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 2021
Institutional positions in Biogen Inc. as of Jun 30, 2021. 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
- 1,107
- +26 vs. Q1 2021
- Shares held
- 126.1M
- −1.15M (−0.9%) vs. Q1 2021
- Total value
- $43.6B
- +$8.06B (+22.7%) vs. Q1 2021
- New holders
- 136
- 325 more added
- Sold out
- 110
- 469 more reduced
15 institutions that held it in Q1 2021 haven't filed for Q2 2021 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 2021: 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 2021
Shares, value and share of portfolio for each institution holding Biogen Inc.; share changes are against Q1 2021.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| MAI Capital Management | 1,236 | $428.0K | 0.01% | −1,890−60.5% | Reduced |
| Avalon Investment & Advisory | 1,239 | $429.0K | 0.01% | +29+2.4% | Added |
| Flagship Harbor Advisors, LLC | 1,242 | $430.0K | 0.05% | −239−16.1% | Reduced |
| Leonteq Securities AG | 1,247 | $431.8K | 0.03% | +1,247 | New |
| JNBA Financial Advisors | 1,251 | $433.0K | 0.06% | −185−12.9% | Reduced |
| SkyView Investment Advisors, LLC | 1,550 | $434.0K | 0.20% | 00.0% | Unchanged |
| Ameritas Investment Company, LLC | 766 | $435.0K | 0.02% | −1,296−62.9% | Reduced |
| Humankind Investments LLC | 1,266 | $438.0K | 0.21% | +425+50.5% | Added |
| Boston Private Wealth LLC | 1,271 | $440.0K | 0.01% | +71+5.9% | Added |
| Independent Advisor Alliance | 1,277 | $442.0K | 0.02% | −25−1.9% | Reduced |
| BBR Partners, LLC | 1,287 | $446.0K | 0.04% | −5−0.4% | Reduced |
| Quantitative Value Technologies, LLC | 1,294 | $448.0K | 0.74% | −16−1.2% | Reduced |
| Ballentine Partners, LLC | 1,313 | $454.0K | 0.02% | −97−6.9% | Reduced |
| Ancora Advisors, LLC | 1,348 | $467.0K | 0.01% | 00.0% | Unchanged |
| Private Trust Co NA | 1,358 | $470.0K | 0.07% | −302−18.2% | Reduced |
| Intrust Bank NA | 1,359 | $470.0K | 0.06% | −122−8.2% | Reduced |
| Qci Asset Management Inc | 1,359 | $471.0K | 0.03% | −67,439−98.0% | Reduced |
| Tokio Marine Asset Management Co Ltd | 1,362 | $472.0K | 0.04% | +279+25.8% | Added |
| Holocene Advisors, LP | 1,370 | $474.0K | 0.00% | +1,370 | New |
| Probity Advisors, Inc. | 1,377 | $477.0K | 0.10% | +50+3.8% | Added |
| Retirement Capital Strategies | 1,380 | $478.0K | 0.18% | 00.0% | Unchanged |
| Alexandria Capital, LLC | 1,382 | $479.0K | 0.04% | 00.0% | Unchanged |
| Transcend Wealth Collective, LLC | 1,387 | $480.0K | 0.07% | +1,387 | New |
| Diversified Trust Co | 1,389 | $481.0K | 0.02% | −131−8.6% | Reduced |
| ARS Wealth Advisors, LLC | 1,388 | $481.0K | 0.09% | +54+4.0% | Added |
| Eudaimonia Partners, LLC | 1,399 | $484.0K | 0.09% | +5+0.4% | Added |
| TCTC Holdings, LLC | 1,400 | $485.0K | 0.02% | +1,400 | New |
| Parkside Financial Bank & Trust | 1,415 | $490.0K | 0.14% | +12+0.9% | Added |
