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, Q4 2021
Institutional positions in Biogen Inc. as of Dec 31, 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
- 1,014
- −7 vs. Q3 2021
- Shares held
- 123.9M
- +172.9K (+0.1%) vs. Q3 2021
- Total value
- $29.7B
- −$5.31B (−15.2%) vs. Q3 2021
- New holders
- 146
- 295 more added
- Sold out
- 153
- 395 more reduced
23 institutions that held it in Q3 2021 haven't filed for Q4 2021 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 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, Q4 2021
Shares, value and share of portfolio for each institution holding Biogen Inc.; share changes are against Q3 2021.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Farallon Capital Management, L.L.C. | 147,709 | $35.4M | 0.20% | −23,150−13.5% | Reduced |
| TD Asset Management Inc | 149,484 | $35.9M | 0.03% | +2,555+1.7% | Added |
| Polar Capital Holdings Plc | 150,000 | $36.0M | 0.19% | +25,000+20.0% | Added |
| Brandywine Global Investment Management, LLC | 150,320 | $36.1M | 0.26% | −2,688−1.8% | Reduced |
| Prudential Financial Inc | 154,328 | $37.1M | 0.05% | −3,409−2.2% | Reduced |
| HSBC Holdings PLC | 156,227 | $37.6M | 0.04% | +400+0.3% | Added |
| Caisse de Depot Et Placement du Quebec | 157,831 | $37.9M | 0.08% | +21,354+15.6% | Added |
| United Capital Financial Advisers, LLC | 160,179 | $38.4M | 0.18% | +3,538+2.3% | Added |
| Jane Street Group, LLC | 160,491 | $38.5M | 0.07% | +66,321+70.4% | Added |
| Mitsubishi UFJ Trust & Banking Corp | 161,781 | $38.8M | 0.08% | −24,082−13.0% | Reduced |
| BNP Paribas Arbitrage, SA | 164,508 | $39.5M | 0.09% | +66,348+67.6% | Added |
| Railway Pension Investments Ltd | 166,422 | $39.9M | 0.30% | −89,200−34.9% | Reduced |
| Tobam | 167,379 | $40.2M | 1.81% | +37,610+29.0% | Added |
| Panagora Asset Management Inc | 170,767 | $41.0M | 0.22% | +102,527+150.2% | Added |
| Principal Financial Group Inc | 172,562 | $41.4M | 0.02% | −6,952−3.9% | Reduced |
| New York State Teachers Retirement System | 176,113 | $42.3M | 0.08% | −7,010−3.8% | Reduced |
| Samlyn Capital, LLC | 179,495 | $43.1M | 0.66% | +57,160+46.7% | Added |
| Adage Capital Partners GP, L.L.C. | 181,499 | $43.5M | 0.08% | +68,400+60.5% | Added |
| FMR LLC | 187,301 | $44.9M | 0.00% | −990,252−84.1% | Reduced |
| Swedbank AB | 190,476 | $45.7M | 0.08% | −20,388−9.7% | Reduced |
| Robeco Institutional Asset Management B.V. | 191,265 | $45.9M | 0.10% | +19,104+11.1% | Added |
| AustralianSuper Pty Ltd | 191,861 | $46.4M | 0.26% | −63,136−24.8% | Reduced |
| Alliancebernstein L.P. | 193,708 | $46.5M | 0.02% | −43,928−18.5% | Reduced |
| DekaBank Deutsche Girozentrale | 188,527 | $46.5M | 0.11% | +63,926+51.3% | Added |
| Parallax Volatility Advisers, L.P. | 194,146 | $46.6M | 0.57% | +118,088+155.3% | Added |
| State Board of Administration of Florida Retirement System | 198,623 | $47.7M | 0.09% | −3,843−1.9% | Reduced |
| Brown Advisory Inc | 199,326 | $47.8M | 0.06% | +143,819+259.1% | Added |
