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 |
|---|---|---|---|---|---|
| Ilmarinen Mutual Pension Insurance Co | 18,000 | $6.23M | 0.07% | 00.0% | Unchanged |
| Bridgewater Associates, LP | 17,856 | $6.18M | 0.04% | +9,459+112.6% | Added |
| Cardinal Capital Management | 17,555 | $6.08M | 1.28% | +193+1.1% | Added |
| First Horizon Advisors, Inc. | 17,486 | $6.05M | 0.33% | −187−1.1% | Reduced |
| Fifth Third Bancorp | 17,347 | $6.01M | 0.03% | −4,217−19.6% | Reduced |
| Louisiana State Employees Retirement System | 17,200 | $5.96M | 0.14% | −100−0.6% | Reduced |
| Nissay Asset Management Corp | 17,057 | $5.91M | 0.05% | −1,510−8.1% | Reduced |
| ICICI Prudential Asset Management Co Ltd | 16,978 | $5.88M | 2.21% | +1,439+9.3% | Added |
| Jefferies Group LLC | 16,663 | $5.77M | 0.10% | −55,843−77.0% | Reduced |
| Virtu Financial LLC | 16,426 | $5.69M | 0.55% | +16,426 | New |
| Dai-Ichi Life Insurance Company, Ltd | 16,401 | $5.68M | 0.07% | +3,848+30.7% | Added |
| Connor, Clark & Lunn Investment Management Ltd. | 16,041 | $5.55M | 0.03% | −15,648−49.4% | Reduced |
| Segall Bryant & Hamill, LLC | 16,020 | $5.55M | 0.05% | −20−0.1% | Reduced |
| Cornerstone Advisors, LLC | 16,000 | $5.54M | 0.33% | +7,000+77.8% | Added |
| Point72 Hong Kong Ltd | 15,680 | $5.43M | 0.38% | +15,680 | New |
| Kovitz Investment Group Partners, LLC | 15,619 | $5.41M | 0.11% | −438−2.7% | Reduced |
| Rockefeller Capital Management L.P. | 15,571 | $5.39M | 0.03% | −3,340−17.7% | Reduced |
| Timber Creek Capital Management LLC | 15,447 | $5.35M | 1.73% | +3,026+24.4% | Added |
| Raymond James Financial Services Advisors, Inc. | 15,424 | $5.34M | 0.01% | −4,175−21.3% | Reduced |
| Gabelli Funds LLC | 15,355 | $5.32M | 0.03% | +580+3.9% | Added |
| 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 |
| Banque Pictet & Cie SA | 14,924 | $5.17M | 0.06% | −492−3.2% | Reduced |
| Court Place Advisors, LLC | 14,862 | $5.15M | 1.50% | −30−0.2% | Reduced |
| Kestra Advisory Services, LLC | 14,496 | $5.02M | 0.06% | +525+3.8% | Added |
| KMG Fiduciary Partners, LLC | 14,337 | $4.96M | 0.88% | −148−1.0% | Reduced |
| Jupiter Asset Management Ltd | 14,323 | $4.96M | 0.05% | +14,323 | New |
| Norinchukin Bank, The | 14,187 | $4.91M | 0.07% | +26+0.2% | Added |
| MainStreet Investment Advisors LLC | 14,172 | $4.91M | 0.42% | −1,301−8.4% | Reduced |
| Federation des caisses Desjardins du Quebec | 13,891 | $4.81M | 0.05% | −3,404−19.7% | Reduced |
| Y-Intercept (Hong Kong) Ltd | 13,831 | $4.79M | 1.22% | +11,168+419.4% | Added |
| Parallax Volatility Advisers, L.P. | 13,235 | $4.58M | 0.06% | +12,993+5,369.0% | Added |
| HRT Financial LP | 13,039 | $4.51M | 0.04% | +13,039 | New |
| Creative Planning | 12,993 | $4.50M | 0.01% | −12,580−49.2% | Reduced |
| Securian Asset Management, Inc | 12,986 | $4.50M | 0.09% | −274−2.1% | Reduced |
| Cardan Capital Partners, LLC | 12,898 | $4.47M | 0.50% | −257−2.0% | Reduced |
| Schroder Investment Management Group | 12,886 | $4.46M | 0.01% | −3,946−23.4% | Reduced |
| 6 Meridian | 12,862 | $4.45M | 0.35% | −2,070−13.9% | Reduced |
| SG Americas Securities, LLC | 12,844 | $4.45M | 0.02% | −17,157−57.2% | Reduced |
| Twin Tree Management, LP | 12,777 | $4.42M | 0.13% | −86,648−87.1% | Reduced |
| Mengis Capital Management, Inc. | 12,650 | $4.38M | 0.91% | 00.0% | Unchanged |
| First National Bank of Omaha | 15,556 | $4.35M | 0.23% | 00.0% | Unchanged |
| Essex Investment Management Co LLC | 12,548 | $4.34M | 0.51% | −292−2.3% | Reduced |
| Nippon Life Global Investors Americas, Inc. | 12,410 | $4.30M | 0.21% | +12,410 | New |
| Brown Advisory Inc | 12,344 | $4.28M | 0.01% | +3,953+47.1% | Added |
| Daiwa Securities Group Inc. | 12,244 | $4.24M | 0.03% | −4,667−27.6% | Reduced |
| Birchview Capital, LP | 12,100 | $4.19M | 2.51% | 00.0% | Unchanged |
| Keybank National Association | 12,028 | $4.17M | 0.02% | +1,223+11.3% | Added |
