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, Q2 2024
Institutional positions in Biogen Inc. as of Jun 30, 2024. 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
- 947
- +5 vs. Q1 2024
- Shares held
- 129.0M
- −367.1K (−0.3%) vs. Q1 2024
- Total value
- $29.9B
- +$2.00B (+7.2%) vs. Q1 2024
- New holders
- 101
- 322 more added
- Sold out
- 96
- 338 more reduced
13 institutions that held it in Q1 2024 haven't filed for Q2 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 2024: 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 | 1,047 | $30.7B |
| Q1 2026 | 1,015 | $24.7B |
| Q4 2025 | 1,002 | $24.6B |
| Q3 2025 | 909 | $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, Q2 2024
Shares, value and share of portfolio for each institution holding Biogen Inc.; share changes are against Q1 2024.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| First Trust Advisors LP | 389,951 | $90.4M | 0.09% | +55,655+16.6% | Added |
| Balyasny Asset Management LLC | 394,887 | $91.5M | 0.24% | +394,887 | New |
| Royal Bank of Canada | 395,712 | $91.7M | 0.02% | −7,566−1.9% | Reduced |
| California Public Employees Retirement System | 396,065 | $91.8M | 0.07% | −8,354−2.1% | Reduced |
| Alyeska Investment Group, L.P. | 401,005 | $93.0M | 0.54% | +234,312+140.6% | Added |
| Swiss National Bank | 430,400 | $99.8M | 0.07% | −3,500−0.8% | Reduced |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 432,842 | $100.3M | 0.26% | −137,691−24.1% | Reduced |
| Barclays PLC | 447,653 | $103.8M | 0.05% | −92,912−17.2% | Reduced |
| UBS Group AG | 452,511 | $104.9M | 0.03% | −23,315−4.9% | Reduced |
| Bank of America Corp | 488,346 | $113.2M | 0.01% | +44,724+10.1% | Added |
| Allianz Asset Management GmbH | 528,178 | $122.4M | 0.20% | −92,066−14.8% | Reduced |
| Standard Life Aberdeen plc | 535,177 | $124.1M | 0.24% | +79,313+17.4% | Added |
| Massachusetts Financial Services Co | 548,673 | $127.2M | 0.04% | −26,302−4.6% | Reduced |
| FMR LLC | 610,416 | $141.5M | 0.01% | −10,434−1.7% | Reduced |
| Renaissance Technologies LLC | 618,106 | $143.3M | 0.24% | −266,598−30.1% | Reduced |
| Sarissa Capital Management LP | 643,000 | $149.1M | 25.16% | 00.0% | Unchanged |
| Deutsche Bank AG | 653,673 | $151.5M | 0.07% | −403,788−38.2% | Reduced |
| Amundi | 684,820 | $153.8M | 0.06% | −300,982−30.5% | Reduced |
| Pictet Asset Management Holding SA | 674,618 | $156.4M | 0.18% | −339,660−33.5% | Reduced |
| Employees Provident Fund Board | 678,080 | $157.2M | 2.52% | 00.0% | Unchanged |
| FIL Ltd | 790,605 | $183.3M | 0.18% | +88,193+12.6% | Added |
| American Century Companies Inc | 821,301 | $190.4M | 0.12% | −21,166−2.5% | Reduced |
| Charles Schwab Investment Management Inc | 900,710 | $208.8M | 0.04% | +41,905+4.9% | Added |
| OrbiMed Advisors LLC | 900,900 | $208.8M | 4.45% | 00.0% | Unchanged |
| Van Eck Associates Corp | 922,761 | $213.9M | 0.30% | −814,579−46.9% | Reduced |
