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 |
|---|---|---|---|---|---|
| Asset Management One Co.,Ltd. | 55,031 | $12.8M | 0.05% | −3,879−6.6% | Reduced |
| Macquarie Group Ltd | 55,829 | $12.9M | 0.01% | −64,892−53.8% | Reduced |
| Nomura Asset Management Co Ltd | 56,093 | $13.0M | 0.04% | −13,951−19.9% | Reduced |
| Nisa Investment Advisors, LLC | 56,528 | $13.1M | 0.08% | +1,820+3.3% | Added |
| CenterBook Partners LP | 56,828 | $13.2M | 0.82% | +52,863+1,333.2% | Added |
| Gilder Gagnon Howe & Co LLC | 57,031 | $13.2M | 0.17% | −2,910−4.9% | Reduced |
| UniSuper Management Pty Ltd | 57,092 | $13.2M | 0.11% | +4,203+7.9% | Added |
| Storebrand Asset Management AS | 57,499 | $13.3M | 0.04% | −41,879−42.1% | Reduced |
| Man Group plc | 57,595 | $13.4M | 0.04% | +954+1.7% | Added |
| Public Employees Retirement System of Ohio | 59,369 | $13.8M | 0.05% | −5,161−8.0% | Reduced |
| Edmond de Rothschild Holding S.A. | 60,220 | $14.0M | 0.24% | +540+0.9% | Added |
| J. L. Bainbridge & Co., Inc. | 60,604 | $14.0M | 1.41% | +10,586+21.2% | Added |
| State of Tennessee, Treasury Department | 61,199 | $14.2M | 0.05% | +20,831+51.6% | Added |
| DnB Asset Management AS | 61,226 | $14.2M | 0.07% | +7,973+15.0% | Added |
| Guggenheim Capital LLC | 62,343 | $14.5M | 0.10% | −6,707−9.7% | Reduced |
| AMF Pensionsforsakring AB | 63,933 | $14.8M | 0.11% | +20,084+45.8% | Added |
| Danske Bank A/S | 65,431 | $15.2M | 0.06% | −18,423−22.0% | Reduced |
| J. Safra Sarasin Holding AG | 65,758 | $15.2M | 0.28% | +65,758 | New |
| Handelsbanken Fonder AB | 67,206 | $15.6M | 0.07% | +3,146+4.9% | Added |
| Fisher Asset Management, LLC | 68,487 | $15.9M | 0.01% | +6,943+11.3% | Added |
| Royal London Asset Management Ltd | 69,572 | $16.1M | 0.04% | +12,751+22.4% | Added |
| AXA S.A. | 72,002 | $16.7M | 0.05% | −335,836−82.3% | Reduced |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 73,356 | $17.0M | 0.06% | −1,999−2.7% | Reduced |
| Cutter Capital Management, LP | 76,726 | $17.8M | 5.42% | +24,726+47.6% | Added |
| Mitsubishi UFJ Trust & Banking Corp | 78,627 | $18.2M | 0.04% | +574+0.7% | Added |
| State of Wisconsin Investment Board | 79,395 | $18.4M | 0.05% | −9,168−10.4% | Reduced |
| Chevy Chase Trust Holdings, Inc. | 80,020 | $18.6M | 0.06% | −945−1.2% | Reduced |
| Woodline Partners LP | 80,600 | $18.7M | 0.18% | 00.0% | Unchanged |
| Worldquant Millennium Advisors LLC | 80,828 | $18.7M | 0.17% | +76,787+1,900.2% | Added |
| Skandinaviska Enskilda Banken AB (publ) | 83,025 | $19.3M | 0.09% | −2,570−3.0% | Reduced |
| Toronto Dominion Bank | 83,248 | $19.3M | 0.03% | −12,436−13.0% | Reduced |
| Rhenman & Partners Asset Management AB | 84,800 | $19.7M | 1.89% | +28,000+49.3% | Added |
| Connor, Clark & Lunn Investment Management Ltd. | 88,502 | $20.5M | 0.09% | +76,465+635.2% | Added |