| 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 |
| Teachers Retirement System of the State of Kentucky | 11,740 | $4.07M | 0.04% | −69,490−85.5% | 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 |
| Mariner, LLC | 11,459 | $3.97M | 0.02% | −452−3.8% | Reduced |
| Banco Bilbao Vizcaya Argentaria, S.A. | 12,611 | $3.95M | 0.07% | +308+2.5% | Added |
| Blair William & Co | 11,388 | $3.94M | 0.01% | +1,072+10.4% | Added |
| First Republic Investment Management, Inc. | 11,364 | $3.94M | 0.01% | −899−7.3% | Reduced |
| Maryland State Retirement & Pension System | 11,318 | $3.90M | 0.13% | −434−3.7% | Reduced |
| Massmutual Trust Co FSB | 11,048 | $3.83M | 0.16% | −227−2.0% | Reduced |
| Distillate Capital Partners LLC | 11,045 | $3.83M | 1.06% | −1,429−11.5% | Reduced |
| Cambria Investment Management, L.P. | 11,009 | $3.81M | 0.65% | +1,526+16.1% | Added |
| Achmea Investment Management B.V. | 11,002 | $3.81M | 0.13% | −7,495−40.5% | Reduced |
| B. Metzler seel. Sohn & Co. Holding AG | 10,880 | $3.77M | 0.06% | −5,193−32.3% | Reduced |
| Elo Mutual Pension Insurance Co | 10,809 | $3.74M | 0.12% | −292−2.6% | Reduced |
| Wealthfront Advisers LLC | 10,773 | $3.73M | 0.02% | +1,572+17.1% | Added |
| Magnetar Financial LLC | 10,705 | $3.71M | 0.04% | +3,342+45.4% | Added |
| Guardian Investment Management | 10,665 | $3.69M | 2.53% | −100−0.9% | Reduced |
| IFP Advisors, Inc | 10,534 | $3.65M | 0.08% | +548+5.5% | Added |
| MML Investors Services, LLC | 10,470 | $3.63M | 0.03% | −1,854−15.0% | Reduced |
| American Portfolios Advisors | 10,350 | $3.58M | 0.14% | +30.0% | Added |
| McKinley Capital Management LLC /Delaware | 10,220 | $3.54M | 0.25% | 00.0% | Unchanged |
| New Mexico Educational Retirement Board | 10,124 | $3.51M | 0.12% | +100+1.0% | Added |
| Hennessy Advisors Inc | 10,100 | $3.50M | 0.19% | +200+2.0% | Added |
| Lipe & Dalton | 10,075 | $3.49M | 1.81% | −2,850−22.1% | Reduced |
| Fayez Sarofim & Co | 10,028 | $3.47M | 0.01% | 00.0% | Unchanged |
| Varma Mutual Pension Insurance Co | 10,000 | $3.46M | 0.05% | +5,000+100.0% | Added |
| FORA Capital, LLC | 9,889 | $3.42M | 0.64% | +8,743+762.9% | Added |
| First Quadrant L P | 9,847 | $3.41M | 0.39% | −1,735−15.0% | Reduced |
| Trexquant Investment LP | 9,833 | $3.40M | 0.29% | +9,833 | New |
| Level Four Advisory Services, LLC | 9,625 | $3.33M | 0.23% | +614+6.8% | Added |
| Sumitomo Mitsui DS Asset Management Company, Ltd | 9,617 | $3.33M | 0.08% | −48−0.5% | Reduced |
| Aviance Capital Partners, LLC | 9,490 | $3.29M | 0.57% | −2,870−23.2% | Reduced |
| AlphaCrest Capital Management LLC | 9,429 | $3.27M | 0.14% | −1,222−11.5% | Reduced |
| Commerce Bank | 9,419 | $3.26M | 0.02% | −19,584−67.5% | Reduced |
| Morningstar Investment Services LLC | 9,231 | $3.19M | 0.04% | −15,729−63.0% | Reduced |
| Greatmark Investment Partners, Inc. | 9,125 | $3.16M | 0.57% | +2,780+43.8% | Added |
| Brinker Capital Investments, LLC | 8,880 | $3.08M | 0.04% | +409+4.8% | Added |
| OPSEU Pension Plan Trust Fund | 8,799 | $3.07M | 0.79% | +3,280+59.4% | Added |
| Arden Trust Co | 8,832 | $3.06M | 0.50% | +362+4.3% | Added |
| Kentucky Retirement Systems | 8,767 | $3.04M | 0.14% | −428−4.7% | Reduced |
| Crossmark Global Holdings, Inc. | 8,714 | $3.02M | 0.07% | −1,371−13.6% | Reduced |
| Capital Financial Services, LLC | 8,680 | $3.01M | 3.82% | 00.0% | Unchanged |
| Vestmark Advisory Solutions, Inc. | 8,670 | $3.00M | 0.21% | +257+3.1% | Added |
| Whittier Trust Co of Nevada Inc | 8,560 | $2.96M | 0.12% | −536−5.9% | Reduced |
| Gyon Technologies Capital Management, LP | 8,458 | $2.93M | 0.96% | +7,401+700.2% | Added |
| Pensionfund Sabic | 8,400 | $2.91M | 0.62% | +400+5.0% | Added |
| 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 |
| Arlington Partners LLC | 8,270 | $2.86M | 0.99% | −43−0.5% | Reduced |
| Optimal Asset Management, Inc. | 8,113 | $2.81M | 0.33% | 00.0% | Unchanged |