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, Q3 2023
Institutional positions in Biogen Inc. as of Sep 30, 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
- 966
- −27 vs. Q2 2023
- Shares held
- 125.0M
- −292.7K (−0.2%) vs. Q2 2023
- Total value
- $32.2B
- −$3.51B (−9.8%) vs. Q2 2023
- New holders
- 91
- 333 more added
- Sold out
- 118
- 346 more reduced
16 institutions that held it in Q2 2023 haven't filed for Q3 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q2 2023: 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, Q3 2023
Shares, value and share of portfolio for each institution holding Biogen Inc.; share changes are against Q2 2023.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Primecap Management Co | 16,012,566 | $4.12B | 3.47% | −13,310−0.1% | Reduced |
| BlackRock Inc. | 13,974,587 | $3.59B | 0.10% | −91,407−0.6% | Reduced |
| Vanguard Group Inc | 12,188,586 | $3.13B | 0.08% | −7,850−0.1% | Reduced |
| State Street Corp | 6,865,654 | $1.76B | 0.10% | −19,561−0.3% | Reduced |
| Wellington Management Group LLP | 5,374,310 | $1.38B | 0.28% | +27,951+0.5% | Added |
| JPMorgan Chase & Co | 4,985,752 | $1.28B | 0.15% | +514,565+11.5% | Added |
| T. Rowe Price Investment Management, Inc. | 4,754,991 | $1.22B | 0.86% | +1,355,921+39.9% | Added |
| Geode Capital Management, LLC | 3,236,887 | $830.2M | 0.10% | +53,208+1.7% | Added |
| Clearbridge Investments, LLC | 1,823,182 | $468.6M | 0.45% | −4,482−0.2% | Reduced |
| Northern Trust Corp | 1,643,035 | $422.3M | 0.08% | +45,437+2.8% | Added |
| Norges Bank | 1,529,096 | $393.0M | 0.08% | +89,871+6.2% | Added |
| Morgan Stanley | 1,493,113 | $383.7M | 0.04% | +61,814+4.3% | Added |
| Bank of New York Mellon Corp | 1,430,132 | $367.6M | 0.08% | −39,363−2.7% | Reduced |
| Dimensional Fund Advisors LP | 1,381,215 | $355.0M | 0.12% | +35,473+2.6% | Added |
| FMR LLC | 1,361,051 | $349.8M | 0.03% | −1,279,470−48.5% | Reduced |
| Legal & General Group Plc | 1,339,078 | $344.2M | 0.12% | −30,443−2.2% | Reduced |
| Pictet Asset Management Holding SA | 1,212,482 | $311.6M | 0.38% | +1,212,482 | New |
| Van Eck Associates Corp | 1,189,546 | $305.7M | 0.67% | +233,889+24.5% | Added |
| Invesco Ltd. | 1,181,374 | $303.6M | 0.08% | +189,368+19.1% | Added |
| Price T Rowe Associates Inc | 1,163,530 | $299.0M | 0.04% | +34,888+3.1% | Added |
| Amundi | 1,093,524 | $286.8M | 0.14% | −93,789−7.9% | Reduced |
| Renaissance Technologies LLC | 1,086,397 | $279.2M | 0.48% | −23,140−2.1% | Reduced |
| UBS Asset Management Americas Inc | 1,065,518 | $273.8M | 0.12% | −49,084−4.4% | Reduced |
| Beutel, Goodman & Co Ltd. | 999,276 | $256.8M | 1.52% | −700.0% | Reduced |
| Deutsche Bank AG | 936,482 | $240.7M | 0.16% | −268,701−22.3% | Reduced |
| American Century Companies Inc | 898,928 | $231.0M | 0.18% | +200,310+28.7% | Added |
| Charles Schwab Investment Management Inc | 848,690 | $218.1M | 0.06% | −1,511−0.2% | Reduced |
| Goldman Sachs Group Inc | 790,845 | $203.3M | 0.05% | −34,820−4.2% | Reduced |
