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 |
|---|---|---|---|---|---|
| Mackenzie Financial Corp | 33,846 | $5.18M | 0.01% | +19,759+140.3% | Added |
| Stoneridge Investment Partners LLC | 33,799 | $5.17M | 1.85% | 00.0% | Unchanged |
| Andra AP-fonden | 33,700 | $5.15M | 0.08% | +7,000+26.2% | Added |
| Comerica Bank | 33,696 | $5.15M | 0.02% | −5,735−14.5% | Reduced |
| Simplex Trading, LLC | 33,542 | $5.13M | 0.14% | −19,576−36.9% | Reduced |
| KBC Group NV | 33,490 | $5.12M | 0.01% | +261+0.8% | Added |
| IFM Investors Pty Ltd | 33,425 | $5.11M | 0.05% | −588−1.7% | Reduced |
| China Universal Asset Management Co., Ltd. | 33,354 | $5.10M | 0.48% | −2,509−7.0% | Reduced |
| Alberta Investment Management Corp | 33,180 | $5.07M | 0.03% | +19,280+138.7% | Added |
| SEI Investments Co | 32,694 | $5.00M | 0.01% | −75,258−69.7% | Reduced |
| NorthCrest Asset Manangement, LLC | 32,406 | $4.96M | 0.15% | +548+1.7% | Added |
| Orion Investment Co | 31,721 | $4.85M | 1.94% | −834−2.6% | Reduced |
| Czech National Bank | 31,595 | $4.83M | 0.04% | +1,923+6.5% | Added |
| USS Investment Management Ltd | 31,498 | $4.82M | 0.03% | −5,584−15.1% | Reduced |
| Commonwealth of Pennsylvania Public School Empls Retrmt Sys | 30,984 | $4.74M | 0.03% | −725−2.3% | Reduced |
| Campbell & CO Investment Adviser LLC | 30,509 | $4.67M | 0.36% | +13,590+80.3% | Added |
| Fjarde Ap-Fonden /Fourth Swedish National Pension Fund | 29,821 | $4.56M | 0.05% | −1,900−6.0% | Reduced |
| Kirr Marbach & Co LLC | 29,798 | $4.56M | 0.99% | −4,578−13.3% | Reduced |
| CI Private Wealth, LLC | 29,384 | $4.49M | 0.01% | −338−1.1% | Reduced |
| Sector Gamma AS | 29,000 | $4.43M | 1.52% | −6,166−17.5% | Reduced |
| Profund Advisors LLC | 28,629 | $4.38M | 0.16% | +98+0.3% | Added |
| Natixis | 28,392 | $4.34M | 0.03% | −88,057−75.6% | Reduced |
| Headlands Technologies LLC | 28,377 | $4.34M | 0.44% | +27,129+2,173.8% | Added |
| ICICI Prudential Asset Management Co Ltd | 28,249 | $4.32M | 0.48% | −2,119−7.0% | Reduced |
| Amalgamated Bank | 28,201 | $4.31M | 0.04% | −422−1.5% | Reduced |
| CSM Advisors, LLC | 28,159 | $4.30M | 0.20% | +50+0.2% | Added |
| Engineers Gate Manager LP | 28,043 | $4.29M | 0.07% | +10,051+55.9% | Added |
| British Columbia Investment Management Corp | 27,888 | $4.26M | 0.03% | +3,599+14.8% | Added |
| Generali Investments CEE, investicni spolecnost, a.s. | 27,060 | $4.14M | 0.43% | +27,060 | New |
| Commonwealth Equity Services, LLC | 26,292 | $4.02M | 0.01% | −2,051−7.2% | Reduced |
| CIBC World Markets Corp | 26,240 | $4.01M | 0.02% | +3,267+14.2% | Added |
| Point72 Hong Kong Ltd | 26,179 | $4.00M | 0.25% | +26,179 | New |
| LPL Financial LLC | 26,138 | $4.00M | 0.00% | −18,253−41.1% | Reduced |
