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, 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 | 1,046 | $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, 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 |
|---|---|---|---|---|---|
| Primecap Management Co | 15,757,405 | $3.78B | 2.62% | −501,510−3.1% | Reduced |
| BlackRock Inc. | 13,721,954 | $3.29B | 0.08% | −174,299−1.3% | Reduced |
| Vanguard Group Inc | 11,537,299 | $2.77B | 0.06% | −154,577−1.3% | Reduced |
| State Street Corp | 7,011,506 | $1.68B | 0.08% | +107,970+1.6% | Added |
| Wellington Management Group LLP | 6,184,455 | $1.48B | 0.24% | +606,735+10.9% | Added |
| JPMorgan Chase & Co | 4,536,480 | $1.09B | 0.13% | −1,068,817−19.1% | Reduced |
| Geode Capital Management, LLC | 2,745,331 | $657.0M | 0.08% | −29,935−1.1% | Reduced |
| Clearbridge Investments, LLC | 2,523,402 | $605.4M | 0.41% | −840,525−25.0% | Reduced |
| Northern Trust Corp | 1,692,122 | $406.0M | 0.07% | −66,768−3.8% | Reduced |
| Deutsche Bank AG | 1,566,220 | $375.8M | 0.17% | +184,738+13.4% | Added |
| Norges Bank | 1,555,205 | $373.1M | 0.08% | −66,806−4.1% | Reduced |
| Bank of New York Mellon Corp | 1,465,307 | $351.6M | 0.06% | −144,492−9.0% | Reduced |
| Legal & General Group Plc | 1,358,080 | $325.8M | 0.10% | −48,116−3.4% | Reduced |
| Dimensional Fund Advisors LP | 1,192,250 | $286.0M | 0.09% | +62,060+5.5% | Added |
| UBS Asset Management Americas Inc | 1,159,302 | $278.1M | 0.11% | −85,684−6.9% | Reduced |
| Price T Rowe Associates Inc | 1,131,357 | $271.4M | 0.02% | −652,779−36.6% | Reduced |
| Invesco Ltd. | 1,131,063 | $271.4M | 0.07% | +140,484+14.2% | Added |
| Renaissance Technologies LLC | 1,073,807 | $257.6M | 0.32% | +92,100+9.4% | Added |
| Arrowstreet Capital, Limited Partnership | 965,862 | $231.7M | 0.28% | +691,743+252.4% | Added |
| Goldman Sachs Group Inc | 949,240 | $227.7M | 0.06% | +149,312+18.7% | Added |
| Beutel, Goodman & Co Ltd. | 913,536 | $219.2M | 1.25% | +363,520+66.1% | Added |
| Bank of America Corp | 910,901 | $218.5M | 0.02% | +168,052+22.6% | Added |
| Southeastern Asset Management IncSuperinvestorSoutheastern Asset Management (Longleaf) | 858,523 | $206.0M | 3.46% | +858,523 | New |
| American Century Companies Inc | 855,772 | $205.3M | 0.13% | −283,047−24.9% | Reduced |
| Barclays PLC | 816,571 | $195.9M | 0.12% | +431,657+112.1% | Added |
| Van Eck Associates Corp | 798,929 | $191.7M | 0.44% | +158,854+24.8% | Added |
| Amundi | 803,594 | $190.2M | 0.12% | −51,409−6.0% | Reduced |
| Morgan Stanley | 780,480 | $187.3M | 0.02% | +26,765+3.6% | Added |
| Charles Schwab Investment Management Inc | 741,737 | $178.0M | 0.05% | +10,539+1.4% | Added |
| Ameriprise Financial Inc | 670,925 | $159.8M | 0.04% | +290,289+76.3% | Added |
| Sarissa Capital Management LP | 643,000 | $154.3M | 13.35% | 00.0% | Unchanged |
