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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, Q2 2023

Institutional positions in Biogen Inc. as of Jun 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
1,009
+11 vs. Q1 2023
Shares held
126.8M
−1.09M (−0.9%) vs. Q1 2023
Total value
$36.1B
+$1.11B (+3.2%) vs. Q1 2023
New holders
96
322 more added
Sold out
85
363 more reduced

6 institutions that held it in Q1 2023 haven't filed for Q2 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q1 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 holdersQ2 2023: 1,009 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 heldQ2 2023: $36.1B
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 20261,046$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, Q2 2023

Shares, value and share of portfolio for each institution holding Biogen Inc.; share changes are against Q1 2023.

Institutions holding BIIB in Q2 2023
InstitutionSharesValue% of portfolioChange in sharesAction
Webster Bank, N. A.75$21.4K0.00%00.0%Unchanged
Independence Bank of Kentucky75$21.4K0.01%00.0%Unchanged
Adirondack Trust Co80$21.6K0.01%00.0%Unchanged
WealthPLAN Partners, LLC77$21.9K0.00%00.0%Unchanged
JFS Wealth Advisors, LLC79$22.5K0.00%00.0%Unchanged
Catalyst Capital Advisors LLC80$22.8K0.00%−4−4.8%Reduced
Northwest Capital Management Inc80$22.8K0.01%+80New
Tradition Wealth Management, LLC81$23.0K0.00%+1+1.3%Added
Earnest Partners LLC82$23.4K0.00%00.0%Unchanged
Versant Capital Management, Inc82$23.4K0.01%+13+18.8%Added
Washington Trust Advisors, Inc.86$24.5K0.00%−110−56.1%Reduced
Bell Investment Advisors, Inc87$24.8K0.01%00.0%Unchanged
Horizon Bancorp Inc89$25.0K0.02%+50+128.2%Added
Atlas Capital Advisors LLC88$25.1K0.00%00.0%Unchanged
Stonebridge Capital Advisors LLC89$25.4K0.00%+29+48.3%Added
Hexagon Capital Partners LLC91$25.9K0.01%+3+3.4%Added
Covestor Ltd90$26.0K0.02%−95−51.4%Reduced
MV Capital Management, Inc.92$26.2K0.00%+17+22.7%Added
Ronald Blue Trust, Inc.101$28.0K0.00%−92−47.7%Reduced
CKW Financial Group100$28.0K0.00%00.0%Unchanged
Delta Asset Management LLC100$28.5K0.00%00.0%Unchanged
Focused Wealth Management, Inc100$28.5K0.01%00.0%Unchanged
Smithfield Trust Co104$30.0K0.00%00.0%Unchanged
Grove Bank & Trust108$30.8K0.01%00.0%Unchanged
Avondale Wealth Management110$31.3K0.03%00.0%Unchanged
Sittner & Nelson, LLC110$31.3K0.02%00.0%Unchanged
New England Capital Financial Advisors LLC113$32.2K0.02%00.0%Unchanged
Concord Wealth Partners114$32.5K0.01%00.0%Unchanged
Sandy Spring Bank115$32.8K0.00%00.0%Unchanged
CVA Family Office, LLC115$32.8K0.01%+10+9.5%Added
Global Retirement Partners, LLC129$36.7K0.00%+1+0.8%Added
Founders Capital Management130$37.0K0.03%00.0%Unchanged
Gables Capital Management Inc.136$38.7K0.03%00.0%Unchanged
Union Savings Bank145$39.2K0.02%+145New
Bartlett & Co. Wealth Management LLC140$39.9K0.00%00.0%Unchanged
Bartlett & Co. LLC140$40.0K0.00%00.0%Unchanged
BDO Wealth Advisors, LLC145$41.3K0.00%00.0%Unchanged
Wellington Shields & Co., LLC150$42.7K0.01%00.0%Unchanged
Zions Bancorporation, N.A.158$45.0K0.00%00.0%Unchanged
Pflug Koory, LLC160$45.6K0.02%00.0%Unchanged
First Manhattan Co161$45.9K0.00%00.0%Unchanged
Trust Co163$46.4K0.01%00.0%Unchanged
