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, Q2 2023
Institutional positions in Biogen Inc. as of Jun 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
- 1,009
- +11 vs. Q1 2023
- Shares held
- 126.8M
- −1.09M (−0.9%) vs. Q1 2023
- Total value
- $36.1B
- +$1.11B (+3.2%) vs. Q1 2023
- New holders
- 96
- 322 more added
- Sold out
- 85
- 363 more reduced
6 institutions that held it in Q1 2023 haven't filed for Q2 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 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, Q2 2023
Shares, value and share of portfolio for each institution holding Biogen Inc.; share changes are against Q1 2023.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Primecap Management Co | 16,025,876 | $4.56B | 3.81% | +24,710+0.2% | Added |
| BlackRock Inc. | 14,065,994 | $4.01B | 0.11% | +79,773+0.6% | Added |
| Vanguard Group Inc | 12,196,436 | $3.47B | 0.08% | +38,774+0.3% | Added |
| State Street Corp | 6,885,215 | $1.96B | 0.10% | +128,215+1.9% | Added |
| Wellington Management Group LLP | 5,346,359 | $1.52B | 0.29% | −106,529−2.0% | Reduced |
| JPMorgan Chase & Co | 4,471,187 | $1.27B | 0.15% | +362,324+8.8% | Added |
| T. Rowe Price Investment Management, Inc. | 3,399,070 | $968.2M | 0.66% | +3,399,070 | New |
| Geode Capital Management, LLC | 3,183,679 | $904.6M | 0.11% | +80,944+2.6% | Added |
| FMR LLC | 2,640,521 | $752.2M | 0.06% | +887,907+50.7% | Added |
| Clearbridge Investments, LLC | 1,827,664 | $520.6M | 0.47% | −37,081−2.0% | Reduced |
| Northern Trust Corp | 1,597,598 | $455.1M | 0.09% | −73,691−4.4% | Reduced |
| Bank of New York Mellon Corp | 1,469,495 | $418.6M | 0.09% | −4,683−0.3% | Reduced |
| Norges Bank | 1,439,225 | $410.0M | 0.08% | +61,691+4.5% | Added |
| Morgan Stanley | 1,431,299 | $407.7M | 0.04% | +125,448+9.6% | Added |
| Legal & General Group Plc | 1,369,521 | $390.1M | 0.13% | +10,974+0.8% | Added |
| Dimensional Fund Advisors LP | 1,345,742 | $383.3M | 0.12% | −70,779−5.0% | Reduced |
| Pictet Asset Management SA | 1,249,054 | $355.8M | 0.42% | +140,688+12.7% | Added |
| Deutsche Bank AG | 1,205,183 | $343.3M | 0.18% | −436,565−26.6% | Reduced |
| Amundi | 1,187,313 | $338.9M | 0.17% | +609,020+105.3% | Added |
| Price T Rowe Associates Inc | 1,128,642 | $321.5M | 0.04% | −959,714−46.0% | Reduced |
| Renaissance Technologies LLC | 1,109,537 | $316.1M | 0.46% | −154,300−12.2% | Reduced |
| UBS Asset Management Americas Inc | 1,114,602 | $309.9M | 0.15% | 00.0% | Unchanged |
| Beutel, Goodman & Co Ltd. | 999,346 | $284.7M | 1.60% | +21,620+2.2% | Added |
| Invesco Ltd. | 992,006 | $282.6M | 0.07% | −31,921−3.1% | Reduced |
| Van Eck Associates Corp | 955,657 | $272.2M | 0.60% | +145,279+17.9% | Added |
| Charles Schwab Investment Management Inc | 850,201 | $242.2M | 0.07% | +5,819+0.7% | Added |
| D. E. Shaw & Co., Inc. | 846,444 | $241.1M | 0.38% | −487,546−36.5% | Reduced |
| Goldman Sachs Group Inc | 825,665 | $235.2M | 0.06% | +164,216+24.8% | Added |
