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 |
|---|---|---|---|---|---|
| Stifel Financial Corp | 55,727 | $14.3M | 0.02% | +9,809+21.4% | Added |
| Rhenman & Partners Asset Management AB | 56,500 | $14.5M | 1.57% | −8,000−12.4% | Reduced |
| Grantham, Mayo, Van Otterloo & Co. LLC | 56,740 | $14.6M | 0.07% | −42,707−42.9% | Reduced |
| J. Goldman & Co LP | 56,921 | $14.6M | 0.73% | +56,921 | New |
| Allspring Global Investments Holdings, LLC | 57,913 | $14.9M | 0.03% | −1,423−2.4% | Reduced |
| Nisa Investment Advisors, LLC | 58,536 | $15.0M | 0.11% | −8,853−13.1% | Reduced |
| Moore Capital Management, LP | 60,000 | $15.4M | 0.42% | +60,000 | New |
| Royal London Asset Management Ltd | 60,735 | $15.6M | 0.05% | −9,495−13.5% | Reduced |
| Adage Capital Partners GP, L.L.C. | 60,895 | $15.7M | 0.04% | −341,161−84.9% | Reduced |
| Sprucegrove Investment Management Ltd | 61,955 | $15.9M | 1.00% | +1,943+3.2% | Added |
| FIL Ltd | 63,344 | $16.3M | 0.02% | −642−1.0% | Reduced |
| Asset Management One Co.,Ltd. | 63,643 | $16.4M | 0.07% | +3,788+6.3% | Added |
| Martingale Asset Management L P | 64,252 | $16.5M | 0.35% | +1,544+2.5% | Added |
| Saturn V Capital Management LLC | 64,676 | $16.6M | 6.96% | +23,629+57.6% | Added |
| Boston Common Asset Management, LLC | 64,758 | $16.6M | 0.40% | +24,868+62.3% | Added |
| Gilder Gagnon Howe & Co LLC | 67,578 | $17.4M | 0.26% | −12,719−15.8% | Reduced |
| Illinois Municipal Retirement Fund | 68,391 | $17.6M | 0.33% | +8,291+13.8% | Added |
| Guggenheim Capital LLC | 68,512 | $17.6M | 0.15% | +7,593+12.5% | Added |
| DnB Asset Management AS | 69,512 | $17.9M | 0.11% | +6,443+10.2% | Added |
| Mn Services Vermogensbeheer B.V. | 69,808 | $17.9M | 0.17% | +1,000+1.5% | Added |
| Nomura Asset Management Co Ltd | 70,200 | $18.0M | 0.08% | −7,882−10.1% | Reduced |
| Public Employees Retirement System of Ohio | 72,821 | $18.7M | 0.08% | −9,094−11.1% | Reduced |
| Zimmer Partners, LP | 72,900 | $18.7M | 0.49% | +53,300+271.9% | Added |
| Brandywine Global Investment Management, LLC | 73,449 | $18.9M | 0.17% | +6,284+9.4% | Added |
| Handelsbanken Fonder AB | 75,764 | $19.5M | 0.11% | +974+1.3% | Added |
| Citadel Advisors LLC | 78,136 | $20.1M | 0.02% | +78,136 | New |
| Millennium Management LLC | 78,144 | $20.1M | 0.02% | +33,970+76.9% | Added |
| State of Wisconsin Investment Board | 81,291 | $20.9M | 0.07% | −30,207−27.1% | Reduced |
| State of New Jersey Common Pension Fund D | 82,025 | $21.1M | 0.08% | −3,357−3.9% | Reduced |
| Chevy Chase Trust Holdings, Inc. | 82,133 | $21.1M | 0.08% | −1,861−2.2% | Reduced |
| Hudson Bay Capital Management LP | 82,500 | $21.2M | 0.20% | +25,000+43.5% | Added |
| Rafferty Asset Management, LLC | 82,547 | $21.2M | 0.12% | +17,754+27.4% | Added |
| Skandinaviska Enskilda Banken AB (publ) | 83,981 | $21.6M | 0.14% | −4,520−5.1% | Reduced |
