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 2024
Institutional positions in Biogen Inc. as of Sep 30, 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
- 921
- −17 vs. Q2 2024
- Shares held
- 129.8M
- +15.4M (+13.4%) vs. Q2 2024
- Total value
- $25.1B
- −$1.44B (−5.4%) vs. Q2 2024
- New holders
- 101
- 269 more added
- Sold out
- 118
- 378 more reduced
9 institutions that held it in Q2 2024 haven't filed for Q3 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q2 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, Q3 2024
Shares, value and share of portfolio for each institution holding Biogen Inc.; share changes are against Q2 2024.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Fjarde Ap-Fonden /Fourth Swedish National Pension Fund | 31,721 | $6.15M | 0.06% | +31,721 | New |
| Commonwealth of Pennsylvania Public School Empls Retrmt Sys | 31,709 | $6.15M | 0.04% | −272−0.9% | Reduced |
| Daiwa Securities Group Inc. | 31,594 | $6.12M | 0.03% | +6,746+27.1% | Added |
| Retirement Systems of Alabama | 31,321 | $6.07M | 0.02% | −796−2.5% | Reduced |
| Bedell Frazier Investment Counseling, LLC | 31,318 | $6.07M | 1.45% | +17,628+128.8% | Added |
| Banque Pictet & Cie SA | 30,735 | $5.96M | 0.06% | +966+3.2% | Added |
| ICICI Prudential Asset Management Co Ltd | 30,368 | $5.89M | 0.62% | −9,529−23.9% | Reduced |
| CenterBook Partners LP | 29,987 | $5.81M | 0.36% | −26,841−47.2% | Reduced |
| Suvretta Capital Management, LLC | 29,946 | $5.80M | 0.21% | +29,946 | New |
| CI Private Wealth, LLC | 29,722 | $5.76M | 0.01% | −3,100−9.4% | Reduced |
| Czech National Bank | 29,672 | $5.75M | 0.06% | +1,928+6.9% | Added |
| ADAR1 Capital Management, LLC | 29,625 | $5.74M | 0.96% | +29,625 | New |
| Baird Financial Group, Inc. | 29,442 | $5.71M | 0.01% | +2,858+10.8% | Added |
| Credit Agricole S A | 29,030 | $5.63M | 0.03% | −4,782−14.1% | Reduced |
| Amalgamated Bank | 28,623 | $5.55M | 0.05% | −805−2.7% | Reduced |
| Profund Advisors LLC | 28,531 | $5.53M | 0.21% | +1,610+6.0% | Added |
| Commonwealth Equity Services, LLC | 28,343 | $5.49M | 0.01% | −103−0.4% | Reduced |
| CSM Advisors, LLC | 28,109 | $5.45M | 0.36% | −300−1.1% | Reduced |
| Forsta Ap-Fonden | 28,100 | $5.45M | 0.04% | +3,400+13.8% | Added |
| Healthcare of Ontario Pension Plan Trust Fund | 27,691 | $5.37M | 0.01% | −15,005−35.1% | Reduced |
| Sarissa Capital Management LP | 26,950 | $5.22M | 1.30% | −616,050−95.8% | Reduced |
| Andra AP-fonden | 26,700 | $5.18M | 0.08% | +2,300+9.4% | Added |
| State of Alaska, Department of Revenue | 24,870 | $4.82M | 0.05% | −4,900−16.5% | Reduced |
| Natixis Advisors, L.P. | 24,757 | $4.80M | 0.01% | −10,054−28.9% | Reduced |
| Sphera Funds Management Ltd. | 24,455 | $4.74M | 0.78% | −22,957−48.4% | Reduced |
| British Columbia Investment Management Corp | 24,289 | $4.71M | 0.03% | −3,549−12.7% | Reduced |
| Utah Retirement Systems | 24,115 | $4.67M | 0.05% | +100+0.4% | Added |
