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 2024
Institutional positions in Biogen Inc. as of Dec 31, 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
- 879
- −27 vs. Q3 2024
- Shares held
- 132.4M
- +2.79M (+2.2%) vs. Q3 2024
- Total value
- $20.2B
- −$4.80B (−19.2%) vs. Q3 2024
- New holders
- 133
- 300 more added
- Sold out
- 160
- 322 more reduced
15 institutions that held it in Q3 2024 haven't filed for Q4 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 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 | 1,047 | $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 2024
Shares, value and share of portfolio for each institution holding Biogen Inc.; share changes are against Q3 2024.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Wealth Enhancement Advisory Services, LLC | 16,443 | $2.51M | 0.00% | +11,504+232.9% | Added |
| UniSuper Management Pty Ltd | 16,485 | $2.52M | 0.02% | −42,345−72.0% | Reduced |
| Natixis Advisors, L.P. | 16,961 | $2.59M | 0.00% | −7,796−31.5% | Reduced |
| Mutual of America Capital Management LLC | 17,495 | $2.68M | 0.03% | −3,314−15.9% | Reduced |
| NEOS Investment Management LLC | 17,624 | $2.70M | 0.06% | +2,740+18.4% | Added |
| Sumitomo Mitsui DS Asset Management Company, Ltd | 17,761 | $2.72M | 0.03% | −1,941−9.9% | Reduced |
| North Growth Management Ltd. | 18,000 | $2.73M | 0.52% | +7,000+63.6% | Added |
| Triglav Skladi, D.O.O. | 18,027 | $2.76M | 0.22% | +18,027 | New |
| State of Tennessee, Treasury Department | 18,302 | $2.80M | 0.01% | −1,027−5.3% | Reduced |
| Public Sector Pension Investment Board | 18,362 | $2.81M | 0.01% | +12,001+188.7% | Added |
| Louisiana State Employees Retirement System | 18,400 | $2.81M | 0.05% | −900−4.7% | Reduced |
| Kranot Hishtalmut Le Morim Tichoniim Havera Menahelet LTD | 18,715 | $2.86M | 0.69% | +18,715 | New |
| Toroso Investments, LLC | 18,959 | $2.90M | 0.02% | +9,947+110.4% | Added |
| Mariner, LLC | 18,966 | $2.90M | 0.00% | −1,001−5.0% | Reduced |
| Public Employees Retirement Association of Colorado | 19,043 | $2.91M | 0.01% | −1,039−5.2% | Reduced |
| State of Alaska, Department of Revenue | 19,179 | $2.93M | 0.03% | −5,691−22.9% | Reduced |
| US Bancorp | 19,203 | $2.94M | 0.00% | −1,011−5.0% | Reduced |
| Kinneret Advisory, LLC | 19,435 | $2.97M | 0.28% | −905−4.4% | Reduced |
| FORA Capital, LLC | 19,486 | $2.98M | 0.34% | +1,786+10.1% | Added |
| Beacon Investment Advisory Services, Inc. | 19,609 | $3.00M | 0.13% | −4,001−16.9% | Reduced |
| Janus Henderson Group PLC | 19,763 | $3.02M | 0.00% | −3,266−14.2% | Reduced |
| Edgestream Partners, L.P. | 20,135 | $3.08M | 0.13% | +8,917+79.5% | Added |
| Bokf, NA | 20,852 | $3.10M | 0.05% | −3,357−13.9% | Reduced |
| Bank of Nova Scotia | 20,552 | $3.14M | 0.01% | +1,915+10.3% | Added |
| Xponance, Inc. | 20,735 | $3.17M | 0.03% | −290−1.4% | Reduced |
| Quest Partners LLC | 20,831 | $3.19M | 0.42% | +20,831 | New |