| STRS Ohio | 86,939 | $22.3M | 0.10% | −46,977−35.1% | Reduced |
| Toronto Dominion Bank | 91,076 | $23.4M | 0.04% | −5,762−6.0% | Reduced |
| SEI Investments Co | 91,796 | $23.6M | 0.04% | +535+0.6% | Added |
| Treasurer of the State of North Carolina | 92,243 | $23.7M | 0.13% | +1,030+1.1% | Added |
| Boone Capital Management LLC | 96,115 | $24.7M | 7.79% | +33,238+52.9% | Added |
| Mitsubishi UFJ Trust & Banking Corp | 96,773 | $24.9M | 0.06% | −1,219−1.2% | Reduced |
| Putnam Investments LLC | 96,998 | $24.9M | 0.04% | −318−0.3% | Reduced |
| Sector Gamma AS | 104,286 | $26.8M | 6.85% | +8,529+8.9% | Added |
| Federated Hermes, Inc. | 104,468 | $26.8M | 0.07% | +44,328+73.7% | Added |
| Man Group plc | – | $27.8M | 0.09% | – | – |
| Letko, Brosseau & Associates Inc | 108,219 | $27.8M | 0.54% | −966−0.9% | Reduced |
| Swedbank AB | 111,654 | $28.7M | 0.05% | −12,878−10.3% | Reduced |
| Susquehanna International Group, LLP | 112,077 | $28.8M | 0.04% | +73,296+189.0% | Added |
| APG Asset Management N.V. | 112,198 | $28.8M | 0.06% | −14,074−11.1% | Reduced |
| Voya Investment Management LLC | 113,349 | $29.1M | 0.03% | −3,960−3.4% | Reduced |
| Fisher Asset Management, LLC | 113,799 | $29.2M | 0.02% | −16,518−12.7% | Reduced |
| National Bank of Canada | 116,991 | $29.6M | 0.05% | +68,282+140.2% | Added |
| Avidity Partners Management LP | 115,400 | $29.7M | 1.19% | −58,600−33.7% | Reduced |
| Wedge Capital Management L L P | 118,204 | $30.4M | 0.60% | +11,389+10.7% | Added |
| Panagora Asset Management Inc | 125,752 | $32.3M | 0.20% | −80,145−38.9% | Reduced |
| Railway Pension Investments Ltd | 127,722 | $32.8M | 0.36% | 00.0% | Unchanged |
| Manufacturers Life Insurance Company, The | 128,196 | $32.9M | 0.02% | +14,668+12.9% | Added |
| Standard Life Aberdeen plc | 129,543 | $33.3M | 0.08% | +6,664+5.4% | Added |
| Assenagon Asset Management S.A. | 129,741 | $33.3M | 0.12% | −86,935−40.1% | Reduced |
| Victory Capital Management Inc | 134,130 | $34.5M | 0.04% | +24,371+22.2% | Added |
| New York State Common Retirement Fund | 135,980 | $34.9M | 0.05% | −20,760−13.2% | Reduced |
| Mitsubishi UFJ Kokusai Asset Management Co., Ltd. | 141,745 | $36.4M | 0.07% | +13,974+10.9% | Added |
| New York State Teachers Retirement System | 143,058 | $36.8M | 0.09% | −11,131−7.2% | Reduced |
| Korea Investment CORP | 144,136 | $37.0M | 0.11% | −3,243−2.2% | Reduced |
| Storebrand Asset Management AS | 147,494 | $37.9M | 0.18% | −12,687−7.9% | Reduced |
| Banco Bilbao Vizcaya Argentaria, S.A. | 148,441 | $38.1M | 0.51% | −1,020−0.7% | Reduced |
| Bridgewater Associates, LP | 150,877 | $38.8M | 0.23% | +24,458+19.3% | Added |
| Raymond James & Associates | 152,260 | $39.1M | 0.03% | +8,029+5.6% | Added |
| Russell Investments Group, Ltd. | 154,588 | $39.7M | 0.08% | −32,889−17.5% | Reduced |