| Allianz Asset Management GmbH | 752,211 | $214.3M | 0.45% | +52,942+7.6% | Added |
| American Century Companies Inc | 698,618 | $199.0M | 0.15% | +325,430+87.2% | Added |
| Sarissa Capital Management LP | 643,000 | $183.2M | 18.23% | 00.0% | Unchanged |
| Point72 Asset Management, L.P. | 625,641 | $178.2M | 0.62% | −69,472−10.0% | Reduced |
| Nuveen Asset Management, LLC | 606,604 | $172.8M | 0.06% | −356−0.1% | Reduced |
| Farallon Capital Management, L.L.C. | 604,098 | $172.1M | 1.03% | −15,700−2.5% | Reduced |
| Barclays PLC | 587,761 | $167.4M | 0.11% | +129,918+28.4% | Added |
| OrbiMed Advisors LLC | 556,800 | $158.6M | 3.09% | +51,800+10.3% | Added |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 551,705 | $157.2M | 0.49% | +142,793+34.9% | Added |
| Ra Capital Management, L.P. | 532,892 | $151.8M | 2.87% | 00.0% | Unchanged |
| Swiss National Bank | 521,900 | $148.7M | 0.10% | −49,600−8.7% | Reduced |
| Franklin Resources Inc | 442,792 | $126.1M | 0.06% | +17,106+4.0% | Added |
| AXA S.A. | 440,202 | $125.4M | 0.42% | +24,198+5.8% | Added |
| First Trust Advisors LP | 411,699 | $117.3M | 0.13% | +26,107+6.8% | Added |
| Adage Capital Partners GP, L.L.C. | 402,056 | $114.5M | 0.25% | +70,033+21.1% | Added |
| Samlyn Capital, LLC | 395,272 | $112.6M | 1.96% | −3,818−1.0% | Reduced |
| UBS Group AG | 392,732 | $111.9M | 0.05% | +96,648+32.6% | Added |
| Palo Alto Investors LP | 381,282 | $108.6M | 8.77% | 00.0% | Unchanged |
| Sumitomo Mitsui Trust Holdings, Inc. | 380,241 | $108.3M | 0.08% | −61,256−13.9% | Reduced |
| Alyeska Investment Group, L.P. | 367,268 | $104.6M | 0.80% | +367,268 | New |
| LSV Asset Management | 353,424 | $100.7M | 0.22% | −13,030−3.6% | Reduced |
| Royal Bank of Canada | 352,540 | $100.4M | 0.03% | +65,659+22.9% | Added |
| Credit Suisse AG | 351,396 | $100.1M | 0.10% | +2,303+0.7% | Added |
| Robeco Institutional Asset Management B.V. | 343,217 | $97.8M | 0.26% | −18,230−5.0% | Reduced |
| AQR Capital Management LLC | 336,388 | $95.7M | 0.20% | −86,098−20.4% | Reduced |
| Ensign Peak Advisors, Inc | 335,308 | $95.5M | 0.19% | +6,915+2.1% | Added |
| Bank of America Corp | 326,179 | $92.9M | 0.01% | −159,731−32.9% | Reduced |
| Polar Capital Holdings Plc | 325,000 | $92.6M | 0.63% | +75,000+30.0% | Added |
| Envestnet Asset Management Inc | 312,875 | $89.1M | 0.04% | −2,243,708−87.8% | Reduced |
| Neuberger Berman Group LLC | 312,439 | $89.0M | 0.08% | −250.0% | Reduced |
| Carmignac Gestion | 310,100 | $88.3M | 1.52% | 00.0% | Unchanged |
| Parnassus Investments | 305,808 | $87.1M | 0.20% | 00.0% | Unchanged |
| Arrowstreet Capital, Limited Partnership | 295,843 | $84.3M | 0.10% | +5,103+1.8% | Added |
| Thrivent Financial for Lutherans | 289,304 | $82.4M | 0.19% | −7,838−2.6% | Reduced |
| Employees Provident Fund Board | 287,500 | $81.9M | 1.94% | −57,500−16.7% | Reduced |
| HSBC Holdings PLC | 283,509 | $80.7M | 0.09% | +33,429+13.4% | Added |
| Rhumbline Advisers | 280,736 | $80.0M | 0.09% | +956+0.3% | Added |
