BiogenBIIB
13F holders, Q2 2025 (June 30)866holders −17
80new positions
100sold out
9famous investors
$125.59avg. 13F price*
At the end of Q2 2025, 866 institutions reported holding Biogen Inc. (BIIB) in their 13F filings, down 17 from Q1 2025. 80 opened new positions and 100 sold out. The largest holders were Vanguard Group Inc. ($2.2B), Primecap Management Co. ($2.0B) and BlackRock, Inc. ($1.7B). 9 famous investors held it, including Steve Cohen (1.2% of Point72 Asset Management's portfolio), David E. Shaw (0.2% of D. E. Shaw & Co.'s portfolio) and Jim Simons / Peter Brown (0.2% of Renaissance Technologies's portfolio).
- Company
- Biogen Inc.
- Sector
- Health Care
- CUSIP
- 09062X103
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q1 2025 → Q2 2025
| Institutions | Total Value | |
|---|---|---|
| New Positions | 80 | $152.1M |
| Exits | 100 | $109.6M |
All 13F filers, Q1 2025 → Q2 2025: 11,913,723 shares bought and 11,574,827 shares sold, net +338,896 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 866 holders
| Vanguard Group Inc. | 0.04% | Add +1.5% | 17,290,651 | $2.2B |
| Primecap Management Co. | 1.57% | Reduce -0.9% | 15,802,122 | $2.0B |
| BlackRock, Inc. | 0.03% | Reduce -10.9% | 13,555,466 | $1.7B |
| State Street Corp. | 0.04% | Add +1.0% | 7,468,807 | $938.0M |
| Wellington Management Group LLP | 0.11% | Add +2.7% | 4,798,420 | $602.6M |
| Geode Capital Management, LLC | 0.03% | Add +1.9% | 3,918,150 | $490.1M |
| Point72 Asset Management | 1.20% | Add +840.9% | 3,831,727 | $481.2M |
| Invesco Ltd. | 0.05% | Add +2.4% | 2,320,126 | $291.4M |
| Norges Bank | 0.04% | Add +5.1% | 2,264,177 | $284.4M |
| Morgan Stanley | 0.02% | Reduce -1.7% | 1,956,210 | $245.7M |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 0.04% | Add +15.4% | 1,743,209 | $218.9M |
| FMR LLC | 0.01% | Add +27.9% | 1,674,220 | $210.3M |
| Northern Trust Corp. | 0.03% | Add +2.4% | 1,536,980 | $193.0M |
| Legal & General Group Plc | 0.05% | Add +12.6% | 1,446,816 | $181.7M |
| T. Rowe Price Investment Management, Inc. | 0.11% | Reduce -47.6% | 1,394,476 | $175.1M |
| D. E. Shaw & Co. | 0.18% | Reduce -13.8% | 1,366,207 | $171.6M |
| AQR Capital Management | 0.14% | Reduce -0.3% | 1,364,805 | $171.4M |
| Pacer Advisors, Inc. | 0.43% | Reduce -2.4% | 1,319,991 | $165.8M |
| Deutsche Bank AG | 0.05% | Add +19.4% | 1,123,178 | $141.1M |
| Charles Schwab Investment Management Inc. | 0.02% | Add +5.5% | 1,075,757 | $135.1M |
| Van Eck Associates Corp. | 0.15% | Add +0.1% | 1,074,811 | $135.0M |
| Bank of America Corp. | 0.01% | Add +45.7% | 1,063,391 | $133.6M |
| Renaissance Technologies | 0.17% | Add +29.9% | 1,045,106 | $131.3M |
| JPMorgan Chase & Co. | 0.01% | Reduce -31.5% | 1,002,502 | $125.9M |
| Dimensional Fund Advisors LP | 0.03% | Reduce -5.9% | 928,496 | $116.6M |