| Point72 Asset Management, L.P. | 611,500 | $146.7M | 0.65% | +580,648+1,882.0% | Added |
| D. E. Shaw & Co., Inc. | 596,961 | $143.2M | 0.17% | +220,470+58.6% | Added |
| Nuveen Asset Management, LLC | 569,166 | $136.6M | 0.04% | −1,438−0.3% | Reduced |
| Swiss National Bank | 566,572 | $135.9M | 0.08% | −28,700−4.8% | Reduced |
| Sumitomo Mitsui Trust Holdings, Inc. | 552,001 | $132.4M | 0.08% | +86,382+18.6% | Added |
| Bellevue Group AG | 525,000 | $126.0M | 1.30% | −2,000−0.4% | Reduced |
| Pictet Asset Management SA | 503,326 | $120.8M | 0.12% | −173,436−25.6% | Reduced |
| Parametric Portfolio Associates LLC | 486,074 | $116.6M | 0.06% | −112,457−18.8% | Reduced |
| Two Sigma Investments, LP | 477,661 | $114.6M | 0.28% | +338,031+242.1% | Added |
| Allianz Asset Management GmbH | 467,869 | $112.3M | 0.08% | +155,845+49.9% | Added |
| Franklin Resources Inc | 461,482 | $110.7M | 0.04% | −24,813−5.1% | Reduced |
| Armistice Capital, LLC | 460,000 | $110.4M | 2.68% | +88,000+23.7% | Added |
| Two Sigma Advisers, LP | 455,200 | $109.2M | 0.27% | +404,500+797.8% | Added |
| Nordea Investment Management AB | 451,111 | $109.2M | 0.13% | −5,875−1.3% | Reduced |
| HealthCor Management, L.P. | 453,400 | $108.8M | 6.01% | −13,430−2.9% | Reduced |
| Parnassus Investments | 452,053 | $108.5M | 0.21% | 00.0% | Unchanged |
| California Public Employees Retirement System | 450,741 | $108.1M | 0.07% | −17,527−3.7% | Reduced |
| Millennium Management LLC | 412,888 | $99.1M | 0.11% | +141,069+51.9% | Added |
| Susquehanna International Group, LLP | 411,169 | $98.6M | 0.15% | +20,103+5.1% | Added |
| Wells Fargo & Company | 400,979 | $96.2M | 0.02% | −172,597−30.1% | Reduced |
| Palo Alto Investors LP | 385,000 | $92.4M | 5.90% | +23,400+6.5% | Added |
| Citigroup Inc | 382,734 | $91.8M | 0.08% | +112,061+41.4% | Added |
| UBS Group AG | 362,112 | $86.9M | 0.03% | +48,149+15.3% | Added |
| LSV Asset Management | 355,022 | $85.2M | 0.15% | −6,580−1.8% | Reduced |
| Assenagon Asset Management S.A. | 346,269 | $83.1M | 0.31% | −405,120−53.9% | Reduced |
| First Trust Advisors LP | 345,349 | $82.9M | 0.08% | +16,541+5.0% | Added |
| AQR Capital Management LLC | 328,221 | $78.7M | 0.14% | −22,639−6.5% | Reduced |
| Sprucegrove Investment Management Ltd | 323,500 | $77.6M | 1.96% | +89,500+38.2% | Added |
| Boston Partners | 313,782 | $75.3M | 0.09% | −18,807−5.7% | Reduced |
| Janus Henderson Group PLC | 301,445 | $72.3M | 0.03% | +164,593+120.3% | Added |
| Credit Suisse AG | 298,429 | $71.6M | 0.06% | +6,454+2.2% | Added |
| ProShare Advisors LLC | 295,682 | $70.9M | 0.14% | +81,691+38.2% | Added |
| Bank of Montreal | 278,680 | $68.3M | 0.04% | −9,019−3.1% | Reduced |
| Royal Bank of Canada | 279,913 | $67.2M | 0.02% | −11,106−3.8% | Reduced |
| California State Teachers Retirement System | 273,845 | $65.7M | 0.08% | +7,466+2.8% | Added |
