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, Q3 2021
Institutional positions in Biogen Inc. as of Sep 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
- 1,044
- −50 vs. Q2 2021
- Shares held
- 123.8M
- −1.32M (−1.1%) vs. Q2 2021
- Total value
- $35.1B
- −$8.22B (−19.0%) vs. Q2 2021
- New holders
- 74
- 351 more added
- Sold out
- 124
- 398 more reduced
13 institutions that held it in Q2 2021 haven't filed for Q3 2021 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q2 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, Q3 2021
Shares, value and share of portfolio for each institution holding Biogen Inc.; share changes are against Q2 2021.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Richard Bernstein Advisors LLC | 5,594 | $1.58M | 0.03% | +430+8.3% | Added |
| Quantamental Technologies LLC | 5,607 | $1.59M | 1.06% | +5,607 | New |
| Evergreen Capital Management LLC | 5,722 | $1.62M | 0.07% | +117+2.1% | Added |
| Marshall Wace North America L.P. | 5,876 | $1.66M | 0.01% | −154,056−96.3% | Reduced |
| National Asset Management, Inc. | 5,764 | $1.66M | 0.05% | −267−4.4% | Reduced |
| Brown Brothers Harriman & Co | 5,894 | $1.67M | 0.01% | 00.0% | Unchanged |
| Sumitomo Life Insurance Co | 6,003 | $1.70M | 0.05% | −254−4.1% | Reduced |
| Roberts Glore & Co Inc | 6,019 | $1.70M | 0.52% | −20−0.3% | Reduced |
| Arabesque Asset Management Ltd | 6,017 | $1.70M | 0.57% | +4,317+253.9% | Added |
| American Research & Management Co. | 6,039 | $1.71M | 0.39% | −410−6.4% | Reduced |
| Mizuho Markets Cayman LP | 6,147 | $1.74M | 0.16% | +6,147 | New |
| Verition Fund Management LLC | 6,202 | $1.75M | 0.03% | +5,595+921.7% | Added |
| Oak Associates, Ltd | 6,305 | $1.78M | 0.10% | 00.0% | Unchanged |
| Essex LLC | 6,318 | $1.79M | 0.50% | +6,318 | New |
| Hudson Canyon Capital Management | 6,325 | $1.79M | 1.38% | 00.0% | Unchanged |
| Segantii Capital Management Ltd | 6,479 | $1.83M | 0.06% | 00.0% | Unchanged |
| People's United Financial, Inc. | 6,495 | $1.84M | 0.04% | −341−5.0% | Reduced |
| Mogy Joel R Investment Counsel Inc | 6,500 | $1.84M | 0.15% | 00.0% | Unchanged |
| Dowling & Yahnke LLC | 6,564 | $1.86M | 0.10% | −290−4.2% | Reduced |
| Captrust Financial Advisors | 6,599 | $1.87M | 0.02% | +557+9.2% | Added |
| Siemens Fonds Invest GmbH | 6,702 | $1.90M | 0.13% | +6,702 | New |
| High Note Wealth, LLC | 6,766 | $1.91M | 0.69% | +11+0.2% | Added |
| Regentatlantic Capital LLC | 6,798 | $1.92M | 0.06% | +121+1.8% | Added |
| Harvest Volatility Management LLC | 6,868 | $1.94M | 0.09% | +2,552+59.1% | Added |
| Shell Asset Management Co | 6,902 | $1.95M | 0.04% | −51−0.7% | Reduced |
| Cary Street Partners Asset Management LLC | 6,956 | $1.97M | 0.69% | −93−1.3% | Reduced |
| E. Ohman J:or Asset Management AB | 6,999 | $1.98M | 0.06% | +800+12.9% | Added |
| Fairfield, Bush & Co. | 7,000 | $1.98M | 0.64% | +7,000 | New |
