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, Q1 2024
Institutional positions in Biogen Inc. as of Mar 31, 2024. 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
- 955
- −41 vs. Q4 2023
- Shares held
- 129.7M
- +1.13M (+0.9%) vs. Q4 2023
- Total value
- $28.0B
- −$5.30B (−15.9%) vs. Q4 2023
- New holders
- 105
- 304 more added
- Sold out
- 146
- 354 more reduced
9 institutions that held it in Q4 2023 haven't filed for Q1 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 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, Q1 2024
Shares, value and share of portfolio for each institution holding Biogen Inc.; share changes are against Q4 2023.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Squarepoint Ops LLC | 314,709 | $67.9M | 0.28% | +224,407+248.5% | Added |
| Two Sigma Investments, LP | 326,425 | $70.4M | 0.17% | +272,400+504.2% | Added |
| First Trust Advisors LP | 334,296 | $72.1M | 0.07% | −643,012−65.8% | Reduced |
| Nuveen Asset Management, LLC | 347,116 | $74.8M | 0.02% | −100,034−22.4% | Reduced |
| Parnassus Investments | 360,742 | $77.8M | 0.17% | 00.0% | Unchanged |
| TD Asset Management Inc | 367,236 | $79.2M | 0.07% | −22,748−5.8% | Reduced |
| Franklin Resources Inc | 385,583 | $83.1M | 0.03% | −112,766−22.6% | Reduced |
| Sumitomo Mitsui Trust Holdings, Inc. | 386,482 | $83.3M | 0.06% | +3,380+0.9% | Added |
| HSBC Holdings PLC | 398,842 | $86.0M | 0.06% | +73,234+22.5% | Added |
| Camber Capital Management LP | 400,000 | $86.3M | 3.02% | +400,000 | New |
| Royal Bank of Canada | 403,278 | $87.0M | 0.02% | +29,264+7.8% | Added |
| California Public Employees Retirement System | 404,419 | $87.2M | 0.06% | +41,210+11.3% | Added |
| AXA S.A. | 407,838 | $87.9M | 0.26% | −42,905−9.5% | Reduced |
| Swiss National Bank | 433,900 | $93.6M | 0.07% | −19,000−4.2% | Reduced |
| Bank of America Corp | 443,622 | $95.7M | 0.01% | +17,048+4.0% | Added |
| Standard Life Aberdeen plc | 455,864 | $98.3M | 0.19% | +18,789+4.3% | Added |
| UBS Group AG | 475,826 | $102.6M | 0.03% | +137,472+40.6% | Added |
| Barclays PLC | 540,565 | $116.6M | 0.05% | +8,305+1.6% | Added |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 570,533 | $123.0M | 0.33% | +122,101+27.2% | Added |
| Massachusetts Financial Services Co | 574,975 | $124.0M | 0.04% | −5,090−0.9% | Reduced |
| Allianz Asset Management GmbH | 620,244 | $133.7M | 0.23% | −98,475−13.7% | Reduced |
| FMR LLC | 620,850 | $133.9M | 0.01% | −380,294−38.0% | Reduced |
| Sarissa Capital Management LP | 643,000 | $138.7M | 24.26% | 00.0% | Unchanged |
| Employees Provident Fund Board | 678,080 | $146.2M | 2.57% | +113,807+20.2% | Added |
| FIL Ltd | 702,412 | $151.5M | 0.15% | +45,910+7.0% | Added |
| Ra Capital Management, L.P. | 740,727 | $159.7M | 2.03% | +207,835+39.0% | Added |
| Ameriprise Financial Inc | 798,660 | $172.3M | 0.05% | +596,173+294.4% | Added |
