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 |
|---|---|---|---|---|---|
| Seeyond | 7,807 | $2.70M | 0.25% | +1,451+22.8% | Added |
| Horizon Investments, LLC | 7,853 | $2.72M | 0.08% | +5,551+241.1% | Added |
| Kinneret Advisory, LLC | 7,921 | $2.74M | 0.32% | 00.0% | Unchanged |
| Banque Cantonale Vaudoise | 7,966 | $2.76M | 0.12% | −1,110−12.2% | Reduced |
| Clark Estates Inc | 8,100 | $2.81M | 0.37% | −11,500−58.7% | Reduced |
| Optimal Asset Management, Inc. | 8,113 | $2.81M | 0.33% | 00.0% | Unchanged |
| Arlington Partners LLC | 8,270 | $2.86M | 0.99% | −43−0.5% | Reduced |
| Xponance, Inc. | 8,343 | $2.89M | 0.05% | −2,953−26.1% | Reduced |
| TownSquare Capital, LLC | 8,378 | $2.89M | 0.09% | +1,335+19.0% | Added |
| Pensionfund Sabic | 8,400 | $2.91M | 0.62% | +400+5.0% | Added |
| Gyon Technologies Capital Management, LP | 8,458 | $2.93M | 0.96% | +7,401+700.2% | Added |
| Whittier Trust Co of Nevada Inc | 8,560 | $2.96M | 0.12% | −536−5.9% | Reduced |
| Vestmark Advisory Solutions, Inc. | 8,670 | $3.00M | 0.21% | +257+3.1% | Added |
| Capital Financial Services, LLC | 8,680 | $3.01M | 3.82% | 00.0% | Unchanged |
| Crossmark Global Holdings, Inc. | 8,714 | $3.02M | 0.07% | −1,371−13.6% | Reduced |
| Kentucky Retirement Systems | 8,767 | $3.04M | 0.14% | −428−4.7% | Reduced |
| Arden Trust Co | 8,832 | $3.06M | 0.50% | +362+4.3% | Added |
| OPSEU Pension Plan Trust Fund | 8,799 | $3.07M | 0.79% | +3,280+59.4% | Added |
| Brinker Capital Investments, LLC | 8,880 | $3.08M | 0.04% | +409+4.8% | Added |
| Greatmark Investment Partners, Inc. | 9,125 | $3.16M | 0.57% | +2,780+43.8% | Added |
| Morningstar Investment Services LLC | 9,231 | $3.19M | 0.04% | −15,729−63.0% | Reduced |
| Commerce Bank | 9,419 | $3.26M | 0.02% | −19,584−67.5% | Reduced |
| AlphaCrest Capital Management LLC | 9,429 | $3.27M | 0.14% | −1,222−11.5% | Reduced |
| Aviance Capital Partners, LLC | 9,490 | $3.29M | 0.57% | −2,870−23.2% | Reduced |
| Sumitomo Mitsui DS Asset Management Company, Ltd | 9,617 | $3.33M | 0.08% | −48−0.5% | Reduced |
| Level Four Advisory Services, LLC | 9,625 | $3.33M | 0.23% | +614+6.8% | Added |
| Trexquant Investment LP | 9,833 | $3.40M | 0.29% | +9,833 | New |
| First Quadrant L P | 9,847 | $3.41M | 0.39% | −1,735−15.0% | Reduced |
| FORA Capital, LLC | 9,889 | $3.42M | 0.64% | +8,743+762.9% | Added |
| Varma Mutual Pension Insurance Co | 10,000 | $3.46M | 0.05% | +5,000+100.0% | Added |
| Fayez Sarofim & Co | 10,028 | $3.47M | 0.01% | 00.0% | Unchanged |
| Lipe & Dalton | 10,075 | $3.49M | 1.81% | −2,850−22.1% | Reduced |
| Hennessy Advisors Inc | 10,100 | $3.50M | 0.19% | +200+2.0% | Added |
| New Mexico Educational Retirement Board | 10,124 | $3.51M | 0.12% | +100+1.0% | Added |