| Ra Capital Management, L.P. | 982,139 | $227.7M | 3.01% | +241,412+32.6% | Added |
| Dimensional Fund Advisors LP | 1,110,112 | $257.3M | 0.07% | −210,874−16.0% | Reduced |
| UBS Asset Management Americas Inc | 1,133,786 | $262.8M | 0.08% | +161,643+16.6% | Added |
| Bank of New York Mellon Corp | 1,247,615 | $289.2M | 0.05% | −128,387−9.3% | Reduced |
| Legal & General Group Plc | 1,270,132 | $294.4M | 0.08% | −37,588−2.9% | Reduced |
| Invesco Ltd. | 1,289,443 | $298.9M | 0.06% | −378,574−22.7% | Reduced |
| Goldman Sachs Group Inc | 1,420,860 | $329.4M | 0.06% | +426,495+42.9% | Added |
| Northern Trust Corp | 1,425,921 | $330.6M | 0.06% | +37,535+2.7% | Added |
| Ameriprise Financial Inc | 1,450,005 | $336.1M | 0.09% | +651,345+81.6% | Added |
| Clearbridge Investments, LLC | 1,468,822 | $340.5M | 0.28% | −92,838−5.9% | Reduced |
| Morgan Stanley | 1,606,508 | $372.4M | 0.03% | −94,875−5.6% | Reduced |
| Beutel, Goodman & Co Ltd. | 1,747,444 | $405.1M | 2.15% | +181,659+11.6% | Added |
| Price T Rowe Associates Inc | 2,011,411 | $466.3M | 0.06% | +421,782+26.5% | Added |
| Norges Bank | 2,078,745 | $481.9M | 0.07% | +555,604+36.5% | Added |
| Geode Capital Management, LLC | 3,565,965 | $824.5M | 0.07% | +156,291+4.6% | Added |
| JPMorgan Chase & Co | 4,714,957 | $1.09B | 0.09% | −5,187−0.1% | Reduced |
| Wellington Management Group LLP | 5,166,491 | $1.20B | 0.21% | +46,349+0.9% | Added |
| T. Rowe Price Investment Management, Inc. | 5,678,859 | $1.32B | 0.83% | +508,889+9.8% | Added |
| State Street Corp | 7,096,018 | $1.64B | 0.07% | +349,010+5.2% | Added |
| BlackRock Inc. | 14,538,497 | $3.37B | 0.08% | +393,509+2.8% | Added |
| Primecap Management Co | 16,338,294 | $3.79B | 2.74% | +117,578+0.7% | Added |
| Vanguard Group Inc | 16,600,163 | $3.85B | 0.07% | +29,765+0.2% | Added |
| Camber Capital Management LP | 0 | $0 | 0.00% | −400,000−100.0% | Sold out |
| Citadel Advisors LLC | 0 | $0 | 0.00% | −149,298−100.0% | Sold out |
| Zimmer Partners, LP | 0 | $0 | 0.00% | −129,950−100.0% | Sold out |
| Railway Pension Investments Ltd | 0 | $0 | 0.00% | −127,722−100.0% | Sold out |
| Twinbeech Capital LP | 0 | $0 | 0.00% | −102,251−100.0% | Sold out |
| Armistice Capital, LLC | 0 | $0 | 0.00% | −100,049−100.0% | Sold out |
| Aquatic Capital Management LLC | 0 | $0 | 0.00% | −80,500−100.0% | Sold out |
| Soleus Capital Management, L.P. | 0 | $0 | 0.00% | −72,800−100.0% | Sold out |
| Voloridge Investment Management, LLC | 0 | $0 | 0.00% | −60,220−100.0% | Sold out |
| American International Group, Inc. | 0 | $0 | 0.00% | −49,426−100.0% | Sold out |
| Easterly Investment Partners LLC | 0 | $0 | 0.00% | −41,942−100.0% | Sold out |
| Engineers Gate Manager LP | 0 | $0 | 0.00% | −39,840−100.0% | Sold out |
| Capital World Investors | 0 | $0 | 0.00% | −34,200−100.0% | Sold out |
| Cardinal Capital Management | 0 | $0 | 0.00% | −30,467−100.0% | Sold out |