| South Dakota Investment Council | 7,039 | $1.99M | 0.04% | +400+6.0% | Added |
| Cambridge Investment Research Advisors, Inc. | 7,152 | $2.02M | 0.01% | +656+10.1% | Added |
| Paradigm Asset Management Co LLC | 7,200 | $2.04M | 0.56% | −400−5.3% | Reduced |
| Cairn Investment Group, Inc. | 7,250 | $2.05M | 1.52% | +113+1.6% | Added |
| Prospera Financial Services Inc | 7,265 | $2.06M | 0.10% | +6,404+743.8% | Added |
| Oppenheimer & Co Inc | 7,322 | $2.07M | 0.04% | +435+6.3% | Added |
| Central Bank & Trust Co | 7,330 | $2.07M | 0.34% | −455−5.8% | Reduced |
| Malaga Cove Capital, LLC | 7,333 | $2.08M | 0.86% | +10+0.1% | Added |
| Northwestern Mutual Investment Management Company, LLC | 7,477 | $2.12M | 0.04% | +641+9.4% | Added |
| Chicago Trust Co NA | 7,524 | $2.13M | 0.47% | +5+0.1% | Added |
| Xponance, Inc. | 7,533 | $2.13M | 0.04% | −810−9.7% | Reduced |
| Loring Wolcott & Coolidge Fiduciary Advisors LLP | 7,659 | $2.17M | 0.02% | −75−1.0% | Reduced |
| Paloma Partners Management Co | 7,663 | $2.17M | 0.09% | +7,663 | New |
| Hussman Strategic Advisors, Inc. | 7,750 | $2.19M | 0.48% | +4,650+150.0% | Added |
| Atria Investments LLC | 7,793 | $2.21M | 0.04% | +3,830+96.6% | Added |
| Pitcairn Co | 7,919 | $2.24M | 0.15% | +663+9.1% | Added |
| Kinneret Advisory, LLC | 7,921 | $2.24M | 0.26% | 00.0% | Unchanged |
| Leelyn Smith, LLC | 7,950 | $2.25M | 0.65% | +825+11.6% | Added |
| Pinebridge Investments, L.P. | 8,045 | $2.28M | 0.03% | +8,045 | New |
| AlphaCrest Capital Management LLC | 8,052 | $2.28M | 0.12% | −1,377−14.6% | Reduced |
| Clark Estates Inc | 8,100 | $2.29M | 0.33% | 00.0% | Unchanged |
| Optimal Asset Management, Inc. | 8,135 | $2.30M | 0.29% | +22+0.3% | Added |
| Banque Cantonale Vaudoise | 8,246 | $2.33M | 0.10% | +280+3.5% | Added |
| Financial Advisors Network, Inc. | 8,657 | $2.34M | 0.54% | +2,075+31.5% | Added |
| Horizon Investments, LLC | 8,342 | $2.36M | 0.07% | +489+6.2% | Added |
| Creative Financial Designs Inc | 8,405 | $2.38M | 0.39% | +862+11.4% | Added |
| OPSEU Pension Plan Trust Fund | 8,481 | $2.39M | 0.60% | −318−3.6% | Reduced |
| Connor, Clark & Lunn Investment Management Ltd. | 8,578 | $2.43M | 0.01% | −7,463−46.5% | Reduced |
| Tudor Investment Corp Et Al | 8,595 | $2.43M | 0.05% | +4,606+115.5% | Added |
| Whittier Trust Co of Nevada Inc | 8,619 | $2.44M | 0.10% | +59+0.7% | Added |
| Capital Financial Services, LLC | 8,680 | $2.46M | 3.00% | 00.0% | Unchanged |
| Arden Trust Co | 8,679 | $2.46M | 0.42% | −153−1.7% | Reduced |
| Kentucky Retirement Systems | 8,700 | $2.46M | 0.12% | −67−0.8% | Reduced |
| Vestmark Advisory Solutions, Inc. | 8,724 | $2.47M | 0.17% | +54+0.6% | Added |
| Arlington Partners LLC | 8,758 | $2.48M | 0.71% | +488+5.9% | Added |
| Virtu Financial LLC | 8,904 | $2.52M | 0.22% | −7,522−45.8% | Reduced |
