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, Q2 2025
Institutional positions in Biogen Inc. as of Jun 30, 2025. 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
- 867
- −3 vs. Q1 2025
- Shares held
- 130.1M
- +498.1K (+0.4%) vs. Q1 2025
- Total value
- $16.3B
- −$1.38B (−7.8%) vs. Q1 2025
- New holders
- 96
- 342 more added
- Sold out
- 99
- 263 more reduced
12 institutions that held it in Q1 2025 haven't filed for Q2 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 2025: 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, Q2 2025
Shares, value and share of portfolio for each institution holding Biogen Inc.; share changes are against Q1 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| MUFG Securities EMEA plc | 431 | $54.1K | 0.00% | +431 | New |
| Lavaca Capital LLC | 447 | $56.1K | 0.02% | +162+56.8% | Added |
| Richardson Financial Services Inc. | 437 | $56.8K | 0.04% | 00.0% | Unchanged |
| Paradigm Asset Management Co LLC | 455 | $57.1K | 0.01% | 00.0% | Unchanged |
| Capital Analysts, LLC | 501 | $63.0K | 0.00% | 00.0% | Unchanged |
| Curat Global, LLC | 503 | $63.2K | 0.06% | 00.0% | Unchanged |
| Greykasell Wealth Strategies, Inc. | 505 | $63.4K | 0.03% | +307+155.1% | Added |
| Cromwell Holdings LLC | 511 | $64.2K | 0.04% | +501+5,010.0% | Added |
| Larson Financial Group LLC | 517 | $64.9K | 0.00% | +436+538.3% | Added |
| Hanson & Doremus Investment Management | 525 | $66.0K | 0.01% | 00.0% | Unchanged |
| Alpine Bank Wealth Management | 545 | $68.4K | 0.01% | −350−39.1% | Reduced |
| Salem Investment Counselors Inc | 566 | $71.1K | 0.00% | −1−0.2% | Reduced |
| Sunbelt Securities, Inc. | 477 | $72.9K | 0.01% | +477 | New |
| Tidemark, LLC | 592 | $74.3K | 0.02% | 00.0% | Unchanged |
| Ameritas Advisory Services, LLC | 609 | $76.5K | 0.00% | +609 | New |
| Towarzystwo Funduszy Inwestycyjnych Pzu SA | 610 | $76.6K | 0.02% | −140−18.7% | Reduced |
| Massmutual Trust Co FSB | 617 | $77.5K | 0.00% | +107+21.0% | Added |
| JNBA Financial Advisors | 626 | $78.6K | 0.01% | 00.0% | Unchanged |
| Horizon Bancorp Inc | 636 | $80.0K | 0.04% | +9+1.4% | Added |
| Ofi Invest Asset Management | 750 | $80.2K | 0.00% | +283+60.6% | Added |
| GeoWealth Management, LLC | 643 | $80.8K | 0.00% | +643 | New |
| AlphaCore Capital LLC | 646 | $81.1K | 0.00% | +646 | New |
| City State Bank | 692 | $86.9K | 0.03% | 00.0% | Unchanged |
| GPS Wealth Strategies Group, LLC | 695 | $87.3K | 0.01% | −30−4.1% | Reduced |
| Principal Securities, Inc. | 704 | $88.4K | 0.00% | +367+108.9% | Added |
| MAI Capital Management | 776 | $97.4K | 0.00% | +194+33.3% | Added |
| Centennial Bank | 800 | $100.5K | 0.04% | 00.0% | Unchanged |
| BNP Paribas | 804 | $100.9K | 0.00% | −70−8.0% | Reduced |