| Texas Permanent School Fund | 0 | $0 | 0.00% | −29,963−100.0% | Sold out |
| FORA Capital, LLC | 0 | $0 | 0.00% | −28,652−100.0% | Sold out |
| Point72 (DIFC) Ltd | 0 | $0 | 0.00% | −24,407−100.0% | Sold out |
| Entropy Technologies, LP | 0 | $0 | 0.00% | −23,358−100.0% | Sold out |
| Marshall Wace, LLP | 0 | $0 | 0.00% | −23,228−100.0% | Sold out |
| Leonteq Securities AG | 0 | $0 | 0.00% | −22,724−100.0% | Sold out |
| Quantitative Investment Management, LLC | 0 | $0 | 0.00% | −21,371−100.0% | Sold out |
| Cubist Systematic Strategies, LLC | 0 | $0 | 0.00% | −19,793−100.0% | Sold out |
| PEAK6 Investments LLC | 0 | $0 | 0.00% | −14,416−100.0% | Sold out |
| Sienna Gestion | 0 | $0 | 0.00% | −14,318−100.0% | Sold out |
| Virtu Financial LLC | 0 | $0 | 0.00% | −13,200−100.0% | Sold out |
| Stevens Capital Management LP | 0 | $0 | 0.00% | −9,269−100.0% | Sold out |
| Exome Asset Management LLC | 0 | $0 | 0.00% | −8,200−100.0% | Sold out |
| Bayesian Capital Management, LP | 0 | $0 | 0.00% | −8,114−100.0% | Sold out |
| Pearl River Capital, LLC | 0 | $0 | 0.00% | −7,605−100.0% | Sold out |
| XTX Topco Ltd | 0 | $0 | 0.00% | −7,176−100.0% | Sold out |
| Alaska Permanent Fund Corp | 0 | $0 | 0.00% | −6,103−100.0% | Sold out |
| Duality Advisers, LP | 0 | $0 | 0.00% | −5,981−100.0% | Sold out |
| Point72 Hong Kong Ltd | 0 | $0 | 0.00% | −5,902−100.0% | Sold out |
| Metropolitan Life Insurance Co | 0 | $0 | 0.00% | −5,844−100.0% | Sold out |
| Knights of Columbus Asset Advisors LLC | 0 | $0 | 0.00% | −5,660−100.0% | Sold out |
| Eisler Capital (UK) Ltd. | 0 | $0 | 0.00% | −5,520−100.0% | Sold out |
| Nebula Research & Development LLC | 0 | $0 | 0.00% | −4,700−100.0% | Sold out |
| Alberta Investment Management Corp | 0 | $0 | 0.00% | −4,500−100.0% | Sold out |
| Sherbrooke Park Advisers LLC | 0 | $0 | 0.00% | −4,346−100.0% | Sold out |
| Quantbot Technologies LP | 0 | $0 | 0.00% | −4,108−100.0% | Sold out |
| Cornercap Investment Counsel Inc | 0 | $0 | 0.00% | −3,599−100.0% | Sold out |
| Lombard Odier Asset Management (Switzerland) SA | 0 | $0 | 0.00% | −3,595−100.0% | Sold out |
| Two Sigma Securities, LLC | 0 | $0 | 0.00% | −3,000−100.0% | Sold out |
| Marathon Trading Investment Management LLC | 0 | $0 | 0.00% | −3,000−100.0% | Sold out |
| Moody Aldrich Partners LLC | 0 | $0 | 0.00% | −2,901−100.0% | Sold out |
| Baker Tilly Wealth Management, LLC | 0 | $0 | 0.00% | −2,851−100.0% | Sold out |
| Readystate Asset Management LP | 0 | $0 | 0.00% | −2,680−100.0% | Sold out |
| Pictet & Cie (Europe) SA | 0 | $0 | 0.00% | −2,557−100.0% | Sold out |
| UBS Oconnor LLC | 0 | $0 | 0.00% | −2,500−100.0% | Sold out |
| Platinum Investment Management Ltd | 0 | $0 | 0.00% | −2,140−100.0% | Sold out |
| MQS Management LLC | 0 | $0 | 0.00% | −2,010−100.0% | Sold out |
| Fox Run Management, L.L.C. | 0 | $0 | 0.00% | −1,974−100.0% | Sold out |
| Fox Hill Wealth Management | 0 | $0 | 0.00% | −1,876−100.0% | Sold out |