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; 1,046 institutions reported holding it in 13F filings for Q2 2026, worth $30.7B in total; no superinvestor holds it.
13F holders, Q2 2026
Institutional positions in Biogen Inc. as of Jun 30, 2026. 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
- 1,046
- +42 vs. Q1 2026
- Shares held
- 142.3M
- +7.45M (+5.5%) vs. Q1 2026
- Total value
- $30.7B
- +$6.00B (+24.3%) vs. Q1 2026
- New holders
- 126
- 427 more added
- Sold out
- 84
- 296 more reduced
11 institutions that held it in Q1 2026 haven't filed for Q2 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 2026: 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 | 1,046 | $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 2026
Shares, value and share of portfolio for each institution holding Biogen Inc.; share changes are against Q1 2026.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Highline Wealth Partners LLC | 219 | $47.3K | 0.01% | +62+39.5% | Added |
| Bogart Wealth, LLC | 220 | $47.5K | 0.00% | +5+2.3% | Added |
| ZRC Wealth Management, LLC | 223 | $48.2K | 0.01% | +19+9.3% | Added |
| GW&K Investment Management, LLC | 229 | $49.0K | 0.00% | −10−4.2% | Reduced |
| Capital Advisors, Ltd. LLC | 232 | $50.0K | 0.01% | 00.0% | Unchanged |
| WPG Advisers, LLC | 236 | $51.0K | 0.03% | +47+24.9% | Added |
| Aventura Private Wealth, LLC | 255 | $55.1K | 0.02% | −5−1.9% | Reduced |
| Golden State Wealth Management, LLC | 260 | $56.2K | 0.01% | 00.0% | Unchanged |
| Aberdeen Wealth Management LLC | 265 | $57.3K | 0.03% | +265 | New |
| Keating Financial Advisory Services, Inc. | 268 | $57.9K | 0.01% | +40+17.5% | Added |
| Trust Co | 291 | $62.9K | 0.01% | 00.0% | Unchanged |
| Covestor Ltd | 292 | $63.0K | 0.04% | −1−0.3% | Reduced |
| CoreFirst Bank & Trust | 295 | $63.7K | 0.03% | 00.0% | Unchanged |
| Costello Asset Management, INC | 300 | $64.8K | 0.02% | 00.0% | Unchanged |
| Newbridge Financial Services Group, Inc. | 300 | $64.8K | 0.01% | 00.0% | Unchanged |
| Continuum Advisory, LLC | 304 | $65.7K | 0.01% | +304 | New |
| Vanguard National Trust Co | 308 | $66.5K | 0.00% | −36−10.5% | Reduced |
| Fortitude Family Office, LLC | 315 | $68.1K | 0.01% | +246+356.5% | Added |
| City State Bank | 322 | $69.6K | 0.02% | 00.0% | Unchanged |
| Harbour Investments, Inc. | 325 | $70.2K | 0.00% | +5+1.6% | Added |
| Institute for Wealth Management, LLC. | 326 | $70.5K | 0.01% | +326 | New |
| Bellevue Group AG | 338 | $73.0K | 0.00% | −3,315−90.7% | Reduced |
| Itau Unibanco Holding S.A. | 348 | $75.2K | 0.00% | −1−0.3% | Reduced |
| ORG Wealth Partners, LLC | 349 | $75.4K | 0.01% | 00.0% | Unchanged |
| Prestige Wealth Management Group LLC | 350 | $75.6K | 0.01% | +4+1.2% | Added |
| Cary Street Partner Investment Advisory LLC | 353 | $76.3K | 0.02% | +69+24.3% | Added |
| Zions Bancorporation, National Association | 361 | $78.0K | 0.00% | +15+4.3% | Added |
| True Wealth Design, LLC | 365 | $78.9K | 0.02% | +60+19.7% | Added |
| MCF Advisors LLC | 381 | $82.3K | 0.00% | +35+10.1% | Added |
| Caldwell Trust Co | 383 | $82.8K | 0.01% | 00.0% | Unchanged |
| Greykasell Wealth Strategies, Inc. | 385 | $83.2K | 0.03% | 00.0% | Unchanged |
| Trust Co of Vermont | 389 | $84.0K | 0.00% | +389 | New |
| Onefund, LLC | 403 | $87.1K | 0.05% | 00.0% | Unchanged |
| Key Financial Inc | 406 | $87.7K | 0.01% | 00.0% | Unchanged |
| JNBA Financial Advisors | 422 | $91.2K | 0.01% | −174−29.2% | Reduced |
| Richardson Financial Services Inc. | 437 | $94.4K | 0.05% | 00.0% | Unchanged |
| First Horizon Corp | 438 | $94.6K | 0.00% | +257+142.0% | Added |
| Armstrong Advisory Group, Inc | 443 | $95.7K | 0.01% | +443 | New |
| Lavaca Capital LLC | 447 | $96.6K | 0.01% | 00.0% | Unchanged |
| Paradigm Asset Management Co LLC | 455 | $98.3K | 0.02% | 00.0% | Unchanged |
| Pflug Koory, LLC | 464 | $100.3K | 0.04% | 00.0% | Unchanged |
| Wealth Enhancement Trust Services, Inc. | 468 | $101.1K | 0.01% | +88+23.2% | Added |
| Curat Global, LLC | 503 | $106.9K | 0.09% | 00.0% | Unchanged |
| Capital Analysts, LLC | 501 | $108.0K | 0.00% | 00.0% | Unchanged |