| Capstone Investment Advisors, LLC | 26,046 | $3.98M | 0.04% | +6,600+33.9% | Added |
| Grimes & Company, Inc. | 25,613 | $3.92M | 0.11% | −21,854−46.0% | Reduced |
| The PNC Financial Services Group, Inc. | 25,174 | $3.85M | 0.00% | +1,753+7.5% | Added |
| Creative Planning | 24,546 | $3.75M | 0.00% | +10,772+78.2% | Added |
| Utah Retirement Systems | 24,115 | $3.69M | 0.04% | 00.0% | Unchanged |
| Ilmarinen Mutual Pension Insurance Co | 24,000 | $3.67M | 0.03% | +6,000+33.3% | Added |
| Tocqueville Asset Management L.P. | 23,840 | $3.65M | 0.06% | −223,695−90.4% | Reduced |
| Trexquant Investment LP | 23,337 | $3.57M | 0.04% | −73,259−75.8% | Reduced |
| Yousif Capital Management, LLC | 23,050 | $3.52M | 0.04% | −96−0.4% | Reduced |
| Cerity Partners LLC | 22,091 | $3.52M | 0.01% | +14,306+183.8% | Added |
| Diversified Trust Co | 22,926 | $3.51M | 0.09% | +143+0.6% | Added |
| Sphera Funds Management Ltd. | 22,738 | $3.48M | 0.64% | −1,717−7.0% | Reduced |
| New York Life Investment Management LLC | 22,458 | $3.43M | 0.03% | −124−0.5% | Reduced |
| ING Groep NV | 22,171 | $3.39M | 0.02% | +2,521+12.8% | Added |
| Tudor Investment Corp Et Al | 22,003 | $3.36M | 0.04% | −31,708−59.0% | Reduced |
| Ensign Peak Advisors, Inc | 21,669 | $3.31M | 0.01% | −2,442−10.1% | Reduced |
| JustInvest LLC | 21,658 | $3.31M | 0.05% | +10,359+91.7% | Added |
| Shelton Capital Management | 21,201 | $3.24M | 0.08% | 00.0% | Unchanged |
| Police & Firemen's Retirement System of New Jersey | 21,110 | $3.23M | 0.03% | +21,110 | New |
| Storebrand Asset Management AS | 20,966 | $3.21M | 0.01% | −34,383−62.1% | Reduced |
| Quest Partners LLC | 20,831 | $3.19M | 0.42% | +20,831 | New |
| Xponance, Inc. | 20,735 | $3.17M | 0.03% | −290−1.4% | Reduced |
| Bank of Nova Scotia | 20,552 | $3.14M | 0.01% | +1,915+10.3% | Added |
| Bokf, NA | 20,852 | $3.10M | 0.05% | −3,357−13.9% | Reduced |
| Edgestream Partners, L.P. | 20,135 | $3.08M | 0.13% | +8,917+79.5% | Added |
| Janus Henderson Group PLC | 19,763 | $3.02M | 0.00% | −3,266−14.2% | Reduced |
| Beacon Investment Advisory Services, Inc. | 19,609 | $3.00M | 0.13% | −4,001−16.9% | Reduced |
| FORA Capital, LLC | 19,486 | $2.98M | 0.34% | +1,786+10.1% | Added |
| Kinneret Advisory, LLC | 19,435 | $2.97M | 0.28% | −905−4.4% | Reduced |
| US Bancorp | 19,203 | $2.94M | 0.00% | −1,011−5.0% | Reduced |
| State of Alaska, Department of Revenue | 19,179 | $2.93M | 0.03% | −5,691−22.9% | Reduced |
| Public Employees Retirement Association of Colorado | 19,043 | $2.91M | 0.01% | −1,039−5.2% | Reduced |
| Mariner, LLC | 18,966 | $2.90M | 0.00% | −1,001−5.0% | Reduced |
| Toroso Investments, LLC | 18,959 | $2.90M | 0.02% | +9,947+110.4% | Added |
