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 | 1,015 | $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, 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 |
|---|---|---|---|---|---|
| Vanguard Group Inc | 16,678,507 | $3.23B | 0.06% | +78,344+0.5% | Added |
| Primecap Management Co | 16,315,079 | $3.16B | 2.33% | −23,215−0.1% | Reduced |
| BlackRock, Inc. | 15,347,041 | $2.97B | 0.06% | +15,347,041 | New |
| State Street Corp | 7,344,960 | $1.42B | 0.06% | +248,942+3.5% | Added |
| JPMorgan Chase & Co | 5,257,323 | $1.02B | 0.08% | +542,366+11.5% | Added |
| Wellington Management Group LLP | 5,131,193 | $994.6M | 0.17% | −35,298−0.7% | Reduced |
| T. Rowe Price Investment Management, Inc. | 4,256,286 | $825.0M | 0.50% | −1,422,573−25.1% | Reduced |
| Geode Capital Management, LLC | 3,613,020 | $698.1M | 0.06% | +47,055+1.3% | Added |
| Norges Bank | 2,264,392 | $438.9M | 0.06% | +185,647+8.9% | Added |
| Price T Rowe Associates Inc | 1,912,546 | $370.7M | 0.04% | −98,865−4.9% | Reduced |
| Morgan Stanley | 1,887,246 | $365.8M | 0.03% | +280,738+17.5% | Added |
| Beutel, Goodman & Co Ltd. | 1,744,154 | $338.1M | 1.67% | −3,290−0.2% | Reduced |
| Invesco Ltd. | 1,629,733 | $315.9M | 0.06% | +340,290+26.4% | Added |
| Northern Trust Corp | 1,353,135 | $262.3M | 0.04% | −72,786−5.1% | Reduced |
| Legal & General Group Plc | 1,251,953 | $242.7M | 0.06% | −18,179−1.4% | Reduced |
| Ra Capital Management, L.P. | 1,184,456 | $229.6M | 2.65% | +202,317+20.6% | Added |
| UBS Asset Management Americas Inc | 1,152,691 | $223.4M | 0.06% | +18,905+1.7% | Added |
| Ameriprise Financial Inc | 1,150,486 | $223.0M | 0.06% | −299,519−20.7% | Reduced |
| Dimensional Fund Advisors LP | 1,114,340 | $216.0M | 0.05% | +4,228+0.4% | Added |
| Bank of New York Mellon Corp | 1,003,135 | $194.4M | 0.04% | −244,480−19.6% | Reduced |
| Goldman Sachs Group Inc | 989,041 | $191.7M | 0.04% | −431,819−30.4% | Reduced |
| Renaissance Technologies LLC | 952,706 | $184.7M | 0.28% | +334,600+54.1% | Added |
| Barclays PLC | 921,256 | $178.6M | 0.08% | +473,603+105.8% | Added |
| Charles Schwab Investment Management Inc | 913,029 | $177.0M | 0.03% | +12,319+1.4% | Added |
| Man Group plc | 856,835 | $166.1M | 0.47% | +799,240+1,387.7% | Added |
| Amundi | 897,512 | $163.6M | 0.06% | +212,692+31.1% | Added |
| OrbiMed Advisors LLC | 813,000 | $157.6M | 2.88% | −87,900−9.8% | Reduced |
| Deutsche Bank AG | 714,285 | $138.5M | 0.06% | +60,612+9.3% | Added |
| Massachusetts Financial Services Co | 711,184 | $137.9M | 0.04% | +162,511+29.6% | Added |
| Employees Provident Fund Board | 678,080 | $131.4M | 1.80% | 00.0% | Unchanged |
| Bank of America Corp | 658,151 | $127.6M | 0.01% | +169,805+34.8% | Added |
| Two Sigma Investments, LP | 648,702 | $125.7M | 0.28% | +435,803+204.7% | Added |
