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 2025
Institutional positions in Biogen Inc. as of Mar 31, 2025. 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
- 882
- +16 vs. Q4 2024
- Shares held
- 129.8M
- −2.03M (−1.5%) vs. Q4 2024
- Total value
- $17.7B
- −$2.41B (−11.9%) vs. Q4 2024
- New holders
- 123
- 331 more added
- Sold out
- 107
- 273 more reduced
13 institutions that held it in Q4 2024 haven't filed for Q1 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 2024: 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 2025
Shares, value and share of portfolio for each institution holding Biogen Inc.; share changes are against Q4 2024.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Loring Wolcott & Coolidge Fiduciary Advisors LLP | 6,193 | $731.8K | 0.01% | −286−4.4% | Reduced |
| Unison Advisors LLC | 5,327 | $728.9K | 0.09% | +249+4.9% | Added |
| Buckingham Strategic Partners | 5,301 | $725.4K | 0.01% | +5,301 | New |
| Crowley Wealth Management, Inc. | 5,295 | $724.6K | 0.69% | −880−14.3% | Reduced |
| BI Asset Management Fondsmaeglerselskab A/S | 5,285 | $723.0K | 0.01% | −1,329−20.1% | Reduced |
| Bridgefront Capital, LLC | 5,275 | $721.8K | 0.21% | +5,275 | New |
| Empirical Finance, LLC | 5,202 | $711.8K | 0.04% | +187+3.7% | Added |
| Omers Administration Corp | 5,180 | $708.8K | 0.01% | −864−14.3% | Reduced |
| Tokio Marine Asset Management Co Ltd | 5,173 | $707.9K | 0.03% | +901+21.1% | Added |
| Spears Abacus Advisors LLC | 5,056 | $691.9K | 0.01% | +10.0% | Added |
| Camelot Portfolios, LLC | 4,950 | $677.4K | 0.42% | +4,950 | New |
| AIA Group Ltd | 4,846 | $663.1K | 0.02% | +4,846 | New |
| First County Bank | 4,772 | $653.0K | 0.36% | +4,772 | New |
| Arrowpoint Investment Partners (Singapore) Pte. Ltd. | 4,763 | $651.8K | 0.30% | +4,763 | New |
| Hills Bank & Trust Co | 4,757 | $650.9K | 0.05% | +187+4.1% | Added |
| Citizens & Northern Corp | 4,713 | $644.9K | 0.18% | +1,819+62.9% | Added |
| Agf Management Ltd | 4,686 | $641.2K | 0.00% | +4,686 | New |
| Systematic Financial Management LP | 4,670 | $639.0K | 0.02% | 00.0% | Unchanged |
| Northwestern Mutual Investment Management Company, LLC | 4,656 | $637.1K | 0.01% | +30+0.6% | Added |
| Allstate Corp | 4,589 | $628.0K | 0.02% | +291+6.8% | Added |
| Private Advisor Group, LLC | 4,556 | $623.4K | 0.00% | −1,341−22.7% | Reduced |
| ADAR1 Capital Management, LLC | 4,500 | $615.8K | 0.12% | +1,455+47.8% | Added |
| Brown Brothers Harriman & Co | 4,464 | $610.9K | 0.00% | −149−3.2% | Reduced |
| Lifeworks Advisors, LLC | 4,453 | $609.3K | 0.10% | +657+17.3% | Added |
| Kennedy Capital Management, Inc. | 4,451 | $609.1K | 0.01% | +56+1.3% | Added |
| Pinnacle Associates Ltd | 4,417 | $604.5K | 0.01% | +163+3.8% | Added |
| Annis Gardner Whiting Capital Advisors, LLC | 4,413 | $603.9K | 0.26% | +4+0.1% | Added |
