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 2023
Institutional positions in Biogen Inc. as of Dec 31, 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
- 1,005
- +56 vs. Q3 2023
- Shares held
- 128.7M
- +4.02M (+3.2%) vs. Q3 2023
- Total value
- $33.3B
- +$1.22B (+3.8%) vs. Q3 2023
- New holders
- 137
- 287 more added
- Sold out
- 81
- 373 more reduced
17 institutions that held it in Q3 2023 haven't filed for Q4 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 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, Q4 2023
Shares, value and share of portfolio for each institution holding Biogen Inc.; share changes are against Q3 2023.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Old North State Wealth Management, LLC | 11,204 | $2.90M | 2.14% | +870+8.4% | Added |
| Maryland State Retirement & Pension System | 11,211 | $2.90M | 0.06% | +210+1.9% | Added |
| Diversified Trust Co | 11,272 | $2.92M | 0.10% | +11,272 | New |
| Synovus Financial Corp | 11,327 | $2.93M | 0.04% | +348+3.2% | Added |
| Oregon Public Employees Retirement Fund | 11,337 | $2.93M | 0.05% | −9,305−45.1% | Reduced |
| North Growth Management Ltd. | 11,000 | $2.95M | 0.63% | 00.0% | Unchanged |
| Dai-Ichi Life Insurance Company, Ltd | 11,459 | $2.96M | 0.06% | −10,222−47.1% | Reduced |
| Gifford Fong Associates | 11,500 | $2.98M | 0.63% | 00.0% | Unchanged |
| Kentucky Retirement Systems | 11,593 | $3.00M | 0.09% | −455−3.8% | Reduced |
| Bayesian Capital Management, LP | 11,600 | $3.00M | 0.32% | +11,600 | New |
| Arlington Partners LLC | 11,656 | $3.02M | 0.87% | +11,656 | New |
| Blair William & Co | 11,735 | $3.04M | 0.01% | −2,388−16.9% | Reduced |
| Oversea-Chinese Banking CORP Ltd | 11,770 | $3.05M | 0.11% | +750+6.8% | Added |
| Tobam | 11,922 | $3.08M | 0.27% | −933−7.3% | Reduced |
| Gulf International Bank (UK) Ltd | 12,366 | $3.20M | 0.09% | −1,437−10.4% | Reduced |
| Teachers Retirement System of the State of Kentucky | 12,487 | $3.23M | 0.03% | −521−4.0% | Reduced |
| Creative Planning | 12,503 | $3.24M | 0.01% | −767−5.8% | Reduced |
| Elo Mutual Pension Insurance Co | 12,693 | $3.29M | 0.09% | +579+4.8% | Added |
| Kinneret Advisory, LLC | 12,761 | $3.30M | 0.37% | +12,761 | New |
| Group One Trading, L.P. | 12,786 | $3.31M | 0.10% | +3,538+38.3% | Added |
| iA Global Asset Management Inc. | 13,031 | $3.37M | 0.08% | +960+8.0% | Added |
| Fred Alger Management, LLC | 13,235 | $3.42M | 0.02% | +13,235 | New |
| Tredje AP-fonden | 13,263 | $3.43M | 0.04% | −37,120−73.7% | Reduced |
| Quotient Wealth Partners, LLC | 13,313 | $3.45M | 0.13% | +13,313 | New |
| Glenmede Trust Co NA | 13,524 | $3.50M | 0.02% | −14,740−52.2% | Reduced |
| Liontrust Investment Partners LLP | 13,603 | $3.52M | 0.05% | −90−0.7% | Reduced |
| HighTower Advisors, LLC | 13,731 | $3.57M | 0.01% | +969+7.6% | Added |
| Ethic Inc. | 13,859 | $3.59M | 0.11% | +6,290+83.1% | Added |