| State Board of Administration of Florida Retirement System | 160,065 | $41.1M | 0.10% | −15,637−8.9% | Reduced |
| Krensavage Asset Management, LLC | 160,480 | $41.2M | 15.19% | −16,346−9.2% | Reduced |
| Lord, Abbett & Co. LLC | 161,365 | $41.5M | 0.15% | +25,818+19.0% | Added |
| Great West Life Assurance Co | 162,161 | $41.7M | 0.10% | +3,504+2.2% | Added |
| BNP Paribas Arbitrage, SA | 163,521 | $42.0M | 0.09% | +24,847+17.9% | Added |
| Mirae Asset Global Investments Co., Ltd. | 164,443 | $42.3M | 0.09% | +23,282+16.5% | Added |
| United Capital Financial Advisers, LLC | 165,639 | $42.6M | 0.28% | −21,170−11.3% | Reduced |
| Principal Financial Group Inc | 167,675 | $43.1M | 0.03% | −2,535−1.5% | Reduced |
| ProShare Advisors LLC | 168,401 | $43.3M | 0.13% | +18,807+12.6% | Added |
| Brown Advisory Inc | 169,022 | $43.4M | 0.07% | +4,219+2.6% | Added |
| Retirement Systems of Alabama | 169,646 | $43.6M | 0.20% | −151−0.1% | Reduced |
| Saratoga Research & Investment Management | 176,064 | $45.3M | 2.21% | −2,979−1.7% | Reduced |
| Epoch Investment Partners, Inc. | 186,046 | $47.8M | 0.30% | −16,970−8.4% | Reduced |
| PFM Health Sciences, LP | 186,635 | $48.0M | 2.29% | −11,699−5.9% | Reduced |
| Arrowstreet Capital, Limited Partnership | 196,954 | $50.6M | 0.06% | −98,889−33.4% | Reduced |
| Virginia Retirement Systems Et Al | 198,804 | $51.1M | 0.50% | +14,200+7.7% | Added |
| ExodusPoint Capital Management, LP | 209,160 | $53.8M | 0.69% | +152,308+267.9% | Added |
| Bank of Montreal | 206,843 | $53.9M | 0.03% | −10,272−4.7% | Reduced |
| Verition Fund Management LLC | 212,036 | $54.5M | 0.73% | +41,808+24.6% | Added |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 214,400 | $55.1M | 0.24% | +15,627+7.9% | Added |
| Ensign Peak Advisors, Inc | 214,472 | $55.1M | 0.12% | −120,836−36.0% | Reduced |
| Wells Fargo & Company | 214,673 | $55.2M | 0.02% | −35,155−14.1% | Reduced |
| Ameriprise Financial Inc | 218,365 | $56.1M | 0.02% | +19,638+9.9% | Added |
| Nordea Investment Management AB | 217,988 | $56.4M | 0.08% | +78,335+56.1% | Added |
| Citigroup Inc | 221,758 | $57.0M | 0.08% | −13,144−5.6% | Reduced |
| California State Teachers Retirement System | 226,333 | $58.2M | 0.09% | −7,220−3.1% | Reduced |
| Balyasny Asset Management LLC | 230,411 | $59.2M | 0.17% | +170,423+284.1% | Added |
| Candriam Luxembourg S.C.A. | 233,959 | $60.1M | 0.49% | +620.0% | Added |
| Prudential Financial Inc | 235,810 | $60.6M | 0.09% | +69,345+41.7% | Added |
| Canada Pension Plan Investment Board | 245,210 | $63.0M | 0.09% | +92,400+60.5% | Added |
| Alliancebernstein L.P. | 251,504 | $64.6M | 0.03% | +11,105+4.6% | Added |
| HSBC Holdings PLC | 272,634 | $70.1M | 0.08% | −10,875−3.8% | Reduced |
| Macquarie Group Ltd | 273,107 | $70.2M | 0.09% | +207,708+317.6% | Added |