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 |
|---|---|---|---|---|---|
| Eaton Vance Management | 163,514 | $56.6M | 0.08% | +260.0% | Added |
| Victory Capital Management Inc | 163,265 | $56.5M | 0.05% | −6,900−4.1% | Reduced |
| Marshall Wace North America L.P. | 159,932 | $55.4M | 0.23% | −20,267−11.2% | Reduced |
| United Capital Financial Advisers, LLC | 153,393 | $53.1M | 0.27% | +1,197+0.8% | Added |
| Putnam Investments LLC | 152,742 | $52.9M | 0.08% | −74,536−32.8% | Reduced |
| Manufacturers Life Insurance Company, The | 147,035 | $50.9M | 0.04% | −2,480−1.7% | Reduced |
| Glenmede Trust Co NA | 146,074 | $50.6M | 0.26% | −51,178−25.9% | Reduced |
| State of Michigan Retirement System | 145,683 | $50.4M | 0.30% | −76,300−34.4% | Reduced |
| PEAK6 Investments LLC | 144,826 | $50.1M | 1.34% | +70,390+94.6% | Added |
| Ensign Peak Advisors, Inc | 143,550 | $49.7M | 0.10% | +27,117+23.3% | Added |
| BNP Paribas Arbitrage, SA | 142,549 | $49.4M | 0.10% | +27,597+24.0% | Added |
| Korea Investment CORP | 141,971 | $49.2M | 0.14% | +40,430+39.8% | Added |
| Tobam | 141,244 | $48.9M | 1.96% | −25,856−15.5% | Reduced |
| Balyasny Asset Management LLC | 138,279 | $47.9M | 0.26% | +48,659+54.3% | Added |
| Raymond James & Associates | 137,436 | $47.6M | 0.04% | −2,448−1.8% | Reduced |
| Adage Capital Partners GP, L.L.C. | 135,399 | $46.9M | 0.09% | −36,588−21.3% | Reduced |
| Beutel, Goodman & Co Ltd. | 134,133 | $46.4M | 0.28% | −38,399−22.3% | Reduced |
| PFM Health Sciences, LP | 132,272 | $45.8M | 1.47% | +30,238+29.6% | Added |
| Ikarian Capital, LLC | 125,962 | $43.6M | 7.79% | +120,262+2,109.9% | Added |
| Polar Capital Holdings Plc | 125,000 | $43.3M | 0.24% | −75,000−37.5% | Reduced |
| Altrinsic Global Advisors LLC | 124,853 | $43.2M | 1.32% | −1,451−1.1% | Reduced |
| Letko, Brosseau & Associates Inc | 124,636 | $43.2M | 0.58% | −1,932−1.5% | Reduced |
| Russell Investments Group, Ltd. | 120,257 | $41.6M | 0.07% | −39,787−24.9% | Reduced |
| TD Asset Management Inc | 121,610 | $39.7M | 0.04% | −11,425−8.6% | Reduced |
| Rock Springs Capital Management LP | 113,500 | $39.3M | 0.78% | 00.0% | Unchanged |
| Royal London Asset Management Ltd | 110,978 | $38.5M | 0.16% | −6,069−5.2% | Reduced |
| Sofinnova Investments, Inc. | 110,600 | $38.3M | 2.33% | +110,600 | New |
| Farallon Capital Management, L.L.C. | 109,000 | $37.7M | 0.18% | +6,000+5.8% | Added |
| Storebrand Asset Management AS | 108,501 | $37.6M | 0.18% | −11,054−9.2% | Reduced |
| Natixis | 107,304 | $37.2M | 0.16% | +63,990+147.7% | Added |
| Fisher Asset Management, LLC | 105,075 | $36.4M | 0.02% | +6,497+6.6% | Added |
| Boston Common Asset Management, LLC | 100,287 | $34.7M | 1.49% | +60,503+152.1% | Added |
| Massachusetts Financial Services Co | 99,013 | $34.3M | 0.01% | +63,556+179.2% | Added |