| Bank of New York Mellon Corp | 0.02% | Reduce -5.2% | 904,054 | $113.5M |
| First Trust Advisors LP | 0.09% | Add +32.1% | 873,823 | $109.7M |
| T. Rowe Price Associates Inc. | 0.01% | Reduce -27.6% | 833,927 | $104.7M |
| Balyasny Asset Management L.P. | 0.24% | Add +5.8% | 831,905 | $104.5M |
| Barclays PLC | 0.04% | Reduce -13.1% | 797,655 | $100.2M |
| Man Group plc | 0.22% | Add +3.6% | 793,282 | $99.6M |
| Qube Research & Technologies Ltd | 0.13% | Reduce -39.4% | 743,309 | $93.4M |
| AustralianSuper Pty Ltd | 0.47% | Add +85.9% | 739,416 | $92.9M |
| Massachusetts Financial Services Co. | 0.03% | Add +1.3% | 717,631 | $90.1M |
| Employees Provident Fund Board | 0.76% | No change | 704,196 | $88.4M |
| Millennium Management | 0.08% | Add +59.3% | 675,502 | $84.8M |
| Goldman Sachs Group Inc. | 0.01% | Add +10.9% | 670,852 | $84.3M |
| Arrowstreet Capital, Limited Partnership | 0.06% | Add +190.7% | 624,371 | $78.4M |
| Amundi | 0.03% | Reduce -55.9% | 579,797 | $77.2M |
| Citadel Advisors | 0.07% | Add +12.3% | 608,590 | $76.4M |
| Susquehanna International Group, LLP | 0.11% | Add +121.4% | 594,099 | $74.6M |
| Allianz Asset Management GmbH | 0.09% | Reduce -21.1% | 527,060 | $66.2M |
| Alyeska Investment Group, L.P. | 0.23% | New | 508,773 | $63.9M |
| Two Sigma Investments, LP | 0.12% | Reduce -42.3% | 507,539 | $63.7M |
| Royal Bank of Canada | 0.01% | Add +50.1% | 496,152 | $62.3M |
| Causeway Capital Management LLC | 0.98% | Add +13.8% | 493,355 | $62.0M |
| Two Sigma Advisers, LP | 0.12% | Reduce -32.8% | 455,500 | $57.2M |
| Robeco Institutional Asset Management B.V. | 0.09% | Reduce -1.1% | 448,757 | $56.4M |
| UBS Group AG | 0.01% | Reduce -31.0% | 445,684 | $56.0M |
| Swiss National Bank | 0.03% | Add +7.8% | 443,100 | $55.6M |
| HSBC Holdings PLC | 0.04% | Reduce -8.4% | 443,269 | $55.6M |
| Sumitomo Mitsui Trust Group, Inc. | 0.03% | Reduce -0.5% | 414,830 | $52.1M |
| BNP Paribas Financial Markets | 0.04% | Add +7.9% | 394,999 | $49.6M |
| Prudential Financial Inc. | 0.06% | Reduce -7.8% | 387,829 | $48.7M |
| Nuveen, LLC | 0.01% | Add +133.3% | 341,659 | $42.9M |
| California Public Employees Retirement System | 0.03% | Reduce -12.0% | 339,050 | $42.6M |
| Thompson Siegel & Walmsley LLC | 0.68% | Add +25.5% | 323,018 | $40.6M |
| Patient Capital Management, LLC | 1.82% | Reduce -29.7% | 320,466 | $40.2M |
| Rhumbline Advisers | 0.03% | Add +1.3% | 300,147 | $37.7M |
| Mitsubishi UFJ Asset Management Co., Ltd. | 0.03% | Add +7.6% | 294,269 | $37.0M |
| State of Michigan Retirement System | 0.19% | Add +633.7% | 291,303 | $36.6M |
| Fisher Asset Management | 0.01% | Reduce -3.3% | 289,137 | $36.3M |
| National Pension Service | 0.03% | Add +0.6% | 273,055 | $34.3M |
| Hudson Bay Capital Management LP | 0.25% | Add +33.5% | 267,740 | $33.6M |