| American Century Companies Inc | 842,467 | $181.7M | 0.11% | −146,209−14.8% | Reduced |
| Charles Schwab Investment Management Inc | 858,805 | $185.2M | 0.04% | +9,805+1.2% | Added |
| Amundi | 985,802 | $187.8M | 0.08% | −215,904−18.0% | Reduced |
| Renaissance Technologies LLC | 884,704 | $190.8M | 0.30% | +126,098+16.6% | Added |
| OrbiMed Advisors LLC | 900,900 | $194.3M | 3.80% | +73,300+8.9% | Added |
| UBS Asset Management Americas Inc | 972,143 | $209.6M | 0.07% | −42,440−4.2% | Reduced |
| Goldman Sachs Group Inc | 994,365 | $214.4M | 0.05% | −101,458−9.3% | Reduced |
| Pictet Asset Management Holding SA | 1,014,278 | $218.9M | 0.24% | −243,681−19.4% | Reduced |
| Deutsche Bank AG | 1,057,461 | $228.0M | 0.11% | −132,429−11.1% | Reduced |
| Legal & General Group Plc | 1,307,720 | $282.0M | 0.08% | −17,376−1.3% | Reduced |
| Dimensional Fund Advisors LP | 1,320,986 | $284.8M | 0.08% | −103,673−7.3% | Reduced |
| Bank of New York Mellon Corp | 1,376,002 | $296.7M | 0.06% | −13,696−1.0% | Reduced |
| Northern Trust Corp | 1,388,386 | $299.4M | 0.05% | −106,577−7.1% | Reduced |
| Norges Bank | 1,523,141 | $328.4M | 0.05% | +59,570+4.1% | Added |
| Clearbridge Investments, LLC | 1,561,660 | $336.7M | 0.27% | −117,642−7.0% | Reduced |
| Beutel, Goodman & Co Ltd. | 1,565,785 | $337.6M | 1.74% | +570,329+57.3% | Added |
| Price T Rowe Associates Inc | 1,589,629 | $342.8M | 0.04% | +81,283+5.4% | Added |
| Invesco Ltd. | 1,668,017 | $359.7M | 0.08% | −146,649−8.1% | Reduced |
| Morgan Stanley | 1,701,383 | $366.9M | 0.03% | +123,606+7.8% | Added |
| Van Eck Associates Corp | 1,737,340 | $374.6M | 0.57% | +316,144+22.2% | Added |
| Geode Capital Management, LLC | 3,409,674 | $733.4M | 0.07% | +100,357+3.0% | Added |
| JPMorgan Chase & Co | 4,720,144 | $1.02B | 0.09% | −352,496−6.9% | Reduced |
| Wellington Management Group LLP | 5,120,142 | $1.10B | 0.20% | −204,254−3.8% | Reduced |
| T. Rowe Price Investment Management, Inc. | 5,169,970 | $1.11B | 0.68% | −187,356−3.5% | Reduced |
| State Street Corp | 6,747,008 | $1.45B | 0.07% | −198,657−2.9% | Reduced |
| BlackRock Inc. | 14,144,988 | $3.05B | 0.07% | −101,670−0.7% | Reduced |
| Primecap Management Co | 16,220,716 | $3.50B | 2.61% | −43,765−0.3% | Reduced |
| Vanguard Group Inc | 16,570,398 | $3.57B | 0.07% | +2,163,068+15.0% | Added |
| Carmignac Gestion | 0 | $0 | 0.00% | −361,395−100.0% | Sold out |
| Balyasny Asset Management LLC | 0 | $0 | 0.00% | −317,302−100.0% | Sold out |
| Lord, Abbett & Co. LLC | 0 | $0 | 0.00% | −159,399−100.0% | Sold out |
| LSV Asset Management | 0 | $0 | 0.00% | −117,030−100.0% | Sold out |
| Moore Capital Management, LP | 0 | $0 | 0.00% | −90,000−100.0% | Sold out |
| Vestal Point Capital, LP | 0 | $0 | 0.00% | −75,000−100.0% | Sold out |
| Brandywine Global Investment Management, LLC | 0 | $0 | 0.00% | −70,041−100.0% | Sold out |
