BlackRock · BIIB Holdings Trend
Biogen · SEC 13F
BlackRock Holdings of BIIB by Quarter
Quarter Shares Value
| Quarter | Shares | Value | QoQ Change |
|---|---|---|---|
| 2024Q1 | 14.1M | $3.1B | — |
| 2024Q2 | 14.5M | $3.4B | +10.5% |
| 2024Q3 | 15.3M | $3.0B | -11.7% |
| 2024Q4 | 15.5M | $2.4B | -20.5% |
| 2025Q1 | 15.2M | $2.1B | -12.0% |
| 2025Q2 | 13.6M | $1.7B | -18.2% |
| 2025Q3 | 14.8M | $2.1B | +21.5% |
| 2025Q4 | 14.8M | $2.6B | +26.0% |
| 2026Q1 | 16.0M | $2.9B | +12.4% |
← Back to BIIB holders ← Back to BIIB profile
Data source: SEC EDGAR Form 13F