Biogen Inc.
BIIB · Nasdaq
| Manager | Filing date | Shares | Value | Change |
|---|---|---|---|---|
| Blackrock, Inc. | Mar 31, 2026 | 29.51M | $6.15B | +40.05% |
| Vanguard Group Inc | Dec 31, 2025 | 28.12M | $6.11B | +3.10% |
| Fmr Llc | Jun 30, 2026 | 18.22M | $3.96B | +42.18% |
| Blackrock, Inc. | Jun 30, 2026 | 15.99M | $3.47B | -45.83% |
| Primecap Management Co/Ca/ | Jun 30, 2026 | 15.15M | $3.29B | +2.69% |
| Primecap Management Co/Ca/ | Mar 31, 2026 | 14.76M | $3.07B | -0.00% |
| Vanguard Capital Management Llc | Mar 31, 2026 | 14.31M | $2.97B | 0.00% |
| State Street Corp | Mar 31, 2026 | 14.01M | $2.92B | +19.03% |
| Fmr Llc | Mar 31, 2026 | 12.81M | $2.66B | +35.47% |
| Avoro Capital Advisors Llc | Mar 31, 2026 | 12.22M | $2.54B | 0.00% |
| Morgan Stanley | Mar 31, 2026 | 12.21M | $2.54B | +6.22% |
| Vanguard Portfolio Management Llc | Mar 31, 2026 | 11.94M | $2.48B | 0.00% |
| Vanguard Capital Management Llc | Jun 30, 2026 | 9.65M | $2.10B | -32.54% |
| State Street Corp | Jun 30, 2026 | 7.34M | $1.59B | -47.59% |
| Vanguard Portfolio Management Llc | Jun 30, 2026 | 6.60M | $1.43B | -44.66% |
| Ubs Group Ag | Mar 31, 2026 | 6.73M | $1.40B | +39.40% |
| Geode Capital Management, Llc | Mar 31, 2026 | 6.42M | $1.33B | +3.09% |
| Pentwater Capital Management Lp | Mar 31, 2026 | 5.25M | $1.09B | 0.00% |
| Point72 Asset Management, L.P. | Mar 31, 2026 | 4.99M | $1.04B | +46.40% |
| Geode Capital Management, Llc | Jun 30, 2026 | 4.45M | $966.16M | -30.67% |
| Deep Track Capital, Lp | Mar 31, 2026 | 4.53M | $942.46M | -41.52% |
| Jpmorgan Chase & Co | Mar 31, 2026 | 4.06M | $845.05M | +101.68% |
| Norges Bank | Dec 31, 2025 | 3.84M | $797.92M | -17.15% |
| Rtw Investments, Lp | Mar 31, 2026 | 3.69M | $766.27M | -51.94% |
| Hbk Investments L P | Mar 31, 2026 | 3.55M | $738.19M | 0.00% |
| Suvretta Capital Management, Llc | Mar 31, 2026 | 3.52M | $733.42M | -17.63% |
| Montanova Capital, Llc | Mar 31, 2026 | 3.52M | $731.63M | -17.63% |
| Wellington Management Group Llp | Jun 30, 2026 | 3.12M | $676.96M | -2.92% |
| Wellington Management Group Llp | Mar 31, 2026 | 3.21M | $667.75M | -80.27% |
| Goldman Sachs Group Inc | Mar 31, 2026 | 3.03M | $630.32M | +135.24% |
| Norges Bank | Jun 30, 2026 | 2.58M | $560.25M | -32.76% |
| Balyasny Asset Management L.P. | Mar 31, 2026 | 2.57M | $533.90M | +281.46% |
| Morgan Stanley | Jun 30, 2026 | 2.41M | $523.61M | -80.26% |
| Dimensional Fund Advisors Lp | Mar 31, 2026 | 2.42M | $502.82M | +111.82% |
| Aqr Capital Management Llc | Mar 31, 2026 | 2.35M | $488.98M | -38.20% |
| Millennium Management Llc | Mar 31, 2026 | 2.35M | $488.82M | +13.45% |
| Bank Of America Corp /De/ | Mar 31, 2026 | 2.35M | $488.08M | +12.54% |
| Northern Trust Corp | Mar 31, 2026 | 2.19M | $454.35M | +1.98% |
| Invesco Ltd. | Mar 31, 2026 | 2.18M | $453.96M | +16.04% |
| Aqr Capital Management Llc | Jun 30, 2026 | 1.94M | $420.59M | -17.63% |
| Jpmorgan Chase & Co | Jun 30, 2026 | 1.82M | $395.89M | -55.14% |
| Invesco Ltd. | Jun 30, 2026 | 1.80M | $391.73M | -17.37% |
| Charles Schwab Investment Management Inc | Mar 31, 2026 | 1.83M | $379.54M | +2.06% |
| Amundi | Jun 30, 2026 | 1.52M | $329.38M | +84.63% |
| Legal & General Group Plc | Mar 31, 2026 | 1.58M | $328.15M | +2.14% |
| First Trust Advisors Lp | Mar 31, 2026 | 1.58M | $328.05M | +48.58% |
| Legal & General Group Plc | Jun 30, 2026 | 1.49M | $324.27M | -5.37% |
| Ubs Am, A Distinct Business Unit Of Ubs Asset Management Ame | Mar 31, 2026 | 1.56M | $323.87M | -0.81% |
| Northern Trust Corp | Jun 30, 2026 | 1.43M | $310.41M | -34.58% |
| Vanguard Fiduciary Trust Co | Mar 31, 2026 | 1.48M | $307.85M | 0.00% |
