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 |
|---|---|---|---|---|---|
| Ameriflex Group, Inc. | 32 | $6.91K | 0.00% | +14+77.8% | Added |
| Planning Strategies Inc. | 32 | $6.91K | 0.00% | +32 | New |
| Rialto Wealth Management, LLC | 33 | $7.13K | 0.00% | +15+83.3% | Added |
| Clear Street Markets LLC | 34 | $7.35K | 0.00% | +10+41.7% | Added |
| Rosenberg Matthew Hamilton | 35 | $7.56K | 0.00% | 00.0% | Unchanged |
| Hughes Financial Services, LLC | 35 | $7.56K | 0.00% | +8+29.6% | Added |
| GHP Investment Advisors, Inc. | 35 | $7.56K | 0.00% | 00.0% | Unchanged |
| Meeder Asset Management Inc | 36 | $7.78K | 0.00% | −1,035−96.6% | Reduced |
| Activest Wealth Management | 36 | $7.78K | 0.00% | +21+140.0% | Added |
| Crewe Advisors LLC | 37 | $8.00K | 0.00% | +9+32.1% | Added |
| Ancora Advisors, LLC | 39 | $8.43K | 0.00% | −185−82.6% | Reduced |
| Prosperity Bancshares Inc | 40 | $8.64K | 0.01% | +4+11.1% | Added |
| Park Place Capital Corp | 40 | $8.64K | 0.00% | +7+21.2% | Added |
| DT Investment Partners, LLC | 42 | $9.07K | 0.00% | 00.0% | Unchanged |
| South State Corp. | 42 | $9.07K | 0.00% | +19+82.6% | Added |
| LifeSteps Financial, Inc. | 43 | $9.29K | 0.00% | +43 | New |
| Signature Equity Partners, LLC | 45 | $9.72K | 0.00% | +9+25.0% | Added |
| Anchor Investment Management, LLC | 47 | $10.2K | 0.00% | +7+17.5% | Added |
| NBC Securities, Inc. | 49 | $10.6K | 0.00% | 00.0% | Unchanged |
| Silver Grove Financial Group, Inc. | 49 | $10.6K | 0.01% | +49 | New |
| Kilter Group LLC | 50 | $10.8K | 0.00% | −2−3.8% | Reduced |
| Tradewinds Capital Management, LLC | 50 | $10.8K | 0.00% | 00.0% | Unchanged |
| Atlantic Trust, LLC | 50 | $10.8K | 0.00% | 00.0% | Unchanged |
| Millstone Evans Group, LLC | 50 | $10.8K | 0.01% | 00.0% | Unchanged |
| Synergy Investment Management, LLC | 52 | $11.2K | 0.00% | +1+2.0% | Added |
| Wedbush Fund Advisers, LLC | 54 | $11.7K | 0.00% | +54 | New |
| Salomon & Ludwin, LLC | 57 | $12.0K | 0.00% | 00.0% | Unchanged |
| Westfuller Advisors, LLC | 56 | $12.1K | 0.00% | −4−6.7% | Reduced |
| Raffa Wealth Management, LLC | 57 | $12.3K | 0.00% | +4+7.5% | Added |
| Spire Wealth Management | 61 | $13.2K | 0.00% | −35−36.5% | Reduced |
| Private Wealth Asset Management, LLC | 61 | $13.2K | 0.00% | 00.0% | Unchanged |
| Kemnay Advisory Services Inc. | 62 | $13.4K | 0.00% | +3+5.1% | Added |
| Allied Private Wealth LLC | 68 | $13.6K | 0.01% | +68 | New |
| First Community Trust NA | 65 | $14.0K | 0.01% | 00.0% | Unchanged |
| J.Safra Asset Management Corp | 67 | $14.5K | 0.00% | −15−18.3% | Reduced |
| Smallwood Wealth Investment Management, LLC | 70 | $15.1K | 0.01% | 00.0% | Unchanged |
| Bartlett & Co. Wealth Management LLC | 71 | $15.3K | 0.00% | +24+51.1% | Added |
| Private Wealth Management Group, LLC | 72 | $15.6K | 0.00% | +20+38.5% | Added |
| United Financial Planning Group LLC | 74 | $16.0K | 0.01% | 00.0% | Unchanged |
| JFS Wealth Advisors, LLC | 74 | $16.0K | 0.00% | +6+8.8% | Added |
| Cetera Trust Company, N.A | 75 | $16.2K | 0.01% | 00.0% | Unchanged |
| Adkins Seale Capital Management LLC | 75 | $16.2K | 0.01% | 00.0% | Unchanged |
| Adirondack Trust Co | 80 | $17.3K | 0.01% | 00.0% | Unchanged |
| Steigerwald, Gordon & Koch Inc. | 81 | $17.5K | 0.00% | 00.0% | Unchanged |
| Cornerstone Financial Management LLC | 82 | $17.7K | 0.01% | +34+70.8% | Added |