| Massachusetts Financial Services Co | 209,543 | $50.3M | 0.01% | +5,561+2.7% | Added |
| Employees Provident Fund Board | 212,569 | $51.0M | 0.84% | 00.0% | Unchanged |
| Great West Life Assurance Co | 213,387 | $51.1M | 0.11% | −28,387−11.7% | Reduced |
| Man Group plc | 213,448 | $51.2M | 0.16% | +37,009+21.0% | Added |
| Natixis | 215,674 | $51.7M | 0.18% | +127,089+143.5% | Added |
| Candriam Luxembourg S.C.A. | 217,877 | $52.3M | 0.33% | −54,766−20.1% | Reduced |
| Envestnet Asset Management Inc | 218,221 | $52.4M | 0.03% | −16,128−6.9% | Reduced |
| AXA S.A. | 221,553 | $53.2M | 0.14% | +11,866+5.7% | Added |
| OrbiMed Advisors LLC | 230,200 | $55.2M | 0.72% | −4,000−1.7% | Reduced |
| Caption Management, LLC | 235,000 | $56.4M | 3.50% | +11,700+5.2% | Added |
| Saratoga Research & Investment Management | 235,191 | $56.4M | 2.40% | −5,133−2.1% | Reduced |
| Canada Pension Plan Investment Board | 242,129 | $58.1M | 0.06% | −26,686−9.9% | Reduced |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 243,662 | $58.5M | 0.20% | −59,318−19.6% | Reduced |
| National Pension Service | 246,441 | $59.1M | 0.10% | −1,051−0.4% | Reduced |
| Camber Capital Management LP | 250,000 | $60.0M | 2.31% | +175,000+233.3% | Added |
| SEI Investments Co | 253,960 | $60.8M | 0.11% | +44,012+21.0% | Added |
| Erste Asset Management GmbH | 248,665 | $61.0M | 1.10% | +15,015+6.4% | Added |
| Thrivent Financial for Lutherans | 259,277 | $62.2M | 0.12% | +31,661+13.9% | Added |
| New York State Common Retirement Fund | 272,031 | $65.3M | 0.07% | −5,682−2.0% | Reduced |
| Rhumbline Advisers | 273,699 | $65.7M | 0.08% | +4,266+1.6% | Added |
| California State Teachers Retirement System | 273,845 | $65.7M | 0.08% | +7,466+2.8% | Added |
| Royal Bank of Canada | 279,913 | $67.2M | 0.02% | −11,106−3.8% | Reduced |
| Bank of Montreal | 278,680 | $68.3M | 0.04% | −9,019−3.1% | Reduced |
| ProShare Advisors LLC | 295,682 | $70.9M | 0.14% | +81,691+38.2% | Added |
| Credit Suisse AG | 298,429 | $71.6M | 0.06% | +6,454+2.2% | Added |
| Janus Henderson Group PLC | 301,445 | $72.3M | 0.03% | +164,593+120.3% | Added |
| Boston Partners | 313,782 | $75.3M | 0.09% | −18,807−5.7% | Reduced |
| Sprucegrove Investment Management Ltd | 323,500 | $77.6M | 1.96% | +89,500+38.2% | Added |
| AQR Capital Management LLC | 328,221 | $78.7M | 0.14% | −22,639−6.5% | Reduced |
| First Trust Advisors LP | 345,349 | $82.9M | 0.08% | +16,541+5.0% | Added |
| Assenagon Asset Management S.A. | 346,269 | $83.1M | 0.31% | −405,120−53.9% | Reduced |
| LSV Asset Management | 355,022 | $85.2M | 0.15% | −6,580−1.8% | Reduced |
| UBS Group AG | 362,112 | $86.9M | 0.03% | +48,149+15.3% | Added |
| Citigroup Inc | 382,734 | $91.8M | 0.08% | +112,061+41.4% | Added |
| Palo Alto Investors LP | 385,000 | $92.4M | 5.90% | +23,400+6.5% | Added |
| Wells Fargo & Company | 400,979 | $96.2M | 0.02% | −172,597−30.1% | Reduced |
| Susquehanna International Group, LLP | 411,169 | $98.6M | 0.15% | +20,103+5.1% | Added |
