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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
JFS Wealth Advisors, LLC79$20.3K0.00%00.0%Unchanged
Adirondack Trust Co80$20.6K0.01%00.0%Unchanged
Northwest Capital Management Inc80$20.6K0.01%00.0%Unchanged
Tompkins Financial Corp81$20.8K0.00%+81New
Earnest Partners LLC82$21.1K0.00%00.0%Unchanged
Washington Trust Advisors, Inc.86$22.1K0.00%00.0%Unchanged
Covestor Ltd93$24.0K0.02%+3+3.3%Added
Bell Investment Advisors, Inc97$24.9K0.01%+10+11.5%Added
Wellington Shields & Co., LLC100$25.7K0.01%−50−33.3%Reduced
Delta Asset Management LLC100$25.7K0.00%00.0%Unchanged
Focused Wealth Management, Inc100$25.7K0.00%00.0%Unchanged
Ofi Invest Asset Management106$25.7K0.00%+106New
Smithfield Trust Co104$26.0K0.00%00.0%Unchanged
CKW Financial Group100$26.0K0.00%00.0%Unchanged
Catalyst Capital Advisors LLC107$27.5K0.00%+27+33.8%Added
AdvisorNet Financial, Inc109$28.0K0.00%−419−79.4%Reduced
Gladius Capital Management LP109$28.0K0.01%+109New
Avondale Wealth Management110$28.3K0.02%00.0%Unchanged
Sittner & Nelson, LLC110$28.3K0.02%00.0%Unchanged
New England Capital Financial Advisors LLC113$29.0K0.02%00.0%Unchanged
Sandy Spring Bank115$29.6K0.00%00.0%Unchanged
KB Financial Partners, LLC121$31.0K0.01%+62+105.1%Added
Founders Capital Management130$33.4K0.03%00.0%Unchanged
Bartlett & Co. Wealth Management LLC140$36.0K0.00%00.0%Unchanged
Bartlett & Co. LLC140$36.0K0.00%00.0%Unchanged
Union Savings Bank145$37.3K0.02%00.0%Unchanged
Indiana Trust & Investment Management CO145$37.3K0.02%+145New
Ronald Blue Trust, Inc.138$40.0K0.00%+37+36.6%Added
Zions Bancorporation, N.A.156$40.1K0.00%−2−1.3%Reduced
Global Retirement Partners, LLC156$40.1K0.00%+27+20.9%Added
First Manhattan Co160$41.1K0.00%−1−0.6%Reduced
Trust Co163$41.9K0.01%00.0%Unchanged
Livforsakringsbolaget Skandia, Omsesidigt167$42.9K0.00%00.0%Unchanged
Centerpoint Advisors, LLC167$43.0K0.02%00.0%Unchanged
Capital Advisors, Ltd. LLC173$44.0K0.01%−8−4.4%Reduced
Pflug Koory, LLC183$47.0K0.03%+23+14.4%Added
Baker Avenue Asset Management, LP183$47.0K0.00%+125+215.5%Added
Itau Unibanco Holding S.A.209$53.7K0.00%−1−0.5%Reduced
Rogco, LP209$53.7K0.03%+209New
Montag A & Associates Inc209$53.7K0.00%−16−7.1%Reduced
Asset Dedication, LLC210$54.0K0.00%−13−5.8%Reduced
Impact Partnership Wealth, LLC212$54.5K0.02%+206+3,433.3%Added
City Holding Co225$57.8K0.01%−75−25.0%Reduced
Bogart Wealth, LLC228$58.6K0.00%+8+3.6%Added
Gradient Investments LLC230$59.1K0.00%00.0%Unchanged
American National Bank230$59.1K0.01%+229+22,900.0%Added
Massmutual Trust Co FSB231$59.4K0.00%−23−9.1%Reduced
Central Trust Co233$59.9K0.00%−405−63.5%Reduced
Ancora Advisors, LLC241$61.9K0.00%00.0%Unchanged
HM Payson & Co250$64.3K0.00%+200+400.0%Added
