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VANGUARD GROUP INC BIIB Position History
Biogen Inc. • Healthcare
Quarters held
24
Latest value
$144.1M
Q4 2025
Peak value
$2.8B
First seen
Q1 2025
Dollar value over time
Show data table
| Period | Position value |
|---|---|
| Q1 2025 | $2.2B |
| Q1 2025 | $10.2M |
| Q1 2025 | $43M |
| Q1 2025 | $93K |
| Q1 2025 | $29.1M |
| Q1 2025 | $12.2M |
| Q2 2025 | $2.1B |
| Q2 2025 | $9.7M |
| Q2 2025 | $40.7M |
| Q2 2025 | $85K |
| Q2 2025 | $28.2M |
| Q2 2025 | $10.7M |
| Q3 2025 | $108.2M |
| Q3 2025 | $45.7M |
| Q3 2025 | $10.9M |
| Q3 2025 | $32.7M |
| Q3 2025 | $2.2B |
| Q3 2025 | $48K |
| Q4 2025 | $2.8B |
| Q4 2025 | $14M |
| Q4 2025 | $58M |
| Q4 2025 | $61K |
| Q4 2025 | $41.7M |
| Q4 2025 | $144.1M |
Quarter-by-quarter history
Every disclosed snapshot of the position
| Quarter | Value | Shares | % Portfolio | Change |
|---|---|---|---|---|
| Q4 2025 | $144.1M | 818.5K | — | — |
| Q4 2025 | $41.7M | 237.2K | — | — |
| Q4 2025 | $61K | 344 | — | — |
| Q4 2025 | $58M | 329.6K | — | — |
| Q4 2025 | $14M | 79.4K | — | — |
| Q4 2025 | $2.8B | 15.98M | — | — |
| Q3 2025 | $48K | 344 | — | — |
| Q3 2025 | $2.2B | 15.88M | — | — |
| Q3 2025 | $32.7M | 233.4K | — | — |
| Q3 2025 | $10.9M | 78.0K | — | — |
| Q3 2025 | $45.7M | 326.5K | — | — |
| Q3 2025 | $108.2M | 772.3K | — | — |
| Q2 2025 | $10.7M | 85.2K | — | — |
| Q2 2025 | $28.2M | 224.3K | — | — |
| Q2 2025 | $85K | 676 | — | — |
| Q2 2025 | $40.7M | 324.3K | — | — |
| Q2 2025 | $9.7M | 77.1K | — | — |
| Q2 2025 | $2.1B | 16.58M | — | — |
| Q1 2025 | $12.2M | 89.0K | — | — |
| Q1 2025 | $29.1M | 213.0K | — | — |
| Q1 2025 | $93K | 676 | — | — |
| Q1 2025 | $43M | 314.1K | — | — |
| Q1 2025 | $10.2M | 74.7K | — | — |
| Q1 2025 | $2.2B | 16.34M | — | — |
Other funds holding BIIB
$1.8B
$1.6B
$1.6B
$1.6B
$1.5B
$1.4B
$1.3B