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 |
|---|---|---|---|---|---|
| Montag & Caldwell, LLC | 46,136 | $16.0M | 1.44% | +46,136 | New |
| Nomura Holdings Inc | 45,045 | $16.1M | 0.13% | +44,689+12,553.1% | Added |
| Mackenzie Financial Corp | 46,441 | $16.1M | 0.02% | −1,128−2.4% | Reduced |
| GMT Capital Corp | 46,950 | $16.3M | 1.21% | −14,620−23.7% | Reduced |
| KBC Group NV | 47,630 | $16.5M | 0.06% | +483+1.0% | Added |
| US Bancorp | 48,064 | $16.6M | 0.03% | −10,560−18.0% | Reduced |
| International Biotechnology Trust PLC | 48,500 | $16.8M | 4.48% | 00.0% | Unchanged |
| Aviva PLC | 48,560 | $16.8M | 0.07% | −2,023−4.0% | Reduced |
| Jericho Capital Asset Management L.P. | 49,000 | $17.0M | 0.40% | +49,000 | New |
| The PNC Financial Services Group, Inc. | 49,226 | $17.0M | 0.02% | −9,395−16.0% | Reduced |
| Teacher Retirement System of Texas | 49,504 | $17.1M | 0.09% | +1,118+2.3% | Added |
| Brandywine Global Investment Management, LLC | 49,849 | $17.3M | 0.13% | +9,268+22.8% | Added |
| Stifel Financial Corp | 49,935 | $17.3M | 0.03% | −10,336−17.1% | Reduced |
| Oppenheimer Asset Management Inc. | 49,963 | $17.3M | 0.25% | +3,626+7.8% | Added |
| APG Asset Management N.V. | 63,261 | $18.5M | 0.03% | −27,734−30.5% | Reduced |
| Nomura Asset Management Co Ltd | 53,761 | $18.6M | 0.11% | −94,274−63.7% | Reduced |
| AMP Capital Investors Ltd | 54,140 | $18.7M | 0.09% | −12,955−19.3% | Reduced |
| Pacer Advisors, Inc. | 55,146 | $19.1M | 0.27% | +18,151+49.1% | Added |
| Baird Financial Group, Inc. | 58,155 | $20.1M | 0.05% | −14,821−20.3% | Reduced |
| M&G Investment Management Ltd | 59,115 | $20.5M | 0.11% | +41,364+233.0% | Added |
| Andra AP-fonden | 59,100 | $20.5M | 0.42% | +6,300+11.9% | Added |
| Mitsubishi UFJ Kokusai Asset Management Co., Ltd. | 59,896 | $20.7M | 0.11% | +6,239+11.6% | Added |
| Gateway Investment Advisers LLC | 61,810 | $21.4M | 0.22% | −264−0.4% | Reduced |
| Oregon Public Employees Retirement Fund | 63,099 | $21.8M | 0.25% | −11,368−15.3% | Reduced |
| Assetmark, Inc | 64,469 | $22.3M | 0.10% | −152,762−70.3% | Reduced |
| Standard Life Aberdeen plc | 64,664 | $22.4M | 0.05% | −3,451−5.1% | Reduced |
| STRS Ohio | 64,752 | $22.4M | 0.08% | −3,063−4.5% | Reduced |
| American International Group, Inc. | 65,040 | $22.5M | 0.09% | −2,447−3.6% | Reduced |
| Alyeska Investment Group, L.P. | 65,367 | $22.6M | 0.26% | +65,367 | New |
| OrbiMed Advisors LLC | 67,400 | $23.3M | 0.24% | −14,600−17.8% | Reduced |
| Tocqueville Asset Management L.P. | 68,221 | $23.6M | 0.34% | −25,179−27.0% | Reduced |
| Mirae Asset Global Investments Co., Ltd. | 69,269 | $24.0M | 0.07% | +16,014+30.1% | Added |
| State of Alaska, Department of Revenue | 69,534 | $24.1M | 0.24% | +9,568+16.0% | Added |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 69,591 | $24.1M | 0.13% | +6,401+10.1% | Added |
