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 |
|---|---|---|---|---|---|
| Evergreen Capital Management LLC | 3,042 | $416.3K | 0.01% | +3,042 | New |
| Storebrand Asset Management AS | 3,045 | $416.7K | 0.00% | −17,921−85.5% | Reduced |
| Syon Capital LLC | 3,046 | $416.8K | 0.03% | −891−22.6% | Reduced |
| Park Avenue Securities LLC | 3,066 | $420.0K | 0.01% | +759+32.9% | Added |
| Ramiah Investment Group | 3,073 | $420.5K | 0.40% | +579+23.2% | Added |
| Marex Group plc | 3,081 | $421.6K | 0.01% | −4,411−58.9% | Reduced |
| Simplex Trading, LLC | 3,159 | $432.0K | 0.02% | −30,383−90.6% | Reduced |
| Horizon Kinetics Asset Management LLC | 3,169 | $433.6K | 0.00% | 00.0% | Unchanged |
| EntryPoint Capital, LLC | 3,179 | $435.0K | 0.20% | +1,540+94.0% | Added |
| RDA Financial Network | 3,200 | $437.9K | 0.13% | −10−0.3% | Reduced |
| Siemens Fonds Invest GmbH | 3,208 | $439.0K | 0.03% | −1,212−27.4% | Reduced |
| Investment House LLC | 3,219 | $440.5K | 0.03% | −50−1.5% | Reduced |
| denkapparat Operations GmbH | 3,240 | $443.4K | 0.47% | +1,620+100.0% | Added |
| Savant Capital, LLC | 3,259 | $446.0K | 0.00% | −920−22.0% | Reduced |
| Great Valley Advisor Group, Inc. | 3,291 | $449.9K | 0.01% | +310+10.4% | Added |
| Panagora Asset Management Inc | 3,319 | $454.2K | 0.00% | 00.0% | Unchanged |
| Arkadios Wealth Advisors | 3,354 | $459.0K | 0.02% | +3,354 | New |
| Coldstream Capital Management Inc | 3,362 | $460.0K | 0.01% | +567+20.3% | Added |
| United Capital Financial Advisers, LLC | 3,378 | $462.3K | 0.00% | −1,496−30.7% | Reduced |
| Uncommon Cents Investing LLC | 3,455 | $472.8K | 0.14% | −10−0.3% | Reduced |
| Humankind Investments LLC | 3,497 | $478.5K | 0.12% | +487+16.2% | Added |
| Ironwood Financial, llc | 3,535 | $483.7K | 0.10% | 00.0% | Unchanged |
| Forum Financial Management, LP | 3,540 | $484.4K | 0.01% | −264−6.9% | Reduced |
| Cornerstone Advisors, LLC | 3,600 | $492.6K | 0.02% | 00.0% | Unchanged |
| Crossmark Global Holdings, Inc. | 3,602 | $492.9K | 0.01% | −585−14.0% | Reduced |
| South Dakota Investment Council | 3,613 | $494.0K | 0.01% | 00.0% | Unchanged |
| Westpac Banking Corp | 3,635 | $497.4K | 0.04% | +1,050+40.6% | Added |
| United Services Automobile Association | 3,604 | $498.7K | 0.02% | +3,604 | New |
| CSS LLC | 3,730 | $510.4K | 0.04% | +3,730 | New |
| Quarry LP | 3,755 | $513.8K | 0.13% | +750+25.0% | Added |
| Wahed Invest LLC | 3,774 | $516.4K | 0.09% | +22+0.6% | Added |
| Wealthfront Advisers LLC | 3,785 | $517.9K | 0.00% | +1,949+106.2% | Added |
| Ballentine Partners, LLC | 3,824 | $523.3K | 0.01% | +1,384+56.7% | Added |
| Cambridge Investment Research Advisors, Inc. | 3,828 | $524.0K | 0.00% | +389+11.3% | Added |
| Wealthedge Investment Advisors, LLC | 3,873 | $530.0K | 0.24% | +2,139+123.4% | Added |
| Polymer Capital Management (US) LLC | 3,880 | $530.9K | 0.16% | +3,880 | New |
| Point72 Hong Kong Ltd | 3,880 | $530.9K | 0.04% | −22,299−85.2% | Reduced |
| Shell Asset Management Co | 3,952 | $541.0K | 0.03% | 00.0% | Unchanged |
| Farmers & Merchants Investments Inc | 3,967 | $542.8K | 0.02% | −39−1.0% | Reduced |
| Texas Yale Capital Corp. | 3,987 | $545.6K | 0.02% | 00.0% | Unchanged |
| Howard Capital Management Inc. | 3,992 | $546.3K | 0.01% | −610−13.3% | Reduced |
| Cohen Klingenstein LLC | 4,000 | $547.4K | 0.02% | 00.0% | Unchanged |
| QRG Capital Management, Inc. | 4,039 | $552.7K | 0.01% | +1,435+55.1% | Added |
| ARGA Investment Management, LP | 4,133 | $565.6K | 0.02% | +601+17.0% | Added |
| Machina Capital S.A.S. | 4,146 | $567.3K | 0.17% | −1,459−26.0% | Reduced |
| Roberts Glore & Co Inc | 4,163 | $569.7K | 0.17% | +627+17.7% | Added |
| V-Square Quantitative Management LLC | 4,209 | $576.0K | 0.08% | +194+4.8% | Added |
| Hillsdale Investment Management Inc. | 4,210 | $576.1K | 0.03% | −400−8.7% | Reduced |
| Sig Brokerage, LP | 4,225 | $578.1K | 0.17% | −186−4.2% | Reduced |
| Kentucky Retirement Systems Insurance Trust Fund | 4,236 | $579.7K | 0.04% | −4,129−49.4% | Reduced |