| Clearbridge Investments, LLC | 601,986 | $116.7M | 0.09% | −866,836−59.0% | Reduced |
| Standard Life Aberdeen plc | 568,510 | $110.1M | 0.20% | +33,333+6.2% | Added |
| Allianz Asset Management GmbH | 525,513 | $101.9M | 0.16% | −2,665−0.5% | Reduced |
| UBS Group AG | 503,853 | $97.7M | 0.03% | +51,342+11.3% | Added |
| Pictet Asset Management Holding SA | 472,525 | $91.8M | 0.10% | −202,093−30.0% | Reduced |
| D. E. Shaw & Co., Inc. | 434,939 | $84.3M | 0.11% | +220,248+102.6% | Added |
| Swiss National Bank | 432,100 | $83.8M | 0.05% | +1,700+0.4% | Added |
| Two Sigma Advisers, LP | 427,600 | $82.9M | 0.19% | +235,100+122.1% | Added |
| Prudential Financial Inc | 423,284 | $82.0M | 0.12% | +328,707+347.6% | Added |
| HSBC Holdings PLC | 414,396 | $80.3M | 0.05% | +35,959+9.5% | Added |
| BNP Paribas Arbitrage, SA | 413,360 | $80.1M | 0.08% | +123,333+42.5% | Added |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 399,404 | $77.4M | 0.19% | −33,438−7.7% | Reduced |
| Millennium Management LLC | 398,136 | $77.2M | 0.07% | +158,289+66.0% | Added |
| California Public Employees Retirement System | 395,071 | $76.6M | 0.05% | −994−0.3% | Reduced |
| FMR LLC | 381,214 | $73.9M | 0.00% | −229,202−37.5% | Reduced |
| TD Asset Management Inc | 371,001 | $72.2M | 0.06% | −9,787−2.6% | Reduced |
| Citadel Advisors LLC | 372,366 | $72.2M | 0.08% | +372,366 | New |
| Franklin Resources Inc | 374,747 | $71.8M | 0.02% | −13,723−3.5% | Reduced |
| Sumitomo Mitsui Trust Holdings, Inc. | 370,128 | $71.7M | 0.05% | +9,254+2.6% | Added |
| Parnassus Investments | 361,512 | $70.1M | 0.15% | +770+0.2% | Added |
| National Pension Service | 359,569 | $69.7M | 0.07% | +32,914+10.1% | Added |
| First Trust Advisors LP | 358,491 | $69.5M | 0.07% | −31,460−8.1% | Reduced |
| Qube Research & Technologies Ltd | 349,345 | $67.7M | 0.12% | +335,113+2,354.6% | Added |
| Royal Bank of Canada | 343,194 | $66.5M | 0.01% | −52,518−13.3% | Reduced |
| Brown Advisory Inc | 333,227 | $64.6M | 0.08% | −14,291−4.1% | Reduced |
| Nuveen Asset Management, LLC | 323,187 | $62.6M | 0.02% | +1,879+0.6% | Added |
| Hudson Bay Capital Management LP | 300,000 | $58.2M | 0.40% | +105,000+53.8% | Added |
| Erste Asset Management GmbH | 287,623 | $55.8M | 0.67% | +3,306+1.2% | Added |
| Robeco Institutional Asset Management B.V. | 274,708 | $53.2M | 0.11% | +59,771+27.8% | Added |
| Rhumbline Advisers | 274,309 | $53.2M | 0.05% | −9,897−3.5% | Reduced |
| Susquehanna International Group, LLP | 261,147 | $50.6M | 0.09% | +142,924+120.9% | Added |
| Patient Capital Management, LLC | 255,942 | $49.6M | 2.44% | −1,327−0.5% | Reduced |
| Tocqueville Asset Management L.P. | 247,535 | $48.0M | 0.75% | +27,537+12.5% | Added |
| Citigroup Inc | 238,148 | $46.2M | 0.04% | +14,801+6.6% | Added |
| Squarepoint Ops LLC | 230,648 | $44.7M | 0.15% | +226,703+5,746.6% | Added |
