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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, Q3 2021

Institutional positions in Biogen Inc. as of Sep 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
1,044
−50 vs. Q2 2021
Shares held
123.8M
−1.32M (−1.1%) vs. Q2 2021
Total value
$35.1B
−$8.22B (−19.0%) vs. Q2 2021
New holders
74
351 more added
Sold out
124
398 more reduced

13 institutions that held it in Q2 2021 haven't filed for Q3 2021 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q2 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 holdersQ3 2021: 1,044 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 heldQ3 2021: $35.1B
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 20261,047$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, Q3 2021

Shares, value and share of portfolio for each institution holding Biogen Inc.; share changes are against Q2 2021.

Institutions holding BIIB in Q3 2021
InstitutionSharesValue% of portfolioChange in sharesAction
GPS Wealth Strategies Group, LLC1,015$287.0K0.07%−12−1.2%Reduced
Clearstead Advisors, LLC1,014$287.0K0.02%00.0%Unchanged
Palisades Hudson Asset Management, L.P.1,014$287.0K0.13%00.0%Unchanged
State of Wyoming1,020$288.0K0.19%−47−4.4%Reduced
North Star Asset Management Inc1,022$289.0K0.02%−50−4.7%Reduced
Nicholas Hoffman & Company, LLC.1,021$289.0K0.05%−35−3.3%Reduced
Mairs & Power Inc1,025$290.0K0.00%00.0%Unchanged
Focus Financial Network, Inc.1,025$290.1K0.04%−175−14.6%Reduced
Institute for Wealth Management, LLC.1,030$291.0K0.05%−40−3.7%Reduced
Gratus Capital LLC1,035$293.0K0.03%+173+20.1%Added
Prelude Capital Management, LLC1,040$294.0K0.02%−4,957−82.7%Reduced
YorkBridge Wealth Partners, LLC1,040$294.0K0.07%−8−0.8%Reduced
BLB&B Advisors, LLC1,043$295.0K0.02%+200+23.7%Added
Caldwell Trust Co1,058$299.4K0.04%−65−5.8%Reduced
Adams Chetwood Wealth Management LLC1,060$300.0K0.22%−27−2.5%Reduced
IFG Advisory, LLC1,084$306.0K0.03%00.0%Unchanged
Lincoln National Corp1,085$307.0K0.01%−1,920−63.9%Reduced
AE Wealth Management LLC1,085$307.0K0.00%+277+34.3%Added
Echo Street Capital Management LLC1,095$310.0K0.00%−817−42.7%Reduced
Coldstream Capital Management Inc1,094$310.0K0.02%−76−6.5%Reduced
Fort Sheridan Advisors LLC1,100$311.0K0.10%−100−8.3%Reduced
Blueshift Asset Management, LLC1,099$311.0K0.02%+1,099New
qPULA Trading Management LP1,101$312.0K0.49%+1,101New
Courier Capital LLC1,106$313.0K0.03%00.0%Unchanged
1832 Asset Management L.P.1,092$314.0K0.00%+1,092New
Spire Wealth Management1,115$316.0K0.01%00.0%Unchanged
Cozad Asset Management Inc1,121$317.0K0.05%00.0%Unchanged
Williams Jones Wealth Management, LLC.1,122$318.0K0.00%−64−5.4%Reduced
Bell Bank1,125$318.0K0.04%00.0%Unchanged
Virtus ETF Advisers LLC1,131$320.0K0.14%−98−8.0%Reduced
Defined Wealth Management, LLC1,139$322.0K0.29%+14+1.2%Added
Kestra Private Wealth Services, LLC1,143$323.0K0.02%−632−35.6%Reduced
Beaumont Asset Management, L.L.C.1,141$323.0K0.24%+41+3.7%Added
IHT Wealth Management, LLC1,144$324.0K0.03%−592−34.1%Reduced
Berman Capital Advisors, LLC1,148$324.0K0.05%+27+2.4%Added
Carroll Financial Associates, Inc.1,153$326.0K0.02%−274−19.2%Reduced
Ballentine Partners, LLC1,151$326.0K0.01%−162−12.3%Reduced
LGL Partners, LLC1,174$332.0K0.20%00.0%Unchanged
Waldron Private Wealth LLC1,174$332.0K0.02%+429+57.6%Added
Archer Investment Corp1,200$339.6K0.13%00.0%Unchanged
Boston Private Wealth LLC1,202$340.0K0.00%−69−5.4%Reduced
Tributary Capital Management, LLC1,200$340.0K0.03%−30−2.4%Reduced
