Position history for UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC's holdings in BIOGEN INC
UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC holds 1.4M shares of BIIB (BIOGEN INC), worth $252.5M as of 2026-Q1. The position was decreased (-1.0% shares). BIIB represents 0.1% of UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC's portfolio.
Current Value
$252.5M
Current Shares
1.4M
Total Value Change
-$10.3M
Total Shares Change
+243,782
Other major holders of BIIB: BNP PARIBAS FINANCIAL MARKETS, DnB Asset Management AS
Decreased |
| 1.4M |
-1.0% |
| $252.5M |
| 0.1% |
| $184.02 |
0 |
| 2025-Q4 | Decreased | 1.4M | -3.3% | $244.9M | 0.1% | $176.40 | 0 |
| 2025-Q3 | Decreased | 1.4M | -17.4% | $201.6M | 0.0% | $138.52 | 0 |
| 2025-Q2 | Increased | 1.7M | +15.4% | $218.9M | 0.0% | $126.08 | 35 |
| 2025-Q1 | Decreased | 1.5M | -1.5% | $206.7M | 0.1% | $138.37 | 0 |
| 2024-Q4 | Increased | 1.5M | +33.1% | $234.6M | 0.1% | $150.19 | 39 |
| 2024-Q3 | Increased | 1.2M | +1.7% | $223.4M | 0.1% | $194.67 | 31 |
| 2024-Q2 | Increased | 1.1M | +16.6% | $262.8M | 0.1% | $231.82 | 36 |