| Allianz Asset Management GmbH | 772,358 | $198.5M | 0.40% | +20,147+2.7% | Added |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 660,546 | $169.8M | 0.52% | +108,841+19.7% | Added |
| Sarissa Capital Management LP | 643,000 | $165.3M | 22.26% | 00.0% | Unchanged |
| Franklin Resources Inc | 628,534 | $161.5M | 0.08% | +185,742+41.9% | Added |
| Nuveen Asset Management, LLC | 582,753 | $149.8M | 0.05% | −23,851−3.9% | Reduced |
| OrbiMed Advisors LLC | 556,800 | $143.1M | 3.31% | 00.0% | Unchanged |
| Ra Capital Management, L.P. | 532,892 | $137.0M | 2.70% | 00.0% | Unchanged |
| Swiss National Bank | 465,600 | $119.7M | 0.09% | −56,300−10.8% | Reduced |
| Massachusetts Financial Services Co | 446,602 | $114.8M | 0.04% | +300,086+204.8% | Added |
| Employees Provident Fund Board | 442,416 | $113.7M | 2.58% | +154,916+53.9% | Added |
| Alyeska Investment Group, L.P. | 442,076 | $113.6M | 0.78% | +74,808+20.4% | Added |
| AXA S.A. | 441,249 | $113.4M | 0.40% | +1,047+0.2% | Added |
| Samlyn Capital, LLC | 420,355 | $108.0M | 1.91% | +25,083+6.3% | Added |
| UBS Group AG | 419,798 | $107.9M | 0.05% | +27,066+6.9% | Added |
| First Trust Advisors LP | 405,513 | $104.2M | 0.12% | −6,186−1.5% | Reduced |
| Barclays PLC | 395,676 | $101.7M | 0.07% | −192,085−32.7% | Reduced |
| Palo Alto Investors LP | 381,282 | $98.0M | 9.27% | 00.0% | Unchanged |
| Sumitomo Mitsui Trust Holdings, Inc. | 378,509 | $97.3M | 0.08% | −1,732−0.5% | Reduced |
| Parnassus Investments | 360,742 | $92.7M | 0.23% | +54,934+18.0% | Added |
| Bank of America Corp | 354,093 | $91.0M | 0.01% | +27,914+8.6% | Added |
| Credit Suisse AG | 348,711 | $89.6M | 0.09% | −2,685−0.8% | Reduced |
| LSV Asset Management | 344,652 | $88.6M | 0.21% | −8,772−2.5% | Reduced |
| Robeco Institutional Asset Management B.V. | 341,810 | $87.8M | 0.23% | −1,407−0.4% | Reduced |
| Carmignac Gestion | 309,100 | $79.4M | 1.46% | −1,000−0.3% | Reduced |
| AQR Capital Management LLC | 306,679 | $78.8M | 0.16% | −29,709−8.8% | Reduced |
| Royal Bank of Canada | 306,554 | $78.8M | 0.02% | −45,986−13.0% | Reduced |
| Polar Capital Holdings Plc | 300,000 | $77.1M | 0.57% | −25,000−7.7% | Reduced |
| Envestnet Asset Management Inc | 299,051 | $76.9M | 0.04% | −13,824−4.4% | Reduced |
| National Pension Service | 295,942 | $76.4M | 0.12% | +14,730+5.2% | Added |
| DekaBank Deutsche Girozentrale | 284,129 | $72.9M | 0.17% | +45,530+19.1% | Added |
| California Public Employees Retirement System | 281,163 | $72.3M | 0.06% | +6,532+2.4% | Added |
| TD Asset Management Inc | 281,028 | $72.2M | 0.09% | +64,844+30.0% | Added |
| Thrivent Financial for Lutherans | 280,647 | $72.1M | 0.17% | −8,657−3.0% | Reduced |
| D. E. Shaw & Co., Inc. | 278,838 | $71.7M | 0.12% | −567,606−67.1% | Reduced |
| Rhumbline Advisers | 278,552 | $71.6M | 0.08% | −2,184−0.8% | Reduced |
| Armistice Capital, LLC | 276,788 | $71.1M | 2.11% | +20,788+8.1% | Added |
| Erste Asset Management GmbH | 274,629 | $70.6M | 1.22% | +1,533+0.6% | Added |