| Geneos Wealth Management Inc. | 1,409 | $491.0K | 0.02% | −2,179−60.7% | Reduced |
| Sentry Investment Management LLC | 1,426 | $494.0K | 0.13% | −237−14.3% | Reduced |
| Sippican Capital Advisors | 1,426 | $494.0K | 0.43% | +75+5.6% | Added |
| Carroll Financial Associates, Inc. | 1,427 | $494.0K | 0.03% | +211+17.4% | Added |
| Bowling Portfolio Management LLC | 1,437 | $498.0K | 0.11% | −5,595−79.6% | Reduced |
| Trust Asset Management LLC | 1,452 | $503.0K | 0.07% | +140+10.7% | Added |
| KB Financial Partners, LLC | 1,462 | $506.0K | 0.19% | +1,457+29,140.0% | Added |
| Platform Technology Partners | 1,486 | $515.0K | 0.21% | +1,486 | New |
| Tredje AP-fonden | 1,500 | $519.0K | 0.01% | −18,778−92.6% | Reduced |
| Supplemental Annuity Collective Trust of NJ | 1,500 | $519.0K | 0.17% | 00.0% | Unchanged |
| Avantax Advisory Services, Inc. | 1,527 | $528.0K | 0.01% | +1,527 | New |
| Twin Capital Management Inc | 1,529 | $529.0K | 0.05% | 00.0% | Unchanged |
| Pendal Group Limited | 1,538 | $533.0K | 0.00% | −11,805−88.5% | Reduced |
| Arkadios Wealth Advisors | 1,543 | $534.0K | 0.07% | +334+27.6% | Added |
| Clarius Group, LLC | 1,557 | $539.0K | 0.05% | −21−1.3% | Reduced |
| Crescent Grove Advisors, LLC | 1,556 | $539.0K | 0.06% | +56+3.7% | Added |
| Avidian Wealth Solutions, LLC | 1,556 | $539.0K | 0.04% | +155+11.1% | Added |
| Baystate Wealth Management LLC | 1,564 | $542.0K | 0.05% | −537−25.6% | Reduced |
| Analyst IMS Investment Management Services Ltd. | 1,572 | $544.0K | 0.07% | −680−30.2% | Reduced |
| Choate Investment Advisors | 1,576 | $546.0K | 0.03% | +420+36.3% | Added |
| Ieq Capital, LLC | 1,586 | $549.0K | 0.02% | +343+27.6% | Added |
| Jacobi Capital Management LLC | 1,587 | $550.0K | 0.07% | −240−13.1% | Reduced |
| Capital Wealth Planning, LLC | 1,598 | $553.0K | 0.02% | +164+11.4% | Added |
| Hotchkis & Wiley Capital Management LLC | 1,600 | $554.0K | 0.00% | −197,311−99.2% | Reduced |
| Systematic Financial Management LP | 1,600 | $554.0K | 0.02% | 00.0% | Unchanged |
| Kendall Capital Management | 1,625 | $563.0K | 0.32% | −50−3.0% | Reduced |
| Duff & Phelps Investment Management Co | 1,630 | $564.0K | 0.01% | −120−6.9% | Reduced |
| Indie Asset Partners, LLC | 1,629 | $564.0K | 0.46% | −50−3.0% | Reduced |
| Hillsdale Investment Management Inc. | 1,650 | $571.0K | 0.05% | +1,650 | New |
| McGuire Investment Group, LLC | 1,670 | $578.0K | 0.11% | −1,659−49.8% | Reduced |
| Columbia Asset Management | 1,680 | $582.0K | 0.13% | +1,680 | New |
| Arabesque Asset Management Ltd | 1,700 | $589.0K | 0.25% | +1,700 | New |
| Plancorp, LLC | 1,703 | $590.0K | 0.05% | +27+1.6% | Added |
| Cornell Pochily Investment Advisors, Inc. | 1,704 | $590.0K | 0.26% | +115+7.2% | Added |
| O'Neil Global Advisors, Inc. | 1,730 | $599.0K | 0.19% | +1,730 | New |