| National Pension Service | 281,212 | $79.3M | 0.13% | +13,881+5.2% | Added |
| California Public Employees Retirement System | 274,631 | $78.2M | 0.07% | −34,986−11.3% | Reduced |
| Erste Asset Management GmbH | 273,096 | $77.6M | 1.37% | +2,561+0.9% | Added |
| Armistice Capital, LLC | 256,000 | $72.9M | 1.83% | −194,000−43.1% | Reduced |
| Wells Fargo & Company | 249,828 | $71.2M | 0.02% | −5,194−2.0% | Reduced |
| Tekla Capital Management LLC | 247,943 | $70.6M | 2.76% | +7,017+2.9% | Added |
| Alliancebernstein L.P. | 240,399 | $68.5M | 0.03% | −53,124−18.1% | Reduced |
| DekaBank Deutsche Girozentrale | 238,599 | $67.4M | 0.15% | +4,317+1.8% | Added |
| Citigroup Inc | 234,902 | $66.9M | 0.09% | +4,936+2.1% | Added |
| Candriam Luxembourg S.C.A. | 233,897 | $66.6M | 0.48% | −64,848−21.7% | Reduced |
| California State Teachers Retirement System | 233,553 | $66.5M | 0.09% | −14,231−5.7% | Reduced |
| Bank of Montreal | 217,115 | $64.9M | 0.04% | +15,491+7.7% | Added |
| Assenagon Asset Management S.A. | 216,676 | $61.7M | 0.24% | −138,859−39.1% | Reduced |
| TD Asset Management Inc | 216,184 | $61.6M | 0.07% | +60,325+38.7% | Added |
| Panagora Asset Management Inc | 205,897 | $58.6M | 0.35% | −2,654−1.3% | Reduced |
| Epoch Investment Partners, Inc. | 203,016 | $57.8M | 0.33% | −7,160−3.4% | Reduced |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 198,773 | $56.6M | 0.25% | +17,253+9.5% | Added |
| Ameriprise Financial Inc | 198,727 | $56.6M | 0.02% | −12,113−5.7% | Reduced |
| PFM Health Sciences, LP | 198,334 | $56.5M | 2.27% | +198,334 | New |
| Russell Investments Group, Ltd. | 187,477 | $53.4M | 0.10% | −70,564−27.3% | Reduced |
| United Capital Financial Advisers, LLC | 186,809 | $53.2M | 0.29% | −2,767−1.5% | Reduced |
| Virginia Retirement Systems Et Al | 184,604 | $52.6M | 0.50% | +14,300+8.4% | Added |
| Saratoga Research & Investment Management | 179,043 | $51.0M | 2.35% | −4,286−2.3% | Reduced |
| Krensavage Asset Management, LLC | 176,826 | $50.4M | 15.96% | −300−0.2% | Reduced |
| State Board of Administration of Florida Retirement System | 175,702 | $50.0M | 0.11% | −2,734−1.5% | Reduced |
| LMR Partners LLP | 175,321 | $49.9M | 1.14% | +139,878+394.7% | Added |
| Avidity Partners Management LP | 174,000 | $49.6M | 1.73% | +45,200+35.1% | Added |
| Man Group plc | 170,811 | $48.7M | 0.15% | – | – |
| Verition Fund Management LLC | 170,228 | $48.5M | 0.76% | +38,018+28.8% | Added |
| Principal Financial Group Inc | 170,210 | $48.5M | 0.03% | −6,167−3.5% | Reduced |
| Retirement Systems of Alabama | 169,797 | $48.4M | 0.22% | −9,666−5.4% | Reduced |
| Prudential Financial Inc | 166,465 | $47.4M | 0.07% | −114,363−40.7% | Reduced |
| Brown Advisory Inc | 164,803 | $46.9M | 0.07% | +3,590+2.2% | Added |
| Storebrand Asset Management AS | 160,181 | $45.6M | 0.21% | +10,954+7.3% | Added |
| Great West Life Assurance Co | 158,657 | $45.4M | 0.11% | −8,053−4.8% | Reduced |