Livforsakringsbolaget Skandia, Omsesidigt167$47.6K0.00%00.0%Unchanged
Centerpoint Advisors, LLC167$48.0K0.02%00.0%Unchanged
Capital Advisors, Ltd. LLC181$52.0K0.01%+164+964.7%Added
Compagnie Lombard Odier SCmA185$52.7K0.00%−200−51.9%Reduced
West Tower Group, LLC200$57.0K0.04%+200New
Itau Unibanco Holding S.A.210$59.8K0.00%−1−0.5%Reduced
Activest Wealth Management218$60.4K0.04%+203+1,353.3%Added
Bogart Wealth, LLC220$62.7K0.00%+20+10.0%Added
Montag A & Associates Inc225$64.1K0.00%00.0%Unchanged
Asset Dedication, LLC223$65.0K0.01%00.0%Unchanged
Gradient Investments LLC230$65.5K0.00%00.0%Unchanged
Ancora Advisors, LLC241$68.6K0.00%00.0%Unchanged
Harel Insurance Investments & Financial Services Ltd.255$72.0K0.00%−206−44.7%Reduced
Massmutual Trust Co FSB254$72.4K0.00%+54+27.0%Added
Cullen/Frost Bankers, Inc.272$77.5K0.00%−10−3.5%Reduced
Quent Capital, LLC292$83.2K0.01%+7+2.5%Added
Disciplined Investments, LLC295$84.0K0.04%−3−1.0%Reduced
City Holding Co300$85.5K0.01%00.0%Unchanged
CoreFirst Bank & Trust304$86.6K0.06%00.0%Unchanged
Sunbelt Securities, Inc.306$87.2K0.01%00.0%Unchanged
Washington Trust Co312$88.9K0.00%00.0%Unchanged
Farther Finance Advisors, LLC334$95.1K0.02%+145+76.7%Added
Cambridge Trust Co335$95.4K0.00%−62−15.6%Reduced
C M Bidwell & Associates Ltd348$99.1K0.07%−418−54.6%Reduced
Optimum Investment Advisors351$100.0K0.05%00.0%Unchanged
Glassman Wealth Services356$101.4K0.02%−13−3.5%Reduced
Armstrong Advisory Group, Inc356$101.4K0.01%00.0%Unchanged
JJJ Advisors Inc.364$103.7K0.03%+21+6.1%Added
State of Wyoming368$104.8K0.03%+368New
LFA - Lugano Financial Advisors SA371$105.7K0.07%00.0%Unchanged
Norwood Financial Corp375$106.8K0.16%−30−7.4%Reduced
MCF Advisors LLC377$107.4K0.01%00.0%Unchanged
Thompson Siegel & Walmsley LLC393$112.0K0.00%−48−10.9%Reduced
Institutional & Family Asset Management, LLC401$114.2K0.02%−3−0.7%Reduced
Rosenberg Matthew Hamilton413$117.6K0.04%−72−14.8%Reduced
Geneos Wealth Management Inc.430$122.5K0.01%+200+87.0%Added
WFA of San Diego, LLC433$123.3K0.12%+433New
PEAK6 Investments LLC437$124.5K0.01%−4,809−91.7%Reduced
Colonial Trust Co441$125.6K0.03%+200+83.0%Added
Paradigm Asset Management Co LLC455$129.6K0.03%00.0%Unchanged
Key Financial Inc462$131.6K0.04%+7+1.5%Added
Alta Advisers Ltd500$142.4K0.08%00.0%Unchanged
Twin Lakes Capital Management, LLC511$145.6K0.10%00.0%Unchanged
Capital Analysts, LLC516$147.0K0.01%00.0%Unchanged
EverSource Wealth Advisors, LLC523$149.0K0.02%−14−2.6%Reduced
AdvisorNet Financial, Inc528$150.4K0.01%−5−0.9%Reduced
Rowland & Co Investment Counsel544$155.0K0.04%−92−14.5%Reduced
Cassady Schiller Wealth Management, LLC546$155.5K0.08%00.0%Unchanged
Private Trust Co NA559$159.2K0.02%+36+6.9%Added
Kelly Financial Services LLC564$160.6K0.08%00.0%Unchanged
Allworth Financial LP576$164.1K0.00%+3+0.5%Added
Hanson & Doremus Investment Management601$171.0K0.04%00.0%Unchanged
Salem Investment Counselors Inc607$172.9K0.01%00.0%Unchanged
Central Trust Co638$181.7K0.01%00.0%Unchanged
Oakworth Capital, Inc.659$187.7K0.02%00.0%Unchanged
Manchester Capital Management LLC666$189.7K0.03%00.0%Unchanged
Spire Wealth Management680$193.7K0.01%−14−2.0%Reduced
Umb Bank N A697$198.5K0.00%00.0%Unchanged