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, Q3 2023
Institutional positions in Biogen Inc. as of Sep 30, 2023. 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
- 966
- −27 vs. Q2 2023
- Shares held
- 125.0M
- −292.7K (−0.2%) vs. Q2 2023
- Total value
- $32.2B
- −$3.51B (−9.8%) vs. Q2 2023
- New holders
- 91
- 333 more added
- Sold out
- 118
- 346 more reduced
16 institutions that held it in Q2 2023 haven't filed for Q3 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q2 2023: 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, Q3 2023
Shares, value and share of portfolio for each institution holding Biogen Inc.; share changes are against Q2 2023.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Bridgewater Associates, LP | 150,877 | $38.8M | 0.23% | +24,458+19.3% | Added |
| Banco Bilbao Vizcaya Argentaria, S.A. | 148,441 | $38.1M | 0.51% | −1,020−0.7% | Reduced |
| Storebrand Asset Management AS | 147,494 | $37.9M | 0.18% | −12,687−7.9% | Reduced |
| Korea Investment CORP | 144,136 | $37.0M | 0.11% | −3,243−2.2% | Reduced |
| New York State Teachers Retirement System | 143,058 | $36.8M | 0.09% | −11,131−7.2% | Reduced |
| Mitsubishi UFJ Kokusai Asset Management Co., Ltd. | 141,745 | $36.4M | 0.07% | +13,974+10.9% | Added |
| New York State Common Retirement Fund | 135,980 | $34.9M | 0.05% | −20,760−13.2% | Reduced |
| Victory Capital Management Inc | 134,130 | $34.5M | 0.04% | +24,371+22.2% | Added |
| Assenagon Asset Management S.A. | 129,741 | $33.3M | 0.12% | −86,935−40.1% | Reduced |
| Standard Life Aberdeen plc | 129,543 | $33.3M | 0.08% | +6,664+5.4% | Added |
| Manufacturers Life Insurance Company, The | 128,196 | $32.9M | 0.02% | +14,668+12.9% | Added |
| Railway Pension Investments Ltd | 127,722 | $32.8M | 0.36% | 00.0% | Unchanged |
| Panagora Asset Management Inc | 125,752 | $32.3M | 0.20% | −80,145−38.9% | Reduced |
| Wedge Capital Management L L P | 118,204 | $30.4M | 0.60% | +11,389+10.7% | Added |
| Avidity Partners Management LP | 115,400 | $29.7M | 1.19% | −58,600−33.7% | Reduced |
| National Bank of Canada | 116,991 | $29.6M | 0.05% | +68,282+140.2% | Added |
| Fisher Asset Management, LLC | 113,799 | $29.2M | 0.02% | −16,518−12.7% | Reduced |
| Voya Investment Management LLC | 113,349 | $29.1M | 0.03% | −3,960−3.4% | Reduced |
| APG Asset Management N.V. | 112,198 | $28.8M | 0.06% | −14,074−11.1% | Reduced |
| Susquehanna International Group, LLP | 112,077 | $28.8M | 0.04% | +73,296+189.0% | Added |
| Swedbank AB | 111,654 | $28.7M | 0.05% | −12,878−10.3% | Reduced |
| Letko, Brosseau & Associates Inc | 108,219 | $27.8M | 0.54% | −966−0.9% | Reduced |
| Man Group plc | – | $27.8M | 0.09% | – | – |
| Federated Hermes, Inc. | 104,468 | $26.8M | 0.07% | +44,328+73.7% | Added |
| Sector Gamma AS | 104,286 | $26.8M | 6.85% | +8,529+8.9% | Added |
| Putnam Investments LLC | 96,998 | $24.9M | 0.04% | −318−0.3% | Reduced |
| Mitsubishi UFJ Trust & Banking Corp | 96,773 | $24.9M | 0.06% | −1,219−1.2% | Reduced |