| United Capital Financial Advisers, LLC | 89,178 | $20.7M | 0.18% | −2,198−2.4% | Reduced |
| Capital Fund Management S.A. | 93,224 | $21.6M | 0.25% | −54,206−36.8% | Reduced |
| Voya Investment Management LLC | 94,494 | $21.9M | 0.02% | −3,594−3.7% | Reduced |
| Prudential Financial Inc | 94,577 | $21.9M | 0.03% | −10,368−9.9% | Reduced |
| Korea Investment CORP | 95,417 | $22.1M | 0.06% | −45,454−32.3% | Reduced |
| Treasurer of the State of North Carolina | 97,355 | $22.6M | 0.10% | +3,882+4.2% | Added |
| Sprucegrove Investment Management Ltd | 98,055 | $22.7M | 1.18% | +1,200+1.2% | Added |
| Zurich Insurance Group Ltd | 98,642 | $22.9M | 0.20% | +98,642 | New |
| Swedbank AB | 100,027 | $23.2M | 0.03% | −6,356−6.0% | Reduced |
| Federated Hermes, Inc. | 102,942 | $23.9M | 0.06% | +218+0.2% | Added |
| SEI Investments Co | 105,351 | $24.4M | 0.03% | +14,900+16.5% | Added |
| DekaBank Deutsche Girozentrale | 106,968 | $24.4M | 0.04% | −2,230−2.0% | Reduced |
| Natixis | 107,481 | $24.9M | 0.16% | +5,743+5.6% | Added |
| Banco Bilbao Vizcaya Argentaria, S.A. | 110,008 | $25.5M | 0.27% | −900−0.8% | Reduced |
| Nordea Investment Management AB | 109,474 | $25.7M | 0.03% | +4,098+3.9% | Added |
| New York State Common Retirement Fund | 111,252 | $25.8M | 0.03% | +2,077+1.9% | Added |
| Letko, Brosseau & Associates Inc | 112,672 | $26.1M | 0.50% | +7,365+7.0% | Added |
| Group One Trading, L.P. | 116,653 | $27.0M | 0.85% | +116,653 | New |
| Russell Investments Group, Ltd. | 117,538 | $27.2M | 0.04% | −29,090−19.8% | Reduced |
| Susquehanna International Group, LLP | 118,223 | $27.4M | 0.05% | −125,191−51.4% | Reduced |
| APG Asset Management N.V. | 129,576 | $28.0M | 0.05% | +2,906+2.3% | Added |
| New York State Teachers Retirement System | 123,335 | $28.6M | 0.06% | −3,484−2.7% | Reduced |
| Krensavage Asset Management, LLC | 123,785 | $28.7M | 13.18% | −10,283−7.7% | Reduced |
| Manufacturers Life Insurance Company, The | 125,829 | $29.2M | 0.03% | −6,596−5.0% | Reduced |
| Mirae Asset Global ETFs Holdings Ltd. | 128,061 | $29.7M | 0.07% | +128,061 | New |
| Great West Life Assurance Co | 129,766 | $30.1M | 0.06% | +4,539+3.6% | Added |
| Victory Capital Management Inc | 133,213 | $30.9M | 0.03% | −2,041−1.5% | Reduced |
| Adage Capital Partners GP, L.L.C. | 137,699 | $31.9M | 0.06% | −113,883−45.3% | Reduced |
| State Board of Administration of Florida Retirement System | 145,611 | $33.8M | 0.07% | −32,825−18.4% | Reduced |
| Wedge Capital Management L L P | 148,514 | $34.4M | 0.61% | −33,010−18.2% | Reduced |
| Rafferty Asset Management, LLC | 151,295 | $35.1M | 0.13% | +38,479+34.1% | Added |
| ProShare Advisors LLC | 157,628 | $36.5M | 0.10% | −16,372−9.4% | Reduced |
| Saratoga Research & Investment Management | 157,791 | $36.6M | 1.66% | −5,060−3.1% | Reduced |
