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, Q1 2023
Institutional positions in Biogen Inc. as of Mar 31, 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
- 1,004
- −11 vs. Q4 2022
- Shares held
- 127.9M
- +3.08M (+2.5%) vs. Q4 2022
- Total value
- $35.0B
- +$421.8M (+1.2%) vs. Q4 2022
- New holders
- 88
- 342 more added
- Sold out
- 99
- 365 more reduced
18 institutions that held it in Q4 2022 haven't filed for Q1 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 2022: 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.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 1,046 | $30.7B |
| Q1 2026 | 1,014 | $24.7B |
| Q4 2025 | 1,001 | $24.6B |
| Q3 2025 | 908 | $18.4B |
| Q2 2025 | 867 | $16.3B |
| Q1 2025 | 882 | $17.7B |
| Q4 2024 | 879 | $20.2B |
| Q3 2024 | 921 | $25.1B |
| Q2 2024 | 947 | $29.9B |
| Q1 2024 | 955 | $28.0B |
| Q4 2023 | 1,005 | $33.3B |
| Q3 2023 | 966 | $32.2B |
| Q2 2023 | 1,009 | $36.1B |
| Q1 2023 | 1,004 | $35.0B |
| Q4 2022 | 1,033 | $34.6B |
| Q3 2022 | 987 | $33.0B |
| Q2 2022 | 930 | $25.0B |
| Q1 2022 | 954 | $25.9B |
| Q4 2021 | 1,014 | $29.7B |
| Q3 2021 | 1,044 | $35.1B |
| Q2 2021 | 1,107 | $43.6B |
| Q1 2021 | 1,096 | $35.7B |
Institutions, Q1 2023
Shares, value and share of portfolio for each institution holding Biogen Inc.; share changes are against Q4 2022.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Vanguard Group Inc | 12,157,662 | $3.38B | 0.09% | +181,039+1.5% | Added |
| BlackRock Inc. | 13,986,221 | $3.89B | 0.12% | −274,392−1.9% | Reduced |
| Primecap Management Co | 16,001,166 | $4.45B | 3.88% | +300,590+1.9% | Added |
| Transamerica Financial Advisors, Inc. | 1 | – | – | +1 | New |
| Lord, Abbett & Co. LLC | 0 | $0 | 0.00% | −264,315−100.0% | Sold out |
| Qube Research & Technologies Ltd | 0 | $0 | 0.00% | −228,626−100.0% | Sold out |
| Two Sigma Investments, LP | 0 | $0 | 0.00% | −213,939−100.0% | Sold out |
| PFM Health Sciences, LP | 0 | $0 | 0.00% | −155,659−100.0% | Sold out |
| Squarepoint Ops LLC | 0 | $0 | 0.00% | −138,293−100.0% | Sold out |
| HRT Financial LP | 0 | $0 | 0.00% | −133,064−100.0% | Sold out |
| Pura Vida Investments, LLC | 0 | $0 | 0.00% | −62,720−100.0% | Sold out |
| Turiya Advisors Asia Ltd | 0 | $0 | 0.00% | −59,929−100.0% | Sold out |
| Worldquant Millennium Advisors LLC | 0 | $0 | 0.00% | −52,152−100.0% | Sold out |
| Segantii Capital Management Ltd | 0 | $0 | 0.00% | −40,000−100.0% | Sold out |
| Aquatic Capital Management LLC | 0 | $0 | 0.00% | −34,700−100.0% | Sold out |
| HAP Trading, LLC | 0 | $0 | 0.00% | −27,549−100.0% | Sold out |
| Alyeska Investment Group, L.P. | 0 | $0 | 0.00% | −25,064−100.0% | Sold out |
| Tamarack Advisers, LP | 0 | $0 | 0.00% | −20,000−100.0% | Sold out |
| Trexquant Investment LP | 0 | $0 | 0.00% | −18,397−100.0% | Sold out |
| Nomura Holdings Inc | 0 | $0 | 0.00% | −18,505−100.0% | Sold out |
| Capital Fund Management S.A. | 0 | $0 | 0.00% | −17,431−100.0% | Sold out |
