CIENA CORP (CIEN)
Telephone & Telegraph Apparatus
Latest Price
$377.05
TTM P/E
125.68
Normalized P/E
244.67
Div Yield
--
Book Value
20.38
P/B Ratio
18.51
Valuation metrics
adjust assumptions →EPS: $0.85
Book value / share: $19.35
Formula: √(22.5 × EPS × BVPS)
Graham Number
$19.24
95% downside
Norm. op. income: $347M (median of 7yr)
Tax rate: 21%
Discount rate: 10%
Growth assumption: zero (EPV is a no-growth value)
Earnings Power Value
$17.91
95% downside
Base FCF: $420M (median of recent 5yr)
Growth: 21%/yr (median YOY, capped at 25%)
Discount rate: 10%
Terminal growth: 3%
Projection horizon: 10 years
DCF Fair Value
$165.79
56% downside
EPS: $0.85
Target P/E: 15×
Formula: EPS × P/E
P/E Fair Value
$12.75
97% downside
Institutional Ownership
88.0% held by institutions| Institution | Shares | Value | Ownership % | Change | Filing Date |
|---|---|---|---|---|---|
| FMR LLC | 21.21M | $8.23B | 14.98% | +81.5K | 2026-03-31 |
| BlackRock, Inc. | 13.37M | $5.19B | 9.44% | -3.30M | 2026-03-31 |
| VANGUARD CAPITAL MANAGEMENT LLC | 9.17M | $3.56B | 6.48% | -- | 2026-03-31 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 7.37M | $2.86B | 5.20% | -- | 2026-03-31 |
| STATE STREET CORP | 6.31M | $2.45B | 4.46% | +1.21M | 2026-03-31 |
| PRICE T ROWE ASSOCIATES INC /MD/ | 5.24M | $2.04B | 3.70% | +1.19M | 2026-03-31 |
| GEODE CAPITAL MANAGEMENT, LLC | 4.07M | $1.58B | 2.87% | +1.38M | 2026-03-31 |
| Capital Research Global Investors | 2.75M | $1.07B | 1.94% | -- | 2026-03-31 |
| BANK OF AMERICA CORP /DE/ | 1.95M | $758.0M | 1.38% | -209.8K | 2026-03-31 |
| Capital World Investors | 1.72M | $669.0M | 1.22% | -144.1K | 2026-03-31 |