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, 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 | 1,047 | $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, 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 |
|---|---|---|---|---|---|
| ProShare Advisors LLC | 149,594 | $42.6M | 0.12% | −8,329−5.3% | Reduced |
| Canada Pension Plan Investment Board | 152,810 | $43.5M | 0.07% | −16,000−9.5% | Reduced |
| New York State Teachers Retirement System | 154,189 | $43.9M | 0.10% | −7,902−4.9% | Reduced |
| New York State Common Retirement Fund | 156,740 | $44.6M | 0.06% | −1,105−0.7% | Reduced |
| Two Sigma Advisers, LP | 157,200 | $44.8M | 0.11% | −144,000−47.8% | Reduced |
| Great West Life Assurance Co | 158,657 | $45.4M | 0.11% | −8,053−4.8% | Reduced |
| Storebrand Asset Management AS | 160,181 | $45.6M | 0.21% | +10,954+7.3% | Added |
| Brown Advisory Inc | 164,803 | $46.9M | 0.07% | +3,590+2.2% | Added |
| Prudential Financial Inc | 166,465 | $47.4M | 0.07% | −114,363−40.7% | Reduced |
| Retirement Systems of Alabama | 169,797 | $48.4M | 0.22% | −9,666−5.4% | Reduced |
| Principal Financial Group Inc | 170,210 | $48.5M | 0.03% | −6,167−3.5% | Reduced |
| Verition Fund Management LLC | 170,228 | $48.5M | 0.76% | +38,018+28.8% | Added |
| Man Group plc | 170,811 | $48.7M | 0.15% | – | – |
| Avidity Partners Management LP | 174,000 | $49.6M | 1.73% | +45,200+35.1% | Added |
| LMR Partners LLP | 175,321 | $49.9M | 1.14% | +139,878+394.7% | Added |
| State Board of Administration of Florida Retirement System | 175,702 | $50.0M | 0.11% | −2,734−1.5% | Reduced |
| Krensavage Asset Management, LLC | 176,826 | $50.4M | 15.96% | −300−0.2% | Reduced |
| Saratoga Research & Investment Management | 179,043 | $51.0M | 2.35% | −4,286−2.3% | Reduced |
| Virginia Retirement Systems Et Al | 184,604 | $52.6M | 0.50% | +14,300+8.4% | Added |
| United Capital Financial Advisers, LLC | 186,809 | $53.2M | 0.29% | −2,767−1.5% | Reduced |
| Russell Investments Group, Ltd. | 187,477 | $53.4M | 0.10% | −70,564−27.3% | Reduced |
| PFM Health Sciences, LP | 198,334 | $56.5M | 2.27% | +198,334 | New |
| Ameriprise Financial Inc | 198,727 | $56.6M | 0.02% | −12,113−5.7% | Reduced |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 198,773 | $56.6M | 0.25% | +17,253+9.5% | Added |
| Epoch Investment Partners, Inc. | 203,016 | $57.8M | 0.33% | −7,160−3.4% | Reduced |
| Panagora Asset Management Inc | 205,897 | $58.6M | 0.35% | −2,654−1.3% | Reduced |
| TD Asset Management Inc | 216,184 | $61.6M | 0.07% | +60,325+38.7% | Added |
| Assenagon Asset Management S.A. | 216,676 | $61.7M | 0.24% | −138,859−39.1% | Reduced |
| Bank of Montreal | 217,115 | $64.9M | 0.04% | +15,491+7.7% | Added |
| California State Teachers Retirement System | 233,553 | $66.5M | 0.09% | −14,231−5.7% | Reduced |