| Caption Management, LLC | 0 | $0 | 0.00% | −12,000−100.0% | Sold out |
| Quantitative Investment Management, LLC | 0 | $0 | 0.00% | −10,611−100.0% | Sold out |
| Healthcare of Ontario Pension Plan Trust Fund | 0 | $0 | 0.00% | −8,411−100.0% | Sold out |
| Arlington Capital Management, Inc. | 0 | $0 | 0.00% | −8,116−100.0% | Sold out |
| Teza Capital Management LLC | 0 | $0 | 0.00% | −8,074−100.0% | Sold out |
| Copperwynd Financial, LLC | 0 | $0 | 0.00% | −6,389−100.0% | Sold out |
| Centiva Capital, LP | 0 | $0 | 0.00% | −6,038−100.0% | Sold out |
| Simplify Asset Management Inc. | 0 | $0 | 0.00% | −5,836−100.0% | Sold out |
| Allstate Corp | 0 | $0 | 0.00% | −5,784−100.0% | Sold out |
| Redwood Investment Management, LLC | 0 | $0 | 0.00% | −5,467−100.0% | Sold out |
| Gsa Capital Partners LLP | 0 | $0 | 0.00% | −5,316−100.0% | Sold out |
| Carlson Capital L P | 0 | $0 | 0.00% | −5,000−100.0% | Sold out |
| Tudor Investment Corp Et Al | 0 | $0 | 0.00% | −4,995−100.0% | Sold out |
| Cornercap Investment Counsel Inc | 0 | $0 | 0.00% | −4,991−100.0% | Sold out |
| Dynamic Technology Lab Private Ltd | 0 | $0 | 0.00% | −4,737−100.0% | Sold out |
| Tactive Advisors, LLC | 0 | $0 | 0.00% | −4,389−100.0% | Sold out |
| Motley Fool Asset Management LLC | 0 | $0 | 0.00% | −3,607−100.0% | Sold out |
| Scotia Capital Inc. | 0 | $0 | 0.00% | −3,516−100.0% | Sold out |
| SYSTM Wealth Solutions LLC | 0 | $0 | 0.00% | −3,363−100.0% | Sold out |
| Quantamental Technologies LLC | 0 | $0 | 0.00% | −3,271−100.0% | Sold out |
| Autumn Glory Partners, LLC | 0 | $0 | 0.00% | −3,057−100.0% | Sold out |
| Mizuho Markets Cayman LP | 0 | $0 | 0.00% | −2,615−100.0% | Sold out |
| TriaGen Wealth Management LLC | 0 | $0 | 0.00% | −2,536−100.0% | Sold out |
| Cowen and Company, LLC | 0 | $0 | 0.00% | −2,500−100.0% | Sold out |
| Kula Investments, LLC | 0 | $0 | 0.00% | −2,456−100.0% | Sold out |
| Financial Partners Group, LLC | 0 | $0 | 0.00% | −2,130−100.0% | Sold out |
| ETF Managers Group, LLC | 0 | $0 | 0.00% | −2,034−100.0% | Sold out |
| Fox Run Management, L.L.C. | 0 | $0 | 0.00% | −1,854−100.0% | Sold out |
| Hillsdale Investment Management Inc. | 0 | $0 | 0.00% | −1,790−100.0% | Sold out |
| Park Avenue Securities LLC | 0 | $0 | 0.00% | −1,698−100.0% | Sold out |
| Capula Management Ltd | 0 | $0 | 0.00% | −1,690−100.0% | Sold out |
| Belvedere Trading LLC | 0 | $0 | 0.00% | −1,675−100.0% | Sold out |
| SRB Corp | 0 | $0 | 0.00% | −1,457−100.0% | Sold out |
| Bridgefront Capital, LLC | 0 | $0 | 0.00% | −1,445−100.0% | Sold out |
| Suvretta Capital Management, LLC | 0 | $0 | 0.00% | −1,430−100.0% | Sold out |
| Magnetar Financial LLC | 0 | $0 | 0.00% | −1,337−100.0% | Sold out |
| RIA Advisory Group LLC | 0 | $0 | 0.00% | −1,315−100.0% | Sold out |
| Grant/GrossMendelsohn, LLC | 0 | $0 | 0.00% | −1,290−100.0% | Sold out |
| Triad Financial Advisors, Inc. | 0 | $0 | 0.00% | −1,040−100.0% | Sold out |
