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; 1,046 institutions reported holding it in 13F filings for Q2 2026, worth $30.7B in total; no superinvestor holds it.
13F holders, Q1 2023
Institutional positions in Biogen Inc. as of Mar 31, 2023. 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
- 1,004
- −11 vs. Q4 2022
- Shares held
- 127.9M
- +3.08M (+2.5%) vs. Q4 2022
- Total value
- $35.0B
- +$421.8M (+1.2%) vs. Q4 2022
- New holders
- 88
- 342 more added
- Sold out
- 99
- 365 more reduced
18 institutions that held it in Q4 2022 haven't filed for Q1 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 2022: 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 | 1,046 | $30.7B |
| Q1 2026 | 1,014 | $24.7B |
| Q4 2025 | 1,001 | $24.6B |
| Q3 2025 | 908 | $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, Q1 2023
Shares, value and share of portfolio for each institution holding Biogen Inc.; share changes are against Q4 2022.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Virginia Retirement Systems Et Al | 170,304 | $47.3M | 0.49% | +141,604+493.4% | Added |
| Railway Pension Investments Ltd | 174,022 | $48.4M | 0.49% | 00.0% | Unchanged |
| Principal Financial Group Inc | 176,377 | $49.0M | 0.04% | +3,490+2.0% | Added |
| Krensavage Asset Management, LLC | 177,126 | $49.2M | 14.96% | +122+0.1% | Added |
| State Board of Administration of Florida Retirement System | 178,436 | $49.6M | 0.12% | −3,680−2.0% | Reduced |
| Retirement Systems of Alabama | 179,463 | $49.9M | 0.22% | +33,331+22.8% | Added |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 181,520 | $50.5M | 0.25% | +31,483+21.0% | Added |
| Saratoga Research & Investment Management | 183,329 | $51.0M | 2.42% | −720−0.4% | Reduced |
| United Capital Financial Advisers, LLC | 189,576 | $52.7M | 0.29% | −2,362−1.2% | Reduced |
| Holocene Advisors, LP | 194,105 | $54.0M | 0.27% | +194,105 | New |
| Deep Track Capital, LP | 200,000 | $55.6M | 2.36% | −100,000−33.3% | Reduced |
| Bank of Montreal | 201,624 | $56.2M | 0.04% | −122,183−37.7% | Reduced |
| Panagora Asset Management Inc | 208,551 | $58.0M | 0.37% | +109,152+109.8% | Added |
| Epoch Investment Partners, Inc. | 210,176 | $58.4M | 0.35% | −11,425−5.2% | Reduced |
| Ameriprise Financial Inc | 210,840 | $58.6M | 0.02% | +86,919+70.1% | Added |
| BNP Paribas Arbitrage, SA | 218,649 | $60.8M | 0.13% | −55,714−20.3% | Reduced |
| Braidwell LP | 220,742 | $61.4M | 2.02% | −31,800−12.6% | Reduced |
| Citigroup Inc | 229,966 | $63.9M | 0.09% | +33,140+16.8% | Added |
| DekaBank Deutsche Girozentrale | 234,282 | $64.2M | 0.16% | +83,922+55.8% | Added |
| Balyasny Asset Management LLC | 239,395 | $66.6M | 0.22% | +188,012+365.9% | Added |
| Tekla Capital Management LLC | 240,926 | $67.0M | 2.55% | +45,496+23.3% | Added |
| Man Group plc | – | $67.1M | 0.24% | – | – |
| Citadel Advisors LLC | 245,084 | $68.1M | 0.07% | −2,728−1.1% | Reduced |
| California State Teachers Retirement System | 247,784 | $68.9M | 0.10% | −3,738−1.5% | Reduced |
| Polar Capital Holdings Plc | 250,000 | $69.5M | 0.51% | +100,000+66.7% | Added |