| Versant Capital Management, Inc | 830 | $104.2K | 0.02% | +459+123.7% | Added |
| Raiffeisen Bank International AG | 822 | $104.5K | 0.00% | −749−47.7% | Reduced |
| TD Waterhouse Canada Inc. | 816 | $106.1K | 0.00% | −1,519−65.1% | Reduced |
| Eastern Bank | 856 | $107.5K | 0.00% | 00.0% | Unchanged |
| Covestor Ltd | 859 | $108.0K | 0.06% | +217+33.8% | Added |
| Manchester Capital Management LLC | 874 | $109.8K | 0.01% | −24−2.7% | Reduced |
| Legacy Bridge, LLC | 880 | $110.5K | 0.05% | −61−6.5% | Reduced |
| Pin Oak Investment Advisors Inc | 820 | $112.0K | 0.09% | 00.0% | Unchanged |
| CoreFirst Bank & Trust | 894 | $112.3K | 0.06% | +894 | New |
| TCTC Holdings, LLC | 900 | $113.0K | 0.00% | 00.0% | Unchanged |
| Acima Private Wealth, LLC | 916 | $115.0K | 0.04% | 00.0% | Unchanged |
| Nexus Investment Management ULC | 920 | $115.5K | 0.02% | 00.0% | Unchanged |
| Mascoma Wealth Management LLC | 925 | $116.2K | 0.03% | −2−0.2% | Reduced |
| Farther Finance Advisors, LLC | 955 | $120.0K | 0.00% | −172−15.3% | Reduced |
| Steward Partners Investment Advisory, LLC | 990 | $124.3K | 0.00% | −82−7.6% | Reduced |
| Umb Bank N A | 1,029 | $129.2K | 0.00% | +557+118.0% | Added |
| Trust Co of Vermont | 1,049 | $131.7K | 0.01% | 00.0% | Unchanged |
| Storebrand Asset Management AS | 1,063 | $133.5K | 0.00% | −1,982−65.1% | Reduced |
| IFP Advisors, Inc | 1,085 | $136.3K | 0.00% | +220+25.4% | Added |
| CIBC Private Wealth Group, LLC | 1,100 | $138.1K | 0.00% | −62−5.3% | Reduced |
| Ronald Blue Trust, Inc. | 1,107 | $139.0K | 0.00% | +522+89.2% | Added |
| New Age Alpha Advisors, LLC | 1,132 | $142.2K | 0.01% | +22+2.0% | Added |
| Whittier Trust Co | 1,176 | $147.7K | 0.00% | −12−1.0% | Reduced |
| Hantz Financial Services, Inc. | 1,183 | $149.0K | 0.00% | +1,153+3,843.3% | Added |
| S-Bank Fund Management Ltd | 1,308 | $164.3K | 0.02% | −108−7.6% | Reduced |
| CX Institutional | 1,370 | $172.0K | 0.01% | +55+4.2% | Added |
| Deseret Mutual Benefit Administrators | 1,388 | $174.3K | 0.08% | 00.0% | Unchanged |
| Livforsakringsbolaget Skandia, Omsesidigt | 1,430 | $179.5K | 0.01% | 00.0% | Unchanged |
| Employees Retirement System of Texas | 1,467 | $184.0K | 0.00% | +1,467 | New |
| STF Management LP | 1,518 | $190.6K | 0.08% | +76+5.3% | Added |
| Optas, LLC | 1,594 | $200.2K | 0.04% | +1,594 | New |
| Quantbot Technologies LP | 1,597 | $200.6K | 0.01% | −12,540−88.7% | Reduced |
| Lighthouse Financial LLC | 1,600 | $200.9K | 0.15% | 00.0% | Unchanged |
| Plancorp, LLC | 1,607 | $201.8K | 0.01% | +20+1.3% | Added |
| Kennedy Investment Group | 1,615 | $202.8K | 0.09% | −58−3.5% | Reduced |
| Verdence Capital Advisors LLC | 1,627 | $204.3K | 0.01% | +3+0.2% | Added |