| Lifeworks Advisors, LLC | 13,862 | $3.59M | 1.24% | +1,340+10.7% | Added |
| Varma Mutual Pension Insurance Co | 14,100 | $3.65M | 0.04% | +14,100 | New |
| SG Americas Securities, LLC | 14,179 | $3.67M | 0.04% | −2,387−14.4% | Reduced |
| Prime Capital Investment Advisors, LLC | 14,199 | $3.67M | 0.06% | +14,199 | New |
| Abn Amro Investment Solutions | 14,586 | $3.77M | 0.07% | −840−5.4% | Reduced |
| Gabelli Funds LLC | 14,700 | $3.80M | 0.03% | −70−0.5% | Reduced |
| Raymond James Financial Services Advisors, Inc. | 14,818 | $3.83M | 0.01% | −1,178−7.4% | Reduced |
| Fiera Capital Corp | 15,076 | $3.90M | 0.01% | +1,591+11.8% | Added |
| Panagora Asset Management Inc | 15,360 | $3.97M | 0.02% | −110,392−87.8% | Reduced |
| TownSquare Capital, LLC | 15,526 | $4.02M | 0.07% | −761−4.7% | Reduced |
| Groupama Asset Managment | 15,783 | $4.09M | 0.11% | +15,783 | New |
| Sectoral Asset Management Inc | 15,827 | $4.10M | 1.76% | +815+5.4% | Added |
| GTS Securities LLC | 15,981 | $4.14M | 0.09% | +658+4.3% | Added |
| British Columbia Investment Management Corp | 16,671 | $4.31M | 0.04% | +3,513+26.7% | Added |
| Meitav Dash Investments Ltd | 16,800 | $4.35M | 0.06% | +80.0% | Added |
| Janney Montgomery Scott LLC | 16,924 | $4.38M | 0.01% | −1,348−7.4% | Reduced |
| M&T Bank Corp | 16,966 | $4.39M | 0.02% | −263−1.5% | Reduced |
| Verition Fund Management LLC | 17,065 | $4.42M | 0.04% | −194,971−92.0% | Reduced |
| Sumitomo Mitsui DS Asset Management Company, Ltd | 17,753 | $4.59M | 0.06% | −80−0.4% | Reduced |
| Ilmarinen Mutual Pension Insurance Co | 18,000 | $4.66M | 0.06% | 00.0% | Unchanged |
| Fort Washington Investment Advisors Inc | 18,692 | $4.84M | 0.03% | 00.0% | Unchanged |
| Advisor Group Holdings, Inc. | 18,733 | $4.85M | 0.01% | −16,020−46.1% | Reduced |
| China Universal Asset Management Co., Ltd. | 19,027 | $4.92M | 0.96% | +14,634+333.1% | Added |
| Greenwood Capital Associates LLC | 19,145 | $4.95M | 0.64% | +65+0.3% | Added |
| Nissay Asset Management Corp | 19,444 | $5.03M | 0.04% | +1,763+10.0% | Added |
| Profund Advisors LLC | 19,612 | $5.07M | 0.22% | +2,571+15.1% | Added |
| Intech Investment Management LLC | 19,922 | $5.16M | 0.08% | −10,007−33.4% | Reduced |
| Silverarc Capital Management, LLC | 20,000 | $5.18M | 1.60% | −8,069−28.7% | Reduced |
| American Assets Investment Management, LLC | 20,000 | $5.18M | 0.53% | 00.0% | Unchanged |
| Xponance, Inc. | 20,047 | $5.19M | 0.06% | −1,246−5.9% | Reduced |
| Pinebridge Investments, L.P. | 20,104 | $5.20M | 0.05% | +6,838+51.5% | Added |
| US Bancorp | 20,224 | $5.23M | 0.01% | −680−3.3% | Reduced |
| Exchange Capital Management, Inc. | 20,298 | $5.25M | 0.94% | +920+4.7% | Added |
| Louisiana State Employees Retirement System | 20,300 | $5.25M | 0.11% | −200−1.0% | Reduced |
| Ostrum Asset Management | 20,310 | $5.26M | 0.46% | +9,112+81.4% | Added |
| Daiwa Securities Group Inc. | 20,479 | $5.30M | 0.03% | −4,835−19.1% | Reduced |