| Kranot Hishtalmut Le Morim Tichoniim Havera Menahelet LTD | 18,715 | $2.86M | 0.69% | +18,715 | New |
| Louisiana State Employees Retirement System | 18,400 | $2.81M | 0.05% | −900−4.7% | Reduced |
| Public Sector Pension Investment Board | 18,362 | $2.81M | 0.01% | +12,001+188.7% | Added |
| State of Tennessee, Treasury Department | 18,302 | $2.80M | 0.01% | −1,027−5.3% | Reduced |
| Triglav Skladi, D.O.O. | 18,027 | $2.76M | 0.22% | +18,027 | New |
| North Growth Management Ltd. | 18,000 | $2.73M | 0.52% | +7,000+63.6% | Added |
| Sumitomo Mitsui DS Asset Management Company, Ltd | 17,761 | $2.72M | 0.03% | −1,941−9.9% | Reduced |
| NEOS Investment Management LLC | 17,624 | $2.70M | 0.06% | +2,740+18.4% | Added |
| Mutual of America Capital Management LLC | 17,495 | $2.68M | 0.03% | −3,314−15.9% | Reduced |
| Natixis Advisors, L.P. | 16,961 | $2.59M | 0.00% | −7,796−31.5% | Reduced |
| UniSuper Management Pty Ltd | 16,485 | $2.52M | 0.02% | −42,345−72.0% | Reduced |
| Wealth Enhancement Advisory Services, LLC | 16,443 | $2.51M | 0.00% | +11,504+232.9% | Added |
| Clark Estates Inc | 16,300 | $2.49M | 0.48% | +150+0.9% | Added |
| Generali Asset Management SPA SGR | 16,195 | $2.48M | 0.06% | +16,195 | New |
| Elo Mutual Pension Insurance Co | 16,100 | $2.46M | 0.05% | +3,216+25.0% | Added |
| Thrivent Financial for Lutherans | 15,836 | $2.42M | 0.00% | −172,817−91.6% | Reduced |
| CWM, LLC | 15,725 | $2.40M | 0.01% | +12,440+378.7% | Added |
| iA Global Asset Management Inc. | 15,706 | $2.40M | 0.04% | +858+5.8% | Added |
| Avanza Fonder AB | 15,536 | $2.38M | 0.07% | +15,536 | New |
| Old North State Wealth Management, LLC | 15,467 | $2.37M | 1.33% | +1,934+14.3% | Added |
| Kentucky Retirement Systems Insurance Trust Fund | 8,365 | $2.34M | 0.41% | +4,052+93.9% | Added |
| Vontobel Holding Ltd. | 15,262 | $2.33M | 0.01% | +4,109+36.8% | Added |
| Y-Intercept (Hong Kong) Ltd | 15,148 | $2.32M | 0.15% | +7,970+111.0% | Added |
| Synovus Financial Corp | 14,954 | $2.29M | 0.03% | +492+3.4% | Added |
| Ethic Inc. | 14,912 | $2.28M | 0.05% | +7,743+108.0% | Added |
| Ostrum Asset Management | 14,881 | $2.28M | 0.20% | −7,023−32.1% | Reduced |
| Marathon Trading Investment Management LLC | 14,533 | $2.22M | 0.37% | +14,533 | New |
| M&T Bank Corp | 14,509 | $2.22M | 0.01% | −1,724−10.6% | Reduced |
| LMR Partners LLP | 14,500 | $2.22M | 0.04% | +6,379+78.5% | Added |
| Gsa Capital Partners LLP | 14,446 | $2.21M | 0.16% | +10,039+227.8% | Added |
| Gabelli Funds LLC | 14,100 | $2.16M | 0.02% | 00.0% | Unchanged |
| Auxier Asset Management | 14,046 | $2.15M | 0.33% | −2,136−13.2% | Reduced |
| Leo Wealth, LLC | 13,932 | $2.13M | 0.19% | −7−0.1% | Reduced |