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 |
|---|---|---|---|---|---|
| Raymond James & Associates | 150,982 | $42.7M | 0.04% | +13,546+9.9% | Added |
| Rhenman & Partners Asset Management AB | 150,000 | $42.4M | 2.98% | +60,000+66.7% | Added |
| TD Asset Management Inc | 146,929 | $41.6M | 0.04% | +25,319+20.8% | Added |
| Glenmede Trust Co NA | 146,459 | $41.4M | 0.21% | +385+0.3% | Added |
| State of Michigan Retirement System | 145,183 | $41.1M | 0.23% | −500−0.3% | Reduced |
| Eaton Vance Management | 141,449 | $39.5M | 0.05% | −22,065−13.5% | Reduced |
| Two Sigma Investments, LP | 139,630 | $39.5M | 0.11% | +116,441+502.1% | Added |
| Janus Henderson Group PLC | 136,852 | $38.7M | 0.02% | +47,905+53.9% | Added |
| Caisse de Depot Et Placement du Quebec | 136,477 | $38.6M | 0.08% | +51,813+61.2% | Added |
| Manufacturers Life Insurance Company, The | 133,516 | $37.8M | 0.03% | −13,519−9.2% | Reduced |
| Tobam | 129,769 | $36.7M | 1.56% | −11,475−8.1% | Reduced |
| Victory Capital Management Inc | 128,283 | $36.3M | 0.04% | −34,982−21.4% | Reduced |
| Altrinsic Global Advisors LLC | 126,021 | $35.7M | 1.07% | +1,168+0.9% | Added |
| DekaBank Deutsche Girozentrale | 124,601 | $35.5M | 0.10% | −67,344−35.1% | Reduced |
| Polar Capital Holdings Plc | 125,000 | $35.4M | 0.19% | 00.0% | Unchanged |
| Samlyn Capital, LLC | 122,335 | $34.6M | 0.51% | −253,896−67.5% | Reduced |
| Skandinaviska Enskilda Banken AB (publ) | 121,749 | $34.4M | 0.19% | −69,298−36.3% | Reduced |
| Letko, Brosseau & Associates Inc | 119,996 | $34.0M | 0.49% | −4,640−3.7% | Reduced |
| Korea Investment CORP | 119,714 | $33.9M | 0.10% | −22,257−15.7% | Reduced |
| Ensign Peak Advisors, Inc | 118,756 | $33.6M | 0.07% | −24,794−17.3% | Reduced |
| Taconic Capital Advisors LP | 117,000 | $33.1M | 1.24% | +97,000+485.0% | Added |
| State of Tennessee, Treasury Department | 116,739 | $33.0M | 0.13% | +89,922+335.3% | Added |
| Mn Services Vermogensbeheer B.V. | 113,408 | $32.1M | 0.21% | +1,700+1.5% | Added |
| Adage Capital Partners GP, L.L.C. | 113,099 | $32.0M | 0.06% | −22,300−16.5% | Reduced |
| Toronto Dominion Bank | 108,524 | $30.7M | 0.05% | +21,991+25.4% | Added |
| Fisher Asset Management, LLC | 108,489 | $30.7M | 0.02% | +3,414+3.2% | Added |
| Royal London Asset Management Ltd | 107,506 | $30.4M | 0.12% | −3,472−3.1% | Reduced |
| PEAK6 Investments LLC | 107,419 | $30.4M | 0.61% | −37,407−25.8% | Reduced |
| Russell Investments Group, Ltd. | 106,450 | $30.2M | 0.05% | −13,807−11.5% | Reduced |
| Wedge Capital Management L L P | 105,756 | $29.9M | 0.39% | +105,756 | New |
| Storebrand Asset Management AS | 103,751 | $29.4M | 0.14% | −4,750−4.4% | Reduced |
| Krensavage Asset Management, LLC | 103,202 | $29.2M | 9.16% | +5,679+5.8% | Added |