| Krensavage Asset Management, LLC | 97,523 | $33.8M | 11.46% | −40,995−29.6% | Reduced |
| Country Trust Bank | 97,006 | $33.6M | 1.00% | −19,664−16.9% | Reduced |
| Chevy Chase Trust Holdings, Inc. | 96,663 | $33.5M | 0.11% | −6,304−6.1% | Reduced |
| Handelsbanken Fonder AB | 96,340 | $33.4M | 0.17% | +9,134+10.5% | Added |
| Public Employees Retirement System of Ohio | 96,220 | $33.3M | 0.12% | −1,239−1.3% | Reduced |
| Mn Services Vermogensbeheer B.V. | 111,708 | $32.6M | 0.25% | +111,708 | New |
| O'Shaughnessy Asset Management, LLC | 93,592 | $32.4M | 0.64% | −39,445−29.6% | Reduced |
| Treasurer of the State of North Carolina | 92,940 | $32.2M | 0.19% | −780−0.8% | Reduced |
| State of New Jersey Common Pension Fund D | 92,797 | $32.1M | 0.11% | −562−0.6% | Reduced |
| Voya Investment Management LLC | 91,867 | $31.8M | 0.06% | −22,434−19.6% | Reduced |
| Rhenman & Partners Asset Management AB | 90,000 | $31.2M | 2.12% | +70,500+361.5% | Added |
| Janus Henderson Group PLC | 88,947 | $30.8M | 0.01% | +14,746+19.9% | Added |
| Nisa Investment Advisors, LLC | 87,034 | $30.1M | 0.19% | +15,380+21.5% | Added |
| Toronto Dominion Bank | 86,533 | $30.0M | 0.05% | +644+0.7% | Added |
| Fred Alger Management, LLC | 85,613 | $29.6M | 0.07% | +67,888+383.0% | Added |
| Bridgeway Capital Management, LLC | 85,575 | $29.6M | 0.53% | −10,365−10.8% | Reduced |
| Caisse de Depot Et Placement du Quebec | 84,664 | $29.3M | 0.06% | +56,302+198.5% | Added |
| Great Lakes Advisors, LLC | 84,101 | $29.1M | 0.44% | −14,706−14.9% | Reduced |
| Retirement Systems of Alabama | 83,965 | $29.1M | 0.10% | −307−0.4% | Reduced |
| SEI Investments Co | 83,852 | $29.0M | 0.06% | −16,469−16.4% | Reduced |
| Beacon Investment Advisory Services, Inc. | 82,745 | $28.7M | 1.16% | +923+1.1% | Added |
| Jane Street Group, LLC | 82,686 | $28.6M | 0.07% | −40,009−32.6% | Reduced |
| Truist Financial Corp | 82,486 | $28.6M | 0.05% | +1,216+1.5% | Added |
| Voloridge Investment Management, LLC | 82,309 | $28.5M | 0.20% | +76,806+1,395.7% | Added |
| AMF Pensionsforsakring AB | 82,152 | $28.4M | 0.20% | −18,612−18.5% | Reduced |
| Guggenheim Capital LLC | 81,838 | $28.3M | 0.17% | +2,039+2.6% | Added |
| Miller Value Partners, LLC | 79,493 | $27.5M | 0.72% | +79,493 | New |
| Moore Capital Management, LP | 79,158 | $27.4M | 0.50% | +79,158 | New |
| Grantham, Mayo, Van Otterloo & Co. LLC | 79,000 | $27.4M | 0.14% | +6,400+8.8% | Added |
| Lombard Odier Asset Management (Switzerland) SA | 77,129 | $26.7M | 1.36% | +75,362+4,265.0% | Added |
| FIL Ltd | 76,803 | $26.6M | 0.03% | −17,034−18.2% | Reduced |
| Qube Research & Technologies Ltd | 76,651 | $26.5M | 0.33% | +76,651 | New |
| Scout Investments, Inc. | 75,007 | $26.0M | 0.39% | +75,007 | New |
