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 |
|---|---|---|---|---|---|
| Ellevest, Inc. | 1,651 | $207.3K | 0.03% | +1,651 | New |
| Sava Infond d.o.o. | 1,650 | $207.2K | 0.03% | 00.0% | Unchanged |
| Parkside Financial Bank & Trust | 1,647 | $206.8K | 0.02% | +216+15.1% | Added |
| Verdence Capital Advisors LLC | 1,627 | $204.3K | 0.01% | +3+0.2% | Added |
| Kennedy Investment Group | 1,615 | $202.8K | 0.09% | −58−3.5% | Reduced |
| Plancorp, LLC | 1,607 | $201.8K | 0.01% | +20+1.3% | Added |
| Lighthouse Financial LLC | 1,600 | $200.9K | 0.15% | 00.0% | Unchanged |
| Quantbot Technologies LP | 1,597 | $200.6K | 0.01% | −12,540−88.7% | Reduced |
| Optas, LLC | 1,594 | $200.2K | 0.04% | +1,594 | New |
| STF Management LP | 1,518 | $190.6K | 0.08% | +76+5.3% | Added |
| Employees Retirement System of Texas | 1,467 | $184.0K | 0.00% | +1,467 | New |
| Livforsakringsbolaget Skandia, Omsesidigt | 1,430 | $179.5K | 0.01% | 00.0% | Unchanged |
| Deseret Mutual Benefit Administrators | 1,388 | $174.3K | 0.08% | 00.0% | Unchanged |
| CX Institutional | 1,370 | $172.0K | 0.01% | +55+4.2% | Added |
| S-Bank Fund Management Ltd | 1,308 | $164.3K | 0.02% | −108−7.6% | Reduced |
| Hantz Financial Services, Inc. | 1,183 | $149.0K | 0.00% | +1,153+3,843.3% | Added |
| Whittier Trust Co | 1,176 | $147.7K | 0.00% | −12−1.0% | Reduced |
| New Age Alpha Advisors, LLC | 1,132 | $142.2K | 0.01% | +22+2.0% | Added |
| Ronald Blue Trust, Inc. | 1,107 | $139.0K | 0.00% | +522+89.2% | Added |
| CIBC Private Wealth Group, LLC | 1,100 | $138.1K | 0.00% | −62−5.3% | Reduced |
| IFP Advisors, Inc | 1,085 | $136.3K | 0.00% | +220+25.4% | Added |
| Storebrand Asset Management AS | 1,063 | $133.5K | 0.00% | −1,982−65.1% | Reduced |
| Trust Co of Vermont | 1,049 | $131.7K | 0.01% | 00.0% | Unchanged |
| Umb Bank N A | 1,029 | $129.2K | 0.00% | +557+118.0% | Added |
| Steward Partners Investment Advisory, LLC | 990 | $124.3K | 0.00% | −82−7.6% | Reduced |
| Farther Finance Advisors, LLC | 955 | $120.0K | 0.00% | −172−15.3% | Reduced |
| Mascoma Wealth Management LLC | 925 | $116.2K | 0.03% | −2−0.2% | Reduced |
| Nexus Investment Management ULC | 920 | $115.5K | 0.02% | 00.0% | Unchanged |
| Acima Private Wealth, LLC | 916 | $115.0K | 0.04% | 00.0% | Unchanged |
| TCTC Holdings, LLC | 900 | $113.0K | 0.00% | 00.0% | Unchanged |
| CoreFirst Bank & Trust | 894 | $112.3K | 0.06% | +894 | New |
| Pin Oak Investment Advisors Inc | 820 | $112.0K | 0.09% | 00.0% | Unchanged |
| Legacy Bridge, LLC | 880 | $110.5K | 0.05% | −61−6.5% | Reduced |
| Manchester Capital Management LLC | 874 | $109.8K | 0.01% | −24−2.7% | Reduced |
| Covestor Ltd | 859 | $108.0K | 0.06% | +217+33.8% | Added |
| Eastern Bank | 856 | $107.5K | 0.00% | 00.0% | Unchanged |
| TD Waterhouse Canada Inc. | 816 | $106.1K | 0.00% | −1,519−65.1% | Reduced |
| Raiffeisen Bank International AG | 822 | $104.5K | 0.00% | −749−47.7% | Reduced |
| Versant Capital Management, Inc | 830 | $104.2K | 0.02% | +459+123.7% | Added |
| BNP Paribas | 804 | $100.9K | 0.00% | −70−8.0% | Reduced |
| Centennial Bank | 800 | $100.5K | 0.04% | 00.0% | Unchanged |
| MAI Capital Management | 776 | $97.4K | 0.00% | +194+33.3% | Added |
| Principal Securities, Inc. | 704 | $88.4K | 0.00% | +367+108.9% | Added |
| GPS Wealth Strategies Group, LLC | 695 | $87.3K | 0.01% | −30−4.1% | Reduced |
| City State Bank | 692 | $86.9K | 0.03% | 00.0% | Unchanged |
| AlphaCore Capital LLC | 646 | $81.1K | 0.00% | +646 | New |
| GeoWealth Management, LLC | 643 | $80.8K | 0.00% | +643 | New |
| Ofi Invest Asset Management | 750 | $80.2K | 0.00% | +283+60.6% | Added |
| Horizon Bancorp Inc | 636 | $80.0K | 0.04% | +9+1.4% | Added |