| Boston Common Asset Management, LLC | 100,260 | $28.4M | 1.23% | −270.0% | Reduced |
| BNP Paribas Arbitrage, SA | 98,160 | $27.8M | 0.07% | −44,389−31.1% | Reduced |
| AMF Pensionsforsakring AB | 95,283 | $27.0M | 0.20% | +13,131+16.0% | Added |
| Public Employees Retirement System of Ohio | 94,787 | $26.8M | 0.10% | −1,433−1.5% | Reduced |
| Jane Street Group, LLC | 94,170 | $26.6M | 0.07% | +11,484+13.9% | Added |
| Grantham, Mayo, Van Otterloo & Co. LLC | 93,400 | $26.4M | 0.13% | +14,400+18.2% | Added |
| Chevy Chase Trust Holdings, Inc. | 92,231 | $26.1M | 0.09% | −4,432−4.6% | Reduced |
| State of New Jersey Common Pension Fund D | 90,123 | $25.5M | 0.08% | −2,674−2.9% | Reduced |
| Treasurer of the State of North Carolina | 90,015 | $25.5M | 0.15% | −2,925−3.1% | Reduced |
| O'Shaughnessy Asset Management, LLC | 89,301 | $25.3M | 0.52% | −4,291−4.6% | Reduced |
| Natixis | 88,585 | $25.1M | 0.09% | −18,719−17.4% | Reduced |
| Great Lakes Advisors, LLC | 87,631 | $24.8M | 0.39% | +3,530+4.2% | Added |
| Handelsbanken Fonder AB | 87,583 | $24.8M | 0.13% | −8,757−9.1% | Reduced |
| M&G Investment Management Ltd | 86,892 | $24.6M | 0.12% | +27,777+47.0% | Added |
| Mirae Asset Global Investments Co., Ltd. | 85,728 | $24.3M | 0.06% | +16,459+23.8% | Added |
| Lombard Odier Asset Management (Switzerland) SA | 84,346 | $23.8M | 1.48% | +7,217+9.4% | Added |
| Avoro Capital Advisors LLC | 84,000 | $23.8M | 0.37% | +84,000 | New |
| Sector Gamma AS | 83,319 | $23.6M | 4.70% | +10,276+14.1% | Added |
| Truist Financial Corp | 82,231 | $23.3M | 0.04% | −255−0.3% | Reduced |
| Voya Investment Management LLC | 79,503 | $22.5M | 0.05% | −12,364−13.5% | Reduced |
| Beacon Investment Advisory Services, Inc. | 78,968 | $22.3M | 0.93% | −3,777−4.6% | Reduced |
| Guggenheim Capital LLC | 78,671 | $22.3M | 0.13% | −3,167−3.9% | Reduced |
| Nisa Investment Advisors, LLC | 78,241 | $22.1M | 0.13% | −8,793−10.1% | Reduced |
| Public Sector Pension Investment Board | 77,979 | $22.1M | 0.13% | +54,373+230.3% | Added |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 77,863 | $22.0M | 0.12% | +8,272+11.9% | Added |
| Bridgeway Capital Management, LLC | 76,875 | $21.8M | 0.42% | −8,700−10.2% | Reduced |
| Retirement Systems of Alabama | 76,552 | $21.7M | 0.08% | −7,413−8.8% | Reduced |
| Parallax Volatility Advisers, L.P. | 76,058 | $21.5M | 0.23% | +62,823+474.7% | Added |
| Camber Capital Management LP | 75,000 | $21.2M | 0.79% | +75,000 | New |
| FIL Ltd | 74,400 | $21.1M | 0.02% | −2,403−3.1% | Reduced |
| Baird Financial Group, Inc. | 74,017 | $20.9M | 0.05% | +15,862+27.3% | Added |
| Macquarie Group Ltd | 72,385 | $20.5M | 0.02% | +1,610+2.3% | Added |
| Acadian Asset Management LLC | 71,175 | $20.1M | 0.08% | −108,046−60.3% | Reduced |