| Encore Global Management, LP | 500 | $108.0K | 0.11% | 00.0% | Unchanged |
| Ronald Blue Trust, Inc. | 507 | $109.6K | 0.00% | −53−9.5% | Reduced |
| LRI Investments, LLC | 514 | $111.0K | 0.01% | +181+54.4% | Added |
| Groupe la Francaise | 519 | $112.1K | 0.00% | +519 | New |
| Hanson & Doremus Investment Management | 525 | $113.0K | 0.01% | 00.0% | Unchanged |
| Cromwell Holdings LLC | 535 | $115.6K | 0.05% | +20+3.9% | Added |
| Alpine Bank Wealth Management | 545 | $117.8K | 0.02% | +545 | New |
| Walleye Capital LLC | 569 | $122.9K | 0.00% | −34,770−98.4% | Reduced |
| TIAA Wealth Investment Management LLC | 576 | $124.5K | 0.00% | −53−8.4% | Reduced |
| CVA Family Office, LLC | 592 | $127.9K | 0.01% | +11+1.9% | Added |
| Tidemark, LLC | 593 | $128.1K | 0.03% | 00.0% | Unchanged |
| Salem Investment Counselors Inc | 599 | $129.4K | 0.00% | +33+5.8% | Added |
| Bayforest Capital Ltd | 667 | $144.1K | 0.13% | +667 | New |
| TD Waterhouse Canada Inc. | 690 | $144.8K | 0.00% | −1−0.1% | Reduced |
| Wilkerson Advisory Group LLC | 672 | $145.2K | 0.04% | +79+13.3% | Added |
| Los Angeles Capital Management LLC | 674 | $145.6K | 0.00% | −34,684−98.1% | Reduced |
| Whittier Trust Co | 699 | $145.7K | 0.00% | 00.0% | Unchanged |
| Massmutual Trust Co FSB | 733 | $158.4K | 0.00% | −17−2.3% | Reduced |
| Deseret Mutual Benefit Administrators | 775 | $167.4K | 0.05% | −168−17.8% | Reduced |
| Eastern Bank | 796 | $172.0K | 0.00% | 00.0% | Unchanged |
| Centennial Bank | 800 | $172.8K | 0.06% | 00.0% | Unchanged |
| Pin Oak Investment Advisors Inc | 821 | $177.0K | 0.13% | +1+0.1% | Added |
| Sava Infond d.o.o. | 825 | $178.3K | 0.01% | 00.0% | Unchanged |
| CoreCap Advisors, LLC | 858 | $185.4K | 0.01% | +604+237.8% | Added |
| Legacy Bridge, LLC | 880 | $190.1K | 0.06% | 00.0% | Unchanged |
| Bryn Mawr Trust Co | 889 | $192.1K | 0.00% | +22+2.5% | Added |
| Manchester Capital Management LLC | 905 | $195.5K | 0.03% | +4+0.4% | Added |
| Acima Private Wealth, LLC | 916 | $197.9K | 0.06% | 00.0% | Unchanged |
| Nexus Investment Management ULC | 920 | $198.8K | 0.03% | 00.0% | Unchanged |
| Larson Financial Group LLC | 924 | $199.6K | 0.01% | +43+4.9% | Added |
| Mascoma Wealth Management LLC | 927 | $200.3K | 0.04% | 00.0% | Unchanged |
| Range Advisory, LLC | 929 | $200.7K | 0.02% | +929 | New |
| Mainsail Asset Management, LLC | 991 | $204.1K | 0.08% | +991 | New |
| Norden Group LLC | 945 | $204.2K | 0.02% | +945 | New |
| Supplemental Annuity Collective Trust of NJ | 947 | $204.6K | 0.05% | +947 | New |
| Sarissa Capital Management LP | 950 | $205.3K | 0.12% | +950 | New |
| Waters Parkerson & Co., LLC | 951 | $205.5K | 0.01% | +951 | New |
| Daymark Wealth Partners, LLC | 956 | $206.6K | 0.01% | +956 | New |
| Fiduciary Trust Co | 959 | $207.1K | 0.00% | +959 | New |
| Horizon Bancorp Inc | 973 | $210.0K | 0.10% | −44−4.3% | Reduced |
| Keynote Financial Services LLC | 977 | $211.1K | 0.10% | +977 | New |
| Abundance Wealth Counselors | 992 | $214.3K | 0.01% | +992 | New |
| Vantus Wealth LLC | 994 | $214.8K | 0.12% | +994 | New |
| Advyzon Investment Management, LLC | 1,000 | $216.1K | 0.02% | −129−11.4% | Reduced |
| Burns J W & Co Inc | 1,000 | $216.1K | 0.02% | +1,000 | New |
| J. L. Bainbridge & Co., Inc. | 1,000 | $216.1K | 0.02% | +1,000 | New |
| Corecam Pte. Ltd. | 1,000 | $216.1K | 0.08% | +1,000 | New |
| Advisors Capital Management, LLC | 1,020 | $220.4K | 0.00% | +1,020 | New |
| R2 Capital Strategies, LLC | 1,030 | $222.5K | 0.10% | +1,030 | New |
| Investors Asset Management of Georgia Inc | 1,032 | $223.0K | 0.08% | +1,032 | New |
| Pinnacle Wealth Planning Services, Inc. | 1,033 | $223.2K | 0.02% | +3+0.3% | Added |
| Mason & Associates Inc | 1,038 | $224.3K | 0.04% | +1,038 | New |
| Cladis Investment Advisory, LLC | 1,040 | $224.7K | 0.11% | +1,040 | New |
| Calamos Wealth Management LLC | 1,046 | $226.0K | 0.01% | +1,046 | New |
| Quotient Wealth Partners, LLC | 1,047 | $226.3K | 0.01% | −50−4.6% | Reduced |
| Sentinus, LLC | 1,052 | $227.3K | 0.02% | +1,052 | New |