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 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 | 1,046 | $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 |
|---|---|---|---|---|---|
| Vanguard Group Inc | 16,600,163 | $3.85B | 0.07% | +29,765+0.2% | Added |
| Primecap Management Co | 16,338,294 | $3.79B | 2.74% | +117,578+0.7% | Added |
| BlackRock Inc. | 14,538,497 | $3.37B | 0.08% | +393,509+2.8% | Added |
| State Street Corp | 7,096,018 | $1.64B | 0.07% | +349,010+5.2% | Added |
| T. Rowe Price Investment Management, Inc. | 5,678,859 | $1.32B | 0.83% | +508,889+9.8% | Added |
| Wellington Management Group LLP | 5,166,491 | $1.20B | 0.21% | +46,349+0.9% | Added |
| JPMorgan Chase & Co | 4,714,957 | $1.09B | 0.09% | −5,187−0.1% | Reduced |
| Geode Capital Management, LLC | 3,565,965 | $824.5M | 0.07% | +156,291+4.6% | Added |
| Norges Bank | 2,078,745 | $481.9M | 0.07% | +555,604+36.5% | Added |
| Price T Rowe Associates Inc | 2,011,411 | $466.3M | 0.06% | +421,782+26.5% | Added |
| Beutel, Goodman & Co Ltd. | 1,747,444 | $405.1M | 2.15% | +181,659+11.6% | Added |
| Morgan Stanley | 1,606,508 | $372.4M | 0.03% | −94,875−5.6% | Reduced |
| Clearbridge Investments, LLC | 1,468,822 | $340.5M | 0.28% | −92,838−5.9% | Reduced |
| Ameriprise Financial Inc | 1,450,005 | $336.1M | 0.09% | +651,345+81.6% | Added |
| Northern Trust Corp | 1,425,921 | $330.6M | 0.06% | +37,535+2.7% | Added |
| Goldman Sachs Group Inc | 1,420,860 | $329.4M | 0.06% | +426,495+42.9% | Added |
| Invesco Ltd. | 1,289,443 | $298.9M | 0.06% | −378,574−22.7% | Reduced |
| Legal & General Group Plc | 1,270,132 | $294.4M | 0.08% | −37,588−2.9% | Reduced |
| Bank of New York Mellon Corp | 1,247,615 | $289.2M | 0.05% | −128,387−9.3% | Reduced |
| UBS Asset Management Americas Inc | 1,133,786 | $262.8M | 0.08% | +161,643+16.6% | Added |
| Dimensional Fund Advisors LP | 1,110,112 | $257.3M | 0.07% | −210,874−16.0% | Reduced |
| Ra Capital Management, L.P. | 982,139 | $227.7M | 3.01% | +241,412+32.6% | Added |
| Van Eck Associates Corp | 922,761 | $213.9M | 0.30% | −814,579−46.9% | Reduced |
| OrbiMed Advisors LLC | 900,900 | $208.8M | 4.45% | 00.0% | Unchanged |
| Charles Schwab Investment Management Inc | 900,710 | $208.8M | 0.04% | +41,905+4.9% | Added |
| American Century Companies Inc | 821,301 | $190.4M | 0.12% | −21,166−2.5% | Reduced |
| FIL Ltd | 790,605 | $183.3M | 0.18% | +88,193+12.6% | Added |
| Employees Provident Fund Board | 678,080 | $157.2M | 2.52% | 00.0% | Unchanged |
| Pictet Asset Management Holding SA | 674,618 | $156.4M | 0.18% | −339,660−33.5% | Reduced |
| Amundi | 684,820 | $153.8M | 0.06% | −300,982−30.5% | Reduced |
| Deutsche Bank AG | 653,673 | $151.5M | 0.07% | −403,788−38.2% | Reduced |
| Sarissa Capital Management LP | 643,000 | $149.1M | 25.16% | 00.0% | Unchanged |