| Investment Management Corp of Ontario | 20,557 | $5.32M | 0.13% | +20,557 | New |
| Summit Partners Public Asset Management, LLC | 20,830 | $5.39M | 0.29% | +20,830 | New |
| Janus Henderson Group PLC | 21,174 | $5.48M | 0.00% | +86+0.4% | Added |
| Shelton Capital Management | 21,189 | $5.48M | 0.17% | +538+2.6% | Added |
| Public Employees Retirement Association of Colorado | 21,450 | $5.55M | 0.03% | −619−2.8% | Reduced |
| Mariner, LLC | 21,529 | $5.57M | 0.01% | +1,868+9.5% | Added |
| Auxier Asset Management | 21,658 | $5.60M | 0.91% | −102−0.5% | Reduced |
| Neuberger Berman Group LLC | 22,393 | $5.79M | 0.01% | +2,266+11.3% | Added |
| Commonwealth Equity Services, LLC | 22,612 | $5.85M | 0.01% | −804−3.4% | Reduced |
| Vontobel Holding Ltd. | 22,930 | $5.93M | 0.05% | +8,499+58.9% | Added |
| New York Life Investment Management LLC | 23,318 | $6.03M | 0.06% | −8,777−27.3% | Reduced |
| D. E. Shaw & Co., Inc. | 23,935 | $6.19M | 0.01% | −254,903−91.4% | Reduced |
| Platinum Investment Management Ltd | 24,020 | $6.22M | 0.25% | −24−0.1% | Reduced |
| Natixis Advisors, L.P. | 24,166 | $6.25M | 0.02% | +565+2.4% | Added |
| Allspring Global Investments Holdings, LLC | 24,238 | $6.27M | 0.01% | −33,675−58.1% | Reduced |
| Stoneridge Investment Partners LLC | 24,322 | $6.29M | 2.65% | +24,322 | New |
| The PNC Financial Services Group, Inc. | 24,367 | $6.31M | 0.00% | −746−3.0% | Reduced |
| Forsta Ap-Fonden | 24,600 | $6.37M | 0.06% | −3,500−12.5% | Reduced |
| Utah Retirement Systems | 24,915 | $6.45M | 0.08% | +100+0.4% | Added |
| Sivik Global Healthcare LLC | 25,000 | $6.47M | 2.70% | +25,000 | New |
| Nicola Wealth Management Ltd. | 25,000 | $6.47M | 0.68% | +3,000+13.6% | Added |
| Healthcare of Ontario Pension Plan Trust Fund | 25,000 | $6.47M | 0.02% | +25,000 | New |
| Lazard Asset Management LLC | 25,136 | $6.50M | 0.01% | −692−2.7% | Reduced |
| Czech National Bank | 25,377 | $6.57M | 0.09% | +65+0.3% | Added |
| Banque Pictet & Cie SA | 25,839 | $6.69M | 0.08% | +1,817+7.6% | Added |
| Fjarde Ap-Fonden /Fourth Swedish National Pension Fund | 26,121 | $6.76M | 0.08% | +100+0.4% | Added |
| Swiss Life Asset Management Ltd | 26,823 | $6.95M | 0.08% | +10,531+64.6% | Added |
| Mutual of America Capital Management LLC | 27,050 | $7.00M | 0.08% | −92−0.3% | Reduced |
| Yousif Capital Management, LLC | 27,201 | $7.04M | 0.08% | +2,745+11.2% | Added |
| Tower Research Capital LLC (TRC) | 27,389 | $7.09M | 0.09% | +17,302+171.5% | Added |
| Cardinal Capital Management | 27,622 | $7.15M | 1.35% | −80.0% | Reduced |
| Beacon Investment Advisory Services, Inc. | 27,626 | $7.15M | 0.32% | −1,126−3.9% | Reduced |
| CSM Advisors, LLC | 28,139 | $7.28M | 0.52% | −87−0.3% | Reduced |
| Ossiam | 28,620 | $7.41M | 0.12% | −4,746−14.2% | Reduced |
| Pacer Advisors, Inc. | 28,929 | $7.49M | 0.02% | +12,343+74.4% | Added |
| Texas Permanent School Fund | 29,928 | $7.74M | 0.07% | −70.0% | Reduced |