| Storebrand Asset Management AS | 20,966 | $3.21M | 0.01% | −34,383−62.1% | Reduced |
| Police & Firemen's Retirement System of New Jersey | 21,110 | $3.23M | 0.03% | +21,110 | New |
| Shelton Capital Management | 21,201 | $3.24M | 0.08% | 00.0% | Unchanged |
| JustInvest LLC | 21,658 | $3.31M | 0.05% | +10,359+91.7% | Added |
| Ensign Peak Advisors, Inc | 21,669 | $3.31M | 0.01% | −2,442−10.1% | Reduced |
| Tudor Investment Corp Et Al | 22,003 | $3.36M | 0.04% | −31,708−59.0% | Reduced |
| ING Groep NV | 22,171 | $3.39M | 0.02% | +2,521+12.8% | Added |
| New York Life Investment Management LLC | 22,458 | $3.43M | 0.03% | −124−0.5% | Reduced |
| Sphera Funds Management Ltd. | 22,738 | $3.48M | 0.64% | −1,717−7.0% | Reduced |
| Diversified Trust Co | 22,926 | $3.51M | 0.09% | +143+0.6% | Added |
| Cerity Partners LLC | 22,091 | $3.52M | 0.01% | +14,306+183.8% | Added |
| Yousif Capital Management, LLC | 23,050 | $3.52M | 0.04% | −96−0.4% | Reduced |
| Trexquant Investment LP | 23,337 | $3.57M | 0.04% | −73,259−75.8% | Reduced |
| Tocqueville Asset Management L.P. | 23,840 | $3.65M | 0.06% | −223,695−90.4% | Reduced |
| Ilmarinen Mutual Pension Insurance Co | 24,000 | $3.67M | 0.03% | +6,000+33.3% | Added |
| Utah Retirement Systems | 24,115 | $3.69M | 0.04% | 00.0% | Unchanged |
| Creative Planning | 24,546 | $3.75M | 0.00% | +10,772+78.2% | Added |
| The PNC Financial Services Group, Inc. | 25,174 | $3.85M | 0.00% | +1,753+7.5% | Added |
| Grimes & Company, Inc. | 25,613 | $3.92M | 0.11% | −21,854−46.0% | Reduced |
| Capstone Investment Advisors, LLC | 26,046 | $3.98M | 0.04% | +6,600+33.9% | Added |
| LPL Financial LLC | 26,138 | $4.00M | 0.00% | −18,253−41.1% | Reduced |
| Point72 Hong Kong Ltd | 26,179 | $4.00M | 0.25% | +26,179 | New |
| CIBC World Markets Corp | 26,240 | $4.01M | 0.02% | +3,267+14.2% | Added |
| Commonwealth Equity Services, LLC | 26,292 | $4.02M | 0.01% | −2,051−7.2% | Reduced |
| Generali Investments CEE, investicni spolecnost, a.s. | 27,060 | $4.14M | 0.43% | +27,060 | New |
| British Columbia Investment Management Corp | 27,888 | $4.26M | 0.03% | +3,599+14.8% | Added |
| Engineers Gate Manager LP | 28,043 | $4.29M | 0.07% | +10,051+55.9% | Added |
| CSM Advisors, LLC | 28,159 | $4.30M | 0.20% | +50+0.2% | Added |
| Amalgamated Bank | 28,201 | $4.31M | 0.04% | −422−1.5% | Reduced |
| ICICI Prudential Asset Management Co Ltd | 28,249 | $4.32M | 0.48% | −2,119−7.0% | Reduced |
| Headlands Technologies LLC | 28,377 | $4.34M | 0.44% | +27,129+2,173.8% | Added |
| Natixis | 28,392 | $4.34M | 0.03% | −88,057−75.6% | Reduced |
| Profund Advisors LLC | 28,629 | $4.38M | 0.16% | +98+0.3% | Added |
| Sector Gamma AS | 29,000 | $4.43M | 1.52% | −6,166−17.5% | Reduced |
| CI Private Wealth, LLC | 29,384 | $4.49M | 0.01% | −338−1.1% | Reduced |
| Kirr Marbach & Co LLC | 29,798 | $4.56M | 0.99% | −4,578−13.3% | Reduced |
| Fjarde Ap-Fonden /Fourth Swedish National Pension Fund | 29,821 | $4.56M | 0.05% | −1,900−6.0% | Reduced |
