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 | 1,015 | $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, 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 |
|---|---|---|---|---|---|
| Primecap Management Co | 16,001,166 | $4.45B | 3.88% | +300,590+1.9% | Added |
| BlackRock Inc. | 13,986,221 | $3.89B | 0.12% | −274,392−1.9% | Reduced |
| Vanguard Group Inc | 12,157,662 | $3.38B | 0.09% | +181,039+1.5% | Added |
| State Street Corp | 6,757,000 | $1.88B | 0.11% | −51,274−0.8% | Reduced |
| Wellington Management Group LLP | 5,452,888 | $1.52B | 0.30% | +41,675+0.8% | Added |
| JPMorgan Chase & Co | 4,108,863 | $1.14B | 0.15% | +1,838,556+81.0% | Added |
| Geode Capital Management, LLC | 3,102,735 | $860.8M | 0.11% | −239,595−7.2% | Reduced |
| Price T Rowe Associates Inc | 2,088,356 | $580.6M | 0.09% | +691,843+49.5% | Added |
| Clearbridge Investments, LLC | 1,864,745 | $518.5M | 0.50% | +59,170+3.3% | Added |
| FMR LLC | 1,752,614 | $487.3M | 0.04% | +541,421+44.7% | Added |
| Northern Trust Corp | 1,671,289 | $464.7M | 0.09% | −3800.0% | Reduced |
| Deutsche Bank AG | 1,641,748 | $456.5M | 0.25% | −209,366−11.3% | Reduced |
| Bank of New York Mellon Corp | 1,474,178 | $409.9M | 0.09% | −38,778−2.6% | Reduced |
| Dimensional Fund Advisors LP | 1,416,521 | $393.8M | 0.13% | +73,289+5.5% | Added |
| Norges Bank | 1,377,534 | $383.0M | 0.08% | +69,832+5.3% | Added |
| Legal & General Group Plc | 1,358,547 | $377.7M | 0.14% | −22,112−1.6% | Reduced |
| D. E. Shaw & Co., Inc. | 1,333,990 | $370.9M | 0.60% | −422,092−24.0% | Reduced |
| Morgan Stanley | 1,305,851 | $363.1M | 0.04% | −116,965−8.2% | Reduced |
| Renaissance Technologies LLC | 1,263,837 | $351.4M | 0.47% | +263,561+26.3% | Added |
| UBS Asset Management Americas Inc | 1,114,602 | $309.9M | 0.15% | +20,411+1.9% | Added |
| Pictet Asset Management SA | 1,108,366 | $308.2M | 0.39% | +398,460+56.1% | Added |
| Invesco Ltd. | 1,023,927 | $284.7M | 0.08% | +103,448+11.2% | Added |
| Beutel, Goodman & Co Ltd. | 977,726 | $271.8M | 1.60% | +22,830+2.4% | Added |
| Charles Schwab Investment Management Inc | 844,382 | $234.8M | 0.07% | +8,088+1.0% | Added |
| Van Eck Associates Corp | 810,378 | $225.3M | 0.51% | +22,820+2.9% | Added |
| Allianz Asset Management GmbH | 699,269 | $194.4M | 0.41% | +117,635+20.2% | Added |
| Point72 Asset Management, L.P. | 695,113 | $193.3M | 0.69% | −531,011−43.3% | Reduced |
| Goldman Sachs Group Inc | 661,449 | $183.9M | 0.05% | −317,433−32.4% | Reduced |
| Sarissa Capital Management LP | 643,000 | $178.8M | 22.86% | 00.0% | Unchanged |
| Farallon Capital Management, L.L.C. | 619,798 | $172.3M | 1.05% | +27,099+4.6% | Added |
| Nuveen Asset Management, LLC | 606,960 | $168.8M | 0.06% | +54,975+10.0% | Added |
| Amundi | 578,293 | $164.2M | 0.09% | −240,340−29.4% | Reduced |