| Oppenheimer & Co Inc | 4,290 | $587.0K | 0.01% | +66+1.6% | Added |
| Tiaa Trust, National Association | 4,343 | $594.3K | 0.00% | +768+21.5% | Added |
| Everence Capital Management Inc | 4,360 | $597.0K | 0.04% | 00.0% | Unchanged |
| Court Place Advisors, LLC | 4,370 | $598.0K | 0.20% | −1,318−23.2% | Reduced |
| EP Wealth Advisors, LLC | 4,384 | $599.9K | 0.00% | −7−0.2% | Reduced |
| Annis Gardner Whiting Capital Advisors, LLC | 4,413 | $603.9K | 0.26% | +4+0.1% | Added |
| Pinnacle Associates Ltd | 4,417 | $604.5K | 0.01% | +163+3.8% | Added |
| Kennedy Capital Management, Inc. | 4,451 | $609.1K | 0.01% | +56+1.3% | Added |
| Lifeworks Advisors, LLC | 4,453 | $609.3K | 0.10% | +657+17.3% | Added |
| Brown Brothers Harriman & Co | 4,464 | $610.9K | 0.00% | −149−3.2% | Reduced |
| ADAR1 Capital Management, LLC | 4,500 | $615.8K | 0.12% | +1,455+47.8% | Added |
| Private Advisor Group, LLC | 4,556 | $623.4K | 0.00% | −1,341−22.7% | Reduced |
| Allstate Corp | 4,589 | $628.0K | 0.02% | +291+6.8% | Added |
| Northwestern Mutual Investment Management Company, LLC | 4,656 | $637.1K | 0.01% | +30+0.6% | Added |
| Systematic Financial Management LP | 4,670 | $639.0K | 0.02% | 00.0% | Unchanged |
| Agf Management Ltd | 4,686 | $641.2K | 0.00% | +4,686 | New |
| Citizens & Northern Corp | 4,713 | $644.9K | 0.18% | +1,819+62.9% | Added |
| Hills Bank & Trust Co | 4,757 | $650.9K | 0.05% | +187+4.1% | Added |
| Arrowpoint Investment Partners (Singapore) Pte. Ltd. | 4,763 | $651.8K | 0.30% | +4,763 | New |
| First County Bank | 4,772 | $653.0K | 0.36% | +4,772 | New |
| AIA Group Ltd | 4,846 | $663.1K | 0.02% | +4,846 | New |
| Camelot Portfolios, LLC | 4,950 | $677.4K | 0.42% | +4,950 | New |
| Spears Abacus Advisors LLC | 5,056 | $691.9K | 0.01% | +10.0% | Added |
| Tokio Marine Asset Management Co Ltd | 5,173 | $707.9K | 0.03% | +901+21.1% | Added |
| Omers Administration Corp | 5,180 | $708.8K | 0.01% | −864−14.3% | Reduced |
| Empirical Finance, LLC | 5,202 | $711.8K | 0.04% | +187+3.7% | Added |
| Bridgefront Capital, LLC | 5,275 | $721.8K | 0.21% | +5,275 | New |
| BI Asset Management Fondsmaeglerselskab A/S | 5,285 | $723.0K | 0.01% | −1,329−20.1% | Reduced |
| Crowley Wealth Management, Inc. | 5,295 | $724.6K | 0.69% | −880−14.3% | Reduced |
| Buckingham Strategic Partners | 5,301 | $725.4K | 0.01% | +5,301 | New |
| Unison Advisors LLC | 5,327 | $728.9K | 0.09% | +249+4.9% | Added |
| Loring Wolcott & Coolidge Fiduciary Advisors LLP | 6,193 | $731.8K | 0.01% | −286−4.4% | Reduced |
| Fifth Third Bancorp | 5,489 | $751.1K | 0.00% | +2,243+69.1% | Added |
| Northwestern Mutual Wealth Management Co | 5,532 | $757.0K | 0.00% | +177+3.3% | Added |
| Virtu Financial LLC | 5,599 | $766.0K | 0.04% | +1,887+50.8% | Added |
| 111 Capital | 5,620 | $769.0K | 0.15% | +5,620 | New |
| North Star Investment Management Corp. | 5,622 | $769.3K | 0.06% | 00.0% | Unchanged |
| Gifford Fong Associates | 5,750 | $787.0K | 0.20% | 00.0% | Unchanged |
| Marshall Wace, LLP | 5,900 | $807.4K | 0.00% | −74,052−92.6% | Reduced |
| Money Concepts Capital Corp | 5,975 | $817.6K | 0.06% | −3,203−34.9% | Reduced |
| Jacobi Capital Management LLC | 6,011 | $822.5K | 0.06% | +2,064+52.3% | Added |
| Ameritas Investment Partners, Inc. | 6,187 | $846.6K | 0.03% | +131+2.2% | Added |
| Mogy Joel R Investment Counsel Inc | 6,260 | $856.6K | 0.06% | −600−8.7% | Reduced |
| Pensionmark Financial Group, LLC | 6,294 | $861.3K | 0.02% | −17−0.3% | Reduced |
| Missouri Trust & Investment Co | 6,325 | $865.5K | 0.30% | +2,460+63.6% | Added |
| Advisors Asset Management, Inc. | 6,384 | $873.6K | 0.02% | −239−3.6% | Reduced |
| E. Ohman J:or Asset Management AB | 6,399 | $875.6K | 0.02% | 00.0% | Unchanged |
| Inceptionr LLC | 6,546 | $895.8K | 0.27% | +741+12.8% | Added |
| Investment Management Corp of Ontario | 6,578 | $900.1K | 0.02% | +2,508+61.6% | Added |
| Ci Investments Inc. | 6,612 | $905.0K | 0.00% | −544−7.6% | Reduced |