| Panagora Asset Management Inc | 70,523 | $24.4M | 0.13% | −150,301−68.1% | Reduced |
| Macquarie Group Ltd | 70,775 | $24.5M | 0.02% | +944+1.4% | Added |
| Asset Management One Co.,Ltd. | 70,814 | $24.5M | 0.09% | −1,446−2.0% | Reduced |
| Sector Gamma AS | 73,043 | $25.3M | 4.48% | +23,783+48.3% | Added |
| Woodline Partners LP | 73,457 | $25.4M | 0.47% | +55,981+320.3% | Added |
| Scout Investments, Inc. | 75,007 | $26.0M | 0.39% | +75,007 | New |
| Qube Research & Technologies Ltd | 76,651 | $26.5M | 0.33% | +76,651 | New |
| FIL Ltd | 76,803 | $26.6M | 0.03% | −17,034−18.2% | Reduced |
| Lombard Odier Asset Management (Switzerland) SA | 77,129 | $26.7M | 1.36% | +75,362+4,265.0% | Added |
| Grantham, Mayo, Van Otterloo & Co. LLC | 79,000 | $27.4M | 0.14% | +6,400+8.8% | Added |
| Moore Capital Management, LP | 79,158 | $27.4M | 0.50% | +79,158 | New |
| Miller Value Partners, LLC | 79,493 | $27.5M | 0.72% | +79,493 | New |
| Guggenheim Capital LLC | 81,838 | $28.3M | 0.17% | +2,039+2.6% | Added |
| AMF Pensionsforsakring AB | 82,152 | $28.4M | 0.20% | −18,612−18.5% | Reduced |
| Voloridge Investment Management, LLC | 82,309 | $28.5M | 0.20% | +76,806+1,395.7% | Added |
| Truist Financial Corp | 82,486 | $28.6M | 0.05% | +1,216+1.5% | Added |
| Jane Street Group, LLC | 82,686 | $28.6M | 0.07% | −40,009−32.6% | Reduced |
| Beacon Investment Advisory Services, Inc. | 82,745 | $28.7M | 1.16% | +923+1.1% | Added |
| SEI Investments Co | 83,852 | $29.0M | 0.06% | −16,469−16.4% | Reduced |
| Retirement Systems of Alabama | 83,965 | $29.1M | 0.10% | −307−0.4% | Reduced |
| Great Lakes Advisors, LLC | 84,101 | $29.1M | 0.44% | −14,706−14.9% | Reduced |
| Caisse de Depot Et Placement du Quebec | 84,664 | $29.3M | 0.06% | +56,302+198.5% | Added |
| Bridgeway Capital Management, LLC | 85,575 | $29.6M | 0.53% | −10,365−10.8% | Reduced |
| Fred Alger Management, LLC | 85,613 | $29.6M | 0.07% | +67,888+383.0% | Added |
| Toronto Dominion Bank | 86,533 | $30.0M | 0.05% | +644+0.7% | Added |
| Nisa Investment Advisors, LLC | 87,034 | $30.1M | 0.19% | +15,380+21.5% | Added |
| Janus Henderson Group PLC | 88,947 | $30.8M | 0.01% | +14,746+19.9% | Added |
| Rhenman & Partners Asset Management AB | 90,000 | $31.2M | 2.12% | +70,500+361.5% | Added |
| Voya Investment Management LLC | 91,867 | $31.8M | 0.06% | −22,434−19.6% | Reduced |
| State of New Jersey Common Pension Fund D | 92,797 | $32.1M | 0.11% | −562−0.6% | Reduced |
| Treasurer of the State of North Carolina | 92,940 | $32.2M | 0.19% | −780−0.8% | Reduced |
| O'Shaughnessy Asset Management, LLC | 93,592 | $32.4M | 0.64% | −39,445−29.6% | Reduced |
| Mn Services Vermogensbeheer B.V. | 111,708 | $32.6M | 0.25% | +111,708 | New |
