Position history for MARSHALL WACE, LLP's holdings in BIOGEN INC
MARSHALL WACE, LLP holds 229,879 shares of BIIB (BIOGEN INC), worth $42.1M as of 2026-Q1. The position was decreased (-40.4% shares). BIIB represents 0.0% of MARSHALL WACE, LLP's portfolio.
Current Value
$42.1M
Current Shares
229,879
Total Value Change
+$42.1M
Total Shares Change
+229,879
Other major holders of BIIB: PRIMECAP MANAGEMENT CO/CA/
Decreased |
| 229,879 |
-40.4% |
| $42.1M |
| 0.0% |
| $184.02 |
0 |
| 2025-Q4 | Decreased | 385,928 | -56.5% | $67.9M | 0.1% | $176.40 | 0 |
| 2025-Q3 | Increased | 887,661 | +434.9% | $124.3M | 0.1% | $138.52 | 58 |
| 2025-Q2 | Increased | 165,955 | +2712.8% | $20.8M | 0.0% | $126.08 | 46 |
| 2025-Q1 | Decreased | 5,900 | -92.6% | $807,356 | 0.0% | $138.37 | 0 |
| 2024-Q4 | Increased | 79,952 | +20.6% | $12.2M | 0.0% | $150.19 | 33 |
| 2024-Q3 | New | 66,300 | - | $12.9M | 0.0% | $194.67 | 39 |
| 2024-Q2 | Exited | 0 | -100.0% | $0 | 0.0% | $231.82 | 0 |