Position history for FRED ALGER MANAGEMENT, LLC's holdings in BIOGEN INC
FRED ALGER MANAGEMENT, LLC holds 733,194 shares of BIIB (BIOGEN INC), worth $134.4M as of 2026-Q1. The position was decreased (-8.2% shares). BIIB represents 0.6% of FRED ALGER MANAGEMENT, LLC's portfolio.
Current Value
$134.4M
Current Shares
733,194
Total Value Change
+$132.8M
Total Shares Change
+721,035
Other major holders of BIIB: UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC
Decreased |
| 733,194 |
-8.2% |
| $134.4M |
| 0.6% |
| $184.02 |
0 |
| 2025-Q4 | Increased | 798,774 | +391x | $140.6M | 0.6% | $176.40 | 69 |
| 2025-Q3 | New | 2,039 | - | $285,623 | 0.0% | $138.52 | 32 |
| 2025-Q2 | Exited | 0 | -100.0% | $0 | 0.0% | $126.08 | 0 |
| 2025-Q1 | New | 12,159 | - | $1.7M | 0.0% | $138.37 | 36 |