| Swiss National Bank | 571,500 | $158.9M | 0.11% | −18,300−3.1% | Reduced |
| Marshall Wace, LLP | 532,933 | $148.2M | 0.36% | −711,217−57.2% | Reduced |
| Ra Capital Management, L.P. | 532,892 | $148.2M | 3.35% | 00.0% | Unchanged |
| Millennium Management LLC | 513,392 | $142.7M | 0.17% | +174,807+51.6% | Added |
| OrbiMed Advisors LLC | 505,000 | $140.4M | 2.78% | +246,800+95.6% | Added |
| Bank of America Corp | 485,910 | $135.1M | 0.02% | −10,427−2.1% | Reduced |
| Barclays PLC | 457,843 | $127.3M | 0.13% | −164,885−26.5% | Reduced |
| Armistice Capital, LLC | 450,000 | $125.1M | 2.91% | +50,000+12.5% | Added |
| Sumitomo Mitsui Trust Holdings, Inc. | 441,497 | $122.7M | 0.09% | −78,298−15.1% | Reduced |
| Nordea Investment Management AB | 429,970 | $119.1M | 0.17% | +6,005+1.4% | Added |
| Franklin Resources Inc | 425,686 | $118.4M | 0.06% | +3,602+0.9% | Added |
| AQR Capital Management LLC | 422,486 | $117.0M | 0.26% | +224,668+113.6% | Added |
| AXA S.A. | 416,004 | $115.7M | 0.40% | +29,308+7.6% | Added |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 408,912 | $113.7M | 0.39% | +23,502+6.1% | Added |
| Samlyn Capital, LLC | 399,090 | $111.0M | 2.04% | +132,127+49.5% | Added |
| First Trust Advisors LP | 385,592 | $107.2M | 0.12% | +110,309+40.1% | Added |
| Palo Alto Investors LP | 381,282 | $106.0M | 8.78% | +1,200+0.3% | Added |
| American Century Companies Inc | 373,188 | $103.7M | 0.08% | −10,426−2.7% | Reduced |
| LSV Asset Management | 366,454 | $101.9M | 0.23% | +7,600+2.1% | Added |
| Robeco Institutional Asset Management B.V. | 361,447 | $100.5M | 0.27% | +48,290+15.4% | Added |
| Assenagon Asset Management S.A. | 355,535 | $98.8M | 0.39% | −175,877−33.1% | Reduced |
| Paradigm Biocapital Advisors LP | 349,593 | $97.2M | 9.21% | +110,821+46.4% | Added |
| Credit Suisse AG | 349,093 | $97.1M | 0.10% | −11,263−3.1% | Reduced |
| Employees Provident Fund Board | 345,000 | $95.9M | 2.48% | 00.0% | Unchanged |
| Adage Capital Partners GP, L.L.C. | 332,023 | $92.3M | 0.21% | +109,424+49.2% | Added |
| Ensign Peak Advisors, Inc | 328,393 | $91.3M | 0.20% | +98,583+42.9% | Added |
| Envestnet Asset Management Inc | 2,556,583 | $90.4M | 0.04% | +2,263,120+771.2% | Added |
| Neuberger Berman Group LLC | 312,464 | $86.9M | 0.08% | +10,933+3.6% | Added |
| Carmignac Gestion | 310,100 | $86.2M | 1.44% | +310,100 | New |
| California Public Employees Retirement System | 309,617 | $86.1M | 0.08% | −62,275−16.7% | Reduced |
| Parnassus Investments | 305,808 | $85.0M | 0.21% | 00.0% | Unchanged |
| Two Sigma Advisers, LP | 301,200 | $83.7M | 0.22% | −503,100−62.6% | Reduced |
| Thrivent Financial for Lutherans | 297,142 | $82.6M | 0.20% | −1,466−0.5% | Reduced |
| UBS Group AG | 296,084 | $82.3M | 0.04% | +1,809+0.6% | Added |
