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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 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: 1,047 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 20261,047$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 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
PDT Partners, LLC1,600$411.2K0.05%+1,600New
Humankind Investments LLC1,594$409.7K0.17%+231+16.9%Added
Wedbush Securities Inc1,592$409.0K0.02%+16+1.0%Added
Financial Advisory Corp1,582$407.0K0.19%−165−9.4%Reduced
PAX Financial Group, LLC1,577$405.3K0.09%+45+2.9%Added
Fuller & Thaler Asset Management, Inc.1,576$405.0K0.00%+100+6.8%Added
Elevatus Welath Management1,555$399.7K0.36%00.0%Unchanged
Cigna Investments Inc1,548$398.0K0.09%−195−11.2%Reduced
Cornell Pochily Investment Advisors, Inc.1,546$397.3K0.17%00.0%Unchanged
Plancorp, LLC1,546$397.3K0.02%+10+0.7%Added
Parkside Financial Bank & Trust1,535$394.5K0.09%+14+0.9%Added
Weik Capital Management1,535$394.5K0.19%+1,535New
Ballentine Partners, LLC1,528$392.7K0.01%+48+3.2%Added
Western Wealth Management, LLC1,524$391.7K0.03%−47−3.0%Reduced
Ameritas Advisory Services, LLC1,503$389.8K0.02%+1,503New
KMG Fiduciary Partners, LLC1,500$385.6K0.05%−196−11.6%Reduced
Supplemental Annuity Collective Trust of NJ1,500$385.5K0.15%00.0%Unchanged
Analyst IMS Investment Management Services Ltd.1,488$384.0K0.02%00.0%Unchanged
Wesbanco Bank Inc1,488$382.4K0.02%00.0%Unchanged
Moody National Bank Trust Division1,485$381.7K0.02%+54+3.8%Added
Sentry LLC1,473$378.6K0.08%00.0%Unchanged
Lincoln National Corp1,456$374.2K0.01%−8,363−85.2%Reduced
Kornitzer Capital Management Inc1,450$372.7K0.01%+1,450New
Simplex Trading, LLC1,447$371.0K0.01%+1,447New
Great Valley Advisor Group, Inc.1,445$370.9K0.02%+83+6.1%Added
Walleye Capital LLC1,438$369.6K0.01%−13,250−90.2%Reduced
Transcend Wealth Collective, LLC1,435$368.8K0.04%−35−2.4%Reduced
Lavaca Capital LLC1,434$368.6K0.13%−17−1.2%Reduced
NewEdge Wealth, LLC1,402$360.3K0.01%+50+3.7%Added
Meiji Yasuda Life Insurance Co1,401$360.1K0.01%00.0%Unchanged
Davenport & Co LLC1,360$349.5K0.00%+302+28.5%Added
Cetera Advisors LLC1,356$348.5K0.01%−2,336−63.3%Reduced
Avidian Wealth Solutions, LLC1,312$337.2K0.02%−2,092−61.5%Reduced
Royal Capital Wealth Management, LLC1,295$332.8K0.32%00.0%Unchanged
Symmetry Partners, LLC1,293$332.0K0.02%−314−19.5%Reduced
Grant/GrossMendelsohn, LLC1,290$331.5K0.14%00.0%Unchanged
Platform Technology Partners1,289$331.3K0.16%00.0%Unchanged
Ferguson Wellman Capital Management, Inc1,279$328.7K0.01%+4+0.3%Added
Williams Jones Wealth Management, LLC.1,276$327.9K0.01%−105−7.6%Reduced
JNBA Financial Advisors1,272$326.9K0.04%+191+17.7%Added
Corton Capital Inc.1,267$325.6K0.16%+1,267New
Altfest L J & Co Inc1,259$324.0K0.05%+1,259New
Wedmont Private Capital1,224$323.4K0.03%+47+4.0%Added
Boltwood Capital Management1,257$323.1K0.12%−11−0.9%Reduced
FineMark National Bank & Trust1,248$320.7K0.01%+25+2.0%Added
Marex Group plc1,243$319.5K0.05%+530+74.3%Added
Valeo Financial Advisors, LLC1,243$319.5K0.01%+106+9.3%Added