| Principal Financial Group Inc | 163,361 | $37.9M | 0.02% | −3,241−1.9% | Reduced |
| Canada Pension Plan Investment Board | 173,664 | $40.3M | 0.04% | +64,505+59.1% | Added |
| Jane Street Group, LLC | 178,166 | $41.3M | 0.04% | +92,172+107.2% | Added |
| Raymond James & Associates | 185,681 | $43.0M | 0.03% | +17,557+10.4% | Added |
| Two Sigma Advisers, LP | 192,500 | $44.6M | 0.10% | +21,200+12.4% | Added |
| Thrivent Financial for Lutherans | 192,507 | $44.6M | 0.09% | −8,889−4.4% | Reduced |
| Hudson Bay Capital Management LP | 195,000 | $45.2M | 0.34% | −30,000−13.3% | Reduced |
| Envestnet Asset Management Inc | 198,676 | $46.1M | 0.02% | −19,062−8.8% | Reduced |
| Mitsubishi UFJ Kokusai Asset Management Co., Ltd. | 203,096 | $47.1M | 0.06% | +23,677+13.2% | Added |
| Two Sigma Investments, LP | 212,899 | $49.4M | 0.12% | −113,526−34.8% | Reduced |
| D. E. Shaw & Co., Inc. | 214,691 | $49.8M | 0.07% | −85,317−28.4% | Reduced |
| Robeco Institutional Asset Management B.V. | 214,937 | $49.8M | 0.11% | −16,579−7.2% | Reduced |
| Tocqueville Asset Management L.P. | 219,998 | $51.0M | 0.84% | +173,798+376.2% | Added |
| Citigroup Inc | 223,347 | $51.8M | 0.05% | +4,630+2.1% | Added |
| Polar Capital Holdings Plc | 225,000 | $52.2M | 0.31% | −75,000−25.0% | Reduced |
| California State Teachers Retirement System | 230,935 | $53.5M | 0.07% | +3,863+1.7% | Added |
| Millennium Management LLC | 239,847 | $55.6M | 0.05% | +63,435+36.0% | Added |
| Bank of Montreal | 234,331 | $57.4M | 0.03% | −2,484−1.0% | Reduced |
| Wells Fargo & Company | 247,760 | $57.4M | 0.01% | +26,684+12.1% | Added |
| Patient Capital Management, LLC | 257,269 | $59.6M | 3.17% | +39,382+18.1% | Added |
| Candriam Luxembourg S.C.A. | 266,459 | $61.8M | 0.37% | −583−0.2% | Reduced |
| Alliancebernstein L.P. | 281,289 | $65.2M | 0.02% | +79,398+39.3% | Added |
| Erste Asset Management GmbH | 284,317 | $65.6M | 0.87% | +19,903+7.5% | Added |
| Rhumbline Advisers | 284,206 | $65.9M | 0.06% | +5,562+2.0% | Added |
| Palo Alto Investors LP | 289,050 | $67.0M | 7.76% | −908−0.3% | Reduced |
| BNP Paribas Arbitrage, SA | 290,027 | $67.2M | 0.07% | +8,626+3.1% | Added |
| Nuveen Asset Management, LLC | 321,308 | $74.5M | 0.02% | −25,808−7.4% | Reduced |
| National Pension Service | 326,655 | $75.7M | 0.09% | +12,539+4.0% | Added |
| Brown Advisory Inc | 347,518 | $80.6M | 0.11% | +74,638+27.4% | Added |
| Parnassus Investments | 360,742 | $83.6M | 0.18% | 00.0% | Unchanged |
| Sumitomo Mitsui Trust Holdings, Inc. | 360,874 | $83.7M | 0.06% | −25,608−6.6% | Reduced |
| HSBC Holdings PLC | 378,437 | $87.7M | 0.06% | −20,405−5.1% | Reduced |
| TD Asset Management Inc | 380,788 | $88.3M | 0.08% | +13,552+3.7% | Added |
| Franklin Resources Inc | 388,470 | $90.1M | 0.03% | +2,887+0.7% | Added |