| Boone Capital Management LLC | 96,115 | $24.7M | 7.79% | +33,238+52.9% | Added |
| Treasurer of the State of North Carolina | 92,243 | $23.7M | 0.13% | +1,030+1.1% | Added |
| SEI Investments Co | 91,796 | $23.6M | 0.04% | +535+0.6% | Added |
| Toronto Dominion Bank | 91,076 | $23.4M | 0.04% | −5,762−6.0% | Reduced |
| STRS Ohio | 86,939 | $22.3M | 0.10% | −46,977−35.1% | Reduced |
| Skandinaviska Enskilda Banken AB (publ) | 83,981 | $21.6M | 0.14% | −4,520−5.1% | Reduced |
| Rafferty Asset Management, LLC | 82,547 | $21.2M | 0.12% | +17,754+27.4% | Added |
| Hudson Bay Capital Management LP | 82,500 | $21.2M | 0.20% | +25,000+43.5% | Added |
| Chevy Chase Trust Holdings, Inc. | 82,133 | $21.1M | 0.08% | −1,861−2.2% | Reduced |
| State of New Jersey Common Pension Fund D | 82,025 | $21.1M | 0.08% | −3,357−3.9% | Reduced |
| State of Wisconsin Investment Board | 81,291 | $20.9M | 0.07% | −30,207−27.1% | Reduced |
| Millennium Management LLC | 78,144 | $20.1M | 0.02% | +33,970+76.9% | Added |
| Citadel Advisors LLC | 78,136 | $20.1M | 0.02% | +78,136 | New |
| Handelsbanken Fonder AB | 75,764 | $19.5M | 0.11% | +974+1.3% | Added |
| Brandywine Global Investment Management, LLC | 73,449 | $18.9M | 0.17% | +6,284+9.4% | Added |
| Zimmer Partners, LP | 72,900 | $18.7M | 0.49% | +53,300+271.9% | Added |
| Public Employees Retirement System of Ohio | 72,821 | $18.7M | 0.08% | −9,094−11.1% | Reduced |
| Nomura Asset Management Co Ltd | 70,200 | $18.0M | 0.08% | −7,882−10.1% | Reduced |
| Mn Services Vermogensbeheer B.V. | 69,808 | $17.9M | 0.17% | +1,000+1.5% | Added |
| DnB Asset Management AS | 69,512 | $17.9M | 0.11% | +6,443+10.2% | Added |
| Guggenheim Capital LLC | 68,512 | $17.6M | 0.15% | +7,593+12.5% | Added |
| Illinois Municipal Retirement Fund | 68,391 | $17.6M | 0.33% | +8,291+13.8% | Added |
| Gilder Gagnon Howe & Co LLC | 67,578 | $17.4M | 0.26% | −12,719−15.8% | Reduced |
| Boston Common Asset Management, LLC | 64,758 | $16.6M | 0.40% | +24,868+62.3% | Added |
| Saturn V Capital Management LLC | 64,676 | $16.6M | 6.96% | +23,629+57.6% | Added |
| Martingale Asset Management L P | 64,252 | $16.5M | 0.35% | +1,544+2.5% | Added |
| Asset Management One Co.,Ltd. | 63,643 | $16.4M | 0.07% | +3,788+6.3% | Added |
| FIL Ltd | 63,344 | $16.3M | 0.02% | −642−1.0% | Reduced |
| Sprucegrove Investment Management Ltd | 61,955 | $15.9M | 1.00% | +1,943+3.2% | Added |
| Adage Capital Partners GP, L.L.C. | 60,895 | $15.7M | 0.04% | −341,161−84.9% | Reduced |
| Royal London Asset Management Ltd | 60,735 | $15.6M | 0.05% | −9,495−13.5% | Reduced |
| Moore Capital Management, LP | 60,000 | $15.4M | 0.42% | +60,000 | New |
| Nisa Investment Advisors, LLC | 58,536 | $15.0M | 0.11% | −8,853−13.1% | Reduced |
| Allspring Global Investments Holdings, LLC | 57,913 | $14.9M | 0.03% | −1,423−2.4% | Reduced |
| J. Goldman & Co LP | 56,921 | $14.6M | 0.73% | +56,921 | New |