| Woodline Partners LP | 73,457 | $25.4M | 0.47% | +55,981+320.3% | Added |
| Sector Gamma AS | 73,043 | $25.3M | 4.48% | +23,783+48.3% | Added |
| Asset Management One Co.,Ltd. | 70,814 | $24.5M | 0.09% | −1,446−2.0% | Reduced |
| Macquarie Group Ltd | 70,775 | $24.5M | 0.02% | +944+1.4% | Added |
| Panagora Asset Management Inc | 70,523 | $24.4M | 0.13% | −150,301−68.1% | Reduced |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 69,591 | $24.1M | 0.13% | +6,401+10.1% | Added |
| State of Alaska, Department of Revenue | 69,534 | $24.1M | 0.24% | +9,568+16.0% | Added |
| Mirae Asset Global Investments Co., Ltd. | 69,269 | $24.0M | 0.07% | +16,014+30.1% | Added |
| Tocqueville Asset Management L.P. | 68,221 | $23.6M | 0.34% | −25,179−27.0% | Reduced |
| OrbiMed Advisors LLC | 67,400 | $23.3M | 0.24% | −14,600−17.8% | Reduced |
| Alyeska Investment Group, L.P. | 65,367 | $22.6M | 0.26% | +65,367 | New |
| American International Group, Inc. | 65,040 | $22.5M | 0.09% | −2,447−3.6% | Reduced |
| STRS Ohio | 64,752 | $22.4M | 0.08% | −3,063−4.5% | Reduced |
| Standard Life Aberdeen plc | 64,664 | $22.4M | 0.05% | −3,451−5.1% | Reduced |
| Assetmark, Inc | 64,469 | $22.3M | 0.10% | −152,762−70.3% | Reduced |
| Oregon Public Employees Retirement Fund | 63,099 | $21.8M | 0.25% | −11,368−15.3% | Reduced |
| Gateway Investment Advisers LLC | 61,810 | $21.4M | 0.22% | −264−0.4% | Reduced |
| Mitsubishi UFJ Kokusai Asset Management Co., Ltd. | 59,896 | $20.7M | 0.11% | +6,239+11.6% | Added |
| Andra AP-fonden | 59,100 | $20.5M | 0.42% | +6,300+11.9% | Added |
| M&G Investment Management Ltd | 59,115 | $20.5M | 0.11% | +41,364+233.0% | Added |
| Baird Financial Group, Inc. | 58,155 | $20.1M | 0.05% | −14,821−20.3% | Reduced |
| Pacer Advisors, Inc. | 55,146 | $19.1M | 0.27% | +18,151+49.1% | Added |
| AMP Capital Investors Ltd | 54,140 | $18.7M | 0.09% | −12,955−19.3% | Reduced |
| Nomura Asset Management Co Ltd | 53,761 | $18.6M | 0.11% | −94,274−63.7% | Reduced |
| APG Asset Management N.V. | 63,261 | $18.5M | 0.03% | −27,734−30.5% | Reduced |
| Oppenheimer Asset Management Inc. | 49,963 | $17.3M | 0.25% | +3,626+7.8% | Added |
| Stifel Financial Corp | 49,935 | $17.3M | 0.03% | −10,336−17.1% | Reduced |
| Brandywine Global Investment Management, LLC | 49,849 | $17.3M | 0.13% | +9,268+22.8% | Added |
| Teacher Retirement System of Texas | 49,504 | $17.1M | 0.09% | +1,118+2.3% | Added |
| The PNC Financial Services Group, Inc. | 49,226 | $17.0M | 0.02% | −9,395−16.0% | Reduced |
| Jericho Capital Asset Management L.P. | 49,000 | $17.0M | 0.40% | +49,000 | New |
| Aviva PLC | 48,560 | $16.8M | 0.07% | −2,023−4.0% | Reduced |
| International Biotechnology Trust PLC | 48,500 | $16.8M | 4.48% | 00.0% | Unchanged |
| US Bancorp | 48,064 | $16.6M | 0.03% | −10,560−18.0% | Reduced |