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 |
|---|---|---|---|---|---|
| Advisory Services Network, LLC | 2,722 | $416.2K | 0.01% | −484−15.1% | Reduced |
| Klingenstein Fields & Co LP | 2,731 | $417.6K | 0.02% | −225−7.6% | Reduced |
| Massachusetts Wealth Management | 2,740 | $419.0K | 0.26% | −135−4.7% | Reduced |
| Atom Investors LP | 2,745 | $419.8K | 0.05% | +2,745 | New |
| Kennondale Capital Management LLC | 2,760 | $422.1K | 0.46% | +2,760 | New |
| Wetherby Asset Management Inc | 2,762 | $422.4K | 0.02% | −283−9.3% | Reduced |
| Focus Financial Network, Inc. | 2,782 | $425.4K | 0.02% | −20−0.7% | Reduced |
| Coldstream Capital Management Inc | 2,795 | $427.5K | 0.01% | +398+16.6% | Added |
| TownSquare Capital, LLC | 2,811 | $429.9K | 0.00% | −9,997−78.1% | Reduced |
| Advisor OS, LLC | 2,819 | $431.1K | 0.05% | +2,819 | New |
| Enterprise Bank & Trust Co | 2,864 | $438.0K | 0.14% | −1,138−28.4% | Reduced |
| Cim Investment Mangement Inc | 2,890 | $441.9K | 0.13% | +13+0.5% | Added |
| Citizens & Northern Corp | 2,894 | $442.6K | 0.12% | −1,328−31.5% | Reduced |
| Merit Financial Group, LLC | 2,931 | $448.2K | 0.01% | +2,931 | New |
| KCM Investment Advisors LLC | 2,944 | $450.2K | 0.02% | 00.0% | Unchanged |
| Great Valley Advisor Group, Inc. | 2,981 | $455.9K | 0.01% | −248−7.7% | Reduced |
| Northwest Bank & Trust Co | 2,855 | $458.5K | 0.34% | +34+1.2% | Added |
| Quarry LP | 3,005 | $459.5K | 0.09% | +3,005 | New |
| Humankind Investments LLC | 3,010 | $460.3K | 0.12% | +739+32.5% | Added |
| APG Asset Management US Inc. | 3,010 | $460.3K | 0.00% | +3,010 | New |
| Sequoia Financial Advisors, LLC | 3,026 | $462.7K | 0.00% | +729+31.7% | Added |
| ADAR1 Capital Management, LLC | 3,045 | $465.6K | 0.10% | −26,580−89.7% | Reduced |
| Qsemble Capital Management, LP | 3,061 | $468.1K | 0.06% | +1,446+89.5% | Added |
| Richwood Investment Advisors, LLC | 3,131 | $478.7K | 0.40% | −301−8.8% | Reduced |
| Stephens Inc | 3,145 | $480.9K | 0.01% | −2,270−41.9% | Reduced |
| Horizon Kinetics Asset Management LLC | 3,169 | $484.6K | 0.01% | +129+4.2% | Added |
| Acadian Asset Management LLC | 3,200 | $489.0K | 0.00% | +742+30.2% | Added |
| RDA Financial Network | 3,210 | $490.9K | 0.14% | +3,210 | New |
| Fifth Third Bancorp | 3,246 | $496.4K | 0.00% | −113−3.4% | Reduced |
| Investment House LLC | 3,269 | $499.9K | 0.03% | 00.0% | Unchanged |
| Prime Capital Investment Advisors, LLC | 3,274 | $500.7K | 0.01% | −1,805−35.5% | Reduced |
| Panagora Asset Management Inc | 3,319 | $507.5K | 0.00% | −6,827−67.3% | Reduced |
| Frank, Rimerman Advisors LLC | 3,337 | $510.3K | 0.04% | +3,337 | New |
| Tobam | 3,358 | $514.0K | 0.16% | −1,987−37.2% | Reduced |
| Cambridge Investment Research Advisors, Inc. | 3,439 | $526.0K | 0.00% | +232+7.2% | Added |
| Neuberger Berman Group LLC | 3,442 | $526.3K | 0.00% | −28,657−89.3% | Reduced |
| Uncommon Cents Investing LLC | 3,465 | $529.9K | 0.16% | −75−2.1% | Reduced |
| ARGA Investment Management, LP | 3,532 | $540.1K | 0.02% | +910+34.7% | Added |
| Ironwood Financial, llc | 3,535 | $540.6K | 0.11% | 00.0% | Unchanged |
| Roberts Glore & Co Inc | 3,536 | $540.7K | 0.16% | −148−4.0% | Reduced |
| Wedmont Private Capital | 3,670 | $546.2K | 0.03% | +2,392+187.2% | Added |
| Tiaa Trust, National Association | 3,575 | $546.7K | 0.00% | +108+3.1% | Added |
| Cornerstone Advisors, LLC | 3,600 | $550.5K | 0.02% | 00.0% | Unchanged |
| Phoenix Holdings Ltd. | 3,608 | $551.8K | 0.01% | +3,608 | New |
| South Dakota Investment Council | 3,613 | $552.0K | 0.01% | 00.0% | Unchanged |
| Virtu Financial LLC | 3,712 | $568.0K | 0.03% | −17,495−82.5% | Reduced |
| Wahed Invest LLC | 3,752 | $573.8K | 0.10% | +216+6.1% | Added |
| Colony Group, LLC | 3,778 | $577.8K | 0.00% | +1,061+39.1% | Added |
| Lifeworks Advisors, LLC | 3,796 | $580.6K | 0.10% | −979−20.5% | Reduced |
| Forum Financial Management, LP | 3,804 | $581.7K | 0.01% | +796+26.5% | Added |