| Ensign Peak Advisors, Inc | 24,111 | $4.67M | 0.01% | −10,470−30.3% | Reduced |
| Lazard Asset Management LLC | 23,857 | $4.62M | 0.01% | +3,721+18.5% | Added |
| Beacon Investment Advisory Services, Inc. | 23,610 | $4.58M | 0.19% | −1,051−4.3% | Reduced |
| The PNC Financial Services Group, Inc. | 23,421 | $4.54M | 0.00% | −1,173−4.8% | Reduced |
| Yousif Capital Management, LLC | 23,146 | $4.49M | 0.05% | −118−0.5% | Reduced |
| Bokf, NA | 24,209 | $4.47M | 0.08% | −619−2.5% | Reduced |
| Janus Henderson Group PLC | 23,029 | $4.46M | 0.00% | +1,900+9.0% | Added |
| CIBC World Markets Corp | 22,973 | $4.45M | 0.03% | −6,275−21.5% | Reduced |
| Diversified Trust Co | 22,783 | $4.42M | 0.11% | −73−0.3% | Reduced |
| Connor, Clark & Lunn Investment Management Ltd. | 22,744 | $4.41M | 0.02% | −65,758−74.3% | Reduced |
| New York Life Investment Management LLC | 22,582 | $4.38M | 0.04% | −385−1.7% | Reduced |
| Evergreen Capital Management LLC | 22,354 | $4.33M | 0.15% | −1,470−6.2% | Reduced |
| Ostrum Asset Management | 21,904 | $4.25M | 0.35% | +167+0.8% | Added |
| Virtu Financial LLC | 21,207 | $4.11M | 0.23% | +21,207 | New |
| Shelton Capital Management | 21,201 | $4.11M | 0.11% | −100−0.5% | Reduced |
| APG Asset Management N.V. | 23,635 | $4.11M | 0.03% | −105,941−81.8% | Reduced |
| Xponance, Inc. | 21,025 | $4.08M | 0.04% | −56−0.3% | Reduced |
| Mutual of America Capital Management LLC | 20,809 | $4.03M | 0.04% | −3,174−13.2% | Reduced |
| Kinneret Advisory, LLC | 20,340 | $3.94M | 0.36% | −266−1.3% | Reduced |
| US Bancorp | 20,214 | $3.92M | 0.01% | −3,755−15.7% | Reduced |
| Public Employees Retirement Association of Colorado | 20,082 | $3.89M | 0.02% | +11+0.1% | Added |
| American Assets Investment Management, LLC | 20,000 | $3.88M | 0.34% | 00.0% | Unchanged |
| Mariner, LLC | 19,967 | $3.87M | 0.01% | −3,147−13.6% | Reduced |
| Silverarc Capital Management, LLC | 19,940 | $3.87M | 0.87% | +575+3.0% | Added |
| Sumitomo Mitsui DS Asset Management Company, Ltd | 19,702 | $3.82M | 0.04% | +489+2.5% | Added |
| ING Groep NV | 19,650 | $3.81M | 0.02% | −4,945−20.1% | Reduced |
| Pacer Advisors, Inc. | 19,507 | $3.78M | 0.01% | +441+2.3% | Added |
| Capstone Investment Advisors, LLC | 19,446 | $3.77M | 0.07% | +12,873+195.8% | Added |
| State of Tennessee, Treasury Department | 19,329 | $3.75M | 0.01% | −41,870−68.4% | Reduced |
| Louisiana State Employees Retirement System | 19,300 | $3.74M | 0.07% | −500−2.5% | Reduced |
| Arlington Partners LLC | 19,214 | $3.72M | 1.46% | +4,902+34.3% | Added |
| Empowered Funds, LLC | 18,908 | $3.67M | 0.06% | +15,506+455.8% | Added |
| Bank of Nova Scotia | 18,637 | $3.61M | 0.01% | +3,485+23.0% | Added |
| Aviva PLC | 18,532 | $3.59M | 0.01% | +258+1.4% | Added |
| Ilmarinen Mutual Pension Insurance Co | 18,000 | $3.49M | 0.04% | 00.0% | Unchanged |
| Engineers Gate Manager LP | 17,992 | $3.49M | 0.07% | +17,992 | New |
