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 |
|---|---|---|---|---|---|
| Assetmark, Inc | 5,035 | $1.30M | 0.00% | +161+3.3% | Added |
| Eaton Financial Holdings Company, LLC | 5,062 | $1.31M | 0.32% | +5,062 | New |
| Unison Advisors LLC | 5,078 | $1.31M | 0.14% | 00.0% | Unchanged |
| Bank Pictet & Cie (Asia) Ltd | 5,083 | $1.32M | 0.33% | 00.0% | Unchanged |
| Easterly Investment Partners LLC | 5,084 | $1.32M | 0.14% | −1,778−25.9% | Reduced |
| TD Waterhouse Canada Inc. | 4,761 | $1.33M | 0.01% | +107+2.3% | Added |
| Toroso Investments, LLC | 5,129 | $1.33M | 0.03% | −1,117−17.9% | Reduced |
| Kentucky Retirement Systems Insurance Trust Fund | 5,162 | $1.34M | 0.09% | −217−4.0% | Reduced |
| Empirical Finance, LLC | 5,165 | $1.34M | 0.09% | +21+0.4% | Added |
| Capstone Investment Advisors, LLC | 5,190 | $1.34M | 0.02% | −714−12.1% | Reduced |
| Empirical Financial Services, LLC d.b.a. Empirical Wealth Management | 5,234 | $1.35M | 0.05% | +5,234 | New |
| Citadel Advisors LLC | 5,261 | $1.36M | 0.00% | −72,875−93.3% | Reduced |
| Kestra Private Wealth Services, LLC | 5,262 | $1.36M | 0.03% | +5,262 | New |
| Seizert Capital Partners, LLC | 5,274 | $1.36M | 0.07% | +126+2.4% | Added |
| Spears Abacus Advisors LLC | 5,280 | $1.37M | 0.11% | 00.0% | Unchanged |
| Linden Thomas Advisory Services, LLC | 5,300 | $1.37M | 0.26% | −80−1.5% | Reduced |
| Ci Investments Inc. | 5,342 | $1.38M | 0.01% | −290−5.1% | Reduced |
| Cambridge Investment Research Advisors, Inc. | 5,477 | $1.42M | 0.01% | −282−4.9% | Reduced |
| CAPROCK Group, Inc. | 5,513 | $1.43M | 0.09% | +427+8.4% | Added |
| Credit Agricole S A | 5,535 | $1.43M | 0.03% | +2,845+105.8% | Added |
| Intellectus Partners, LLC | 5,563 | $1.44M | 0.42% | −50−0.9% | Reduced |
| E. Ohman J:or Asset Management AB | 5,599 | $1.45M | 0.05% | −900−13.8% | Reduced |
| North Star Investment Management Corp. | 5,634 | $1.46M | 0.11% | −5−0.1% | Reduced |
| Knights of Columbus Asset Advisors LLC | 5,660 | $1.46M | 0.09% | +2,800+97.9% | Added |
| BI Asset Management Fondsmaeglerselskab A/S | 5,763 | $1.49M | 0.03% | −764−11.7% | Reduced |
| Ameritas Investment Partners, Inc. | 5,813 | $1.50M | 0.06% | +132+2.3% | Added |
| STRS Ohio | 5,825 | $1.51M | 0.01% | −81,114−93.3% | Reduced |
| Metropolitan Life Insurance Co | 5,899 | $1.53M | 0.07% | −93−1.6% | Reduced |
| Wealthfront Advisers LLC | 5,932 | $1.54M | 0.01% | +332+5.9% | Added |
| Brown Brothers Harriman & Co | 5,967 | $1.54M | 0.01% | 00.0% | Unchanged |
| Summit Global Investments | 6,088 | $1.57M | 0.10% | +6,088 | New |
| Alaska Permanent Fund Corp | 6,103 | $1.58M | 0.03% | +6,103 | New |
| PDT Partners, LLC | 6,125 | $1.58M | 0.18% | +4,525+282.8% | Added |