GWM Advisors LLC1,205$341.0K0.01%+1,205New
MAI Capital Management1,208$342.0K0.01%−28−2.3%Reduced
Naples Global Advisors, LLC1,210$342.0K0.04%00.0%Unchanged
Winning Points Advisors, LLC1,219$345.0K0.26%00.0%Unchanged
Meristem Family Wealth, LLC1,220$345.0K0.03%+1,220New
LS Investment Advisors, LLC1,228$348.0K0.04%00.0%Unchanged
Valeo Financial Advisors, LLC1,229$348.0K0.02%+22+1.8%Added
HighPoint Advisor Group LLC1,228$348.0K0.03%+65+5.6%Added
Investors Asset Management of Georgia Inc1,232$349.0K0.18%00.0%Unchanged
Livingston Group Asset Management CO (operating as Southport Capital Management)1,233$349.0K0.14%00.0%Unchanged
Savant Capital, LLC1,241$351.0K0.01%+84+7.3%Added
Grace Capital1,300$351.0K0.22%+200+18.2%Added
Sentry Investment Management LLC1,244$352.0K0.10%−182−12.8%Reduced
Veriti Management LLC1,246$353.0K0.05%+200+19.1%Added
JNBA Financial Advisors1,251$354.0K0.05%00.0%Unchanged
Intellectus Partners, LLC1,281$363.0K0.09%−1,237−49.1%Reduced
BBR Partners, LLC1,287$364.0K0.03%00.0%Unchanged
Park Avenue Securities LLC1,286$364.0K0.01%+55+4.5%Added
Gladstone Institutional Advisory LLC1,295$366.0K0.04%−702−35.2%Reduced
Marcum Wealth, LLC1,296$367.0K0.06%+571+78.8%Added
Private Trust Co NA1,323$374.0K0.05%−35−2.6%Reduced
Transcend Wealth Collective, LLC1,387$376.0K0.03%00.0%Unchanged
Humankind Investments LLC1,338$379.0K0.17%+72+5.7%Added
CIBC Private Wealth Group, LLC1,370$388.0K0.00%−454−24.9%Reduced
Bowling Portfolio Management LLC1,371$388.0K0.09%−66−4.6%Reduced
Intrust Bank NA1,371$388.0K0.05%+12+0.9%Added
Ancora Advisors, LLC1,373$389.0K0.01%+25+1.9%Added
Retirement Capital Strategies1,380$391.0K0.15%00.0%Unchanged
Arkadios Wealth Advisors1,391$393.0K0.06%−152−9.9%Reduced
Diversified Trust Co1,389$393.0K0.01%00.0%Unchanged
Probity Advisors, Inc.1,387$393.0K0.08%+10+0.7%Added
TCTC Holdings, LLC1,400$396.0K0.02%00.0%Unchanged
Independent Advisor Alliance1,400$396.0K0.02%+123+9.6%Added
Parkside Financial Bank & Trust1,400$397.0K0.12%−15−1.1%Reduced
Kendall Capital Management1,415$400.0K0.22%−210−12.9%Reduced
Alexandria Capital, LLC1,412$400.0K0.04%+30+2.2%Added
Zhang Financial LLC1,426$404.0K0.09%+1,426New
Pendal Group Limited1,434$406.0K0.00%−104−6.8%Reduced
Platform Technology Partners1,486$421.0K0.19%00.0%Unchanged
Supplemental Annuity Collective Trust of NJ1,500$424.0K0.14%00.0%Unchanged
Tredje AP-fonden1,500$424.0K0.01%00.0%Unchanged
Flagship Harbor Advisors, LLC1,242$430.0K0.05%00.0%Unchanged
Y-Intercept (Hong Kong) Ltd1,533$434.0K0.08%−12,298−88.9%Reduced
Tokio Marine Asset Management Co Ltd1,538$435.0K0.04%+176+12.9%Added
Phoenix Holdings Ltd.1,534$437.0K0.01%+1,534New
Twin Capital Management Inc1,547$438.0K0.04%+18+1.2%Added
Trust Asset Management LLC1,547$438.0K0.06%+95+6.5%Added
Crescent Grove Advisors, LLC1,556$440.0K0.05%00.0%Unchanged
Clarius Group, LLC1,562$442.0K0.04%+5+0.3%Added
Baystate Wealth Management LLC1,564$443.0K0.04%00.0%Unchanged
Analyst IMS Investment Management Services Ltd.1,572$445.0K0.05%00.0%Unchanged
Duff & Phelps Investment Management Co1,581$447.0K0.01%−49−3.0%Reduced
Jacobi Capital Management LLC1,587$449.0K0.06%00.0%Unchanged
Ameritas Investment Company, LLC1,590$450.0K0.02%+824+107.6%Added
Mercer Capital Advisers, Inc.1,600$453.0K0.24%−500−23.8%Reduced
Systematic Financial Management LP1,600$453.0K0.01%00.0%Unchanged
Hotchkis & Wiley Capital Management LLC1,600$453.0K0.00%00.0%Unchanged
Geneos Wealth Management Inc.1,596$453.0K0.02%+187+13.3%Added