| Campbell & CO Investment Adviser LLC | 30,509 | $4.67M | 0.36% | +13,590+80.3% | Added |
| Commonwealth of Pennsylvania Public School Empls Retrmt Sys | 30,984 | $4.74M | 0.03% | −725−2.3% | Reduced |
| USS Investment Management Ltd | 31,498 | $4.82M | 0.03% | −5,584−15.1% | Reduced |
| Czech National Bank | 31,595 | $4.83M | 0.04% | +1,923+6.5% | Added |
| Orion Investment Co | 31,721 | $4.85M | 1.94% | −834−2.6% | Reduced |
| NorthCrest Asset Manangement, LLC | 32,406 | $4.96M | 0.15% | +548+1.7% | Added |
| SEI Investments Co | 32,694 | $5.00M | 0.01% | −75,258−69.7% | Reduced |
| Alberta Investment Management Corp | 33,180 | $5.07M | 0.03% | +19,280+138.7% | Added |
| China Universal Asset Management Co., Ltd. | 33,354 | $5.10M | 0.48% | −2,509−7.0% | Reduced |
| IFM Investors Pty Ltd | 33,425 | $5.11M | 0.05% | −588−1.7% | Reduced |
| KBC Group NV | 33,490 | $5.12M | 0.01% | +261+0.8% | Added |
| Simplex Trading, LLC | 33,542 | $5.13M | 0.14% | −19,576−36.9% | Reduced |
| Comerica Bank | 33,696 | $5.15M | 0.02% | −5,735−14.5% | Reduced |
| Andra AP-fonden | 33,700 | $5.15M | 0.08% | +7,000+26.2% | Added |
| Stoneridge Investment Partners LLC | 33,799 | $5.17M | 1.85% | 00.0% | Unchanged |
| Mackenzie Financial Corp | 33,846 | $5.18M | 0.01% | +19,759+140.3% | Added |
| STRS Ohio | 34,000 | $5.20M | 0.02% | −15,000−30.6% | Reduced |
| GF Fund Management Co. Ltd. | 34,242 | $5.24M | 0.11% | +34,242 | New |
| Entropy Technologies, LP | 34,397 | $5.26M | 0.54% | +34,397 | New |
| Martingale Asset Management L P | 34,922 | $5.34M | 0.13% | −20,850−37.4% | Reduced |
| Tang Capital Management LLC | 35,000 | $5.35M | 0.35% | 00.0% | Unchanged |
| Credit Agricole S A | 36,464 | $5.58M | 0.02% | +7,434+25.6% | Added |
| Calamos Advisors LLC | 36,558 | $5.59M | 0.03% | 00.0% | Unchanged |
| Impax Asset Management Group plc | 36,730 | $5.62M | 0.03% | −2,080−5.4% | Reduced |
| Daiwa Securities Group Inc. | 37,221 | $5.69M | 0.03% | +5,627+17.8% | Added |
| MetLife Investment Management | 38,564 | $5.90M | 0.03% | +690+1.8% | Added |
| PDT Partners, LLC | 39,405 | $6.03M | 0.53% | +22,908+138.9% | Added |
| Seizert Capital Partners, LLC | 39,671 | $6.07M | 0.27% | +28,667+260.5% | Added |
| Altrinsic Global Advisors LLC | 39,724 | $6.07M | 0.29% | +374+1.0% | Added |
| Mirae Asset Securities (USA) Inc. | 40,104 | $6.13M | 0.29% | +40,104 | New |
| Arizona State Retirement System | 40,770 | $6.23M | 0.04% | −951−2.3% | Reduced |
| Gateway Investment Advisers LLC | 41,202 | $6.30M | 0.07% | −110−0.3% | Reduced |
| Forsta Ap-Fonden | 41,300 | $6.32M | 0.04% | +13,200+47.0% | Added |
| Lido Advisors, LLC | 41,598 | $6.36M | 0.04% | +39,910+2,364.3% | Added |
| Schroder Investment Management Group | 42,615 | $6.40M | 0.01% | −21,444−33.5% | Reduced |
| Skandinaviska Enskilda Banken AB (publ) | 43,047 | $6.47M | 0.03% | −14,072−24.6% | Reduced |
| Hillman Capital Management, Inc. | 43,066 | $6.59M | 2.44% | +7,813+22.2% | Added |