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 |
|---|---|---|---|---|---|
| Israel Discount Bank of New York | 1,055 | $227.9K | 0.42% | +1,055 | New |
| Proathlete Wealth Management LLC | 1,060 | $229.0K | 0.06% | −884−45.5% | Reduced |
| May Hill Capital, LLC | 1,061 | $229.2K | 0.05% | +1,061 | New |
| Claret Asset Management Corp | 1,063 | $230.0K | 0.02% | −771−42.0% | Reduced |
| Moneta Group Investment Advisors LLC | 1,069 | $231.0K | 0.00% | +1,069 | New |
| Essex Financial Services, Inc. | 1,072 | $231.6K | 0.01% | +1,072 | New |
| Basepoint Wealth LLC | 1,074 | $231.9K | 0.13% | −104−8.8% | Reduced |
| Trust Point Inc. | 1,078 | $232.9K | 0.02% | +1,078 | New |
| EagleClaw Capital Managment, LLC | 1,079 | $233.1K | 0.03% | +1,079 | New |
| Eads & Heald Wealth Management | 1,081 | $233.6K | 0.11% | +1,081 | New |
| Global Retirement Partners, LLC | 1,085 | $234.4K | 0.00% | +1,085 | New |
| Stephens Inc | 1,086 | $234.6K | 0.00% | +1,086 | New |
| Western Wealth Management, LLC | 1,088 | $235.1K | 0.01% | −95−8.0% | Reduced |
| TRB Wealth Management, LLC | 1,097 | $237.0K | 0.03% | 00.0% | Unchanged |
| Lighthouse Financial LLC | 1,100 | $237.7K | 0.12% | −1−0.1% | Reduced |
| Bell Bank | 1,109 | $239.6K | 0.01% | 00.0% | Unchanged |
| New Age Alpha Advisors, LLC | 1,119 | $241.8K | 0.01% | 00.0% | Unchanged |
| Foundations Investment Advisors, LLC | 1,123 | $242.6K | 0.00% | +1,123 | New |
| Platform Technology Partners | 1,136 | $245.4K | 0.04% | −65−5.4% | Reduced |
| Probity Advisors, Inc. | 1,142 | $246.7K | 0.04% | +11+1.0% | Added |
| Bridgewater Advisors Inc. | 1,241 | $247.6K | 0.01% | +18+1.5% | Added |
| McMillan Office, Inc. | 1,150 | $248.5K | 0.03% | 00.0% | Unchanged |
| Diversified Trust Co | 1,154 | $249.3K | 0.00% | −112−8.8% | Reduced |
| LVW Advisors, LLC | 1,154 | $249.3K | 0.02% | −535−31.7% | Reduced |
| Investment House LLC | 1,155 | $249.5K | 0.01% | 00.0% | Unchanged |
| Aptus Capital Advisors, LLC | 1,156 | $249.8K | 0.00% | −132−10.2% | Reduced |
| Wedbush Securities Inc | 1,164 | $251.0K | 0.01% | +56+5.1% | Added |
| D.A. Davidson & Co. | 1,164 | $251.5K | 0.00% | −54−4.4% | Reduced |
| Kingsview Wealth Management, LLC | 1,171 | $253.0K | 0.00% | +15+1.3% | Added |
| Prosperity Consulting Group, LLC | 1,182 | $255.4K | 0.01% | +1,182 | New |
| Tower Research Capital LLC (TRC) | 1,184 | $255.8K | 0.01% | −975−45.2% | Reduced |
| Capstone Wealth Management, LLC | 1,185 | $256.0K | 0.12% | +1,185 | New |
| Sym Financial Corp | 1,186 | $256.2K | 0.02% | +36+3.1% | Added |
| Regions Financial Corp | 1,192 | $257.5K | 0.00% | +4+0.3% | Added |
| Johnson Investment Counsel Inc | 1,216 | $262.7K | 0.00% | −30−2.4% | Reduced |
| Clearstead Advisors, LLC | 1,217 | $262.9K | 0.00% | −1,306−51.8% | Reduced |
| Rehmann Capital Advisory Group | 1,236 | $267.1K | 0.01% | +71+6.1% | Added |
| Financial Symmetry Inc | 1,248 | $269.5K | 0.09% | 00.0% | Unchanged |
| MMBG Investment Advisors Co. | 1,248 | $269.6K | 0.02% | 00.0% | Unchanged |
| Fieldview Capital Management, LLC | 1,250 | $270.1K | 0.08% | −16,409−92.9% | Reduced |
| Northwest Wealth Management, LLC | 1,255 | $271.2K | 0.04% | +103+8.9% | Added |
| Financial Solutions Advisory Group, Inc. | 1,368 | $272.1K | 0.03% | −4−0.3% | Reduced |
| Independent Advisor Alliance | 1,261 | $272.5K | 0.01% | +75+6.3% | Added |
| Inceptionr LLC | 1,261 | $272.5K | 0.07% | −987−43.9% | Reduced |
| Ameritas Investment Partners, Inc. | 1,262 | $272.7K | 0.01% | −74−5.5% | Reduced |
| SageView Advisory Group, LLC | 1,263 | $272.9K | 0.01% | −2−0.2% | Reduced |
| Resources Investment Advisors, LLC. | 1,283 | $277.2K | 0.00% | +182+16.5% | Added |
| Soltis Investment Advisors LLC | 1,283 | $277.3K | 0.02% | +1,283 | New |
| Allegiance Financial Group Advisory Services LLC | 1,289 | $278.5K | 0.05% | +89+7.4% | Added |