| Rhumbline Advisers | 273,699 | $65.7M | 0.08% | +4,266+1.6% | Added |
| New York State Common Retirement Fund | 272,031 | $65.3M | 0.07% | −5,682−2.0% | Reduced |
| Thrivent Financial for Lutherans | 259,277 | $62.2M | 0.12% | +31,661+13.9% | Added |
| Erste Asset Management GmbH | 248,665 | $61.0M | 1.10% | +15,015+6.4% | Added |
| SEI Investments Co | 253,960 | $60.8M | 0.11% | +44,012+21.0% | Added |
| Camber Capital Management LP | 250,000 | $60.0M | 2.31% | +175,000+233.3% | Added |
| National Pension Service | 246,441 | $59.1M | 0.10% | −1,051−0.4% | Reduced |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 243,662 | $58.5M | 0.20% | −59,318−19.6% | Reduced |
| Canada Pension Plan Investment Board | 242,129 | $58.1M | 0.06% | −26,686−9.9% | Reduced |
| Saratoga Research & Investment Management | 235,191 | $56.4M | 2.40% | −5,133−2.1% | Reduced |
| Caption Management, LLC | 235,000 | $56.4M | 3.50% | +11,700+5.2% | Added |
| OrbiMed Advisors LLC | 230,200 | $55.2M | 0.72% | −4,000−1.7% | Reduced |
| AXA S.A. | 221,553 | $53.2M | 0.14% | +11,866+5.7% | Added |
| Envestnet Asset Management Inc | 218,221 | $52.4M | 0.03% | −16,128−6.9% | Reduced |
| Candriam Luxembourg S.C.A. | 217,877 | $52.3M | 0.33% | −54,766−20.1% | Reduced |
| Natixis | 215,674 | $51.7M | 0.18% | +127,089+143.5% | Added |
| Man Group plc | 213,448 | $51.2M | 0.16% | +37,009+21.0% | Added |
| Great West Life Assurance Co | 213,387 | $51.1M | 0.11% | −28,387−11.7% | Reduced |
| Employees Provident Fund Board | 212,569 | $51.0M | 0.84% | 00.0% | Unchanged |
| Massachusetts Financial Services Co | 209,543 | $50.3M | 0.01% | +5,561+2.7% | Added |
| Brown Advisory Inc | 199,326 | $47.8M | 0.06% | +143,819+259.1% | Added |
| State Board of Administration of Florida Retirement System | 198,623 | $47.7M | 0.09% | −3,843−1.9% | Reduced |
| Parallax Volatility Advisers, L.P. | 194,146 | $46.6M | 0.57% | +118,088+155.3% | Added |
| DekaBank Deutsche Girozentrale | 188,527 | $46.5M | 0.11% | +63,926+51.3% | Added |
| Alliancebernstein L.P. | 193,708 | $46.5M | 0.02% | −43,928−18.5% | Reduced |
| AustralianSuper Pty Ltd | 191,861 | $46.4M | 0.26% | −63,136−24.8% | Reduced |
| Robeco Institutional Asset Management B.V. | 191,265 | $45.9M | 0.10% | +19,104+11.1% | Added |
| Swedbank AB | 190,476 | $45.7M | 0.08% | −20,388−9.7% | Reduced |
| FMR LLC | 187,301 | $44.9M | 0.00% | −990,252−84.1% | Reduced |
| Adage Capital Partners GP, L.L.C. | 181,499 | $43.5M | 0.08% | +68,400+60.5% | Added |
| Samlyn Capital, LLC | 179,495 | $43.1M | 0.66% | +57,160+46.7% | Added |
| New York State Teachers Retirement System | 176,113 | $42.3M | 0.08% | −7,010−3.8% | Reduced |
| Principal Financial Group Inc | 172,562 | $41.4M | 0.02% | −6,952−3.9% | Reduced |
| Panagora Asset Management Inc | 170,767 | $41.0M | 0.22% | +102,527+150.2% | Added |