| Alliancebernstein L.P. | 293,523 | $81.6M | 0.03% | +50,545+20.8% | Added |
| Arrowstreet Capital, Limited Partnership | 290,740 | $80.8M | 0.10% | −156,059−34.9% | Reduced |
| Royal Bank of Canada | 286,881 | $79.8M | 0.02% | −96,925−25.3% | Reduced |
| Prudential Financial Inc | 280,828 | $78.1M | 0.12% | +154,220+121.8% | Added |
| Rhumbline Advisers | 279,780 | $77.8M | 0.10% | +1,175+0.4% | Added |
| Candriam Luxembourg S.C.A. | 298,745 | $76.5M | 0.53% | +932+0.3% | Added |
| Erste Asset Management GmbH | 270,535 | $75.0M | 1.44% | +34,088+14.4% | Added |
| Fred Alger Management, LLC | 269,438 | $74.9M | 0.40% | −62,627−18.9% | Reduced |
| National Pension Service | 267,331 | $73.6M | 0.13% | +67,806+34.0% | Added |
| Russell Investments Group, Ltd. | 258,041 | $71.7M | 0.14% | −18,648−6.7% | Reduced |
| Wells Fargo & Company | 255,022 | $70.9M | 0.02% | −11,086−4.2% | Reduced |
| HSBC Holdings PLC | 250,080 | $69.5M | 0.09% | −31,858−11.3% | Reduced |
| Polar Capital Holdings Plc | 250,000 | $69.5M | 0.51% | +100,000+66.7% | Added |
| California State Teachers Retirement System | 247,784 | $68.9M | 0.10% | −3,738−1.5% | Reduced |
| Citadel Advisors LLC | 245,084 | $68.1M | 0.07% | −2,728−1.1% | Reduced |
| Man Group plc | – | $67.1M | 0.24% | – | – |
| Tekla Capital Management LLC | 240,926 | $67.0M | 2.55% | +45,496+23.3% | Added |
| Balyasny Asset Management LLC | 239,395 | $66.6M | 0.22% | +188,012+365.9% | Added |
| DekaBank Deutsche Girozentrale | 234,282 | $64.2M | 0.16% | +83,922+55.8% | Added |
| Citigroup Inc | 229,966 | $63.9M | 0.09% | +33,140+16.8% | Added |
| Braidwell LP | 220,742 | $61.4M | 2.02% | −31,800−12.6% | Reduced |
| BNP Paribas Arbitrage, SA | 218,649 | $60.8M | 0.13% | −55,714−20.3% | Reduced |
| Ameriprise Financial Inc | 210,840 | $58.6M | 0.02% | +86,919+70.1% | Added |
| Epoch Investment Partners, Inc. | 210,176 | $58.4M | 0.35% | −11,425−5.2% | Reduced |
| Panagora Asset Management Inc | 208,551 | $58.0M | 0.37% | +109,152+109.8% | Added |
| Bank of Montreal | 201,624 | $56.2M | 0.04% | −122,183−37.7% | Reduced |
| Deep Track Capital, LP | 200,000 | $55.6M | 2.36% | −100,000−33.3% | Reduced |
| Holocene Advisors, LP | 194,105 | $54.0M | 0.27% | +194,105 | New |
| United Capital Financial Advisers, LLC | 189,576 | $52.7M | 0.29% | −2,362−1.2% | Reduced |
| Saratoga Research & Investment Management | 183,329 | $51.0M | 2.42% | −720−0.4% | Reduced |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 181,520 | $50.5M | 0.25% | +31,483+21.0% | Added |
| Retirement Systems of Alabama | 179,463 | $49.9M | 0.22% | +33,331+22.8% | Added |
| State Board of Administration of Florida Retirement System | 178,436 | $49.6M | 0.12% | −3,680−2.0% | Reduced |
| Krensavage Asset Management, LLC | 177,126 | $49.2M | 14.96% | +122+0.1% | Added |