Vanguard · BIIB Holdings Trend
Biogen · SEC 13F
Vanguard Holdings of BIIB by Quarter
Quarter Shares Value
| Quarter | Shares | Value | QoQ Change |
|---|---|---|---|
| 2024Q1 | 31.0M | $7.3B | — |
| 2024Q2 | 16.6M | $3.8B | -47.3% |
| 2024Q3 | 16.7M | $3.2B | -16.0% |
| 2024Q4 | 16.7M | $2.6B | -20.8% |
| 2025Q1 | 17.0M | $2.3B | -9.0% |
| 2025Q2 | 17.3M | $2.2B | -6.8% |
| 2025Q3 | 17.3M | $2.4B | +11.5% |
| 2025Q4 | 17.4M | $3.1B | +26.8% |
| 2026Q1 | 27.0M | $5.0B | +61.4% |
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Data source: SEC EDGAR Form 13F