| Sectoral Asset Management Inc | 3,852 | $589.0K | 0.39% | −2,175−36.1% | Reduced |
| Missouri Trust & Investment Co | 3,865 | $591.0K | 0.21% | −777−16.7% | Reduced |
| Kovitz Investment Group Partners, LLC | 3,898 | $596.2K | 0.00% | −1,372−26.0% | Reduced |
| GeoWealth Management, LLC | 3,903 | $596.8K | 0.02% | +1,986+103.6% | Added |
| Syon Capital LLC | 3,937 | $602.0K | 0.05% | +2,580+190.1% | Added |
| Jacobi Capital Management LLC | 3,947 | $603.6K | 0.05% | +1,132+40.2% | Added |
| Shell Asset Management Co | 3,952 | $604.0K | 0.03% | −103−2.5% | Reduced |
| Texas Yale Capital Corp. | 3,987 | $609.7K | 0.02% | 00.0% | Unchanged |
| Cohen Klingenstein LLC | 4,000 | $611.7K | 0.02% | 00.0% | Unchanged |
| Farmers & Merchants Investments Inc | 4,006 | $612.6K | 0.02% | 00.0% | Unchanged |
| V-Square Quantitative Management LLC | 4,015 | $614.0K | 0.09% | +180+4.7% | Added |
| Investment Management Corp of Ontario | 4,070 | $622.4K | 0.02% | −800−16.4% | Reduced |
| Motley Fool Asset Management LLC | 4,133 | $632.0K | 0.03% | −1,728−29.5% | Reduced |
| Savant Capital, LLC | 4,179 | $639.1K | 0.01% | +423+11.3% | Added |
| Crossmark Global Holdings, Inc. | 4,187 | $640.0K | 0.01% | −2,870−40.7% | Reduced |
| Oppenheimer & Co Inc | 4,224 | $645.9K | 0.01% | −1,826−30.2% | Reduced |
| Pinnacle Associates Ltd | 4,254 | $650.5K | 0.01% | −303−6.6% | Reduced |
| Tokio Marine Asset Management Co Ltd | 4,272 | $653.3K | 0.02% | 00.0% | Unchanged |
| Empowered Funds, LLC | 4,277 | $654.0K | 0.01% | −14,631−77.4% | Reduced |
| Allstate Corp | 4,298 | $657.3K | 0.02% | +4,298 | New |
| Siemens Fonds Invest GmbH | 4,420 | $663.8K | 0.07% | −1,100−19.9% | Reduced |
| Everence Capital Management Inc | 4,360 | $667.0K | 0.04% | +1,570+56.3% | Added |
| EP Wealth Advisors, LLC | 4,391 | $671.5K | 0.01% | +301+7.4% | Added |
| Kennedy Capital Management, Inc. | 4,395 | $672.1K | 0.01% | +815+22.8% | Added |
| Annis Gardner Whiting Capital Advisors, LLC | 4,409 | $674.2K | 0.19% | −27−0.6% | Reduced |
| Sig Brokerage, LP | 4,411 | $674.5K | 0.32% | +4,411 | New |
| Sherbrooke Park Advisers LLC | 4,464 | $682.6K | 0.22% | +1,914+75.1% | Added |
| Integrated Wealth Concepts LLC | 4,479 | $684.9K | 0.01% | +2,908+185.1% | Added |
| Hills Bank & Trust Co | 4,570 | $698.8K | 0.05% | +207+4.7% | Added |
| Howard Capital Management Inc. | 4,602 | $703.7K | 0.01% | +153+3.4% | Added |
| Hillsdale Investment Management Inc. | 4,610 | $705.0K | 0.04% | +4,610 | New |
| Brown Brothers Harriman & Co | 4,613 | $705.4K | 0.00% | −358−7.2% | Reduced |
| Northwestern Mutual Investment Management Company, LLC | 4,626 | $707.4K | 0.02% | +10+0.2% | Added |
| Systematic Financial Management LP | 4,670 | $714.1K | 0.02% | 00.0% | Unchanged |
| United Capital Financial Advisers, LLC | 4,874 | $745.4K | 0.01% | −82,501−94.4% | Reduced |
| Jones Financial Companies LLLP | 4,965 | $759.2K | 0.00% | +1,346+37.2% | Added |
| Empirical Finance, LLC | 5,015 | $766.9K | 0.04% | −55−1.1% | Reduced |
| Spears Abacus Advisors LLC | 5,055 | $773.0K | 0.02% | 00.0% | Unchanged |
| Greenleaf Trust | 5,065 | $774.5K | 0.01% | +2,459+94.4% | Added |
| Unison Advisors LLC | 5,078 | $776.5K | 0.09% | 00.0% | Unchanged |
| Northwestern Mutual Wealth Management Co | 5,355 | $818.9K | 0.00% | −1,314−19.7% | Reduced |
| Machina Capital S.A.S. | 5,605 | $857.1K | 0.36% | +461+9.0% | Added |
| North Star Investment Management Corp. | 5,622 | $859.7K | 0.06% | 00.0% | Unchanged |
| Pallas Capital Advisors LLC | 5,651 | $864.2K | 0.04% | +3,095+121.1% | Added |
| Court Place Advisors, LLC | 5,688 | $869.7K | 0.28% | −2,913−33.9% | Reduced |
| Gifford Fong Associates | 5,750 | $879.0K | 0.22% | 00.0% | Unchanged |
| Inceptionr LLC | 5,805 | $887.7K | 0.20% | −889−13.3% | Reduced |
| Private Advisor Group, LLC | 5,897 | $901.8K | 0.01% | −3,748−38.9% | Reduced |
| Omers Administration Corp | 6,044 | $924.2K | 0.01% | +1,015+20.2% | Added |
| Ameritas Investment Partners, Inc. | 6,056 | $926.1K | 0.03% | +141+2.4% | Added |