| EP Wealth Advisors, LLC | 4,384 | $599.9K | 0.00% | −7−0.2% | Reduced |
| Court Place Advisors, LLC | 4,370 | $598.0K | 0.20% | −1,318−23.2% | Reduced |
| Everence Capital Management Inc | 4,360 | $597.0K | 0.04% | 00.0% | Unchanged |
| Tiaa Trust, National Association | 4,343 | $594.3K | 0.00% | +768+21.5% | Added |
| Oppenheimer & Co Inc | 4,290 | $587.0K | 0.01% | +66+1.6% | Added |
| Kentucky Retirement Systems Insurance Trust Fund | 4,236 | $579.7K | 0.04% | −4,129−49.4% | Reduced |
| Sig Brokerage, LP | 4,225 | $578.1K | 0.17% | −186−4.2% | Reduced |
| Hillsdale Investment Management Inc. | 4,210 | $576.1K | 0.03% | −400−8.7% | Reduced |
| V-Square Quantitative Management LLC | 4,209 | $576.0K | 0.08% | +194+4.8% | Added |
| Roberts Glore & Co Inc | 4,163 | $569.7K | 0.17% | +627+17.7% | Added |
| Machina Capital S.A.S. | 4,146 | $567.3K | 0.17% | −1,459−26.0% | Reduced |
| ARGA Investment Management, LP | 4,133 | $565.6K | 0.02% | +601+17.0% | Added |
| QRG Capital Management, Inc. | 4,039 | $552.7K | 0.01% | +1,435+55.1% | Added |
| Cohen Klingenstein LLC | 4,000 | $547.4K | 0.02% | 00.0% | Unchanged |
| Howard Capital Management Inc. | 3,992 | $546.3K | 0.01% | −610−13.3% | Reduced |
| Texas Yale Capital Corp. | 3,987 | $545.6K | 0.02% | 00.0% | Unchanged |
| Farmers & Merchants Investments Inc | 3,967 | $542.8K | 0.02% | −39−1.0% | Reduced |
| Shell Asset Management Co | 3,952 | $541.0K | 0.03% | 00.0% | Unchanged |
| Point72 Hong Kong Ltd | 3,880 | $530.9K | 0.04% | −22,299−85.2% | Reduced |
| Polymer Capital Management (US) LLC | 3,880 | $530.9K | 0.16% | +3,880 | New |
| Wealthedge Investment Advisors, LLC | 3,873 | $530.0K | 0.24% | +2,139+123.4% | Added |
| Cambridge Investment Research Advisors, Inc. | 3,828 | $524.0K | 0.00% | +389+11.3% | Added |
| Ballentine Partners, LLC | 3,824 | $523.3K | 0.01% | +1,384+56.7% | Added |
| Wealthfront Advisers LLC | 3,785 | $517.9K | 0.00% | +1,949+106.2% | Added |
| Wahed Invest LLC | 3,774 | $516.4K | 0.09% | +22+0.6% | Added |
| Quarry LP | 3,755 | $513.8K | 0.13% | +750+25.0% | Added |
| CSS LLC | 3,730 | $510.4K | 0.04% | +3,730 | New |
| United Services Automobile Association | 3,604 | $498.7K | 0.02% | +3,604 | New |
| Westpac Banking Corp | 3,635 | $497.4K | 0.04% | +1,050+40.6% | Added |
| South Dakota Investment Council | 3,613 | $494.0K | 0.01% | 00.0% | Unchanged |
| Crossmark Global Holdings, Inc. | 3,602 | $492.9K | 0.01% | −585−14.0% | Reduced |
| Cornerstone Advisors, LLC | 3,600 | $492.6K | 0.02% | 00.0% | Unchanged |
| Forum Financial Management, LP | 3,540 | $484.4K | 0.01% | −264−6.9% | Reduced |
| Ironwood Financial, llc | 3,535 | $483.7K | 0.10% | 00.0% | Unchanged |
| Humankind Investments LLC | 3,497 | $478.5K | 0.12% | +487+16.2% | Added |
| Uncommon Cents Investing LLC | 3,455 | $472.8K | 0.14% | −10−0.3% | Reduced |
