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 |
|---|---|---|---|---|---|
| Exane Asset Management | 5,000 | $969.2K | 0.78% | +5,000 | New |
| Brown Brothers Harriman & Co | 4,971 | $963.6K | 0.01% | −354−6.6% | Reduced |
| Wealth Enhancement Advisory Services, LLC | 4,939 | $957.3K | 0.00% | −1,183−19.3% | Reduced |
| Mediolanum International Funds Ltd | 4,893 | $950.9K | 0.01% | −241−4.7% | Reduced |
| Investment Management Corp of Ontario | 4,870 | $944.0K | 0.02% | +1,600+48.9% | Added |
| Lifeworks Advisors, LLC | 4,775 | $925.5K | 0.18% | −1,574−24.8% | Reduced |
| Fuller & Thaler Asset Management, Inc. | 4,735 | $917.8K | 0.00% | +805+20.5% | Added |
| Systematic Financial Management LP | 4,670 | $905.2K | 0.02% | 00.0% | Unchanged |
| Walleye Capital LLC | 4,653 | $901.9K | 0.01% | −42,642−90.2% | Reduced |
| Provident Co of the Employees of the Hebrew University LTD | 4,643 | $900.0K | 1.01% | 00.0% | Unchanged |
| Missouri Trust & Investment Co | 4,642 | $899.8K | 0.31% | +760+19.6% | Added |
| Northwestern Mutual Investment Management Company, LLC | 4,616 | $894.8K | 0.02% | −18−0.4% | Reduced |
| Lindenwold Advisors | 4,605 | $892.6K | 0.45% | +55+1.2% | Added |
| Mangrove Partners | 4,582 | $888.2K | 0.09% | +4,582 | New |
| Ramsay, Stattman, Vela & Price, Inc. | 4,545 | $881.0K | 0.16% | −3,000−39.8% | Reduced |
| Diversify Advisory Services, LLC | 4,719 | $877.3K | 0.05% | +4,719 | New |
| Howard Capital Management Inc. | 4,449 | $862.4K | 0.01% | +4,449 | New |
| Annis Gardner Whiting Capital Advisors, LLC | 4,436 | $859.9K | 0.24% | −595−11.8% | Reduced |
| Gsa Capital Partners LLP | 4,407 | $854.0K | 0.06% | +1,359+44.6% | Added |
| Hills Bank & Trust Co | 4,363 | $845.7K | 0.06% | +13+0.3% | Added |
| Kentucky Retirement Systems Insurance Trust Fund | 4,313 | $836.0K | 0.06% | −383−8.2% | Reduced |
| Twin Tree Management, LP | 4,296 | $832.7K | 0.02% | +2,559+147.3% | Added |
| Los Angeles Capital Management LLC | 4,282 | $830.0K | 0.00% | +4,282 | New |
| Tokio Marine Asset Management Co Ltd | 4,272 | $828.1K | 0.04% | +754+21.4% | Added |
| Citizens & Northern Corp | 4,222 | $818.4K | 0.25% | −130−3.0% | Reduced |
| Siemens Fonds Invest GmbH | 5,520 | $815.6K | 0.06% | −874−13.7% | Reduced |
| Kovitz Investment Group Partners, LLC | 5,270 | $800.2K | 0.01% | +1,638+45.1% | Added |
| EP Wealth Advisors, LLC | 4,090 | $792.8K | 0.01% | +4,090 | New |
| Shell Asset Management Co | 4,055 | $786.0K | 0.03% | +4,055 | New |
| Ieq Capital, LLC | 4,020 | $779.2K | 0.01% | +278+7.4% | Added |
| Farmers & Merchants Investments Inc | 4,006 | $776.5K | 0.02% | −10.0% | Reduced |
| Enterprise Bank & Trust Co | 4,002 | $775.7K | 0.25% | −569−12.4% | Reduced |
