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 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
- 1,047
- +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
- 297 more reduced
10 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 | 1,047 | $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 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 |
|---|---|---|---|---|---|
| LRI Investments, LLC | 514 | $111.0K | 0.01% | +181+54.4% | Added |
| Ronald Blue Trust, Inc. | 507 | $109.6K | 0.00% | −53−9.5% | Reduced |
| Encore Global Management, LP | 500 | $108.0K | 0.11% | 00.0% | Unchanged |
| Capital Analysts, LLC | 501 | $108.0K | 0.00% | 00.0% | Unchanged |
| Curat Global, LLC | 503 | $106.9K | 0.09% | 00.0% | Unchanged |
| Wealth Enhancement Trust Services, Inc. | 468 | $101.1K | 0.01% | +88+23.2% | Added |
| Pflug Koory, LLC | 464 | $100.3K | 0.04% | 00.0% | Unchanged |
| Paradigm Asset Management Co LLC | 455 | $98.3K | 0.02% | 00.0% | Unchanged |
| Lavaca Capital LLC | 447 | $96.6K | 0.01% | 00.0% | Unchanged |
| Armstrong Advisory Group, Inc | 443 | $95.7K | 0.01% | +443 | New |
| First Horizon Corp | 438 | $94.6K | 0.00% | +257+142.0% | Added |
| Richardson Financial Services Inc. | 437 | $94.4K | 0.05% | 00.0% | Unchanged |
| JNBA Financial Advisors | 422 | $91.2K | 0.01% | −174−29.2% | Reduced |
| Key Financial Inc | 406 | $87.7K | 0.01% | 00.0% | Unchanged |
| Onefund, LLC | 403 | $87.1K | 0.05% | 00.0% | Unchanged |
| Trust Co of Vermont | 389 | $84.0K | 0.00% | +389 | New |
| Greykasell Wealth Strategies, Inc. | 385 | $83.2K | 0.03% | 00.0% | Unchanged |
| Caldwell Trust Co | 383 | $82.8K | 0.01% | 00.0% | Unchanged |
| MCF Advisors LLC | 381 | $82.3K | 0.00% | +35+10.1% | Added |
| True Wealth Design, LLC | 365 | $78.9K | 0.02% | +60+19.7% | Added |
| Zions Bancorporation, National Association | 361 | $78.0K | 0.00% | +15+4.3% | Added |
| Cary Street Partner Investment Advisory LLC | 353 | $76.3K | 0.02% | +69+24.3% | Added |
| Prestige Wealth Management Group LLC | 350 | $75.6K | 0.01% | +4+1.2% | Added |
| ORG Wealth Partners, LLC | 349 | $75.4K | 0.01% | 00.0% | Unchanged |
| Itau Unibanco Holding S.A. | 348 | $75.2K | 0.00% | −1−0.3% | Reduced |
| Bellevue Group AG | 338 | $73.0K | 0.00% | −3,315−90.7% | Reduced |
| Institute for Wealth Management, LLC. | 326 | $70.5K | 0.01% | +326 | New |
| Harbour Investments, Inc. | 325 | $70.2K | 0.00% | +5+1.6% | Added |
| City State Bank | 322 | $69.6K | 0.02% | 00.0% | Unchanged |
| Fortitude Family Office, LLC | 315 | $68.1K | 0.01% | +246+356.5% | Added |
| Vanguard National Trust Co | 308 | $66.5K | 0.00% | −36−10.5% | Reduced |
| Continuum Advisory, LLC | 304 | $65.7K | 0.01% | +304 | New |
| 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 |
| CoreFirst Bank & Trust | 295 | $63.7K | 0.03% | 00.0% | Unchanged |
| Covestor Ltd | 292 | $63.0K | 0.04% | −1−0.3% | Reduced |
| Trust Co | 291 | $62.9K | 0.01% | 00.0% | Unchanged |
| Keating Financial Advisory Services, Inc. | 268 | $57.9K | 0.01% | +40+17.5% | Added |
| Aberdeen Wealth Management LLC | 265 | $57.3K | 0.03% | +265 | New |
| Golden State Wealth Management, LLC | 260 | $56.2K | 0.01% | 00.0% | Unchanged |
| Aventura Private Wealth, LLC | 255 | $55.1K | 0.02% | −5−1.9% | Reduced |
| WPG Advisers, LLC | 236 | $51.0K | 0.03% | +47+24.9% | Added |
| Capital Advisors, Ltd. LLC | 232 | $50.0K | 0.01% | 00.0% | Unchanged |
| GW&K Investment Management, LLC | 229 | $49.0K | 0.00% | −10−4.2% | Reduced |
| ZRC Wealth Management, LLC | 223 | $48.2K | 0.01% | +19+9.3% | Added |
| Bogart Wealth, LLC | 220 | $47.5K | 0.00% | +5+2.3% | Added |
| Highline Wealth Partners LLC | 219 | $47.3K | 0.01% | +62+39.5% | Added |
| Cassaday & Co Wealth Management LLC | 218 | $47.1K | 0.00% | 00.0% | Unchanged |