| United Capital Financial Advisers, LLC | 3,378 | $462.3K | 0.00% | −1,496−30.7% | Reduced |
| Coldstream Capital Management Inc | 3,362 | $460.0K | 0.01% | +567+20.3% | Added |
| Arkadios Wealth Advisors | 3,354 | $459.0K | 0.02% | +3,354 | New |
| Panagora Asset Management Inc | 3,319 | $454.2K | 0.00% | 00.0% | Unchanged |
| Great Valley Advisor Group, Inc. | 3,291 | $449.9K | 0.01% | +310+10.4% | Added |
| Savant Capital, LLC | 3,259 | $446.0K | 0.00% | −920−22.0% | Reduced |
| denkapparat Operations GmbH | 3,240 | $443.4K | 0.47% | +1,620+100.0% | Added |
| Investment House LLC | 3,219 | $440.5K | 0.03% | −50−1.5% | Reduced |
| Siemens Fonds Invest GmbH | 3,208 | $439.0K | 0.03% | −1,212−27.4% | Reduced |
| RDA Financial Network | 3,200 | $437.9K | 0.13% | −10−0.3% | Reduced |
| EntryPoint Capital, LLC | 3,179 | $435.0K | 0.20% | +1,540+94.0% | Added |
| Horizon Kinetics Asset Management LLC | 3,169 | $433.6K | 0.00% | 00.0% | Unchanged |
| Simplex Trading, LLC | 3,159 | $432.0K | 0.02% | −30,383−90.6% | Reduced |
| Marex Group plc | 3,081 | $421.6K | 0.01% | −4,411−58.9% | Reduced |
| Ramiah Investment Group | 3,073 | $420.5K | 0.40% | +579+23.2% | Added |
| Park Avenue Securities LLC | 3,066 | $420.0K | 0.01% | +759+32.9% | Added |
| Syon Capital LLC | 3,046 | $416.8K | 0.03% | −891−22.6% | Reduced |
| Storebrand Asset Management AS | 3,045 | $416.7K | 0.00% | −17,921−85.5% | Reduced |
| Evergreen Capital Management LLC | 3,042 | $416.3K | 0.01% | +3,042 | New |
| Congress Wealth Management LLC | 3,033 | $415.6K | 0.00% | +3,033 | New |
| Bessemer Group Inc | 3,037 | $415.0K | 0.00% | +729+31.6% | Added |
| Sequoia Financial Advisors, LLC | 3,017 | $412.8K | 0.00% | −9−0.3% | Reduced |
| MYDA Advisors LLC | 3,000 | $410.5K | 0.15% | −9,000−75.0% | Reduced |
| TownSquare Capital, LLC | 2,985 | $408.5K | 0.00% | +174+6.2% | Added |
| Gsa Capital Partners LLP | 2,963 | $405.0K | 0.04% | −11,483−79.5% | Reduced |
| Greenleaf Trust | 2,955 | $404.4K | 0.00% | −2,110−41.7% | Reduced |
| Fiduciary Trust Co | 2,935 | $401.6K | 0.01% | +335+12.9% | Added |
| Hunter Associates Investment Management LLC | 2,906 | $398.0K | 0.06% | +920+46.3% | Added |
| APG Asset Management US Inc. | 3,010 | $397.4K | 0.00% | 00.0% | Unchanged |
| Cim Investment Mangement Inc | 2,887 | $395.1K | 0.09% | −3−0.1% | Reduced |
| Stevens Capital Management LP | 2,884 | $395.0K | 0.10% | +2,884 | New |
| Claro Advisors LLC | 2,877 | $393.7K | 0.05% | +2,877 | New |
| Eqis Capital Management, Inc. | 2,863 | $391.8K | 0.03% | +839+41.5% | Added |
| Sectoral Asset Management Inc | 2,855 | $390.7K | 0.30% | −997−25.9% | Reduced |
| KCM Investment Advisors LLC | 2,839 | $388.5K | 0.01% | −105−3.6% | Reduced |
| Blackhawk Capital Partners LLC. | 2,789 | $381.6K | 0.20% | +2,789 | New |
| Richwood Investment Advisors, LLC | 2,783 | $380.8K | 0.32% | −348−11.1% | Reduced |