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, Q4 2023
Institutional positions in Biogen Inc. as of Dec 31, 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
- 1,005
- +56 vs. Q3 2023
- Shares held
- 128.7M
- +4.02M (+3.2%) vs. Q3 2023
- Total value
- $33.3B
- +$1.22B (+3.8%) vs. Q3 2023
- New holders
- 137
- 287 more added
- Sold out
- 81
- 373 more reduced
17 institutions that held it in Q3 2023 haven't filed for Q4 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 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, Q4 2023
Shares, value and share of portfolio for each institution holding Biogen Inc.; share changes are against Q3 2023.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| USS Investment Management Ltd | 30,219 | $7.82M | 0.07% | 00.0% | Unchanged |
| Andra AP-fonden | 31,000 | $8.02M | 0.42% | −1,000−3.1% | Reduced |
| NorthCrest Asset Manangement, LLC | 31,069 | $8.04M | 0.30% | −930−2.9% | Reduced |
| CI Private Wealth, LLC | 31,212 | $8.08M | 0.01% | +8,453+37.1% | Added |
| Commonwealth of Pennsylvania Public School Empls Retrmt Sys | 31,731 | $8.21M | 0.06% | +2,612+9.0% | Added |
| Retirement Systems of Alabama | 31,933 | $8.26M | 0.04% | −137,713−81.2% | Reduced |
| Saturn V Capital Management LLC | 32,469 | $8.40M | 3.22% | −32,207−49.8% | Reduced |
| Teacher Retirement System of Texas | 33,870 | $8.77M | 0.06% | −4,442−11.6% | Reduced |
| Channing Capital Management, LLC | 34,103 | $8.82M | 0.26% | +4,077+13.6% | Added |
| IFM Investors Pty Ltd | 34,188 | $8.85M | 0.11% | +1,113+3.4% | Added |
| Capital World Investors | 34,200 | $8.85M | 0.00% | +34,200 | New |
| Bokf, NA | 34,354 | $8.89M | 0.17% | −8,607−20.0% | Reduced |
| Hillman Capital Management, Inc. | 34,476 | $8.92M | 3.08% | +170+0.5% | Added |
| Weiss Multi-Strategy Advisers LLC | 34,696 | $8.98M | 0.23% | +10,444+43.1% | Added |
| Amalgamated Bank | 34,856 | $9.02M | 0.07% | −2,897−7.7% | Reduced |
| MetLife Investment Management | 35,158 | $9.10M | 0.07% | −648−1.8% | Reduced |
| ICICI Prudential Asset Management Co Ltd | 35,989 | $9.31M | 1.08% | +4,693+15.0% | Added |
| DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main | 36,475 | $9.43M | 0.01% | +1,854+5.4% | Added |
| AQR Capital Management LLC | 37,140 | $9.61M | 0.02% | −269,539−87.9% | Reduced |
| State of Alaska, Department of Revenue | 38,550 | $9.97M | 0.12% | −8,625−18.3% | Reduced |
| Oppenheimer Asset Management Inc. | 38,599 | $9.99M | 0.14% | −2,796−6.8% | Reduced |
| CIBC World Markets Corp | 39,452 | $10.2M | 0.06% | +14,799+60.0% | Added |
| State of Michigan Retirement System | 39,703 | $10.3M | 0.06% | 00.0% | Unchanged |
| Calamos Advisors LLC | 39,798 | $10.3M | 0.05% | −520−1.3% | Reduced |
| Degroof Petercam Asset Management | 40,300 | $10.4M | 0.14% | +40,300 | New |
| CIBC Asset Management Inc | 40,486 | $10.5M | 0.04% | +35+0.1% | Added |
| Arizona State Retirement System | 40,745 | $10.5M | 0.08% | −225−0.5% | Reduced |
