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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, 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: 1,046 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 20261,046$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, 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
Tradewinds, LLC.1,144$294.0K0.17%+1,144New
Harvest Fund Management Co., Ltd1,157$297.0K0.05%+429+58.9%Added
Sound View Wealth Advisors Group, LLC1,163$298.9K0.04%+1,163New
Mather Group, LLC.1,163$299.0K0.01%−474−29.0%Reduced
Culbertson A N & Co Inc1,165$299.4K0.06%00.0%Unchanged
Nwam LLC1,166$299.7K0.03%−92−7.3%Reduced
Snowden Capital Advisors LLC1,167$299.9K0.01%−424−26.6%Reduced
Bell Bank1,175$302.0K0.03%00.0%Unchanged
Westwood Wealth Management1,175$302.0K0.24%00.0%Unchanged
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
Waldron Private Wealth LLC1,180$303.3K0.02%+2+0.2%Added
Grandfield & Dodd, LLC1,199$308.2K0.02%00.0%Unchanged
Parkwood LLC1,206$310.0K0.06%−67−5.3%Reduced
Marcum Wealth, LLC1,207$310.2K0.04%+11+0.9%Added
Empirical Asset Management, LLC1,209$310.7K0.27%00.0%Unchanged
DGS Capital Management, LLC1,214$312.0K0.15%−170−12.3%Reduced
HBK Sorce Advisory LLC1,228$315.6K0.01%+409+49.9%Added
Valeo Financial Advisors, LLC1,243$319.5K0.01%+106+9.3%Added
Marex Group plc1,243$319.5K0.05%+530+74.3%Added
FineMark National Bank & Trust1,248$320.7K0.01%+25+2.0%Added
Boltwood Capital Management1,257$323.1K0.12%−11−0.9%Reduced
Wedmont Private Capital1,224$323.4K0.03%+47+4.0%Added
Altfest L J & Co Inc1,259$324.0K0.05%+1,259New
Corton Capital Inc.1,267$325.6K0.16%+1,267New
JNBA Financial Advisors1,272$326.9K0.04%+191+17.7%Added
Williams Jones Wealth Management, LLC.1,276$327.9K0.01%−105−7.6%Reduced
Ferguson Wellman Capital Management, Inc1,279$328.7K0.01%+4+0.3%Added
Platform Technology Partners1,289$331.3K0.16%00.0%Unchanged
Grant/GrossMendelsohn, LLC1,290$331.5K0.14%00.0%Unchanged
Symmetry Partners, LLC1,293$332.0K0.02%−314−19.5%Reduced
Royal Capital Wealth Management, LLC1,295$332.8K0.32%00.0%Unchanged
Avidian Wealth Solutions, LLC1,312$337.2K0.02%−2,092−61.5%Reduced
Cetera Advisors LLC1,356$348.5K0.01%−2,336−63.3%Reduced
Davenport & Co LLC1,360$349.5K0.00%+302+28.5%Added
Meiji Yasuda Life Insurance Co1,401$360.1K0.01%00.0%Unchanged
NewEdge Wealth, LLC1,402$360.3K0.01%+50+3.7%Added
Lavaca Capital LLC1,434$368.6K0.13%−17−1.2%Reduced
Transcend Wealth Collective, LLC1,435$368.8K0.04%−35−2.4%Reduced
Walleye Capital LLC1,438$369.6K0.01%−13,250−90.2%Reduced
Great Valley Advisor Group, Inc.1,445$370.9K0.02%+83+6.1%Added
Simplex Trading, LLC1,447$371.0K0.01%+1,447New
Kornitzer Capital Management Inc1,450$372.7K0.01%+1,450New
Lincoln National Corp1,456$374.2K0.01%−8,363−85.2%Reduced
Sentry LLC1,473$378.6K0.08%00.0%Unchanged
Moody National Bank Trust Division1,485$381.7K0.02%+54+3.8%Added
Wesbanco Bank Inc1,488$382.4K0.02%00.0%Unchanged
Analyst IMS Investment Management Services Ltd.1,488$384.0K0.02%00.0%Unchanged