| Trexquant Investment LP | 9,023 | $2.55M | 0.20% | −810−8.2% | Reduced |
| MUFG Americas Holdings Corp | 9,201 | $2.60M | 0.05% | +4,672+103.2% | Added |
| Greatmark Investment Partners, Inc. | 9,331 | $2.64M | 0.49% | +206+2.3% | Added |
| B. Metzler seel. Sohn & Co. Holding AG | 9,354 | $2.65M | 0.04% | −1,526−14.0% | Reduced |
| Jefferies Group LLC | 9,357 | $2.65M | 0.06% | −7,306−43.8% | Reduced |
| Walleye Trading LLC | 9,412 | $2.66M | 0.06% | −12,696−57.4% | Reduced |
| Achmea Investment Management B.V. | 9,484 | $2.68M | 0.08% | −1,518−13.8% | Reduced |
| Sumitomo Mitsui DS Asset Management Company, Ltd | 9,524 | $2.69M | 0.06% | −93−1.0% | Reduced |
| TownSquare Capital, LLC | 9,539 | $2.70M | 0.08% | +1,161+13.9% | Added |
| Level Four Advisory Services, LLC | 9,635 | $2.73M | 0.28% | +10+0.1% | Added |
| First Citizens Bank & Trust Co | 9,682 | $2.74M | 0.13% | +9,682 | New |
| New Mexico Educational Retirement Board | 9,824 | $2.78M | 0.10% | −300−3.0% | Reduced |
| First Quadrant L P | 9,847 | $2.79M | 0.33% | 00.0% | Unchanged |
| Hennessy Advisors Inc | 9,900 | $2.80M | 0.17% | −200−2.0% | Reduced |
| Crossmark Global Holdings, Inc. | 9,946 | $2.81M | 0.07% | +1,232+14.1% | Added |
| Lipe & Dalton | 10,005 | $2.83M | 1.45% | −70−0.7% | Reduced |
| Fayez Sarofim & Co | 10,028 | $2.84M | 0.01% | 00.0% | Unchanged |
| Guardian Investment Management | 10,165 | $2.88M | 2.12% | −500−4.7% | Reduced |
| McKinley Capital Management LLC /Delaware | 10,220 | $2.89M | 0.27% | 00.0% | Unchanged |
| Boothbay Fund Management, LLC | 10,288 | $2.91M | 0.12% | −9,233−47.3% | Reduced |
| Distillate Capital Partners LLC | 10,299 | $2.91M | 0.78% | −746−6.8% | Reduced |
| Capitolis Advisors LLC | 10,958 | $2.96M | 0.03% | +10,958 | New |
| Elo Mutual Pension Insurance Co | 10,484 | $2.97M | 0.10% | −325−3.0% | Reduced |
| Keybank National Association | 10,528 | $2.98M | 0.01% | −1,500−12.5% | Reduced |
| Cambria Investment Management, L.P. | 10,573 | $2.99M | 0.55% | −436−4.0% | Reduced |
| Wealthfront Advisers LLC | 10,604 | $3.00M | 0.01% | −169−1.6% | Reduced |
| Schroder Investment Management Group | 10,751 | $3.04M | 0.00% | −2,135−16.6% | Reduced |
| Commerce Bank | 10,864 | $3.07M | 0.02% | +1,445+15.3% | Added |
| Brinker Capital Investments, LLC | 8,880 | $3.08M | 0.05% | 00.0% | Unchanged |
| IFP Advisors, Inc | 10,852 | $3.08M | 0.06% | +318+3.0% | Added |
| Nippon Life Global Investors Americas, Inc. | 10,890 | $3.08M | 0.16% | −1,520−12.2% | Reduced |
| Aviance Capital Partners, LLC | 10,899 | $3.08M | 0.54% | +1,409+14.8% | Added |
| Tower Research Capital LLC (TRC) | 11,000 | $3.11M | 0.08% | +4,263+63.3% | Added |
| American Portfolios Advisors | 11,119 | $3.15M | 0.12% | +769+7.4% | Added |
| Capstone Investment Advisors, LLC | 11,119 | $3.15M | 0.06% | +4,153+59.6% | Added |
| Fifth Third Bancorp | 11,127 | $3.15M | 0.01% | −6,220−35.9% | Reduced |