| JNBA Financial Advisors | 626 | $78.6K | 0.01% | 00.0% | Unchanged |
| Massmutual Trust Co FSB | 617 | $77.5K | 0.00% | +107+21.0% | Added |
| Towarzystwo Funduszy Inwestycyjnych Pzu SA | 610 | $76.6K | 0.02% | −140−18.7% | Reduced |
| Ameritas Advisory Services, LLC | 609 | $76.5K | 0.00% | +609 | New |
| Tidemark, LLC | 592 | $74.3K | 0.02% | 00.0% | Unchanged |
| Sunbelt Securities, Inc. | 477 | $72.9K | 0.01% | +477 | New |
| Salem Investment Counselors Inc | 566 | $71.1K | 0.00% | −1−0.2% | Reduced |
| Alpine Bank Wealth Management | 545 | $68.4K | 0.01% | −350−39.1% | Reduced |
| Hanson & Doremus Investment Management | 525 | $66.0K | 0.01% | 00.0% | Unchanged |
| Larson Financial Group LLC | 517 | $64.9K | 0.00% | +436+538.3% | Added |
| Cromwell Holdings LLC | 511 | $64.2K | 0.04% | +501+5,010.0% | Added |
| Greykasell Wealth Strategies, Inc. | 505 | $63.4K | 0.03% | +307+155.1% | Added |
| Curat Global, LLC | 503 | $63.2K | 0.06% | 00.0% | Unchanged |
| Capital Analysts, LLC | 501 | $63.0K | 0.00% | 00.0% | Unchanged |
| Paradigm Asset Management Co LLC | 455 | $57.1K | 0.01% | 00.0% | Unchanged |
| Richardson Financial Services Inc. | 437 | $56.8K | 0.04% | 00.0% | Unchanged |
| Lavaca Capital LLC | 447 | $56.1K | 0.02% | +162+56.8% | Added |
| MUFG Securities EMEA plc | 431 | $54.1K | 0.00% | +431 | New |
| Key Financial Inc | 406 | $51.0K | 0.01% | 00.0% | Unchanged |
| Aventura Private Wealth, LLC | 402 | $50.5K | 0.02% | −138−25.6% | Reduced |
| Bellevue Group AG | 402 | $50.5K | 0.00% | 00.0% | Unchanged |
| Caldwell Trust Co | 401 | $50.4K | 0.01% | −253−38.7% | Reduced |
| CVA Family Office, LLC | 393 | $49.4K | 0.01% | +162+70.1% | Added |
| Onefund, LLC | 373 | $47.0K | 0.03% | +373 | New |
| Zions Bancorporation, National Association | 372 | $46.7K | 0.00% | +161+76.3% | Added |
| Armstrong Advisory Group, Inc | 356 | $44.7K | 0.00% | 00.0% | Unchanged |
| CoreCap Advisors, LLC | 349 | $43.8K | 0.00% | −3−0.9% | Reduced |
| FSA Wealth Management LLC | 344 | $43.2K | 0.02% | 00.0% | Unchanged |
| TD Private Client Wealth LLC | 338 | $42.4K | 0.00% | +326+2,716.7% | Added |
| Optimum Investment Advisors | 335 | $42.1K | 0.02% | 00.0% | Unchanged |
| SRS Capital Advisors, Inc. | 333 | $41.8K | 0.00% | +118+54.9% | Added |
| MCF Advisors LLC | 324 | $40.7K | 0.00% | 00.0% | Unchanged |
| Costello Asset Management, INC | 300 | $37.7K | 0.01% | 00.0% | Unchanged |
| Newbridge Financial Services Group, Inc. | 300 | $37.7K | 0.01% | 00.0% | Unchanged |
| Hopwood Financial Services, Inc. | 300 | $37.7K | 0.03% | 00.0% | Unchanged |
| Financial Gravity Companies, Inc. | 295 | $37.0K | 0.01% | +295 | New |
| NBT Bank N A | 284 | $35.7K | 0.00% | +35+14.1% | Added |
| Strategic Wealth Partners, Ltd. | 280 | $35.2K | 0.00% | +280 | New |
| Itau Unibanco Holding S.A. | 273 | $34.3K | 0.00% | −3−1.1% | Reduced |
| Golden State Wealth Management, LLC | 265 | $33.3K | 0.00% | 00.0% | Unchanged |
| GW&K Investment Management, LLC | 260 | $33.0K | 0.00% | +168+182.6% | Added |
| Quintet Private Bank (Europe) S.A. | 255 | $32.0K | 0.00% | −672−72.5% | Reduced |
| WFA of San Diego, LLC | 253 | $31.8K | 0.02% | +253 | New |
| Twin Lakes Capital Management, LLC | 250 | $31.4K | 0.02% | 00.0% | Unchanged |
| NewSquare Capital LLC | 244 | $30.6K | 0.00% | +140+134.6% | Added |
| Concord Wealth Partners | 228 | $28.6K | 0.00% | +114+100.0% | Added |
| Rothschild Investment LLC | 224 | $28.1K | 0.00% | +88+64.7% | Added |
| Pflug Koory, LLC | 214 | $26.9K | 0.01% | 00.0% | Unchanged |
| Bogart Wealth, LLC | 209 | $26.2K | 0.00% | 00.0% | Unchanged |
| Smartleaf Asset Management LLC | 202 | $25.5K | 0.00% | −125−38.2% | Reduced |
| Harbour Investments, Inc. | 201 | $25.2K | 0.00% | +6+3.1% | Added |