| Centerpoint Advisors, LLC | 83 | $18.0K | 0.01% | 00.0% | Unchanged |
| Asset Planning,Inc | 84 | $18.1K | 0.01% | 00.0% | Unchanged |
| Brown Shipley& Co Ltd | 85 | $18.4K | 0.01% | 00.0% | Unchanged |
| Cornerstone Planning Group LLC | 93 | $18.4K | 0.00% | −2−2.1% | Reduced |
| Action Point Financial Planning, LLC | 94 | $18.8K | 0.00% | +94 | New |
| Grove Bank & Trust | 87 | $18.8K | 0.00% | −1−1.1% | Reduced |
| Wall Street Access Asset Management, LLC | 88 | $19.0K | 0.00% | +88 | New |
| Perkins Coie Trust Co | 90 | $19.4K | 0.00% | +90 | New |
| VSM Wealth Advisory, LLC | 92 | $19.9K | 0.01% | 00.0% | Unchanged |
| Avion Wealth | 96 | $20.0K | 0.00% | +21+28.0% | Added |
| Johnson Financial Group, Inc. | 95 | $20.5K | 0.00% | −55−36.7% | Reduced |
| Stephenson National Bank & Trust | 97 | $21.0K | 0.01% | −48−33.1% | Reduced |
| Sachetta, LLC | 97 | $21.0K | 0.01% | +27+38.6% | Added |
| CKW Financial Group | 100 | $21.0K | 0.00% | 00.0% | Unchanged |
| Rossby Financial, LCC | 98 | $21.2K | 0.00% | +45+84.9% | Added |
| Transamerica Financial Advisors, Inc. | 99 | $21.4K | 0.00% | +49+98.0% | Added |
| 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 |
| Merrithew & Thorsten Inc | 106 | $22.0K | 0.02% | 00.0% | Unchanged |
| Quent Capital, LLC | 102 | $22.0K | 0.00% | +17+20.0% | 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 |
| Strategic Wealth Partners, Ltd. | 107 | $23.1K | 0.00% | +2+1.9% | Added |
| Global X Japan Co., Ltd. | 109 | $23.6K | 0.00% | +3+2.8% | 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 |
| UMA Financial Services, Inc. | 112 | $24.2K | 0.00% | +9+8.7% | Added |
| Raiffeisen Bank International AG | 113 | $24.5K | 0.00% | +8+7.6% | Added |
| Concord Wealth Partners | 114 | $24.6K | 0.00% | +114 | New |
| Atlantic Union Bankshares Corp | 115 | $24.8K | 0.00% | −2−1.7% | Reduced |
| Sittner & Nelson, LLC | 116 | $25.1K | 0.01% | +6+5.5% | Added |
| Ares Financial Consulting, LLC | 123 | $26.6K | 0.02% | 00.0% | Unchanged |
| SJS Investment Consulting Inc. | 126 | $27.2K | 0.00% | +64+103.2% | Added |
| Bell Investment Advisors, Inc | 127 | $27.4K | 0.00% | +3+2.4% | Added |
| E Fund Management (Hong Kong) Co., Ltd. | 133 | $28.7K | 0.01% | +38+40.0% | Added |
| NBT Bank N A | 138 | $29.8K | 0.00% | 00.0% | Unchanged |
| Basecamp Wealth Advisors LLC | 144 | $31.1K | 0.01% | +41+39.8% | Added |
| Ogorek Anthony Joseph | 152 | $32.0K | 0.01% | 00.0% | Unchanged |
| Towarzystwo Funduszy Inwestycyjnych Pzu SA | 160 | $34.6K | 0.01% | 00.0% | Unchanged |
| Central Trust Co | 171 | $36.9K | 0.00% | +8+4.9% | Added |
| MV Capital Management, Inc. | 187 | $40.4K | 0.00% | +2+1.1% | Added |
| Ninety One UK Ltd | 188 | $40.6K | 0.00% | +188 | New |
| Principia Wealth Advisory, LLC | 189 | $40.8K | 0.02% | +3+1.6% | Added |
| Owl Creek Wealth Partners LLC | 190 | $41.1K | 0.01% | +5+2.7% | Added |
| 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 |
| GoalVest Advisory LLC | 198 | $42.8K | 0.01% | 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 |
| Smithfield Trust Co | 206 | $45.0K | 0.00% | 00.0% | Unchanged |
| Private Trust Co NA | 209 | $45.2K | 0.00% | +9+4.5% | Added |
| SHP Wealth Management | 213 | $46.0K | 0.00% | −29−12.0% | Reduced |
| Cassaday & Co Wealth Management LLC | 218 | $47.1K | 0.00% | 00.0% | Unchanged |