| IHT Wealth Management, LLC | 1,736 | $601.0K | 0.04% | +846+95.1% | Added |
| Kestra Private Wealth Services, LLC | 1,775 | $615.0K | 0.04% | −522−22.7% | Reduced |
| Heron Financial Group, LLC | 1,817 | $629.0K | 0.36% | 00.0% | Unchanged |
| CIBC Private Wealth Group, LLC | 1,824 | $632.0K | 0.00% | −15−0.8% | Reduced |
| Stratos Wealth Advisors, LLC | 1,824 | $632.0K | 0.06% | +429+30.8% | Added |
| CSS LLC | 1,832 | $634.0K | 0.03% | −9,289−83.5% | Reduced |
| Intersect Capital LLC | 1,839 | $637.0K | 0.11% | +375+25.6% | Added |
| Centiva Capital, LP | 1,872 | $648.0K | 0.05% | +1,872 | New |
| Seizert Capital Partners, LLC | 1,873 | $649.0K | 0.03% | −116,059−98.4% | Reduced |
| Avestar Capital, LLC | 1,880 | $651.0K | 0.13% | −116−5.8% | Reduced |
| Brookfield Asset Management Inc. | 1,885 | $653.0K | 0.00% | +1,885 | New |
| Factorial Partners, LLC | 1,900 | $658.0K | 0.44% | −7,300−79.3% | Reduced |
| Echo Street Capital Management LLC | 1,912 | $662.0K | 0.01% | −658−25.6% | Reduced |
| Fort, L.P. | 1,980 | $686.0K | 0.20% | −1,226−38.2% | Reduced |
| Icon Wealth Partners, LLC | 1,993 | $690.0K | 0.07% | −416−17.3% | Reduced |
| Gladstone Institutional Advisory LLC | 1,997 | $692.0K | 0.08% | +1,997 | New |
| Hennion & Walsh Asset Management, Inc. | 2,017 | $698.0K | 0.04% | −338−14.4% | Reduced |
| Steward Partners Investment Advisory, LLC | 2,051 | $710.0K | 0.01% | −718−25.9% | Reduced |
| Johnson Investment Counsel Inc | 2,063 | $714.0K | 0.01% | −47−2.2% | Reduced |
| Mitchell & Pahl Private Wealth, LLC | 2,067 | $716.0K | 0.51% | −19−0.9% | Reduced |
| Lumina Fund Management LLC | 2,100 | $727.0K | 0.35% | −1,000−32.3% | Reduced |
| Mercer Capital Advisers, Inc. | 2,100 | $727.0K | 0.36% | +1,500+250.0% | Added |
| Greenleaf Trust | 2,103 | $728.0K | 0.01% | −182−8.0% | Reduced |
| HBK Sorce Advisory LLC | 2,113 | $732.0K | 0.04% | +304+16.8% | Added |
| Forbes J M & Co LLP | 2,116 | $733.0K | 0.09% | −5−0.2% | Reduced |
| Heritage Wealth Advisors | 2,122 | $734.8K | 0.05% | −60−2.7% | Reduced |
| Flputnam Investment Management Co | 2,141 | $741.0K | 0.03% | +930+76.8% | Added |
| ETF Managers Group, LLC | 2,147 | $742.0K | 0.01% | +2,147 | New |
| Parallel Advisors, LLC | 2,170 | $751.0K | 0.03% | +197+10.0% | Added |
| First Hawaiian Bank | 2,174 | $753.0K | 0.03% | +223+11.4% | Added |
| Absher Wealth Management, LLC | 2,177 | $754.0K | 0.13% | +233+12.0% | Added |
| Regal Investment Advisors LLC | 2,188 | $758.0K | 0.08% | +2,188 | New |
| Ethic Inc. | 2,199 | $761.0K | 0.09% | −170−7.2% | Reduced |
| Baker Tilly Wealth Management, LLC | 2,230 | $772.0K | 0.12% | +259+13.1% | Added |
| Ritholtz Wealth Management | 2,239 | $775.0K | 0.06% | +702+45.7% | Added |
| Cape Ann Savings Bank | 2,249 | $778.0K | 0.49% | −698−23.7% | Reduced |
| AMG National Trust Bank | 2,251 | $780.0K | 0.03% | +2,251 | New |