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, Q3 2024
Institutional positions in Biogen Inc. as of Sep 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
- 921
- −17 vs. Q2 2024
- Shares held
- 129.8M
- +15.4M (+13.4%) vs. Q2 2024
- Total value
- $25.1B
- −$1.44B (−5.4%) vs. Q2 2024
- New holders
- 101
- 269 more added
- Sold out
- 118
- 378 more reduced
9 institutions that held it in Q2 2024 haven't filed for Q3 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q2 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 | 1,014 | $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, Q3 2024
Shares, value and share of portfolio for each institution holding Biogen Inc.; share changes are against Q2 2024.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Glenmede Trust Co NA | 77,301 | $15.0M | 0.07% | +66,583+621.2% | Added |
| Chevy Chase Trust Holdings, Inc. | 78,625 | $15.2M | 0.05% | −1,395−1.7% | Reduced |
| Mitsubishi UFJ Trust & Banking Corp | 79,171 | $15.3M | 0.04% | +544+0.7% | Added |
| Nordea Investment Management AB | 79,680 | $15.4M | 0.02% | −29,794−27.2% | Reduced |
| Voya Investment Management LLC | 80,774 | $15.7M | 0.02% | −13,720−14.5% | Reduced |
| DnB Asset Management AS | 82,144 | $15.9M | 0.07% | +20,918+34.2% | Added |
| Woodline Partners LP | 82,283 | $15.9M | 0.13% | +1,683+2.1% | Added |
| United Capital Financial Advisers, LLC | 87,375 | $16.9M | 0.14% | −1,803−2.0% | Reduced |
| HRT Financial LP | 89,217 | $17.3M | 0.09% | +89,217 | New |
| Treasurer of the State of North Carolina | 91,367 | $17.7M | 0.07% | −5,988−6.2% | Reduced |
| State of Wisconsin Investment Board | 92,966 | $18.0M | 0.05% | +13,571+17.1% | Added |
| Van Eck Associates Corp | 98,937 | $18.1M | 0.02% | −823,824−89.3% | Reduced |
| New York State Common Retirement Fund | 94,745 | $18.4M | 0.02% | −16,507−14.8% | Reduced |
| Trexquant Investment LP | 96,596 | $18.7M | 0.24% | +96,596 | New |
| Sprucegrove Investment Management Ltd | 97,855 | $19.0M | 1.06% | −200−0.2% | Reduced |
| Federated Hermes, Inc. | 102,584 | $19.9M | 0.04% | −358−0.3% | Reduced |
| SEI Investments Co | 107,952 | $20.9M | 0.03% | +2,601+2.5% | Added |
| DekaBank Deutsche Girozentrale | 108,721 | $21.2M | 0.04% | +1,753+1.6% | Added |
| Jane Street Group, LLC | 110,289 | $21.4M | 0.03% | −67,877−38.1% | Reduced |
| Krensavage Asset Management, LLC | 113,502 | $22.0M | 12.33% | −10,283−8.3% | Reduced |
| Natixis | 116,449 | $22.6M | 0.14% | +8,968+8.3% | Added |
| New York State Teachers Retirement System | 117,801 | $22.8M | 0.05% | −5,534−4.5% | Reduced |
| J. L. Bainbridge & Co., Inc. | 121,142 | $23.5M | 2.27% | +60,538+99.9% | Added |
| Manufacturers Life Insurance Company, The | 123,544 | $23.9M | 0.02% | −2,285−1.8% | Reduced |
| Banco Bilbao Vizcaya Argentaria, S.A. | 129,700 | $25.1M | 0.25% | +19,692+17.9% | Added |
| Great West Life Assurance Co | 129,888 | $25.2M | 0.04% | +122+0.1% | Added |
| Victory Capital Management Inc | 130,709 | $25.3M | 0.02% | −2,504−1.9% | Reduced |