| Cohen Klingenstein LLC | 4,000 | $775.4K | 0.03% | 00.0% | Unchanged |
| Texas Yale Capital Corp. | 3,987 | $772.8K | 0.03% | 00.0% | Unchanged |
| Sumitomo Life Insurance Co | 3,906 | $757.1K | 0.01% | +162+4.3% | Added |
| Marex Group plc | 3,867 | $749.6K | 0.02% | +2,568+197.7% | Added |
| V-Square Quantitative Management LLC | 3,835 | $743.4K | 0.11% | +261+7.3% | Added |
| Advisory Services Network, LLC | 3,206 | $743.2K | 0.02% | 00.0% | Unchanged |
| Eisler Capital (UK) Ltd. | 3,766 | $730.0K | 0.17% | +3,766 | New |
| Savant Capital, LLC | 3,756 | $728.1K | 0.01% | +1,342+55.6% | Added |
| Roberts Glore & Co Inc | 3,684 | $714.1K | 0.21% | +240+7.0% | Added |
| SG Americas Securities, LLC | 3,675 | $712.0K | 0.00% | −36,515−90.9% | Reduced |
| United Bank | 3,636 | $704.8K | 0.33% | −126−3.3% | Reduced |
| Jones Financial Companies LLLP | 3,619 | $704.5K | 0.00% | +2,120+141.4% | Added |
| South Dakota Investment Council | 3,613 | $700.0K | 0.01% | 00.0% | Unchanged |
| Cornerstone Advisors, LLC | 3,600 | $697.8K | 0.03% | 00.0% | Unchanged |
| Kennedy Capital Management, Inc. | 3,580 | $693.9K | 0.02% | +642+21.9% | Added |
| O'Shaughnessy Asset Management, LLC | 3,596 | $688.9K | 0.01% | −1,236−25.6% | Reduced |
| Uncommon Cents Investing LLC | 3,540 | $686.2K | 0.19% | −1,330−27.3% | Reduced |
| Atria Investments LLC | 3,538 | $685.8K | 0.01% | −827−18.9% | Reduced |
| Wahed Invest LLC | 3,536 | $685.4K | 0.12% | +289+8.9% | Added |
| Ironwood Financial, llc | 3,535 | $685.2K | 0.14% | −79−2.2% | Reduced |
| Aigen Investment Management, LP | 3,520 | $682.3K | 0.13% | +3,520 | New |
| Deerfield Management Company, L.P. (Series C) | 3,504 | $679.2K | 0.01% | +2,573+276.4% | Added |
| Tiaa Trust, National Association | 3,467 | $672.0K | 0.00% | −563−14.0% | Reduced |
| Richwood Investment Advisors, LLC | 3,432 | $665.3K | 0.55% | −422−10.9% | Reduced |
| Oxford Asset Management LLP | 3,388 | $656.7K | 0.55% | +3,388 | New |
| Fifth Third Bancorp | 3,359 | $651.1K | 0.00% | −177−5.0% | Reduced |
| Concurrent Investment Advisors, LLC | 3,340 | $647.4K | 0.02% | −46−1.4% | Reduced |
| Bridgeway Capital Management, LLC | 3,300 | $639.7K | 0.01% | +1,300+65.0% | Added |
| CWM, LLC | 3,285 | $637.0K | 0.00% | −480−12.7% | Reduced |
| Envestnet Portfolio Solutions, Inc. | 3,275 | $634.8K | 0.00% | −238−6.8% | Reduced |
| Investment House LLC | 3,269 | $633.7K | 0.03% | 00.0% | Unchanged |
| MQS Management LLC | 3,256 | $631.1K | 0.35% | +3,256 | New |
| Mutual Advisors, LLC | 3,420 | $628.8K | 0.02% | −110−3.1% | Reduced |
| Bridgefront Capital, LLC | 3,243 | $628.6K | 0.24% | +3,243 | New |