| HSBC Holdings PLC | 250,080 | $69.5M | 0.09% | −31,858−11.3% | Reduced |
| Wells Fargo & Company | 255,022 | $70.9M | 0.02% | −11,086−4.2% | Reduced |
| Russell Investments Group, Ltd. | 258,041 | $71.7M | 0.14% | −18,648−6.7% | Reduced |
| National Pension Service | 267,331 | $73.6M | 0.13% | +67,806+34.0% | Added |
| Fred Alger Management, LLC | 269,438 | $74.9M | 0.40% | −62,627−18.9% | Reduced |
| Erste Asset Management GmbH | 270,535 | $75.0M | 1.44% | +34,088+14.4% | Added |
| Candriam Luxembourg S.C.A. | 298,745 | $76.5M | 0.53% | +932+0.3% | Added |
| Rhumbline Advisers | 279,780 | $77.8M | 0.10% | +1,175+0.4% | Added |
| Prudential Financial Inc | 280,828 | $78.1M | 0.12% | +154,220+121.8% | Added |
| Royal Bank of Canada | 286,881 | $79.8M | 0.02% | −96,925−25.3% | Reduced |
| Arrowstreet Capital, Limited Partnership | 290,740 | $80.8M | 0.10% | −156,059−34.9% | Reduced |
| Alliancebernstein L.P. | 293,523 | $81.6M | 0.03% | +50,545+20.8% | Added |
| UBS Group AG | 296,084 | $82.3M | 0.04% | +1,809+0.6% | Added |
| Thrivent Financial for Lutherans | 297,142 | $82.6M | 0.20% | −1,466−0.5% | Reduced |
| Two Sigma Advisers, LP | 301,200 | $83.7M | 0.22% | −503,100−62.6% | Reduced |
| Parnassus Investments | 305,808 | $85.0M | 0.21% | 00.0% | Unchanged |
| California Public Employees Retirement System | 309,617 | $86.1M | 0.08% | −62,275−16.7% | Reduced |
| Carmignac Gestion | 310,100 | $86.2M | 1.44% | +310,100 | New |
| Neuberger Berman Group LLC | 312,464 | $86.9M | 0.08% | +10,933+3.6% | Added |
| Envestnet Asset Management Inc | 2,556,583 | $90.4M | 0.04% | +2,263,120+771.2% | Added |
| Ensign Peak Advisors, Inc | 328,393 | $91.3M | 0.20% | +98,583+42.9% | Added |
| Adage Capital Partners GP, L.L.C. | 332,023 | $92.3M | 0.21% | +109,424+49.2% | Added |
| Employees Provident Fund Board | 345,000 | $95.9M | 2.48% | 00.0% | Unchanged |
| Credit Suisse AG | 349,093 | $97.1M | 0.10% | −11,263−3.1% | Reduced |
| Paradigm Biocapital Advisors LP | 349,593 | $97.2M | 9.21% | +110,821+46.4% | Added |
| Assenagon Asset Management S.A. | 355,535 | $98.8M | 0.39% | −175,877−33.1% | Reduced |
| Robeco Institutional Asset Management B.V. | 361,447 | $100.5M | 0.27% | +48,290+15.4% | Added |
| LSV Asset Management | 366,454 | $101.9M | 0.23% | +7,600+2.1% | Added |
| American Century Companies Inc | 373,188 | $103.7M | 0.08% | −10,426−2.7% | Reduced |
| Palo Alto Investors LP | 381,282 | $106.0M | 8.78% | +1,200+0.3% | Added |
| First Trust Advisors LP | 385,592 | $107.2M | 0.12% | +110,309+40.1% | Added |
| Samlyn Capital, LLC | 399,090 | $111.0M | 2.04% | +132,127+49.5% | Added |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 408,912 | $113.7M | 0.39% | +23,502+6.1% | Added |
| AXA S.A. | 416,004 | $115.7M | 0.40% | +29,308+7.6% | Added |
| AQR Capital Management LLC | 422,486 | $117.0M | 0.26% | +224,668+113.6% | Added |
| Franklin Resources Inc | 425,686 | $118.4M | 0.06% | +3,602+0.9% | Added |
| Nordea Investment Management AB | 429,970 | $119.1M | 0.17% | +6,005+1.4% | Added |