| Renaissance Technologies LLC | 618,106 | $143.3M | 0.24% | −266,598−30.1% | Reduced |
| FMR LLC | 610,416 | $141.5M | 0.01% | −10,434−1.7% | Reduced |
| Massachusetts Financial Services Co | 548,673 | $127.2M | 0.04% | −26,302−4.6% | Reduced |
| Standard Life Aberdeen plc | 535,177 | $124.1M | 0.24% | +79,313+17.4% | Added |
| Allianz Asset Management GmbH | 528,178 | $122.4M | 0.20% | −92,066−14.8% | Reduced |
| Bank of America Corp | 488,346 | $113.2M | 0.01% | +44,724+10.1% | Added |
| UBS Group AG | 452,511 | $104.9M | 0.03% | −23,315−4.9% | Reduced |
| Barclays PLC | 447,653 | $103.8M | 0.05% | −92,912−17.2% | Reduced |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 432,842 | $100.3M | 0.26% | −137,691−24.1% | Reduced |
| Swiss National Bank | 430,400 | $99.8M | 0.07% | −3,500−0.8% | Reduced |
| Alyeska Investment Group, L.P. | 401,005 | $93.0M | 0.54% | +234,312+140.6% | Added |
| California Public Employees Retirement System | 396,065 | $91.8M | 0.07% | −8,354−2.1% | Reduced |
| Royal Bank of Canada | 395,712 | $91.7M | 0.02% | −7,566−1.9% | Reduced |
| Balyasny Asset Management LLC | 394,887 | $91.5M | 0.24% | +394,887 | New |
| First Trust Advisors LP | 389,951 | $90.4M | 0.09% | +55,655+16.6% | Added |
| Franklin Resources Inc | 388,470 | $90.1M | 0.03% | +2,887+0.7% | Added |
| TD Asset Management Inc | 380,788 | $88.3M | 0.08% | +13,552+3.7% | Added |
| HSBC Holdings PLC | 378,437 | $87.7M | 0.06% | −20,405−5.1% | Reduced |
| Sumitomo Mitsui Trust Holdings, Inc. | 360,874 | $83.7M | 0.06% | −25,608−6.6% | Reduced |
| Parnassus Investments | 360,742 | $83.6M | 0.18% | 00.0% | Unchanged |
| Brown Advisory Inc | 347,518 | $80.6M | 0.11% | +74,638+27.4% | Added |
| National Pension Service | 326,655 | $75.7M | 0.09% | +12,539+4.0% | Added |
| Nuveen Asset Management, LLC | 321,308 | $74.5M | 0.02% | −25,808−7.4% | Reduced |
| BNP Paribas Arbitrage, SA | 290,027 | $67.2M | 0.07% | +8,626+3.1% | Added |
| Palo Alto Investors LP | 289,050 | $67.0M | 7.76% | −908−0.3% | Reduced |
| Rhumbline Advisers | 284,206 | $65.9M | 0.06% | +5,562+2.0% | Added |
| Erste Asset Management GmbH | 284,317 | $65.6M | 0.87% | +19,903+7.5% | Added |
| Alliancebernstein L.P. | 281,289 | $65.2M | 0.02% | +79,398+39.3% | Added |
| Candriam Luxembourg S.C.A. | 266,459 | $61.8M | 0.37% | −583−0.2% | Reduced |
| Patient Capital Management, LLC | 257,269 | $59.6M | 3.17% | +39,382+18.1% | Added |
| Wells Fargo & Company | 247,760 | $57.4M | 0.01% | +26,684+12.1% | Added |
| Bank of Montreal | 234,331 | $57.4M | 0.03% | −2,484−1.0% | Reduced |
| Millennium Management LLC | 239,847 | $55.6M | 0.05% | +63,435+36.0% | Added |
| California State Teachers Retirement System | 230,935 | $53.5M | 0.07% | +3,863+1.7% | Added |
| Polar Capital Holdings Plc | 225,000 | $52.2M | 0.31% | −75,000−25.0% | Reduced |
| Citigroup Inc | 223,347 | $51.8M | 0.05% | +4,630+2.1% | Added |