| Fiduciary Trust Co | 3,234 | $626.9K | 0.01% | +631+24.2% | Added |
| Sanctuary Advisors, LLC | 3,965 | $626.1K | 0.00% | −2,016−33.7% | Reduced |
| Great Valley Advisor Group, Inc. | 3,229 | $625.9K | 0.02% | −260−7.5% | Reduced |
| Cambridge Investment Research Advisors, Inc. | 3,207 | $622.0K | 0.00% | −172−5.1% | Reduced |
| Stratos Wealth Partners, LTD. | 3,196 | $619.5K | 0.01% | −299−8.6% | Reduced |
| Autumn Glory Partners, LLC | 3,184 | $617.2K | 0.24% | 00.0% | Unchanged |
| Wealthfront Advisers LLC | 3,152 | $611.0K | 0.00% | −371−10.5% | Reduced |
| CAPROCK Group, Inc. | 3,118 | $604.4K | 0.02% | +437+16.3% | Added |
| Quantinno Capital Management LP | 3,069 | $595.0K | 0.01% | −5,172−62.8% | Reduced |
| Wetherby Asset Management Inc | 3,045 | $590.2K | 0.03% | −1,514−33.2% | Reduced |
| Horizon Kinetics Asset Management LLC | 3,040 | $589.3K | 0.01% | −81−2.6% | Reduced |
| Forum Financial Management, LP | 3,008 | $583.1K | 0.01% | +10.0% | Added |
| Raymond James Trust N.A. | 2,993 | $580.2K | 0.01% | +80+2.7% | Added |
| Klingenstein Fields & Co LP | 2,956 | $573.0K | 0.02% | −100−3.3% | Reduced |
| KCM Investment Advisors LLC | 2,944 | $570.7K | 0.02% | 00.0% | Unchanged |
| Cim Investment Mangement Inc | 2,877 | $557.7K | 0.16% | −52−1.8% | Reduced |
| Massachusetts Wealth Management | 2,875 | $557.3K | 0.35% | −25−0.9% | Reduced |
| Portside Wealth Group, LLC | 2,848 | $552.1K | 0.09% | +51+1.8% | Added |
| Northwest Bank & Trust Co | 2,821 | $546.8K | 0.42% | −9−0.3% | Reduced |
| Jacobi Capital Management LLC | 2,815 | $545.7K | 0.04% | +959+51.7% | Added |
| Focus Financial Network, Inc. | 2,802 | $543.1K | 0.02% | +14+0.5% | Added |
| Dark Forest Capital Management LP | 2,797 | $542.2K | 0.07% | +2,797 | New |
| Everence Capital Management Inc | 2,790 | $541.0K | 0.03% | −2,210−44.2% | Reduced |
| Fernwood Investment Management, LLC | 2,760 | $535.0K | 0.17% | −120−4.2% | Reduced |
| Ocean Capital Management, LLC | 2,694 | $522.2K | 0.12% | +2,694 | New |
| Bessemer Group Inc | 2,692 | $522.0K | 0.00% | −639−19.2% | Reduced |
| Bellevue Group AG | 2,634 | $510.6K | 0.01% | −3,268−55.4% | Reduced |
| Park Avenue Securities LLC | 2,630 | $510.0K | 0.01% | +101+4.0% | Added |
| Eagle Global Advisors LLC | 2,625 | $508.8K | 0.03% | 00.0% | Unchanged |
| ARGA Investment Management, LP | 2,622 | $508.2K | 0.02% | 00.0% | Unchanged |
| Greenleaf Trust | 2,606 | $505.1K | 0.00% | −3,475−57.1% | Reduced |
| Hunter Associates Investment Management LLC | 2,600 | $504.0K | 0.08% | 00.0% | Unchanged |
| Moran Wealth Management, LLC | 2,592 | $502.4K | 0.02% | −45−1.7% | Reduced |
| Sherbrooke Park Advisers LLC | 2,550 | $494.3K | 0.11% | +2,550 | New |