Cullen/Frost Bankers, Inc.272$69.9K0.00%00.0%Unchanged
Colonial Trust Co273$70.2K0.02%−168−38.1%Reduced
First Horizon Advisors, Inc.278$71.4K0.00%−460−62.3%Reduced
Quent Capital, LLC288$74.0K0.01%−4−1.4%Reduced
CoreFirst Bank & Trust304$78.1K0.06%00.0%Unchanged
Sunbelt Securities, Inc.306$78.6K0.01%00.0%Unchanged
Washington Trust Co312$80.2K0.00%00.0%Unchanged
Cambridge Trust Co335$86.1K0.00%00.0%Unchanged
MCF Advisors LLC340$87.4K0.01%−37−9.8%Reduced
Mirova346$88.9K0.02%−492−58.7%Reduced
Glassman Wealth Services349$89.7K0.01%−7−2.0%Reduced
Geneos Wealth Management Inc.350$90.0K0.00%−80−18.6%Reduced
Optimum Investment Advisors351$90.2K0.05%00.0%Unchanged
Armstrong Advisory Group, Inc356$91.5K0.01%00.0%Unchanged
Jamison Private Wealth Management, Inc.365$93.8K0.02%+365New
WR Wealth Planners, LLC365$93.8K0.04%+365New
JJJ Advisors Inc.370$95.1K0.03%+6+1.6%Added
Norwood Financial Corp385$98.9K0.16%+10+2.7%Added
Thompson Siegel & Walmsley LLC393$101.0K0.00%00.0%Unchanged
Compagnie Lombard Odier SCmA400$102.8K0.00%+215+116.2%Added
Front Street Capital Management, Inc.400$103.0K0.02%+400New
Horizon Bancorp Inc411$106.0K0.07%+322+361.8%Added
Rosenberg Matthew Hamilton413$106.1K0.04%00.0%Unchanged
NBC Securities, Inc.428$110.0K0.01%+428New
Institutional & Family Asset Management, LLC430$110.5K0.02%+29+7.2%Added
WFA of San Diego, LLC433$111.3K0.12%00.0%Unchanged
FinTrust Capital Advisors, LLC447$114.9K0.03%+406+990.2%Added
Paradigm Asset Management Co LLC455$116.9K0.03%00.0%Unchanged
Key Financial Inc462$118.7K0.04%00.0%Unchanged
Newbridge Financial Services Group, Inc.500$128.5K0.06%−200−28.6%Reduced
Alta Advisers Ltd500$128.5K0.07%00.0%Unchanged
Provenance Wealth Advisors, LLC500$128.5K0.02%+500New
Twin Lakes Capital Management, LLC511$131.3K0.10%00.0%Unchanged
Capital Analysts, LLC516$133.0K0.01%00.0%Unchanged
EverSource Wealth Advisors, LLC520$133.6K0.01%−3−0.6%Reduced
Rowland & Co Investment Counsel544$139.8K0.03%00.0%Unchanged
Cassady Schiller Wealth Management, LLC546$140.3K0.08%00.0%Unchanged
Kelly Financial Services LLC564$144.9K0.07%00.0%Unchanged
Spire Wealth Management581$149.4K0.01%−99−14.6%Reduced
Private Trust Co NA594$152.7K0.02%+35+6.3%Added
Hanson & Doremus Investment Management601$154.0K0.03%00.0%Unchanged
Salem Investment Counselors Inc608$156.3K0.01%+1+0.2%Added
Allworth Financial LP617$158.6K0.00%+41+7.1%Added
Lindbrook Capital, LLC622$159.9K0.02%−91−12.8%Reduced
Quadrant Capital Group LLC636$163.5K0.02%−88−12.2%Reduced
Oakworth Capital, Inc.659$169.4K0.02%00.0%Unchanged
Concord Wealth Partners671$172.5K0.04%+557+488.6%Added
Umb Bank N A674$173.2K0.00%−23−3.3%Reduced
Quantbot Technologies LP691$177.6K0.01%+691New
Brown Shipley& Co Ltd732$188.1K0.10%−102−12.2%Reduced