| Macquarie Group Ltd | 273,107 | $70.2M | 0.09% | +207,708+317.6% | Added |
| HSBC Holdings PLC | 272,634 | $70.1M | 0.08% | −10,875−3.8% | Reduced |
| Alliancebernstein L.P. | 251,504 | $64.6M | 0.03% | +11,105+4.6% | Added |
| Canada Pension Plan Investment Board | 245,210 | $63.0M | 0.09% | +92,400+60.5% | Added |
| Prudential Financial Inc | 235,810 | $60.6M | 0.09% | +69,345+41.7% | Added |
| Candriam Luxembourg S.C.A. | 233,959 | $60.1M | 0.49% | +620.0% | Added |
| Balyasny Asset Management LLC | 230,411 | $59.2M | 0.17% | +170,423+284.1% | Added |
| California State Teachers Retirement System | 226,333 | $58.2M | 0.09% | −7,220−3.1% | Reduced |
| Citigroup Inc | 221,758 | $57.0M | 0.08% | −13,144−5.6% | Reduced |
| Nordea Investment Management AB | 217,988 | $56.4M | 0.08% | +78,335+56.1% | Added |
| Ameriprise Financial Inc | 218,365 | $56.1M | 0.02% | +19,638+9.9% | Added |
| Wells Fargo & Company | 214,673 | $55.2M | 0.02% | −35,155−14.1% | Reduced |
| Ensign Peak Advisors, Inc | 214,472 | $55.1M | 0.12% | −120,836−36.0% | Reduced |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 214,400 | $55.1M | 0.24% | +15,627+7.9% | Added |
| Verition Fund Management LLC | 212,036 | $54.5M | 0.73% | +41,808+24.6% | Added |
| Bank of Montreal | 206,843 | $53.9M | 0.03% | −10,272−4.7% | Reduced |
| ExodusPoint Capital Management, LP | 209,160 | $53.8M | 0.69% | +152,308+267.9% | Added |
| Virginia Retirement Systems Et Al | 198,804 | $51.1M | 0.50% | +14,200+7.7% | Added |
| Arrowstreet Capital, Limited Partnership | 196,954 | $50.6M | 0.06% | −98,889−33.4% | Reduced |
| PFM Health Sciences, LP | 186,635 | $48.0M | 2.29% | −11,699−5.9% | Reduced |
| Epoch Investment Partners, Inc. | 186,046 | $47.8M | 0.30% | −16,970−8.4% | Reduced |
| Saratoga Research & Investment Management | 176,064 | $45.3M | 2.21% | −2,979−1.7% | Reduced |
| Retirement Systems of Alabama | 169,646 | $43.6M | 0.20% | −151−0.1% | Reduced |
| Brown Advisory Inc | 169,022 | $43.4M | 0.07% | +4,219+2.6% | Added |
| ProShare Advisors LLC | 168,401 | $43.3M | 0.13% | +18,807+12.6% | Added |
| Principal Financial Group Inc | 167,675 | $43.1M | 0.03% | −2,535−1.5% | Reduced |
| United Capital Financial Advisers, LLC | 165,639 | $42.6M | 0.28% | −21,170−11.3% | Reduced |
| Mirae Asset Global Investments Co., Ltd. | 164,443 | $42.3M | 0.09% | +23,282+16.5% | Added |
| BNP Paribas Arbitrage, SA | 163,521 | $42.0M | 0.09% | +24,847+17.9% | Added |
| Great West Life Assurance Co | 162,161 | $41.7M | 0.10% | +3,504+2.2% | Added |
| Lord, Abbett & Co. LLC | 161,365 | $41.5M | 0.15% | +25,818+19.0% | Added |
| Krensavage Asset Management, LLC | 160,480 | $41.2M | 15.19% | −16,346−9.2% | Reduced |
| State Board of Administration of Florida Retirement System | 160,065 | $41.1M | 0.10% | −15,637−8.9% | Reduced |
| Russell Investments Group, Ltd. | 154,588 | $39.7M | 0.08% | −32,889−17.5% | Reduced |
| Raymond James & Associates | 152,260 | $39.1M | 0.03% | +8,029+5.6% | Added |