| Public Employees Retirement System of Ohio | 96,220 | $33.3M | 0.12% | −1,239−1.3% | Reduced |
| Handelsbanken Fonder AB | 96,340 | $33.4M | 0.17% | +9,134+10.5% | Added |
| Chevy Chase Trust Holdings, Inc. | 96,663 | $33.5M | 0.11% | −6,304−6.1% | Reduced |
| Country Trust Bank | 97,006 | $33.6M | 1.00% | −19,664−16.9% | Reduced |
| Krensavage Asset Management, LLC | 97,523 | $33.8M | 11.46% | −40,995−29.6% | Reduced |
| Massachusetts Financial Services Co | 99,013 | $34.3M | 0.01% | +63,556+179.2% | Added |
| Boston Common Asset Management, LLC | 100,287 | $34.7M | 1.49% | +60,503+152.1% | Added |
| Fisher Asset Management, LLC | 105,075 | $36.4M | 0.02% | +6,497+6.6% | Added |
| Natixis | 107,304 | $37.2M | 0.16% | +63,990+147.7% | Added |
| Storebrand Asset Management AS | 108,501 | $37.6M | 0.18% | −11,054−9.2% | Reduced |
| Farallon Capital Management, L.L.C. | 109,000 | $37.7M | 0.18% | +6,000+5.8% | Added |
| Sofinnova Investments, Inc. | 110,600 | $38.3M | 2.33% | +110,600 | New |
| Royal London Asset Management Ltd | 110,978 | $38.5M | 0.16% | −6,069−5.2% | Reduced |
| Rock Springs Capital Management LP | 113,500 | $39.3M | 0.78% | 00.0% | Unchanged |
| TD Asset Management Inc | 121,610 | $39.7M | 0.04% | −11,425−8.6% | Reduced |
| Russell Investments Group, Ltd. | 120,257 | $41.6M | 0.07% | −39,787−24.9% | Reduced |
| Letko, Brosseau & Associates Inc | 124,636 | $43.2M | 0.58% | −1,932−1.5% | Reduced |
| Altrinsic Global Advisors LLC | 124,853 | $43.2M | 1.32% | −1,451−1.1% | Reduced |
| Polar Capital Holdings Plc | 125,000 | $43.3M | 0.24% | −75,000−37.5% | Reduced |
| Ikarian Capital, LLC | 125,962 | $43.6M | 7.79% | +120,262+2,109.9% | Added |
| PFM Health Sciences, LP | 132,272 | $45.8M | 1.47% | +30,238+29.6% | Added |
| Beutel, Goodman & Co Ltd. | 134,133 | $46.4M | 0.28% | −38,399−22.3% | Reduced |
| Adage Capital Partners GP, L.L.C. | 135,399 | $46.9M | 0.09% | −36,588−21.3% | Reduced |
| Raymond James & Associates | 137,436 | $47.6M | 0.04% | −2,448−1.8% | Reduced |
| Balyasny Asset Management LLC | 138,279 | $47.9M | 0.26% | +48,659+54.3% | Added |
| Tobam | 141,244 | $48.9M | 1.96% | −25,856−15.5% | Reduced |
| Korea Investment CORP | 141,971 | $49.2M | 0.14% | +40,430+39.8% | Added |
| BNP Paribas Arbitrage, SA | 142,549 | $49.4M | 0.10% | +27,597+24.0% | Added |
| Ensign Peak Advisors, Inc | 143,550 | $49.7M | 0.10% | +27,117+23.3% | Added |
| PEAK6 Investments LLC | 144,826 | $50.1M | 1.34% | +70,390+94.6% | Added |
| State of Michigan Retirement System | 145,683 | $50.4M | 0.30% | −76,300−34.4% | Reduced |
| Glenmede Trust Co NA | 146,074 | $50.6M | 0.26% | −51,178−25.9% | Reduced |
| Manufacturers Life Insurance Company, The | 147,035 | $50.9M | 0.04% | −2,480−1.7% | Reduced |