| Two Sigma Advisers, LP | 41,100 | $10.6M | 0.02% | −11,800−22.3% | Reduced |
| Comerica Bank | 41,104 | $10.6M | 0.05% | +3,025+7.9% | Added |
| Atwood & Palmer Inc | 41,596 | $10.8M | 0.87% | −40−0.1% | Reduced |
| Truist Financial Corp | 41,915 | $10.8M | 0.02% | −9,681−18.8% | Reduced |
| Assenagon Asset Management S.A. | 43,216 | $11.2M | 0.03% | −86,525−66.7% | Reduced |
| AMF Pensionsforsakring AB | 43,849 | $11.3M | 0.10% | 00.0% | Unchanged |
| Altrinsic Global Advisors LLC | 44,551 | $11.5M | 0.49% | −2,610−5.5% | Reduced |
| Caxton Associates LP | 45,000 | $11.6M | 0.60% | +45,000 | New |
| LPL Financial LLC | 45,070 | $11.7M | 0.01% | −5,740−11.3% | Reduced |
| Grimes & Company, Inc. | 45,199 | $11.7M | 0.39% | +629+1.4% | Added |
| Tri Locum Partners LP | 45,814 | $11.9M | 5.82% | +45,814 | New |
| Sphera Funds Management Ltd. | 46,346 | $12.0M | 2.23% | +20,500+79.3% | Added |
| Gateway Investment Advisers LLC | 46,939 | $12.1M | 0.14% | −5,897−11.2% | Reduced |
| Edmond de Rothschild Holding S.A. | 48,133 | $12.5M | 0.22% | −120.0% | Reduced |
| UniSuper Management Pty Ltd | 48,218 | $12.5M | 0.14% | −854−1.7% | Reduced |
| Illinois Municipal Retirement Fund | 49,117 | $12.7M | 0.21% | −19,274−28.2% | Reduced |
| Factory Mutual Insurance Co | 49,200 | $12.7M | 0.16% | 00.0% | Unchanged |
| Baird Financial Group, Inc. | 49,269 | $12.7M | 0.03% | +317+0.6% | Added |
| ING Groep NV | 49,492 | $12.8M | 0.10% | +516+1.1% | Added |
| KBC Group NV | 50,836 | $13.2M | 0.05% | +2,358+4.9% | Added |
| Stifel Financial Corp | 51,648 | $13.4M | 0.02% | −4,079−7.3% | Reduced |
| American International Group, Inc. | 51,969 | $13.4M | 0.06% | −613−1.2% | Reduced |
| Capitolis Liquid Global Markets LLC | 54,000 | $14.0M | 0.57% | +54,000 | New |
| Two Sigma Investments, LP | 54,025 | $14.0M | 0.03% | +34,511+176.9% | Added |
| DnB Asset Management AS | 55,464 | $14.4M | 0.07% | −14,048−20.2% | Reduced |
| Nisa Investment Advisors, LLC | 55,721 | $14.4M | 0.10% | −2,815−4.8% | Reduced |
| Royal London Asset Management Ltd | 57,215 | $14.8M | 0.04% | −3,520−5.8% | Reduced |
| Handelsbanken Fonder AB | 57,533 | $14.9M | 0.07% | −18,231−24.1% | Reduced |
| Rhenman & Partners Asset Management AB | 58,672 | $15.2M | 1.52% | +2,172+3.8% | Added |
| Boston Common Asset Management, LLC | 58,711 | $15.2M | 0.35% | −6,047−9.3% | Reduced |
| Mackenzie Financial Corp | 60,626 | $15.7M | 0.02% | +13,796+29.5% | Added |
| Asset Management One Co.,Ltd. | 61,257 | $16.0M | 0.06% | −2,386−3.7% | Reduced |
| Martingale Asset Management L P | 62,227 | $16.1M | 0.33% | −2,025−3.2% | Reduced |
| Sprucegrove Investment Management Ltd | 62,755 | $16.2M | 0.70% | +800+1.3% | Added |
| State of Tennessee, Treasury Department | 63,396 | $16.4M | 0.06% | +26,350+71.1% | Added |
| Fisher Asset Management, LLC | 63,778 | $16.5M | 0.01% | −50,021−44.0% | Reduced |
| Aviva PLC | 66,959 | $17.3M | 0.06% | +17,770+36.1% | Added |