| Paloma Partners Management Co | 0 | $0 | 0.00% | −1,007−100.0% | Sold out |
| Bourgeon Capital Management LLC | 0 | $0 | 0.00% | −1,000−100.0% | Sold out |
| LS Investment Advisors, LLC | 0 | $0 | 0.00% | −1,000−100.0% | Sold out |
| Sigma Planning Corp | 0 | $0 | 0.00% | −948−100.0% | Sold out |
| Wealthspire Advisors, LLC | 0 | $0 | 0.00% | −934−100.0% | Sold out |
| Quantbot Technologies LP | 0 | $0 | 0.00% | −907−100.0% | Sold out |
| Gratus Capital LLC | 0 | $0 | 0.00% | −905−100.0% | Sold out |
| International Assets Investment Management, LLC | 0 | $0 | 0.00% | −885−100.0% | Sold out |
| Q3 Asset Management | 0 | $0 | 0.00% | −874−100.0% | Sold out |
| Boothbay Fund Management, LLC | 0 | $0 | 0.00% | −850−100.0% | Sold out |
| IMPACTfolio, LLC | 0 | $0 | 0.00% | −837−100.0% | Sold out |
| XTX Topco Ltd | 0 | $0 | 0.00% | −830−100.0% | Sold out |
| Alpha Family Trust | 0 | $0 | 0.00% | −810−100.0% | Sold out |
| Palisades Hudson Asset Management, L.P. | 0 | $0 | 0.00% | −792−100.0% | Sold out |
| Capital Wealth Planning, LLC | 0 | $0 | 0.00% | −766−100.0% | Sold out |
| BSW Wealth Partners | 0 | $0 | 0.00% | −757−100.0% | Sold out |
| Buckingham Strategic Partners | 0 | $0 | 0.00% | −757−100.0% | Sold out |
| CIBC Private Wealth Group, LLC | 0 | $0 | 0.00% | −3,554−100.0% | Sold out |
| Old National Bancorp | 0 | $0 | 0.00% | −735−100.0% | Sold out |
| Main Street Financial Solutions, LLC | 0 | $0 | 0.00% | −728−100.0% | Sold out |
| Ritholtz Wealth Management | 0 | $0 | 0.00% | −725−100.0% | Sold out |
| Koshinski Asset Management, Inc. | 0 | $0 | 0.00% | −724−100.0% | Sold out |
| Romano Brothers and Company | 0 | $0 | 0.00% | −445−100.0% | Sold out |
| WFA of San Diego, LLC | 0 | $0 | 0.00% | −442−100.0% | Sold out |
| MEAG MUNICH ERGO, Kapitalanlagegesellschaft mbH | 0 | $0 | 0.00% | −400−100.0% | Sold out |
| State of Wyoming | 0 | $0 | 0.00% | −363−100.0% | Sold out |
| Zullo Investment Group, Inc. | 0 | $0 | 0.00% | −301−100.0% | Sold out |
| General Partner, Inc. | 0 | $0 | 0.00% | −284−100.0% | Sold out |
| Harbor Capital Advisors, Inc. | 0 | $0 | 0.00% | −268−100.0% | Sold out |
| Hanseatic Management Services Inc | 0 | $0 | 0.00% | −132−100.0% | Sold out |
| James Investment Research Inc | 0 | $0 | 0.00% | −102−100.0% | Sold out |
| MinichMacGregor Wealth Management, LLC | 0 | $0 | 0.00% | −100−100.0% | Sold out |
| Altshuler Shaham Ltd | 0 | $0 | 0.00% | −91−100.0% | Sold out |
| Norway Savings Bank | 0 | $0 | 0.00% | −60−100.0% | Sold out |
| Comerica Securities,inc. | 0 | $0 | 0.00% | −55−100.0% | Sold out |
| EWG Elevate Inc. | 0 | $0 | 0.00% | −40−100.0% | Sold out |
| Leelyn Smith, LLC | 0 | $0 | 0.00% | −35−100.0% | Sold out |
| Accurate Wealth Management, LLC | 0 | $0 | 0.00% | −23−100.0% | Sold out |
| My Personal CFO, LLC | 0 | $0 | 0.00% | −18−100.0% | Sold out |
| High Net Worth Advisory Group LLC | 0 | $0 | 0.00% | −15−100.0% | Sold out |