| Candriam Luxembourg S.C.A. | 233,897 | $66.6M | 0.48% | −64,848−21.7% | Reduced |
| Citigroup Inc | 234,902 | $66.9M | 0.09% | +4,936+2.1% | Added |
| DekaBank Deutsche Girozentrale | 238,599 | $67.4M | 0.15% | +4,317+1.8% | Added |
| Alliancebernstein L.P. | 240,399 | $68.5M | 0.03% | −53,124−18.1% | Reduced |
| Tekla Capital Management LLC | 247,943 | $70.6M | 2.76% | +7,017+2.9% | Added |
| Wells Fargo & Company | 249,828 | $71.2M | 0.02% | −5,194−2.0% | Reduced |
| Armistice Capital, LLC | 256,000 | $72.9M | 1.83% | −194,000−43.1% | Reduced |
| Erste Asset Management GmbH | 273,096 | $77.6M | 1.37% | +2,561+0.9% | Added |
| California Public Employees Retirement System | 274,631 | $78.2M | 0.07% | −34,986−11.3% | Reduced |
| National Pension Service | 281,212 | $79.3M | 0.13% | +13,881+5.2% | Added |
| Rhumbline Advisers | 280,736 | $80.0M | 0.09% | +956+0.3% | Added |
| HSBC Holdings PLC | 283,509 | $80.7M | 0.09% | +33,429+13.4% | Added |
| Employees Provident Fund Board | 287,500 | $81.9M | 1.94% | −57,500−16.7% | Reduced |
| Thrivent Financial for Lutherans | 289,304 | $82.4M | 0.19% | −7,838−2.6% | Reduced |
| Arrowstreet Capital, Limited Partnership | 295,843 | $84.3M | 0.10% | +5,103+1.8% | Added |
| Parnassus Investments | 305,808 | $87.1M | 0.20% | 00.0% | Unchanged |
| Carmignac Gestion | 310,100 | $88.3M | 1.52% | 00.0% | Unchanged |
| Neuberger Berman Group LLC | 312,439 | $89.0M | 0.08% | −250.0% | Reduced |
| Envestnet Asset Management Inc | 312,875 | $89.1M | 0.04% | −2,243,708−87.8% | Reduced |
| Polar Capital Holdings Plc | 325,000 | $92.6M | 0.63% | +75,000+30.0% | Added |
| Bank of America Corp | 326,179 | $92.9M | 0.01% | −159,731−32.9% | Reduced |
| Ensign Peak Advisors, Inc | 335,308 | $95.5M | 0.19% | +6,915+2.1% | Added |
| AQR Capital Management LLC | 336,388 | $95.7M | 0.20% | −86,098−20.4% | Reduced |
| Robeco Institutional Asset Management B.V. | 343,217 | $97.8M | 0.26% | −18,230−5.0% | Reduced |
| Credit Suisse AG | 351,396 | $100.1M | 0.10% | +2,303+0.7% | Added |
| Royal Bank of Canada | 352,540 | $100.4M | 0.03% | +65,659+22.9% | Added |
| LSV Asset Management | 353,424 | $100.7M | 0.22% | −13,030−3.6% | Reduced |
| Alyeska Investment Group, L.P. | 367,268 | $104.6M | 0.80% | +367,268 | New |
| Sumitomo Mitsui Trust Holdings, Inc. | 380,241 | $108.3M | 0.08% | −61,256−13.9% | Reduced |
| Palo Alto Investors LP | 381,282 | $108.6M | 8.77% | 00.0% | Unchanged |
| UBS Group AG | 392,732 | $111.9M | 0.05% | +96,648+32.6% | Added |
| Samlyn Capital, LLC | 395,272 | $112.6M | 1.96% | −3,818−1.0% | Reduced |
| Adage Capital Partners GP, L.L.C. | 402,056 | $114.5M | 0.25% | +70,033+21.1% | Added |
| First Trust Advisors LP | 411,699 | $117.3M | 0.13% | +26,107+6.8% | Added |
| AXA S.A. | 440,202 | $125.4M | 0.42% | +24,198+5.8% | Added |
| Franklin Resources Inc | 442,792 | $126.1M | 0.06% | +17,106+4.0% | Added |