| Mirae Asset Global ETFs Holdings Ltd. | 131,388 | $25.5M | 0.06% | +3,327+2.6% | Added |
| Russell Investments Group, Ltd. | 131,450 | $25.5M | 0.04% | +13,912+11.8% | Added |
| Letko, Brosseau & Associates Inc | 132,912 | $25.8M | 0.47% | +20,240+18.0% | Added |
| State Board of Administration of Florida Retirement System | 142,832 | $27.7M | 0.05% | −2,779−1.9% | Reduced |
| Worldquant Millennium Advisors LLC | 146,451 | $28.4M | 0.21% | +65,623+81.2% | Added |
| Saratoga Research & Investment Management | 150,720 | $29.2M | 1.28% | −7,071−4.5% | Reduced |
| Wedge Capital Management L L P | 152,661 | $29.6M | 0.51% | +4,147+2.8% | Added |
| Group One Trading, L.P. | 159,235 | $30.9M | 1.22% | +42,582+36.5% | Added |
| Rafferty Asset Management, LLC | 160,201 | $31.1M | 0.11% | +8,906+5.9% | Added |
| Principal Financial Group Inc | 168,631 | $32.7M | 0.02% | +5,270+3.2% | Added |
| ProShare Advisors LLC | 169,032 | $32.8M | 0.08% | +11,404+7.2% | Added |
| Alliancebernstein L.P. | 179,131 | $34.7M | 0.01% | −102,158−36.3% | Reduced |
| Envestnet Asset Management Inc | 181,550 | $35.2M | 0.01% | −17,126−8.6% | Reduced |
| Swedbank AB | 185,008 | $35.9M | 0.05% | +84,981+85.0% | Added |
| Capital Fund Management S.A. | 185,937 | $36.0M | 0.40% | +92,713+99.5% | Added |
| Thrivent Financial for Lutherans | 188,653 | $36.6M | 0.07% | −3,854−2.0% | Reduced |
| National Bank of Canada | 191,465 | $37.1M | 0.05% | +137,161+252.6% | Added |
| Raymond James & Associates | 192,065 | $37.2M | 0.02% | +6,384+3.4% | Added |
| FIL Ltd | 196,002 | $38.0M | 0.03% | −594,603−75.2% | Reduced |
| Canada Pension Plan Investment Board | 205,030 | $39.7M | 0.04% | +31,366+18.1% | Added |
| Wells Fargo & Company | 206,470 | $40.0M | 0.01% | −41,290−16.7% | Reduced |
| Candriam Luxembourg S.C.A. | 212,457 | $41.2M | 0.24% | −54,002−20.3% | Reduced |
| American Century Companies Inc | 216,978 | $42.1M | 0.02% | −604,323−73.6% | Reduced |
| Bank of Montreal | 219,911 | $42.8M | 0.02% | −14,420−6.2% | Reduced |
| Mitsubishi UFJ Kokusai Asset Management Co., Ltd. | 223,632 | $43.3M | 0.05% | +20,536+10.1% | Added |
| Palo Alto Investors LP | 228,916 | $44.4M | 5.76% | −60,134−20.8% | Reduced |
| California State Teachers Retirement System | 230,507 | $44.7M | 0.05% | −428−0.2% | Reduced |
| Squarepoint Ops LLC | 230,648 | $44.7M | 0.15% | +226,703+5,746.6% | Added |
| Citigroup Inc | 238,148 | $46.2M | 0.04% | +14,801+6.6% | Added |
| Tocqueville Asset Management L.P. | 247,535 | $48.0M | 0.75% | +27,537+12.5% | Added |
| Patient Capital Management, LLC | 255,942 | $49.6M | 2.44% | −1,327−0.5% | Reduced |
| Susquehanna International Group, LLP | 261,147 | $50.6M | 0.09% | +142,924+120.9% | Added |
| Rhumbline Advisers | 274,309 | $53.2M | 0.05% | −9,897−3.5% | Reduced |
| Robeco Institutional Asset Management B.V. | 274,708 | $53.2M | 0.11% | +59,771+27.8% | Added |
| Erste Asset Management GmbH | 287,623 | $55.8M | 0.67% | +3,306+1.2% | Added |
| Hudson Bay Capital Management LP | 300,000 | $58.2M | 0.40% | +105,000+53.8% | Added |