| Parkside Financial Bank & Trust | 1,647 | $206.8K | 0.02% | +216+15.1% | Added |
| Sava Infond d.o.o. | 1,650 | $207.2K | 0.03% | 00.0% | Unchanged |
| Ellevest, Inc. | 1,651 | $207.3K | 0.03% | +1,651 | New |
| Sumitomo Life Insurance Co | 1,656 | $208.0K | 0.01% | −55−3.2% | Reduced |
| Kathmere Capital Management, LLC | 1,663 | $208.9K | 0.02% | +1,663 | New |
| RSM US Wealth Management LLC | 1,671 | $209.9K | 0.00% | +1,671 | New |
| Trust Asset Management LLC | 1,675 | $210.4K | 0.02% | 00.0% | Unchanged |
| Assetmark, Inc | 1,681 | $211.1K | 0.00% | +1,586+1,669.5% | Added |
| Clearstead Advisors, LLC | 1,683 | $211.4K | 0.00% | +490+41.1% | Added |
| Sivia Capital Partners, LLC | 1,717 | $215.6K | 0.07% | +1,717 | New |
| MBB Public Markets I LLC | 1,729 | $217.1K | 0.02% | −421−19.6% | Reduced |
| Investment House LLC | 1,730 | $217.3K | 0.01% | −1,489−46.3% | Reduced |
| Advisory Services Network, LLC | 1,724 | $220.7K | 0.00% | −344−16.6% | Reduced |
| Hancock Whitney Corp | 1,761 | $221.2K | 0.00% | +81+4.8% | Added |
| Capital Performance Advisors LLP | 1,779 | $223.4K | 0.04% | +284+19.0% | Added |
| Citizens Financial Group Inc | 1,791 | $225.0K | 0.00% | +1,791 | New |
| Valeo Financial Advisors, LLC | 1,794 | $225.3K | 0.01% | +1,794 | New |
| Perpetual Ltd | 1,797 | $225.7K | 0.00% | 00.0% | Unchanged |
| Atomi Financial Group, Inc. | 1,800 | $226.1K | 0.01% | +1,800 | New |
| Rock Point Advisors, LLC | 1,840 | $231.1K | 0.07% | 00.0% | Unchanged |
| Trail Ridge Investment Advisors, LLC | 1,807 | $231.3K | 0.11% | 00.0% | Unchanged |
| Peapack Gladstone Financial Corp | 1,846 | $232.0K | 0.00% | +3+0.2% | Added |
| Investors Research Corp | 1,850 | $232.3K | 0.05% | +1,850 | New |
| Mission Wealth Management, LP | 1,856 | $233.1K | 0.01% | +6+0.3% | Added |
| Cidel Asset Management Inc | 1,862 | $233.8K | 0.01% | +190+11.4% | Added |
| Claret Asset Management Corp | 1,864 | $234.0K | 0.03% | +1,864 | New |
| Mutual Advisors, LLC | 1,780 | $234.1K | 0.01% | +1,780 | New |
| Forbes J M & Co LLP | 1,869 | $234.7K | 0.02% | 00.0% | Unchanged |
| Flputnam Investment Management Co | 1,890 | $237.4K | 0.00% | −190−9.1% | Reduced |
| Stratos Wealth Partners, LTD. | 1,896 | $238.1K | 0.00% | −340−15.2% | Reduced |
| Claro Advisors LLC | 1,902 | $238.9K | 0.04% | −975−33.9% | Reduced |
| Traub Capital Management LLC | 1,910 | $239.9K | 0.22% | +1,910 | New |
| Evergreen Capital Management LLC | 1,932 | $242.6K | 0.01% | −1,110−36.5% | Reduced |
| Bryn Mawr Trust Co | 1,935 | $243.0K | 0.00% | +1,129+140.1% | Added |
| Atria Investments LLC | 1,940 | $243.6K | 0.00% | +243+14.3% | Added |
| HighPoint Advisor Group LLC | 1,946 | $244.4K | 0.01% | +210+12.1% | Added |