Supplemental Annuity Collective Trust of NJ1,500$385.5K0.15%00.0%Unchanged
KMG Fiduciary Partners, LLC1,500$385.6K0.05%−196−11.6%Reduced
Ameritas Advisory Services, LLC1,503$389.8K0.02%+1,503New
Western Wealth Management, LLC1,524$391.7K0.03%−47−3.0%Reduced
Ballentine Partners, LLC1,528$392.7K0.01%+48+3.2%Added
Weik Capital Management1,535$394.5K0.19%+1,535New
Parkside Financial Bank & Trust1,535$394.5K0.09%+14+0.9%Added
Cornell Pochily Investment Advisors, Inc.1,546$397.3K0.17%00.0%Unchanged
Plancorp, LLC1,546$397.3K0.02%+10+0.7%Added
Cigna Investments Inc1,548$398.0K0.09%−195−11.2%Reduced
Elevatus Welath Management1,555$399.7K0.36%00.0%Unchanged
Fuller & Thaler Asset Management, Inc.1,576$405.0K0.00%+100+6.8%Added
PAX Financial Group, LLC1,577$405.3K0.09%+45+2.9%Added
Financial Advisory Corp1,582$407.0K0.19%−165−9.4%Reduced
Wedbush Securities Inc1,592$409.0K0.02%+16+1.0%Added
Humankind Investments LLC1,594$409.7K0.17%+231+16.9%Added
PDT Partners, LLC1,600$411.2K0.05%+1,600New
Bay Colony Advisory Group, Inc d/b/a Bay Colony Advisors1,620$416.4K0.10%+1,620New
Chicago Partners Investment Group LLC1,650$418.1K0.02%+50+3.1%Added
Verdence Capital Advisors LLC1,647$423.3K0.05%+112+7.3%Added
Wellington Shields Capital Management, LLC1,652$424.6K0.06%−152−8.4%Reduced
Regal Investment Advisors LLC1,653$424.8K0.04%+4+0.2%Added
Westpac Banking Corp1,655$425.4K0.03%+196+13.4%Added
Bank Julius Baer & Co. Ltd, Zurich1,659$426.0K0.00%−421−20.2%Reduced
Systematic Financial Management LP1,660$426.6K0.01%+20+1.2%Added
HB Wealth Management, LLC1,660$426.6K0.01%+194+13.2%Added
Flagship Harbor Advisors, LLC1,661$426.9K0.04%+130+8.5%Added
Trust Asset Management LLC1,662$427.2K0.05%00.0%Unchanged
Syon Capital LLC1,666$428.2K0.05%+1,666New
AE Wealth Management LLC1,666$428.2K0.00%+398+31.4%Added
Veriti Management LLC1,674$430.2K0.05%−250−13.0%Reduced
MEAG MUNICH ERGO, Kapitalanlagegesellschaft mbH1,675$430.5K0.02%+1,675New
IFG Advisory, LLC1,686$433.3K0.04%+1,686New
Meeder Advisory Services, Inc.1,694$435.4K0.05%−417−19.8%Reduced
Deseret Mutual Benefit Administrators1,698$436.4K0.21%−107−5.9%Reduced
AIA Group Ltd1,704$437.9K0.02%+80+4.9%Added
Pitcairn Co1,707$438.7K0.04%+53+3.2%Added
Clearstead Advisors, LLC1,714$440.5K0.03%+266+18.4%Added
Choate Investment Advisors1,723$442.8K0.02%+426+32.8%Added
Armstrong, Fleming & Moore, Inc1,733$445.5K0.43%00.0%Unchanged
Global Financial Private Client, LLC1,789$452.4K0.23%−6−0.3%Reduced
Mission Wealth Management, LP1,776$456.4K0.02%+184+11.6%Added
Eudaimonia Partners, LLC1,788$459.5K0.11%−3,326−65.0%Reduced
Greenleaf Trust1,790$460.0K0.01%+171+10.6%Added
Jacobi Capital Management LLC1,809$464.9K0.05%+352+24.2%Added
Schonfeld Strategic Advisors LLC1,835$471.6K0.00%+1,835New
Intrust Bank NA1,837$472.1K0.06%−100−5.2%Reduced
Rock Point Advisors, LLC1,840$472.9K0.16%+1,840New
Morningstar Investment Management LLC1,875$482.0K0.07%00.0%Unchanged
Forbes J M & Co LLP1,908$490.4K0.06%−170−8.2%Reduced
Johnson Investment Counsel Inc1,911$491.2K0.01%−19−1.0%Reduced
Empowered Funds, LLC1,922$494.0K0.01%+412+27.3%Added