| Swiss National Bank | 521,900 | $148.7M | 0.10% | −49,600−8.7% | Reduced |
| Ra Capital Management, L.P. | 532,892 | $151.8M | 2.87% | 00.0% | Unchanged |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 551,705 | $157.2M | 0.49% | +142,793+34.9% | Added |
| OrbiMed Advisors LLC | 556,800 | $158.6M | 3.09% | +51,800+10.3% | Added |
| Barclays PLC | 587,761 | $167.4M | 0.11% | +129,918+28.4% | Added |
| Farallon Capital Management, L.L.C. | 604,098 | $172.1M | 1.03% | −15,700−2.5% | Reduced |
| Nuveen Asset Management, LLC | 606,604 | $172.8M | 0.06% | −356−0.1% | Reduced |
| Point72 Asset Management, L.P. | 625,641 | $178.2M | 0.62% | −69,472−10.0% | Reduced |
| Sarissa Capital Management LP | 643,000 | $183.2M | 18.23% | 00.0% | Unchanged |
| American Century Companies Inc | 698,618 | $199.0M | 0.15% | +325,430+87.2% | Added |
| Allianz Asset Management GmbH | 752,211 | $214.3M | 0.45% | +52,942+7.6% | Added |
| Goldman Sachs Group Inc | 825,665 | $235.2M | 0.06% | +164,216+24.8% | Added |
| D. E. Shaw & Co., Inc. | 846,444 | $241.1M | 0.38% | −487,546−36.5% | Reduced |
| Charles Schwab Investment Management Inc | 850,201 | $242.2M | 0.07% | +5,819+0.7% | Added |
| Van Eck Associates Corp | 955,657 | $272.2M | 0.60% | +145,279+17.9% | Added |
| Invesco Ltd. | 992,006 | $282.6M | 0.07% | −31,921−3.1% | Reduced |
| Beutel, Goodman & Co Ltd. | 999,346 | $284.7M | 1.60% | +21,620+2.2% | Added |
| UBS Asset Management Americas Inc | 1,114,602 | $309.9M | 0.15% | 00.0% | Unchanged |
| Renaissance Technologies LLC | 1,109,537 | $316.1M | 0.46% | −154,300−12.2% | Reduced |
| Price T Rowe Associates Inc | 1,128,642 | $321.5M | 0.04% | −959,714−46.0% | Reduced |
| Amundi | 1,187,313 | $338.9M | 0.17% | +609,020+105.3% | Added |
| Deutsche Bank AG | 1,205,183 | $343.3M | 0.18% | −436,565−26.6% | Reduced |
| Pictet Asset Management SA | 1,249,054 | $355.8M | 0.42% | +140,688+12.7% | Added |
| Dimensional Fund Advisors LP | 1,345,742 | $383.3M | 0.12% | −70,779−5.0% | Reduced |
| Legal & General Group Plc | 1,369,521 | $390.1M | 0.13% | +10,974+0.8% | Added |
| Morgan Stanley | 1,431,299 | $407.7M | 0.04% | +125,448+9.6% | Added |
| Norges Bank | 1,439,225 | $410.0M | 0.08% | +61,691+4.5% | Added |
| Bank of New York Mellon Corp | 1,469,495 | $418.6M | 0.09% | −4,683−0.3% | Reduced |
| Northern Trust Corp | 1,597,598 | $455.1M | 0.09% | −73,691−4.4% | Reduced |
| Clearbridge Investments, LLC | 1,827,664 | $520.6M | 0.47% | −37,081−2.0% | Reduced |
| FMR LLC | 2,640,521 | $752.2M | 0.06% | +887,907+50.7% | Added |
| Geode Capital Management, LLC | 3,183,679 | $904.6M | 0.11% | +80,944+2.6% | Added |
| T. Rowe Price Investment Management, Inc. | 3,399,070 | $968.2M | 0.66% | +3,399,070 | New |
| JPMorgan Chase & Co | 4,471,187 | $1.27B | 0.15% | +362,324+8.8% | Added |