| Partnership Wealth Management, LLC | 6,479 | $1.60M | 1.20% | +6,479 | New |
| Loring Wolcott & Coolidge Fiduciary Advisors LLP | 6,479 | $1.60M | 0.02% | −230−3.4% | Reduced |
| Oak Associates, Ltd | 6,190 | $1.60M | 0.12% | −250−3.9% | Reduced |
| Hussman Strategic Advisors, Inc. | 6,300 | $1.63M | 0.37% | 00.0% | Unchanged |
| Stevens Capital Management LP | 6,304 | $1.63M | 0.41% | +6,304 | New |
| Cetera Advisor Networks LLC | 6,320 | $1.64M | 0.01% | +230+3.8% | Added |
| GWM Advisors LLC | 6,539 | $1.65M | 0.02% | +3,172+94.2% | Added |
| Norinchukin Bank, The | 6,381 | $1.65M | 0.04% | −924−12.6% | Reduced |
| B. Metzler seel. Sohn & Co. AG | 6,449 | $1.67M | 0.02% | −2,199−25.4% | Reduced |
| Siemens Fonds Invest GmbH | 6,466 | $1.67M | 0.14% | +981+17.9% | Added |
| Wealth Enhancement Advisory Services, LLC | 6,491 | $1.68M | 0.00% | −5,520−46.0% | Reduced |
| Cornerstone Advisors, LLC | 6,500 | $1.68M | 0.07% | −4,500−40.9% | Reduced |
| Alberta Investment Management Corp | 6,600 | $1.71M | 0.02% | +2,100+46.7% | Added |
| Nippon Life Global Investors Americas, Inc. | 6,630 | $1.72M | 0.10% | 00.0% | Unchanged |
| Wolverine Trading, LLC | 6,647 | $1.72M | 0.01% | −8,017−54.7% | Reduced |
| Aquatic Capital Management LLC | 6,800 | $1.76M | 0.04% | +5,920+672.7% | Added |
| NEOS Investment Management LLC | 6,837 | $1.77M | 0.17% | +353+5.4% | Added |
| Mogy Joel R Investment Counsel Inc | 6,960 | $1.80M | 0.14% | 00.0% | Unchanged |
| Advisors Asset Management, Inc. | 6,990 | $1.81M | 0.04% | +1,120+19.1% | Added |
| Thor Investment Management Inc | 7,013 | $1.81M | 1.58% | +7,013 | New |
| Prudential PLC | 7,042 | $1.82M | 0.02% | −7,741−52.4% | Reduced |
| Hennion & Walsh Asset Management, Inc. | 7,067 | $1.83M | 0.10% | +319+4.7% | Added |
| Farther Finance Advisors, LLC | 7,196 | $1.86M | 0.13% | +6,018+510.9% | Added |
| Level Four Advisory Services, LLC | 7,199 | $1.86M | 0.10% | −158−2.1% | Reduced |
| Northwestern Mutual Wealth Management Co | 7,314 | $1.89M | 0.00% | +134+1.9% | Added |
| Shell Asset Management Co | 7,462 | $1.93M | 0.09% | +2,430+48.3% | Added |
| Schonfeld Strategic Advisors LLC | 7,520 | $1.95M | 0.02% | +5,685+309.8% | Added |
| New Mexico Educational Retirement Board | 7,524 | $1.95M | 0.07% | 00.0% | Unchanged |
| Ramsay, Stattman, Vela & Price, Inc. | 7,545 | $1.95M | 0.40% | −75−1.0% | Reduced |
| Hudson Canyon Capital Management | 7,700 | $1.99M | 1.45% | 00.0% | Unchanged |
| Mercer Global Advisors Inc | 7,702 | $1.99M | 0.01% | −2,735−26.2% | Reduced |
| Bridgeway Capital Management, LLC | 7,800 | $2.02M | 0.04% | −4,150−34.7% | Reduced |