| Natixis | 67,073 | $17.4M | 0.13% | +45,538+211.5% | Added |
| Mn Services Vermogensbeheer B.V. | 67,208 | $17.4M | 0.16% | −2,600−3.7% | Reduced |
| Guggenheim Capital LLC | 68,055 | $17.6M | 0.13% | −457−0.7% | Reduced |
| Gilder Gagnon Howe & Co LLC | 68,479 | $17.7M | 0.24% | +901+1.3% | Added |
| Man Group plc | 70,008 | $18.1M | 0.05% | – | – |
| Brandywine Global Investment Management, LLC | 70,041 | $18.1M | 0.15% | −3,408−4.6% | Reduced |
| Nomura Asset Management Co Ltd | 71,695 | $18.6M | 0.08% | +1,495+2.1% | Added |
| Public Employees Retirement System of Ohio | 71,793 | $18.6M | 0.07% | −1,028−1.4% | Reduced |
| Vestal Point Capital, LP | 75,000 | $19.4M | 2.06% | +75,000 | New |
| State of Wisconsin Investment Board | 77,562 | $20.1M | 0.06% | −3,729−4.6% | Reduced |
| Susquehanna International Group, LLP | 78,590 | $20.3M | 0.03% | −33,487−29.9% | Reduced |
| Woodline Partners LP | 80,600 | $20.9M | 0.23% | +80,600 | New |
| Chevy Chase Trust Holdings, Inc. | 81,669 | $21.1M | 0.08% | −464−0.6% | Reduced |
| State of New Jersey Common Pension Fund D | 82,025 | $21.2M | 0.07% | 00.0% | Unchanged |
| Mitsubishi UFJ Trust & Banking Corp | 84,307 | $21.8M | 0.05% | −12,466−12.9% | Reduced |
| Ensign Peak Advisors, Inc | 84,463 | $21.9M | 0.04% | −130,009−60.6% | Reduced |
| Skandinaviska Enskilda Banken AB (publ) | 85,695 | $22.2M | 0.13% | +1,714+2.0% | Added |
| SEI Investments Co | 89,614 | $23.2M | 0.04% | −2,182−2.4% | Reduced |
| Moore Capital Management, LP | 90,000 | $23.3M | 0.56% | +30,000+50.0% | Added |
| Squarepoint Ops LLC | 90,302 | $23.4M | 0.10% | +57,514+175.4% | Added |
| Toronto Dominion Bank | 92,240 | $23.9M | 0.03% | +1,164+1.3% | Added |
| Schroder Investment Management Group | 92,631 | $24.0M | 0.03% | +37,948+69.4% | Added |
| United Capital Financial Advisers, LLC | 95,270 | $24.7M | 0.20% | −70,369−42.5% | Reduced |
| Treasurer of the State of North Carolina | 95,852 | $24.8M | 0.12% | +3,609+3.9% | Added |
| Rafferty Asset Management, LLC | 95,882 | $24.8M | 0.10% | +13,335+16.2% | Added |
| Putnam Investments LLC | 97,475 | $25.2M | 0.03% | +477+0.5% | Added |
| Federated Hermes, Inc. | 100,148 | $25.9M | 0.06% | −4,320−4.1% | Reduced |
| Sector Gamma AS | 102,234 | $26.5M | 6.42% | −2,052−2.0% | Reduced |
| Letko, Brosseau & Associates Inc | 104,414 | $27.0M | 0.49% | −3,805−3.5% | Reduced |
| Canada Pension Plan Investment Board | 105,926 | $27.4M | 0.03% | −139,284−56.8% | Reduced |
| Swedbank AB | 106,156 | $27.5M | 0.04% | −5,498−4.9% | Reduced |
| APG Asset Management N.V. | 123,236 | $28.9M | 0.06% | +11,038+9.8% | Added |
| Banco Bilbao Vizcaya Argentaria, S.A. | 114,900 | $29.7M | 0.35% | −33,541−22.6% | Reduced |
| Voya Investment Management LLC | 115,468 | $29.9M | 0.03% | +2,119+1.9% | Added |
| Zimmer Partners, LP | 116,700 | $30.2M | 1.11% | +43,800+60.1% | Added |
| LSV Asset Management | 117,030 | $30.3M | 0.07% | −227,622−66.0% | Reduced |