Position history for RENAISSANCE TECHNOLOGIES LLC's holdings in BIOGEN INC
RENAISSANCE TECHNOLOGIES LLC holds 203,396 shares of BIIB (BIOGEN INC), worth $37.3M as of 2026-Q1. The position was decreased (-49.0% shares). BIIB represents 0.1% of RENAISSANCE TECHNOLOGIES LLC's portfolio.
Current Value
$37.3M
Current Shares
203,396
Total Value Change
-$106M
Total Shares Change
-414,710
Other major holders of BIIB: PRIMECAP MANAGEMENT CO/CA/
Decreased |
| 203,396 |
-49.0% |
| $37.3M |
| 0.1% |
| $184.02 |
0 |
| 2025-Q4 | Decreased | 399,196 | -58.6% | $70.3M | 0.1% | $176.40 | 0 |
| 2025-Q3 | Decreased | 964,406 | -7.7% | $135.1M | 0.2% | $138.52 | 0 |
| 2025-Q2 | Increased | 1M | +29.9% | $131.3M | 0.2% | $126.08 | 45 |
| 2025-Q1 | Decreased | 804,506 | -32.5% | $110.1M | 0.2% | $138.37 | 0 |
| 2024-Q4 | Increased | 1.2M | +25.1% | $182.3M | 0.3% | $150.19 | 45 |
| 2024-Q3 | Increased | 952,706 | +54.1% | $184.7M | 0.3% | $194.67 | 51 |
| 2024-Q2 | Decreased | 618,106 | -30.1% | $143.3M | 0.2% | $231.82 | 0 |