| Metis Global Partners, LLC | 7,871 | $2.04M | 0.08% | −56−0.7% | Reduced |
| Whittier Trust Co of Nevada Inc | 7,930 | $2.05M | 0.07% | −837−9.5% | Reduced |
| Leonteq Securities AG | 7,964 | $2.06M | 0.26% | +1,479+22.8% | Added |
| Mengis Capital Management, Inc. | 8,055 | $2.08M | 0.39% | 00.0% | Unchanged |
| Exome Asset Management LLC | 8,200 | $2.12M | 2.10% | +8,200 | New |
| Bellevue Group AG | 8,485 | $2.20M | 0.03% | −8,829−51.0% | Reduced |
| Brinker Capital Investments, LLC | 8,515 | $2.20M | 0.03% | −954−10.1% | Reduced |
| Orion Portfolio Solutions, LLC | 8,515 | $2.20M | 0.03% | −954−10.1% | Reduced |
| M&G Investment Management Ltd | 8,593 | $2.23M | 0.01% | 00.0% | Unchanged |
| Leo Wealth, LLC | 8,754 | $2.26M | 0.23% | +8,754 | New |
| Twin Capital Management Inc | 8,851 | $2.29M | 0.30% | −278−3.0% | Reduced |
| Vident Advisory, LLC | 9,034 | $2.34M | 0.06% | +2,969+49.0% | Added |
| Independent Advisor Alliance | 9,051 | $2.34M | 0.08% | +363+4.2% | Added |
| Commerce Bank | 9,162 | $2.37M | 0.02% | −75−0.8% | Reduced |
| Securian Asset Management, Inc | 9,179 | $2.38M | 0.07% | −1,201−11.6% | Reduced |
| Money Concepts Capital Corp | 9,214 | $2.38M | 0.22% | −232−2.5% | Reduced |
| PEAK6 Investments LLC | 9,402 | $2.43M | 0.11% | −6,106−39.4% | Reduced |
| Stephens Inc | 9,454 | $2.45M | 0.04% | −270−2.8% | Reduced |
| Crossmark Global Holdings, Inc. | 9,527 | $2.46M | 0.05% | −2,255−19.1% | Reduced |
| Hartford Investment Management Co | 9,762 | $2.53M | 0.09% | −2,409−19.8% | Reduced |
| Captrust Financial Advisors | 10,160 | $2.63M | 0.01% | −174−1.7% | Reduced |
| Guardian Investment Management | 10,165 | $2.63M | 2.23% | +100+1.0% | Added |
| JustInvest LLC | 10,206 | $2.64M | 0.07% | −525−4.9% | Reduced |
| Cubist Systematic Strategies, LLC | 10,291 | $2.66M | 0.03% | +7,947+339.0% | Added |
| Keybank National Association | 10,338 | $2.68M | 0.01% | −782−7.0% | Reduced |
| Cresset Asset Management, LLC | 10,366 | $2.68M | 0.02% | +4,298+70.8% | Added |
| Pathstone Holdings, LLC | 10,409 | $2.69M | 0.01% | +10,409 | New |
| Court Place Advisors, LLC | 10,473 | $2.71M | 0.89% | −163−1.5% | Reduced |
| Federation des caisses Desjardins du Quebec | 10,605 | $2.74M | 0.03% | −5,924−35.8% | Reduced |
| Eisler Capital (UK) Ltd. | 10,639 | $2.75M | 0.25% | −23,052−68.4% | Reduced |
| Beck Bode, LLC | 10,677 | $2.76M | 0.62% | +10,677 | New |
| MML Investors Services, LLC | 10,859 | $2.81M | 0.01% | +470+4.5% | Added |
| Cairn Investment Group, Inc. | 11,126 | $2.88M | 1.80% | +323+3.0% | Added |
| Oppenheimer & Co Inc | 11,156 | $2.89M | 0.05% | +2,779+33.2% | Added |
| Power Corp of Canada | 11,158 | $2.89M | 0.30% | −4,977−30.8% | Reduced |