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Calamos Advisors LLC BIIB Position History
Biogen Inc. • Healthcare
Quarters held
4
Latest value
$8M
Q3 2026
Peak value
$8M
First seen
Q4 2025
Dollar value over time
Show data table
| Period | Position value |
|---|---|
| Q4 2025 | $6.3M |
| Q1 2026 | $6.5M |
| Q2 2026 | $7.5M |
| Q3 2026 | $8M |
Quarter-by-quarter history
Every disclosed snapshot of the position
| Quarter | Value | Shares | % Portfolio | Change |
|---|---|---|---|---|
| Q3 2026 | $8M | 35.6K | — | — |
| Q2 2026 | $7.5M | 34.9K | — | — |
| Q1 2026 | $6.5M | 35.5K | — | — |
| Q4 2025 | $6.3M | 35.5K | — | — |
Other funds holding BIIB
$2.8B
$2.2B
$2.2B
$2.1B
$1.8B
$1.6B
$1.6B
$1.6B