| California State Teachers Retirement System | 230,507 | $44.7M | 0.05% | −428−0.2% | Reduced |
| Palo Alto Investors LP | 228,916 | $44.4M | 5.76% | −60,134−20.8% | Reduced |
| Mitsubishi UFJ Kokusai Asset Management Co., Ltd. | 223,632 | $43.3M | 0.05% | +20,536+10.1% | Added |
| Bank of Montreal | 219,911 | $42.8M | 0.02% | −14,420−6.2% | Reduced |
| American Century Companies Inc | 216,978 | $42.1M | 0.02% | −604,323−73.6% | Reduced |
| Candriam Luxembourg S.C.A. | 212,457 | $41.2M | 0.24% | −54,002−20.3% | Reduced |
| Wells Fargo & Company | 206,470 | $40.0M | 0.01% | −41,290−16.7% | Reduced |
| Canada Pension Plan Investment Board | 205,030 | $39.7M | 0.04% | +31,366+18.1% | Added |
| FIL Ltd | 196,002 | $38.0M | 0.03% | −594,603−75.2% | Reduced |
| Raymond James & Associates | 192,065 | $37.2M | 0.02% | +6,384+3.4% | Added |
| National Bank of Canada | 191,465 | $37.1M | 0.05% | +137,161+252.6% | Added |
| Thrivent Financial for Lutherans | 188,653 | $36.6M | 0.07% | −3,854−2.0% | Reduced |
| Capital Fund Management S.A. | 185,937 | $36.0M | 0.40% | +92,713+99.5% | Added |
| Swedbank AB | 185,008 | $35.9M | 0.05% | +84,981+85.0% | Added |
| Envestnet Asset Management Inc | 181,550 | $35.2M | 0.01% | −17,126−8.6% | Reduced |
| Alliancebernstein L.P. | 179,131 | $34.7M | 0.01% | −102,158−36.3% | Reduced |
| ProShare Advisors LLC | 169,032 | $32.8M | 0.08% | +11,404+7.2% | Added |
| Principal Financial Group Inc | 168,631 | $32.7M | 0.02% | +5,270+3.2% | Added |
| Rafferty Asset Management, LLC | 160,201 | $31.1M | 0.11% | +8,906+5.9% | Added |
| Group One Trading, L.P. | 159,235 | $30.9M | 1.22% | +42,582+36.5% | Added |
| Wedge Capital Management L L P | 152,661 | $29.6M | 0.51% | +4,147+2.8% | Added |
| Saratoga Research & Investment Management | 150,720 | $29.2M | 1.28% | −7,071−4.5% | Reduced |
| Worldquant Millennium Advisors LLC | 146,451 | $28.4M | 0.21% | +65,623+81.2% | Added |
| State Board of Administration of Florida Retirement System | 142,832 | $27.7M | 0.05% | −2,779−1.9% | Reduced |
| Letko, Brosseau & Associates Inc | 132,912 | $25.8M | 0.47% | +20,240+18.0% | Added |
| Russell Investments Group, Ltd. | 131,450 | $25.5M | 0.04% | +13,912+11.8% | Added |
| Mirae Asset Global ETFs Holdings Ltd. | 131,388 | $25.5M | 0.06% | +3,327+2.6% | Added |
| Victory Capital Management Inc | 130,709 | $25.3M | 0.02% | −2,504−1.9% | Reduced |
| Great West Life Assurance Co | 129,888 | $25.2M | 0.04% | +122+0.1% | Added |
| Banco Bilbao Vizcaya Argentaria, S.A. | 129,700 | $25.1M | 0.25% | +19,692+17.9% | Added |
| Manufacturers Life Insurance Company, The | 123,544 | $23.9M | 0.02% | −2,285−1.8% | Reduced |
| J. L. Bainbridge & Co., Inc. | 121,142 | $23.5M | 2.27% | +60,538+99.9% | Added |
| New York State Teachers Retirement System | 117,801 | $22.8M | 0.05% | −5,534−4.5% | Reduced |