| Tocqueville Asset Management L.P. | 219,998 | $51.0M | 0.84% | +173,798+376.2% | Added |
| Robeco Institutional Asset Management B.V. | 214,937 | $49.8M | 0.11% | −16,579−7.2% | Reduced |
| D. E. Shaw & Co., Inc. | 214,691 | $49.8M | 0.07% | −85,317−28.4% | Reduced |
| Two Sigma Investments, LP | 212,899 | $49.4M | 0.12% | −113,526−34.8% | Reduced |
| Mitsubishi UFJ Kokusai Asset Management Co., Ltd. | 203,096 | $47.1M | 0.06% | +23,677+13.2% | Added |
| Envestnet Asset Management Inc | 198,676 | $46.1M | 0.02% | −19,062−8.8% | Reduced |
| Hudson Bay Capital Management LP | 195,000 | $45.2M | 0.34% | −30,000−13.3% | Reduced |
| Thrivent Financial for Lutherans | 192,507 | $44.6M | 0.09% | −8,889−4.4% | Reduced |
| Two Sigma Advisers, LP | 192,500 | $44.6M | 0.10% | +21,200+12.4% | Added |
| Raymond James & Associates | 185,681 | $43.0M | 0.03% | +17,557+10.4% | Added |
| Jane Street Group, LLC | 178,166 | $41.3M | 0.04% | +92,172+107.2% | Added |
| Canada Pension Plan Investment Board | 173,664 | $40.3M | 0.04% | +64,505+59.1% | Added |
| Principal Financial Group Inc | 163,361 | $37.9M | 0.02% | −3,241−1.9% | Reduced |
| Saratoga Research & Investment Management | 157,791 | $36.6M | 1.66% | −5,060−3.1% | Reduced |
| ProShare Advisors LLC | 157,628 | $36.5M | 0.10% | −16,372−9.4% | Reduced |
| Rafferty Asset Management, LLC | 151,295 | $35.1M | 0.13% | +38,479+34.1% | Added |
| Wedge Capital Management L L P | 148,514 | $34.4M | 0.61% | −33,010−18.2% | Reduced |
| State Board of Administration of Florida Retirement System | 145,611 | $33.8M | 0.07% | −32,825−18.4% | Reduced |
| Adage Capital Partners GP, L.L.C. | 137,699 | $31.9M | 0.06% | −113,883−45.3% | Reduced |
| Victory Capital Management Inc | 133,213 | $30.9M | 0.03% | −2,041−1.5% | Reduced |
| Great West Life Assurance Co | 129,766 | $30.1M | 0.06% | +4,539+3.6% | Added |
| Mirae Asset Global ETFs Holdings Ltd. | 128,061 | $29.7M | 0.07% | +128,061 | New |
| Manufacturers Life Insurance Company, The | 125,829 | $29.2M | 0.03% | −6,596−5.0% | Reduced |
| Krensavage Asset Management, LLC | 123,785 | $28.7M | 13.18% | −10,283−7.7% | Reduced |
| New York State Teachers Retirement System | 123,335 | $28.6M | 0.06% | −3,484−2.7% | Reduced |
| APG Asset Management N.V. | 129,576 | $28.0M | 0.05% | +2,906+2.3% | Added |
| Susquehanna International Group, LLP | 118,223 | $27.4M | 0.05% | −125,191−51.4% | Reduced |
| Russell Investments Group, Ltd. | 117,538 | $27.2M | 0.04% | −29,090−19.8% | Reduced |
| Group One Trading, L.P. | 116,653 | $27.0M | 0.85% | +116,653 | New |
| Letko, Brosseau & Associates Inc | 112,672 | $26.1M | 0.50% | +7,365+7.0% | Added |
| New York State Common Retirement Fund | 111,252 | $25.8M | 0.03% | +2,077+1.9% | Added |
| Nordea Investment Management AB | 109,474 | $25.7M | 0.03% | +4,098+3.9% | Added |