| Millennium Management LLC | 412,888 | $99.1M | 0.11% | +141,069+51.9% | Added |
| California Public Employees Retirement System | 450,741 | $108.1M | 0.07% | −17,527−3.7% | Reduced |
| Parnassus Investments | 452,053 | $108.5M | 0.21% | 00.0% | Unchanged |
| HealthCor Management, L.P. | 453,400 | $108.8M | 6.01% | −13,430−2.9% | Reduced |
| Nordea Investment Management AB | 451,111 | $109.2M | 0.13% | −5,875−1.3% | Reduced |
| Two Sigma Advisers, LP | 455,200 | $109.2M | 0.27% | +404,500+797.8% | Added |
| Armistice Capital, LLC | 460,000 | $110.4M | 2.68% | +88,000+23.7% | Added |
| Franklin Resources Inc | 461,482 | $110.7M | 0.04% | −24,813−5.1% | Reduced |
| Allianz Asset Management GmbH | 467,869 | $112.3M | 0.08% | +155,845+49.9% | Added |
| Two Sigma Investments, LP | 477,661 | $114.6M | 0.28% | +338,031+242.1% | Added |
| Parametric Portfolio Associates LLC | 486,074 | $116.6M | 0.06% | −112,457−18.8% | Reduced |
| Pictet Asset Management SA | 503,326 | $120.8M | 0.12% | −173,436−25.6% | Reduced |
| Bellevue Group AG | 525,000 | $126.0M | 1.30% | −2,000−0.4% | Reduced |
| Sumitomo Mitsui Trust Holdings, Inc. | 552,001 | $132.4M | 0.08% | +86,382+18.6% | Added |
| Swiss National Bank | 566,572 | $135.9M | 0.08% | −28,700−4.8% | Reduced |
| Nuveen Asset Management, LLC | 569,166 | $136.6M | 0.04% | −1,438−0.3% | Reduced |
| D. E. Shaw & Co., Inc. | 596,961 | $143.2M | 0.17% | +220,470+58.6% | Added |
| Point72 Asset Management, L.P. | 611,500 | $146.7M | 0.65% | +580,648+1,882.0% | Added |
| Sarissa Capital Management LP | 643,000 | $154.3M | 13.35% | 00.0% | Unchanged |
| Ameriprise Financial Inc | 670,925 | $159.8M | 0.04% | +290,289+76.3% | Added |
| Charles Schwab Investment Management Inc | 741,737 | $178.0M | 0.05% | +10,539+1.4% | Added |
| Morgan Stanley | 780,480 | $187.3M | 0.02% | +26,765+3.6% | Added |
| Amundi | 803,594 | $190.2M | 0.12% | −51,409−6.0% | Reduced |
| Van Eck Associates Corp | 798,929 | $191.7M | 0.44% | +158,854+24.8% | Added |
| Barclays PLC | 816,571 | $195.9M | 0.12% | +431,657+112.1% | Added |
| American Century Companies Inc | 855,772 | $205.3M | 0.13% | −283,047−24.9% | Reduced |
| Southeastern Asset Management IncSuperinvestorSoutheastern Asset Management (Longleaf) | 858,523 | $206.0M | 3.46% | +858,523 | New |
| Bank of America Corp | 910,901 | $218.5M | 0.02% | +168,052+22.6% | Added |
| Beutel, Goodman & Co Ltd. | 913,536 | $219.2M | 1.25% | +363,520+66.1% | Added |
| Goldman Sachs Group Inc | 949,240 | $227.7M | 0.06% | +149,312+18.7% | Added |
| Arrowstreet Capital, Limited Partnership | 965,862 | $231.7M | 0.28% | +691,743+252.4% | Added |
| Renaissance Technologies LLC | 1,073,807 | $257.6M | 0.32% | +92,100+9.4% | Added |
| Invesco Ltd. | 1,131,063 | $271.4M | 0.07% | +140,484+14.2% | Added |
| Price T Rowe Associates Inc | 1,131,357 | $271.4M | 0.02% | −652,779−36.6% | Reduced |
| UBS Asset Management Americas Inc | 1,159,302 | $278.1M | 0.11% | −85,684−6.9% | Reduced |
| Dimensional Fund Advisors LP | 1,192,250 | $286.0M | 0.09% | +62,060+5.5% | Added |