| Mn Services Vermogensbeheer B.V. | 0 | $0 | 0.00% | −67,208−100.0% | Sold out |
| Capitolis Liquid Global Markets LLC | 0 | $0 | 0.00% | −54,000−100.0% | Sold out |
| Tri Locum Partners LP | 0 | $0 | 0.00% | −45,814−100.0% | Sold out |
| Caxton Associates LP | 0 | $0 | 0.00% | −45,000−100.0% | Sold out |
| Weiss Multi-Strategy Advisers LLC | 0 | $0 | 0.00% | −34,696−100.0% | Sold out |
| Saturn V Capital Management LLC | 0 | $0 | 0.00% | −32,469−100.0% | Sold out |
| Healthcare of Ontario Pension Plan Trust Fund | 0 | $0 | 0.00% | −25,000−100.0% | Sold out |
| Summit Partners Public Asset Management, LLC | 0 | $0 | 0.00% | −20,830−100.0% | Sold out |
| Greenwood Capital Associates LLC | 0 | $0 | 0.00% | −19,145−100.0% | Sold out |
| GTS Securities LLC | 0 | $0 | 0.00% | −15,981−100.0% | Sold out |
| Abn Amro Investment Solutions | 0 | $0 | 0.00% | −14,586−100.0% | Sold out |
| Tredje AP-fonden | 0 | $0 | 0.00% | −13,263−100.0% | Sold out |
| Fred Alger Management, LLC | 0 | $0 | 0.00% | −13,235−100.0% | Sold out |
| Group One Trading, L.P. | 0 | $0 | 0.00% | −12,786−100.0% | Sold out |
| Power Corp of Canada | 0 | $0 | 0.00% | −11,158−100.0% | Sold out |
| Beck Bode, LLC | 0 | $0 | 0.00% | −10,677−100.0% | Sold out |
| Nippon Life Global Investors Americas, Inc. | 0 | $0 | 0.00% | −6,630−100.0% | Sold out |
| Cetera Advisor Networks LLC | 0 | $0 | 0.00% | −6,320−100.0% | Sold out |
| PDT Partners, LLC | 0 | $0 | 0.00% | −6,125−100.0% | Sold out |
| Summit Global Investments | 0 | $0 | 0.00% | −6,088−100.0% | Sold out |
| STRS Ohio | 0 | $0 | 0.00% | −5,825−100.0% | Sold out |
| Empirical Financial Services, LLC d.b.a. Empirical Wealth Management | 0 | $0 | 0.00% | −5,234−100.0% | Sold out |
| Eaton Financial Holdings Company, LLC | 0 | $0 | 0.00% | −5,062−100.0% | Sold out |
| FDx Advisors, Inc. | 0 | $0 | 0.00% | −4,396−100.0% | Sold out |
| Atria Investments LLC | 0 | $0 | 0.00% | −4,374−100.0% | Sold out |
| Gotham Asset Management, LLC | 0 | $0 | 0.00% | −3,684−100.0% | Sold out |
| Cowen and Company, LLC | 0 | $0 | 0.00% | −3,326−100.0% | Sold out |
| Alhambra Investment Partners LLC | 0 | $0 | 0.00% | −3,219−100.0% | Sold out |
| Aigen Investment Management, LP | 0 | $0 | 0.00% | −3,108−100.0% | Sold out |
| Impax Asset Management Group plc | 0 | $0 | 0.00% | −3,088−100.0% | Sold out |
| Nomura Holdings Inc | 0 | $0 | 0.00% | −2,924−100.0% | Sold out |
| Kornitzer Capital Management Inc | 0 | $0 | 0.00% | −2,075−100.0% | Sold out |
| Camelot Portfolios, LLC | 0 | $0 | 0.00% | −2,000−100.0% | Sold out |
| Corton Capital Inc. | 0 | $0 | 0.00% | −1,978−100.0% | Sold out |
| Machina Capital S.A.S. | 0 | $0 | 0.00% | −1,976−100.0% | Sold out |
| AE Wealth Management LLC | 0 | $0 | 0.00% | −2,014−100.0% | Sold out |
| IFG Advisory, LLC | 0 | $0 | 0.00% | −1,779−100.0% | Sold out |
| Maven Securities LTD | 0 | $0 | 0.00% | −1,709−100.0% | Sold out |