| Sumitomo Mitsui Trust Holdings, Inc. | 441,497 | $122.7M | 0.09% | −78,298−15.1% | Reduced |
| Armistice Capital, LLC | 450,000 | $125.1M | 2.91% | +50,000+12.5% | Added |
| Barclays PLC | 457,843 | $127.3M | 0.13% | −164,885−26.5% | Reduced |
| Bank of America Corp | 485,910 | $135.1M | 0.02% | −10,427−2.1% | Reduced |
| OrbiMed Advisors LLC | 505,000 | $140.4M | 2.78% | +246,800+95.6% | Added |
| Millennium Management LLC | 513,392 | $142.7M | 0.17% | +174,807+51.6% | Added |
| Ra Capital Management, L.P. | 532,892 | $148.2M | 3.35% | 00.0% | Unchanged |
| Marshall Wace, LLP | 532,933 | $148.2M | 0.36% | −711,217−57.2% | Reduced |
| Swiss National Bank | 571,500 | $158.9M | 0.11% | −18,300−3.1% | Reduced |
| Amundi | 578,293 | $164.2M | 0.09% | −240,340−29.4% | Reduced |
| Nuveen Asset Management, LLC | 606,960 | $168.8M | 0.06% | +54,975+10.0% | Added |
| Farallon Capital Management, L.L.C. | 619,798 | $172.3M | 1.05% | +27,099+4.6% | Added |
| Sarissa Capital Management LP | 643,000 | $178.8M | 22.86% | 00.0% | Unchanged |
| Goldman Sachs Group Inc | 661,449 | $183.9M | 0.05% | −317,433−32.4% | Reduced |
| Point72 Asset Management, L.P. | 695,113 | $193.3M | 0.69% | −531,011−43.3% | Reduced |
| Allianz Asset Management GmbH | 699,269 | $194.4M | 0.41% | +117,635+20.2% | Added |
| Van Eck Associates Corp | 810,378 | $225.3M | 0.51% | +22,820+2.9% | Added |
| Charles Schwab Investment Management Inc | 844,382 | $234.8M | 0.07% | +8,088+1.0% | Added |
| Beutel, Goodman & Co Ltd. | 977,726 | $271.8M | 1.60% | +22,830+2.4% | Added |
| Invesco Ltd. | 1,023,927 | $284.7M | 0.08% | +103,448+11.2% | Added |
| Pictet Asset Management SA | 1,108,366 | $308.2M | 0.39% | +398,460+56.1% | Added |
| UBS Asset Management Americas Inc | 1,114,602 | $309.9M | 0.15% | +20,411+1.9% | Added |
| Renaissance Technologies LLC | 1,263,837 | $351.4M | 0.47% | +263,561+26.3% | Added |
| Morgan Stanley | 1,305,851 | $363.1M | 0.04% | −116,965−8.2% | Reduced |
| D. E. Shaw & Co., Inc. | 1,333,990 | $370.9M | 0.60% | −422,092−24.0% | Reduced |
| Legal & General Group Plc | 1,358,547 | $377.7M | 0.14% | −22,112−1.6% | Reduced |
| Norges Bank | 1,377,534 | $383.0M | 0.08% | +69,832+5.3% | Added |
| Dimensional Fund Advisors LP | 1,416,521 | $393.8M | 0.13% | +73,289+5.5% | Added |
| Bank of New York Mellon Corp | 1,474,178 | $409.9M | 0.09% | −38,778−2.6% | Reduced |
| Deutsche Bank AG | 1,641,748 | $456.5M | 0.25% | −209,366−11.3% | Reduced |
| Northern Trust Corp | 1,671,289 | $464.7M | 0.09% | −3800.0% | Reduced |
| FMR LLC | 1,752,614 | $487.3M | 0.04% | +541,421+44.7% | Added |
| Clearbridge Investments, LLC | 1,864,745 | $518.5M | 0.50% | +59,170+3.3% | Added |
| Price T Rowe Associates Inc | 2,088,356 | $580.6M | 0.09% | +691,843+49.5% | Added |
| Geode Capital Management, LLC | 3,102,735 | $860.8M | 0.11% | −239,595−7.2% | Reduced |
| JPMorgan Chase & Co | 4,108,863 | $1.14B | 0.15% | +1,838,556+81.0% | Added |
| Wellington Management Group LLP | 5,452,888 | $1.52B | 0.30% | +41,675+0.8% | Added |
| State Street Corp | 6,757,000 | $1.88B | 0.11% | −51,274−0.8% | Reduced |