| SHP Wealth Management | 213 | $46.0K | 0.00% | −29−12.0% | Reduced |
| Private Trust Co NA | 209 | $45.2K | 0.00% | +9+4.5% | Added |
| Smithfield Trust Co | 206 | $45.0K | 0.00% | 00.0% | Unchanged |
| WealthCollab, LLC | 200 | $43.2K | 0.02% | −6−2.9% | Reduced |
| Strive Financial Group ,LLC | 200 | $43.2K | 0.02% | 00.0% | Unchanged |
| Vision Financial Markets LLC | 200 | $43.2K | 0.04% | 00.0% | Unchanged |
| GoalVest Advisory LLC | 198 | $42.8K | 0.01% | 00.0% | Unchanged |
| Quintet Private Bank (Europe) S.A. | 195 | $42.1K | 0.00% | 00.0% | Unchanged |
| First Command Advisory Services, Inc. | 195 | $42.1K | 0.00% | +128+191.0% | Added |
| Owl Creek Wealth Partners LLC | 190 | $41.1K | 0.01% | +5+2.7% | Added |
| Principia Wealth Advisory, LLC | 189 | $40.8K | 0.02% | +3+1.6% | Added |
| Ninety One UK Ltd | 188 | $40.6K | 0.00% | +188 | New |
| MV Capital Management, Inc. | 187 | $40.4K | 0.00% | +2+1.1% | Added |
| Central Trust Co | 171 | $36.9K | 0.00% | +8+4.9% | Added |
| Towarzystwo Funduszy Inwestycyjnych Pzu SA | 160 | $34.6K | 0.01% | 00.0% | Unchanged |
| Ogorek Anthony Joseph | 152 | $32.0K | 0.01% | 00.0% | Unchanged |
| Basecamp Wealth Advisors LLC | 144 | $31.1K | 0.01% | +41+39.8% | Added |
| NBT Bank N A | 138 | $29.8K | 0.00% | 00.0% | Unchanged |
| E Fund Management (Hong Kong) Co., Ltd. | 133 | $28.7K | 0.01% | +38+40.0% | Added |
| Bell Investment Advisors, Inc | 127 | $27.4K | 0.00% | +3+2.4% | Added |
| SJS Investment Consulting Inc. | 126 | $27.2K | 0.00% | +64+103.2% | Added |
| Ares Financial Consulting, LLC | 123 | $26.6K | 0.02% | 00.0% | Unchanged |
| Sittner & Nelson, LLC | 116 | $25.1K | 0.01% | +6+5.5% | Added |
| Atlantic Union Bankshares Corp | 115 | $24.8K | 0.00% | −2−1.7% | Reduced |
| Concord Wealth Partners | 114 | $24.6K | 0.00% | +114 | New |
| Raiffeisen Bank International AG | 113 | $24.5K | 0.00% | +8+7.6% | Added |
| UMA Financial Services, Inc. | 112 | $24.2K | 0.00% | +9+8.7% | Added |
| Bruce G. Allen Investments, LLC | 110 | $23.8K | 0.02% | 00.0% | Unchanged |
| High Note Wealth, LLC | 110 | $23.8K | 0.00% | +5+4.8% | Added |
| Global X Japan Co., Ltd. | 109 | $23.6K | 0.00% | +3+2.8% | Added |
| Strategic Wealth Partners, Ltd. | 107 | $23.1K | 0.00% | +2+1.9% | Added |
| Graney & King, LLC | 106 | $22.9K | 0.01% | 00.0% | Unchanged |
| Cullen/Frost Bankers, Inc. | 106 | $22.9K | 0.00% | +6+6.0% | Added |
| Quent Capital, LLC | 102 | $22.0K | 0.00% | +17+20.0% | Added |
| Merrithew & Thorsten Inc | 106 | $22.0K | 0.02% | 00.0% | Unchanged |
| Delta Asset Management LLC | 100 | $21.6K | 0.00% | 00.0% | Unchanged |
| Independence Bank of Kentucky | 100 | $21.6K | 0.00% | 00.0% | Unchanged |
| Broadwater Capital Management LLC | 100 | $21.6K | 0.02% | 00.0% | Unchanged |
| Transamerica Financial Advisors, Inc. | 99 | $21.4K | 0.00% | +49+98.0% | Added |
| Rossby Financial, LCC | 98 | $21.2K | 0.00% | +45+84.9% | Added |
| CKW Financial Group | 100 | $21.0K | 0.00% | 00.0% | Unchanged |
| Stephenson National Bank & Trust | 97 | $21.0K | 0.01% | −48−33.1% | Reduced |
| Sachetta, LLC | 97 | $21.0K | 0.01% | +27+38.6% | Added |
| Johnson Financial Group, Inc. | 95 | $20.5K | 0.00% | −55−36.7% | Reduced |
| Avion Wealth | 96 | $20.0K | 0.00% | +21+28.0% | Added |
| VSM Wealth Advisory, LLC | 92 | $19.9K | 0.01% | 00.0% | Unchanged |
| Perkins Coie Trust Co | 90 | $19.4K | 0.00% | +90 | New |
| Wall Street Access Asset Management, LLC | 88 | $19.0K | 0.00% | +88 | New |
| Grove Bank & Trust | 87 | $18.8K | 0.00% | −1−1.1% | Reduced |
| Action Point Financial Planning, LLC | 94 | $18.8K | 0.00% | +94 | New |
| Cornerstone Planning Group LLC | 93 | $18.4K | 0.00% | −2−2.1% | Reduced |
| Brown Shipley& Co Ltd | 85 | $18.4K | 0.01% | 00.0% | Unchanged |