HBK Sorce Advisory LLC1,228$315.6K0.01%+409+49.9%Added
DGS Capital Management, LLC1,214$312.0K0.15%−170−12.3%Reduced
Empirical Asset Management, LLC1,209$310.7K0.27%00.0%Unchanged
Marcum Wealth, LLC1,207$310.2K0.04%+11+0.9%Added
Parkwood LLC1,206$310.0K0.06%−67−5.3%Reduced
Grandfield & Dodd, LLC1,199$308.2K0.02%00.0%Unchanged
Waldron Private Wealth LLC1,180$303.3K0.02%+2+0.2%Added
Resources Investment Advisors, LLC.1,178$302.8K0.01%+76+6.9%Added
Farther Finance Advisors, LLC1,178$302.8K0.05%+844+252.7%Added
Bell Bank1,175$302.0K0.03%00.0%Unchanged
Westwood Wealth Management1,175$302.0K0.24%00.0%Unchanged
Snowden Capital Advisors LLC1,167$299.9K0.01%−424−26.6%Reduced
Nwam LLC1,166$299.7K0.03%−92−7.3%Reduced
Culbertson A N & Co Inc1,165$299.4K0.06%00.0%Unchanged
Mather Group, LLC.1,163$299.0K0.01%−474−29.0%Reduced
Sound View Wealth Advisors Group, LLC1,163$298.9K0.04%+1,163New
Harvest Fund Management Co., Ltd1,157$297.0K0.05%+429+58.9%Added
Tradewinds, LLC.1,144$294.0K0.17%+1,144New
Prospera Financial Services Inc1,143$293.8K0.01%−5,821−83.6%Reduced
McIntyre Freedman & Flynn Investment Advisers Inc1,139$292.7K0.25%−12−1.0%Reduced
MAI Capital Management1,134$291.6K0.00%−826−42.1%Reduced
Qtron Investments LLC1,131$290.7K0.06%−1,271−52.9%Reduced
Integrated Advisors Network LLC1,128$289.9K0.02%+266+30.9%Added
We Are One Seven, LLC1,117$287.1K0.02%−234−17.3%Reduced
Reuter James Wealth Management, LLC1,103$283.5K0.21%−29−2.6%Reduced
Camelot Portfolios, LLC1,100$282.7K0.27%−1,000−47.6%Reduced
Cullinan Associates Inc1,100$282.7K0.02%00.0%Unchanged
Sompo Asset Management Co., Ltd.1,100$282.7K0.06%+1,100New
Foundations Investment Advisors, LLC1,099$282.5K0.01%+1,099New
First Light Asset Management, LLC1,096$281.7K0.03%00.0%Unchanged
Cognios Beta Neutral Large Cap Fund, LP1,080$277.6K0.36%−1,569−59.2%Reduced
Advisors Capital Management, LLC1,071$275.0K0.01%+1,071New
Worldquant Millennium Advisors LLC1,066$274.0K0.00%+1,066New
Clarius Group, LLC1,063$273.2K0.03%−350−24.8%Reduced
Conning Inc.1,058$271.9K0.01%−25−2.3%Reduced
Aviance Capital Partners, LLC1,035$266.0K0.06%00.0%Unchanged
Dana Investment Advisors, Inc.1,033$265.5K0.01%+1,033New
Virtus ETF Advisers LLC1,016$261.1K0.16%−129−11.3%Reduced
Mason & Associates Inc1,013$260.4K0.08%00.0%Unchanged
Waters Parkerson & Co., LLC1,013$260.0K0.02%00.0%Unchanged
Investors Asset Management of Georgia Inc1,032$259.5K0.14%00.0%Unchanged
Personal Cfo Solutions, LLC1,008$259.1K0.05%+29+3.0%Added
Machina Capital S.A.S.1,007$258.8K0.14%−1,387−57.9%Reduced
Kingswood Wealth Advisors, LLC1,006$258.6K0.04%+1,006New
Apollon Wealth Management, LLC1,004$258.0K0.01%+300+42.6%Added
Calamos Wealth Management LLC1,001$257.3K0.02%00.0%Unchanged
Empire Financial Management Company, LLC1,000$257.0K0.11%00.0%Unchanged
Himension Fund998$256.5K0.03%+998New
Fort Sheridan Advisors LLC995$255.7K0.06%+995New
PFG Advisors985$253.2K0.02%+58+6.3%Added
Baystate Wealth Management LLC984$253.1K0.02%+1+0.1%Added
Lido Advisors, LLC972$249.8K0.00%+233+31.5%Added
A. D. Beadell Investment Counsel, Inc.970$249.0K0.26%+970New