| McKinley Capital Management LLC /Delaware | 10,220 | $3.54M | 0.25% | 00.0% | Unchanged |
| American Portfolios Advisors | 10,350 | $3.58M | 0.14% | +30.0% | Added |
| MML Investors Services, LLC | 10,470 | $3.63M | 0.03% | −1,854−15.0% | Reduced |
| IFP Advisors, Inc | 10,534 | $3.65M | 0.08% | +548+5.5% | Added |
| Guardian Investment Management | 10,665 | $3.69M | 2.53% | −100−0.9% | Reduced |
| Magnetar Financial LLC | 10,705 | $3.71M | 0.04% | +3,342+45.4% | Added |
| Wealthfront Advisers LLC | 10,773 | $3.73M | 0.02% | +1,572+17.1% | Added |
| Elo Mutual Pension Insurance Co | 10,809 | $3.74M | 0.12% | −292−2.6% | Reduced |
| B. Metzler seel. Sohn & Co. Holding AG | 10,880 | $3.77M | 0.06% | −5,193−32.3% | Reduced |
| Achmea Investment Management B.V. | 11,002 | $3.81M | 0.13% | −7,495−40.5% | Reduced |
| Cambria Investment Management, L.P. | 11,009 | $3.81M | 0.65% | +1,526+16.1% | Added |
| Distillate Capital Partners LLC | 11,045 | $3.83M | 1.06% | −1,429−11.5% | Reduced |
| Massmutual Trust Co FSB | 11,048 | $3.83M | 0.16% | −227−2.0% | Reduced |
| Maryland State Retirement & Pension System | 11,318 | $3.90M | 0.13% | −434−3.7% | Reduced |
| First Republic Investment Management, Inc. | 11,364 | $3.94M | 0.01% | −899−7.3% | Reduced |
| Blair William & Co | 11,388 | $3.94M | 0.01% | +1,072+10.4% | Added |
| Banco Bilbao Vizcaya Argentaria, S.A. | 12,611 | $3.95M | 0.07% | +308+2.5% | Added |
| Mariner, LLC | 11,459 | $3.97M | 0.02% | −452−3.8% | Reduced |
| Gifford Fong Associates | 11,500 | $3.98M | 0.77% | 00.0% | Unchanged |
| Bayesian Capital Management, LP | 11,500 | $3.98M | 1.04% | +11,500 | New |
| Teachers Retirement System of the State of Kentucky | 11,740 | $4.07M | 0.04% | −69,490−85.5% | Reduced |
| Pensionfund DSM Netherlands | 12,000 | $4.16M | 0.53% | 00.0% | Unchanged |
| American Assets Investment Management, LLC | 12,000 | $4.16M | 0.54% | 00.0% | Unchanged |
| Keybank National Association | 12,028 | $4.17M | 0.02% | +1,223+11.3% | Added |
| Birchview Capital, LP | 12,100 | $4.19M | 2.51% | 00.0% | Unchanged |
| Daiwa Securities Group Inc. | 12,244 | $4.24M | 0.03% | −4,667−27.6% | Reduced |
| Brown Advisory Inc | 12,344 | $4.28M | 0.01% | +3,953+47.1% | Added |
| Nippon Life Global Investors Americas, Inc. | 12,410 | $4.30M | 0.21% | +12,410 | New |
| Essex Investment Management Co LLC | 12,548 | $4.34M | 0.51% | −292−2.3% | Reduced |
| First National Bank of Omaha | 15,556 | $4.35M | 0.23% | 00.0% | Unchanged |
| Mengis Capital Management, Inc. | 12,650 | $4.38M | 0.91% | 00.0% | Unchanged |
| Twin Tree Management, LP | 12,777 | $4.42M | 0.13% | −86,648−87.1% | Reduced |
| SG Americas Securities, LLC | 12,844 | $4.45M | 0.02% | −17,157−57.2% | Reduced |