| Canada Pension Plan Investment Board | 0.03% | Add +10.6% | 255,183 | $32.0M |
| LSV Asset Management | 0.07% | Add +4.1% | 251,959 | $31.6M |
| Adage Capital Partners Gp, L.L.C. | 0.05% | Add +250.4% | 247,937 | $31.1M |
| FIL Ltd | 0.03% | Add +103.6% | 244,332 | $30.7M |
| Russell Investments Group, Ltd. | 0.04% | Add +16.6% | 242,053 | $30.4M |
| California State Teachers Retirement System | 0.03% | Add +3.5% | 238,691 | $30.0M |
| ProShare Advisors LLC | 0.06% | Add +6.2% | 238,558 | $30.0M |
| Alliancebernstein L.P. | 0.01% | Add +0.9% | 231,108 | $29.0M |
| Pictet Asset Management Holding SA | 0.03% | Add +5.4% | 229,342 | $28.9M |
| Franklin Resources Inc. | 0.01% | Reduce -61.1% | 229,010 | $28.8M |
| Citigroup Inc. | 0.02% | Reduce -26.2% | 223,240 | $28.0M |
| Connor, Clark & Lunn Investment Management Ltd. | 0.10% | Reduce -21.6% | 217,738 | $27.3M |
| Swedbank AB | 0.03% | Reduce -2.0% | 213,719 | $26.8M |
| Palo Alto Investors LP | 5.50% | Add +0.4% | 205,759 | $25.8M |
| Logos Global Management LP | 3.36% | New | 200,000 | $25.1M |
| Acadian Asset Management LLC | 0.05% | Add +1036.1% | 199,462 | $25.0M |
| Rafferty Asset Management, LLC | 0.07% | Reduce -0.2% | 180,440 | $22.7M |
| KLP Kapitalforvaltning As | 0.09% | Add +6.7% | 166,577 | $20.9M |
| Wells Fargo & Company | 0.00% | Add +7.4% | 165,962 | $20.8M |
| Marshall Wace, LLP | 0.03% | Add +2712.8% | 165,955 | $20.8M |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 0.05% | Add +7.2% | 163,630 | $20.6M |
| Gotham Asset Management | 0.12% | Add +64.8% | 163,489 | $20.5M |
| Candriam S.C.A. | 0.12% | Reduce -12.6% | 163,315 | $20.5M |
| Principal Financial Group Inc. | 0.01% | Reduce -3.1% | 159,761 | $20.1M |
| Aberdeen Group plc | 0.03% | Add +6.8% | 156,755 | $19.7M |
| Montanova Capital, LLC | 0.72% | Add +25.8% | 151,890 | $19.1M |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 0.03% | Reduce -5.3% | 149,128 | $18.7M |
| DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main | 0.02% | Add +11.0% | 147,482 | $18.5M |
| National Bank of Canada | 0.02% | Reduce -28.9% | 143,212 | $18.0M |
| TD Asset Management Inc | 0.02% | Reduce -49.7% | 143,027 | $18.0M |
| New York State Common Retirement Fund | 0.02% | Add +6.9% | 140,245 | $17.6M |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | 0.03% | Reduce -3.3% | 139,832 | $17.6M |
| State Board of Administration of Florida Retirement System | 0.03% | Add +1.0% | 134,847 | $16.9M |
| CANADA LIFE ASSURANCE Co | 0.03% | Add +4.3% | 130,933 | $16.5M |
| ExodusPoint Capital Management, LP | 0.20% | Add +1265.7% | 129,491 | $16.3M |
| Ameriprise Financial Inc. | 0.00% | Add +22.9% | 126,056 | $15.8M |
"% of holder's portfolio" is BIIB's weight in each manager's 13F, not the share of Biogen Inc. the manager owns.