0.01%−6−2.5%Reduced
Gradient Investments LLC232$56.0K0.00%00.0%Unchanged
Masso Torrence Wealth Management Inc.235$56.0K0.04%+235New
Maj Invest Holding A/S250$60.0K0.00%00.0%Unchanged
TD Private Client Wealth LLC255$61.2K0.00%−63−19.8%Reduced
City Holding Co300$63.0K0.01%−125−29.4%Reduced
Concord Wealth Partners265$64.0K0.02%+241+1,004.2%Added
Asset Dedication, LLC271$65.0K0.01%−76−21.9%Reduced
Disciplined Investments, LLC277$66.0K0.03%00.0%Unchanged
HM Payson & Co300$72.0K0.00%00.0%Unchanged
Quent Capital, LLC320$77.0K0.02%+320New
Washington Trust Co327$78.0K0.00%−102−23.8%Reduced
Itau Unibanco Holding S.A.327$78.0K0.00%+105+47.3%Added
Glassman Wealth Services334$80.0K0.01%+2+0.6%Added
Point72 Hong Kong Ltd339$81.0K0.01%−22,020−98.5%Reduced
Optimum Investment Advisors351$84.0K0.03%00.0%Unchanged
Cambridge Trust Co368$88.0K0.00%+368New
Castleview Partners, LLC21,112$88.0K0.00%+21,112New
North Star Investment Management Corp.385$92.0K0.01%+198+105.9%Added
Norwood Financial Corp390$93.0K0.13%+390New
Snowden Capital Advisors LLC390$93.0K0.00%+390New
Zullo Investment Group, Inc.398$95.0K0.05%+398New
Baldwin Brothers Inc400$96.0K0.01%−80−16.7%Reduced
Bedel Financial Consulting, Inc.406$97.0K0.03%00.0%Unchanged
Pinnacle Bancorp, Inc.407$98.0K0.03%−70−14.7%Reduced
True Link Financial Advisors, LLC–$102.0K0.01%––
Dougherty Wealth Advisers LLC428$103.0K0.14%00.0%Unchanged
Thompson Siegel & Walmsley LLC441$106.0K0.00%−5−1.1%Reduced
WFA of San Diego, LLC442$106.0K0.06%00.0%Unchanged
LeJeune Puetz Investment Counsel LLC452$108.0K0.04%00.0%Unchanged
Desjardins Global Asset Management Inc.459$110.0K0.01%+459New
Wolff Wiese Magana LLC464$111.0K0.07%−5−1.1%Reduced
Quadrant Capital Group LLC465$112.0K0.01%−168−26.5%Reduced
Institutional & Family Asset Management, LLC471$113.0K0.02%−75−13.7%Reduced
Roberts Capital Advisors, LLC470$113.0K0.11%+470New
Lindbrook Capital, LLC482$116.0K0.02%+236+95.9%Added
CoreCap Advisors, LLC489$117.0K0.01%+489New
Ancora Advisors, LLC505$121.0K0.00%−868−63.2%Reduced
Key Financial Inc505$121.0K0.06%+10+2.0%Added
City State Bank510$122.0K0.08%+510New