| Valeo Financial Advisors, LLC | 1,301 | $281.1K | 0.01% | +1,301 | New |
| VestGen Advisors, LLC | 1,302 | $281.3K | 0.01% | −360−21.7% | Reduced |
| Clear Wave Wealth Management LLC | 1,304 | $281.7K | 0.06% | +24+1.9% | Added |
| PDS Planning, Inc | 1,310 | $283.0K | 0.02% | +16+1.2% | Added |
| Applied Finance Capital Management, LLC | 1,324 | $286.1K | 0.02% | −518−28.1% | Reduced |
| Livforsakringsbolaget Skandia, Omsesidigt | 1,330 | $287.3K | 0.01% | 00.0% | Unchanged |
| Noble Wealth Partners LLC | 1,340 | $289.5K | 0.25% | +1,340 | New |
| Cary Street Partners Financial LLC | 1,340 | $289.5K | 0.01% | −3−0.2% | Reduced |
| We Are One Seven, LLC | 1,347 | $291.0K | 0.00% | +38+2.9% | Added |
| Essential Partners LLC | 1,355 | $292.8K | 0.13% | −4,364−76.3% | Reduced |
| Integrated Advisors Network LLC | 1,355 | $292.8K | 0.01% | −412−23.3% | Reduced |
| Cigna Investments Inc | 1,395 | $301.0K | 0.04% | 00.0% | Unchanged |
| Keebeck Wealth Management, LLC | 1,395 | $301.4K | 0.03% | +1,395 | New |
| Polymer Capital Management (US) LLC | 1,404 | $303.3K | 0.04% | +1,404 | New |
| JMN Financial LLC | 1,411 | $304.9K | 0.24% | +1,411 | New |
| Verdence Capital Advisors LLC | 1,418 | $306.4K | 0.02% | +4+0.3% | Added |
| Miracle Mile Advisors, LLC | 1,421 | $307.1K | 0.00% | +44+3.2% | Added |
| IFG Advisory, LLC | 1,425 | $307.9K | 0.01% | +1,425 | New |
| Pure Financial Advisors, Inc. | 1,438 | $310.7K | 0.00% | −286−16.6% | Reduced |
| Rydar Equities, Inc. | 1,522 | $311.6K | 0.18% | +1,522 | New |
| Prasad Wealth Partners, LLC | 1,450 | $313.3K | 0.08% | 00.0% | Unchanged |
| Phoenix Holdings Ltd. | 1,457 | $314.8K | 0.00% | +86+6.3% | Added |
| NorthRock Partners, LLC | 1,467 | $317.0K | 0.00% | +15+1.0% | Added |
| SBI Securities Co., Ltd. | 1,471 | $317.8K | 0.01% | −84−5.4% | Reduced |
| Allegheny Financial Group LTD | 1,472 | $318.2K | 0.03% | +22+1.5% | Added |
| IFP Advisors, Inc | 1,479 | $319.6K | 0.01% | +328+28.5% | Added |
| MONECO Advisors, LLC | 1,480 | $319.8K | 0.02% | +44+3.1% | Added |
| D'Orazio & Associates, Inc. | 1,481 | $320.0K | 0.04% | −296−16.7% | Reduced |
| Boltwood Capital Management | 1,489 | $321.7K | 0.07% | +215+16.9% | Added |
| Umb Bank N A | 1,524 | $329.3K | 0.00% | −238−13.5% | Reduced |
| Berkshire Asset Management LLC | 1,534 | $331.4K | 0.01% | 00.0% | Unchanged |
| Versant Capital Management, Inc | 1,539 | $332.5K | 0.03% | +208+15.6% | Added |
| Alpha Family Trust | 1,540 | $332.7K | 0.13% | 00.0% | Unchanged |
| Poinciana Advisors Group, LLC | 1,541 | $332.9K | 0.25% | 00.0% | Unchanged |
| Dorsey & Whitney Trust CO LLC | 1,549 | $334.6K | 0.02% | +3+0.2% | Added |
| Allianz SE | 1,550 | $334.9K | 0.00% | +1,550 | New |
| Fulcrum Asset Management LLP | 1,546 | $334.9K | 0.03% | +1,546 | New |
| Kingswood Wealth Advisors, LLC | 1,562 | $337.5K | 0.01% | +80+5.4% | Added |
| Mather Group, LLC. | 1,588 | $343.1K | 0.00% | +54+3.5% | Added |
| One Wealth Advisors, LLC | 1,599 | $345.5K | 0.04% | −56−3.4% | Reduced |
| Turtle Creek Wealth Advisors, LLC | 1,599 | $345.5K | 0.02% | +53+3.4% | Added |
| Wealthspire Advisors, LLC | 1,607 | $347.2K | 0.00% | +398+32.9% | Added |
| Joel Isaacson & Co., LLC | 1,614 | $348.7K | 0.01% | 00.0% | Unchanged |
| Trust Asset Management LLC | 1,617 | $349.4K | 0.02% | 00.0% | Unchanged |
| Modern Wealth Management, LLC | 1,625 | $351.1K | 0.00% | +96+6.3% | Added |
| PFG Investments, LLC | 1,633 | $352.8K | 0.01% | +65+4.1% | Added |
| AE Wealth Management LLC | 1,633 | $352.9K | 0.00% | −34−2.0% | Reduced |
| Investors Research Corp | 1,641 | $354.6K | 0.06% | −209−11.3% | Reduced |
| Sumitomo Life Insurance Co | 1,648 | $356.1K | 0.01% | −24−1.4% | Reduced |
| Moors & Cabot, Inc. | 1,658 | $358.2K | 0.01% | +5+0.3% | Added |
| Principal Securities, Inc. | 1,661 | $358.9K | 0.00% | +241+17.0% | Added |