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STATE OF MICHIGAN RETIREMENT SYSTEM → CIEN
STATE OF MICHIGAN RETIREMENT SYSTEM CIEN Position History
Ciena Corporation • Technology
Quarters held
5
Latest value
$12.5M
Q3 2026
Peak value
$17.8M
First seen
Q3 2025
Dollar value over time
Show data table
| Period | Position value |
|---|---|
| Q3 2025 | $4.9M |
| Q4 2025 | $7.8M |
| Q1 2026 | $14.3M |
| Q2 2026 | $17.8M |
| Q3 2026 | $12.5M |
Quarter-by-quarter history
Every disclosed snapshot of the position
| Quarter | Value | Shares | % Portfolio | Change |
|---|---|---|---|---|
| Q3 2026 | $12.5M | 35.6K | — | — |
| Q2 2026 | $17.8M | 36.2K | — | — |
| Q1 2026 | $14.3M | 36.8K | — | — |
| Q4 2025 | $7.8M | 33.3K | — | — |
| Q3 2025 | $4.9M | 33.7K | — | — |
Other funds holding CIEN
$3.8B
$3.3B
$3.3B
$3.1B
$2.6B
$2.4B
$1.8B