| Panagora Asset Management Inc | 68,240 | $19.3M | 0.10% | −2,283−3.2% | Reduced |
| Asset Management One Co.,Ltd. | 68,019 | $19.2M | 0.07% | −2,795−3.9% | Reduced |
| Tocqueville Asset Management L.P. | 67,920 | $19.2M | 0.28% | −301−0.4% | Reduced |
| Standard Life Aberdeen plc | 66,981 | $19.1M | 0.04% | +2,317+3.6% | Added |
| Mitsubishi UFJ Kokusai Asset Management Co., Ltd. | 66,991 | $19.0M | 0.09% | +7,095+11.8% | Added |
| State of Alaska, Department of Revenue | 65,920 | $18.7M | 0.19% | −3,614−5.2% | Reduced |
| PointState Capital LP | 65,500 | $18.5M | 0.44% | +24,900+61.3% | Added |
| Voloridge Investment Management, LLC | 64,753 | $18.3M | 0.12% | −17,556−21.3% | Reduced |
| Andra AP-fonden | 63,500 | $18.0M | 0.37% | +4,400+7.4% | Added |
| Oregon Public Employees Retirement Fund | 63,437 | $18.0M | 0.21% | +338+0.5% | Added |
| Gateway Investment Advisers LLC | 61,812 | $17.5M | 0.18% | +20.0% | Added |
| Edmond de Rothschild Holding S.A. | 61,303 | $17.3M | 0.40% | +16,043+35.4% | Added |
| American International Group, Inc. | 59,265 | $16.8M | 0.09% | −5,775−8.9% | Reduced |
| Qube Research & Technologies Ltd | 59,206 | $16.8M | 0.21% | −17,445−22.8% | Reduced |
| Jupiter Asset Management Ltd | 57,575 | $16.3M | 0.18% | +43,252+302.0% | Added |
| CIBC World Markets Corp | 57,418 | $16.2M | 0.11% | +27,002+88.8% | Added |
| Brown Advisory Inc | 55,507 | $15.7M | 0.02% | +43,163+349.7% | Added |
| STRS Ohio | 54,837 | $15.5M | 0.06% | −9,915−15.3% | Reduced |
| Montag & Caldwell, LLC | 52,712 | $14.9M | 1.38% | +6,576+14.3% | Added |
| Oppenheimer Asset Management Inc. | 52,538 | $14.9M | 0.21% | +2,575+5.2% | Added |
| Woodline Partners LP | 52,418 | $14.8M | 0.25% | −21,039−28.6% | Reduced |
| Two Sigma Advisers, LP | 50,700 | $14.3M | 0.04% | +50,700 | New |
| Aviva PLC | 49,629 | $14.0M | 0.06% | +1,069+2.2% | Added |
| LPL Financial LLC | 49,257 | $13.9M | 0.01% | +11,320+29.8% | Added |
| Nomura Asset Management Co Ltd | 49,239 | $13.9M | 0.08% | −4,522−8.4% | Reduced |
| Ossiam | 48,815 | $13.8M | 0.39% | +7,989+19.6% | Added |
| Perceptive Advisors LLC | 48,600 | $13.8M | 0.20% | +48,600 | New |
| AMP Capital Investors Ltd | 47,753 | $13.5M | 0.07% | −6,387−11.8% | Reduced |
| Vontobel Holding Ltd. | 47,624 | $13.5M | 0.12% | +4,657+10.8% | Added |
| Great Point Partners LLC | 47,500 | $13.4M | 3.18% | +15,000+46.2% | Added |
| HAP Trading, LLC | 47,485 | $13.4M | 0.99% | +9,484+25.0% | Added |
| Stifel Financial Corp | 47,245 | $13.4M | 0.02% | −2,690−5.4% | Reduced |
| Balyasny Asset Management LLC | 46,535 | $13.2M | 0.06% | −91,744−66.3% | Reduced |
| KBC Group NV | 46,497 | $13.2M | 0.05% | −1,133−2.4% | Reduced |
| The PNC Financial Services Group, Inc. | 46,365 | $13.1M | 0.01% | −2,861−5.8% | Reduced |