| Fort Washington Investment Advisors Inc | 17,814 | $3.45M | 0.02% | 00.0% | Unchanged |
| FORA Capital, LLC | 17,700 | $3.43M | 0.40% | +17,700 | New |
| Walleye Trading LLC | 17,102 | $3.32M | 0.08% | +3,263+23.6% | Added |
| Campbell & CO Investment Adviser LLC | 16,919 | $3.28M | 0.24% | +14,123+505.1% | Added |
| Meitav Dash Investments Ltd | 16,852 | $3.27M | 0.05% | 00.0% | Unchanged |
| PDT Partners, LLC | 16,497 | $3.20M | 0.28% | +9,997+153.8% | Added |
| Groupama Asset Managment | 20,522 | $3.19M | 0.08% | +7,812+61.5% | Added |
| M&T Bank Corp | 16,233 | $3.15M | 0.01% | −863−5.0% | Reduced |
| Auxier Asset Management | 16,182 | $3.14M | 0.46% | −38−0.2% | Reduced |
| Clark Estates Inc | 16,150 | $3.13M | 0.58% | +16,150 | New |
| Oversea-Chinese Banking CORP Ltd | 15,742 | $3.05M | 0.09% | +3,145+25.0% | Added |
| NEOS Investment Management LLC | 14,884 | $2.89M | 0.09% | +1,893+14.6% | Added |
| iA Global Asset Management Inc. | 14,848 | $2.88M | 0.05% | +545+3.8% | Added |
| Synovus Financial Corp | 14,462 | $2.80M | 0.03% | +821+6.0% | Added |
| Parallax Volatility Advisers, L.P. | 14,388 | $2.79M | 0.07% | +122+0.9% | Added |
| Gabelli Funds LLC | 14,100 | $2.73M | 0.02% | −300−2.1% | Reduced |
| Mackenzie Financial Corp | 14,087 | $2.73M | 0.00% | −11,577−45.1% | Reduced |
| Leo Wealth, LLC | 13,939 | $2.70M | 0.25% | −17−0.1% | Reduced |
| Alberta Investment Management Corp | 13,900 | $2.69M | 0.02% | +13,900 | New |
| Creative Planning | 13,774 | $2.67M | 0.00% | −4,500−24.6% | Reduced |
| Janney Montgomery Scott LLC | 13,539 | $2.63M | 0.01% | −1,387−9.3% | Reduced |
| Old North State Wealth Management, LLC | 13,533 | $2.62M | 1.47% | +100+0.7% | Added |
| Raymond James Financial Services Advisors, Inc. | 13,382 | $2.59M | 0.00% | −1,742−11.5% | Reduced |
| GTS Securities LLC | 13,294 | $2.58M | 0.05% | −624−4.5% | Reduced |
| Exome Asset Management LLC | 13,317 | $2.57M | 1.74% | +13,317 | New |
| Elo Mutual Pension Insurance Co | 12,884 | $2.50M | 0.05% | −189−1.4% | Reduced |
| Cetera Investment Advisers | 12,869 | $2.49M | 0.01% | −1,105−7.9% | Reduced |
| TownSquare Capital, LLC | 12,808 | $2.48M | 0.03% | −941−6.8% | Reduced |
| Leonteq Securities AG | 12,471 | $2.42M | 0.28% | +12,471 | New |
| Oregon Public Employees Retirement Fund | 12,436 | $2.41M | 0.05% | −60−0.5% | Reduced |
| Blair William & Co | 12,155 | $2.36M | 0.01% | −939−7.2% | Reduced |
| Rakuten Investment Management, Inc. | 11,566 | $2.25M | 0.01% | +2,917+33.7% | Added |
| Cairn Investment Group, Inc. | 11,516 | $2.23M | 1.23% | +366+3.3% | Added |
| Evoke Wealth, LLC | 11,456 | $2.22M | 0.06% | +7,916+223.6% | Added |
| Gulf International Bank (UK) Ltd | 11,438 | $2.22M | 0.06% | −511−4.3% | Reduced |
| North Growth Management Ltd. | 11,000 | $2.21M | 0.41% | 00.0% | Unchanged |
| HighTower Advisors, LLC | 11,432 | $2.20M | 0.00% | −2,335−17.0% | Reduced |