| Nuveen Asset Management, LLC | 323,187 | $62.6M | 0.02% | +1,879+0.6% | Added |
| Brown Advisory Inc | 333,227 | $64.6M | 0.08% | −14,291−4.1% | Reduced |
| Royal Bank of Canada | 343,194 | $66.5M | 0.01% | −52,518−13.3% | Reduced |
| Qube Research & Technologies Ltd | 349,345 | $67.7M | 0.12% | +335,113+2,354.6% | Added |
| First Trust Advisors LP | 358,491 | $69.5M | 0.07% | −31,460−8.1% | Reduced |
| National Pension Service | 359,569 | $69.7M | 0.07% | +32,914+10.1% | Added |
| Parnassus Investments | 361,512 | $70.1M | 0.15% | +770+0.2% | Added |
| Sumitomo Mitsui Trust Holdings, Inc. | 370,128 | $71.7M | 0.05% | +9,254+2.6% | Added |
| Franklin Resources Inc | 374,747 | $71.8M | 0.02% | −13,723−3.5% | Reduced |
| Citadel Advisors LLC | 372,366 | $72.2M | 0.08% | +372,366 | New |
| TD Asset Management Inc | 371,001 | $72.2M | 0.06% | −9,787−2.6% | Reduced |
| FMR LLC | 381,214 | $73.9M | 0.00% | −229,202−37.5% | Reduced |
| California Public Employees Retirement System | 395,071 | $76.6M | 0.05% | −994−0.3% | Reduced |
| Millennium Management LLC | 398,136 | $77.2M | 0.07% | +158,289+66.0% | Added |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 399,404 | $77.4M | 0.19% | −33,438−7.7% | Reduced |
| BNP Paribas Arbitrage, SA | 413,360 | $80.1M | 0.08% | +123,333+42.5% | Added |
| HSBC Holdings PLC | 414,396 | $80.3M | 0.05% | +35,959+9.5% | Added |
| Prudential Financial Inc | 423,284 | $82.0M | 0.12% | +328,707+347.6% | Added |
| Two Sigma Advisers, LP | 427,600 | $82.9M | 0.19% | +235,100+122.1% | Added |
| Swiss National Bank | 432,100 | $83.8M | 0.05% | +1,700+0.4% | Added |
| D. E. Shaw & Co., Inc. | 434,939 | $84.3M | 0.11% | +220,248+102.6% | Added |
| Pictet Asset Management Holding SA | 472,525 | $91.8M | 0.10% | −202,093−30.0% | Reduced |
| UBS Group AG | 503,853 | $97.7M | 0.03% | +51,342+11.3% | Added |
| Allianz Asset Management GmbH | 525,513 | $101.9M | 0.16% | −2,665−0.5% | Reduced |
| Standard Life Aberdeen plc | 568,510 | $110.1M | 0.20% | +33,333+6.2% | Added |
| Clearbridge Investments, LLC | 601,986 | $116.7M | 0.09% | −866,836−59.0% | Reduced |
| Two Sigma Investments, LP | 648,702 | $125.7M | 0.28% | +435,803+204.7% | Added |
| Bank of America Corp | 658,151 | $127.6M | 0.01% | +169,805+34.8% | Added |
| Employees Provident Fund Board | 678,080 | $131.4M | 1.80% | 00.0% | Unchanged |
| Massachusetts Financial Services Co | 711,184 | $137.9M | 0.04% | +162,511+29.6% | Added |
| Deutsche Bank AG | 714,285 | $138.5M | 0.06% | +60,612+9.3% | Added |
| OrbiMed Advisors LLC | 813,000 | $157.6M | 2.88% | −87,900−9.8% | Reduced |
| Amundi | 897,512 | $163.6M | 0.06% | +212,692+31.1% | Added |
| Man Group plc | 856,835 | $166.1M | 0.47% | +799,240+1,387.7% | Added |
| Charles Schwab Investment Management Inc | 913,029 | $177.0M | 0.03% | +12,319+1.4% | Added |
| Barclays PLC | 921,256 | $178.6M | 0.08% | +473,603+105.8% | Added |
| Renaissance Technologies LLC | 952,706 | $184.7M | 0.28% | +334,600+54.1% | Added |