| 6 Meridian | 12,862 | $4.45M | 0.35% | −2,070−13.9% | Reduced |
| Schroder Investment Management Group | 12,886 | $4.46M | 0.01% | −3,946−23.4% | Reduced |
| Cardan Capital Partners, LLC | 12,898 | $4.47M | 0.50% | −257−2.0% | Reduced |
| Securian Asset Management, Inc | 12,986 | $4.50M | 0.09% | −274−2.1% | Reduced |
| Creative Planning | 12,993 | $4.50M | 0.01% | −12,580−49.2% | Reduced |
| HRT Financial LP | 13,039 | $4.51M | 0.04% | +13,039 | New |
| Parallax Volatility Advisers, L.P. | 13,235 | $4.58M | 0.06% | +12,993+5,369.0% | Added |
| Y-Intercept (Hong Kong) Ltd | 13,831 | $4.79M | 1.22% | +11,168+419.4% | Added |
| Federation des caisses Desjardins du Quebec | 13,891 | $4.81M | 0.05% | −3,404−19.7% | Reduced |
| MainStreet Investment Advisors LLC | 14,172 | $4.91M | 0.42% | −1,301−8.4% | Reduced |
| Norinchukin Bank, The | 14,187 | $4.91M | 0.07% | +26+0.2% | Added |
| Jupiter Asset Management Ltd | 14,323 | $4.96M | 0.05% | +14,323 | New |
| KMG Fiduciary Partners, LLC | 14,337 | $4.96M | 0.88% | −148−1.0% | Reduced |
| Kestra Advisory Services, LLC | 14,496 | $5.02M | 0.06% | +525+3.8% | Added |
| Court Place Advisors, LLC | 14,862 | $5.15M | 1.50% | −30−0.2% | Reduced |
| Banque Pictet & Cie SA | 14,924 | $5.17M | 0.06% | −492−3.2% | Reduced |
| Hudson Bay Capital Management LP | 15,000 | $5.19M | 0.07% | +15,000 | New |
| Murchinson Ltd. | 15,000 | $5.19M | 1.89% | +15,000 | New |
| Gabelli Funds LLC | 15,355 | $5.32M | 0.03% | +580+3.9% | Added |
| Raymond James Financial Services Advisors, Inc. | 15,424 | $5.34M | 0.01% | −4,175−21.3% | Reduced |
| Timber Creek Capital Management LLC | 15,447 | $5.35M | 1.73% | +3,026+24.4% | Added |
| Rockefeller Capital Management L.P. | 15,571 | $5.39M | 0.03% | −3,340−17.7% | Reduced |
| Kovitz Investment Group Partners, LLC | 15,619 | $5.41M | 0.11% | −438−2.7% | Reduced |
| Point72 Hong Kong Ltd | 15,680 | $5.43M | 0.38% | +15,680 | New |
| Cornerstone Advisors, LLC | 16,000 | $5.54M | 0.33% | +7,000+77.8% | Added |
| Segall Bryant & Hamill, LLC | 16,020 | $5.55M | 0.05% | −20−0.1% | Reduced |
| Connor, Clark & Lunn Investment Management Ltd. | 16,041 | $5.55M | 0.03% | −15,648−49.4% | Reduced |
| Dai-Ichi Life Insurance Company, Ltd | 16,401 | $5.68M | 0.07% | +3,848+30.7% | Added |
| Virtu Financial LLC | 16,426 | $5.69M | 0.55% | +16,426 | New |
| Jefferies Group LLC | 16,663 | $5.77M | 0.10% | −55,843−77.0% | Reduced |
| ICICI Prudential Asset Management Co Ltd | 16,978 | $5.88M | 2.21% | +1,439+9.3% | Added |
| Nissay Asset Management Corp | 17,057 | $5.91M | 0.05% | −1,510−8.1% | Reduced |
| Louisiana State Employees Retirement System | 17,200 | $5.96M | 0.14% | −100−0.6% | Reduced |