| Grantham, Mayo, Van Otterloo & Co. LLC | 56,740 | $14.6M | 0.07% | −42,707−42.9% | Reduced |
| Rhenman & Partners Asset Management AB | 56,500 | $14.5M | 1.57% | −8,000−12.4% | Reduced |
| Stifel Financial Corp | 55,727 | $14.3M | 0.02% | +9,809+21.4% | Added |
| Schroder Investment Management Group | 54,683 | $14.1M | 0.02% | −21,277−28.0% | Reduced |
| Two Sigma Advisers, LP | 52,900 | $13.6M | 0.03% | −104,300−66.3% | Reduced |
| Gateway Investment Advisers LLC | 52,836 | $13.6M | 0.17% | −156−0.3% | Reduced |
| American International Group, Inc. | 52,582 | $13.5M | 0.09% | −492−0.9% | Reduced |
| Truist Financial Corp | 51,596 | $13.3M | 0.02% | −17,656−25.5% | Reduced |
| LPL Financial LLC | 50,810 | $13.1M | 0.01% | +8,781+20.9% | Added |
| Tredje AP-fonden | 50,383 | $12.9M | 0.19% | 00.0% | Unchanged |
| Factory Mutual Insurance Co | 49,200 | $12.6M | 0.18% | 00.0% | Unchanged |
| Aviva PLC | 49,189 | $12.6M | 0.05% | −8,072−14.1% | Reduced |
| UniSuper Management Pty Ltd | 49,072 | $12.6M | 0.15% | −15,026−23.4% | Reduced |
| ING Groep NV | 48,976 | $12.6M | 0.11% | +5,128+11.7% | Added |
| Baird Financial Group, Inc. | 48,952 | $12.6M | 0.03% | −2,511−4.9% | Reduced |
| KBC Group NV | 48,478 | $12.5M | 0.05% | −23,832−33.0% | Reduced |
| Edmond de Rothschild Holding S.A. | 48,145 | $12.4M | 0.25% | +19,820+70.0% | Added |
| Point72 Asset Management, L.P. | 48,100 | $12.4M | 0.04% | −577,541−92.3% | Reduced |
| State of Alaska, Department of Revenue | 47,175 | $12.1M | 0.15% | −565−1.2% | Reduced |
| Altrinsic Global Advisors LLC | 47,161 | $12.1M | 0.47% | −2,414−4.9% | Reduced |
| Jane Street Group, LLC | 46,854 | $12.0M | 0.02% | −88,059−65.3% | Reduced |
| Mackenzie Financial Corp | 46,830 | $11.8M | 0.02% | +4,209+9.9% | Added |
| Grimes & Company, Inc. | 44,570 | $11.5M | 0.44% | +486+1.1% | Added |
| AMF Pensionsforsakring AB | 43,849 | $11.3M | 0.11% | 00.0% | Unchanged |
| Atwood & Palmer Inc | 41,636 | $10.7M | 0.94% | −66−0.2% | Reduced |
| Oppenheimer Asset Management Inc. | 41,395 | $10.6M | 0.16% | +123+0.3% | Added |
| Jupiter Asset Management Ltd | 41,279 | $10.6M | 0.12% | +41,279 | New |
| Arizona State Retirement System | 40,970 | $10.5M | 0.09% | −331−0.8% | Reduced |
| CIBC Asset Management Inc | 40,451 | $10.4M | 0.04% | +3,924+10.7% | Added |
| Calamos Advisors LLC | 40,318 | $10.4M | 0.06% | 00.0% | Unchanged |
| International Biotechnology Trust PLC | 40,200 | $10.3M | 3.48% | +29,200+265.5% | Added |
| Bokf, NA | 42,961 | $10.2M | 0.22% | +15,583+56.9% | Added |
| State of Michigan Retirement System | 39,703 | $10.2M | 0.07% | −100−0.3% | Reduced |
| Teacher Retirement System of Texas | 38,312 | $9.85M | 0.07% | +694+1.8% | Added |
| Comerica Bank | 38,079 | $9.79M | 0.05% | +38,079 | New |
| Amalgamated Bank | 37,753 | $9.70M | 0.08% | +993+2.7% | Added |
| State of Tennessee, Treasury Department | 37,046 | $9.52M | 0.04% | −711−1.9% | Reduced |
| MetLife Investment Management | 35,806 | $9.20M | 0.07% | −919−2.5% | Reduced |