Ciena (CIEN)
NYSE Market Closed
Ciena Corporation supplies the networking technology that helps move large volumes of data across telecom, cloud, enterprise, and data centre infrastructure. The company is best known for high-capacity optical transport systems, including coherent optics and routing platforms that allow customers to increase bandwidth over fibre networks. Its products are used in long-haul, metro, subsea, and data centre interconnect applications, making Ciena a key supplier to the global communications backbone.
The business is organised around networking platforms, software and services, automation software, and global services. Its hardware portfolio includes optical line systems, packet networking equipment, and pluggable coherent modules, while its software tools help customers manage network performance, automate operations, and provision capacity more efficiently. Ciena’s Blue Planet platform is focused on network orchestration and service automation, areas that become more important as operators manage increasingly complex multi-vendor networks.
Telecommunications carriers remain an important customer group, but demand from cloud providers, hyperscale data centre operators, internet content companies, and large enterprises has become central to Ciena’s growth profile. Artificial intelligence workloads, video traffic, cloud migration, and 5G network densification all increase the need for faster and more efficient optical connectivity.
Ciena’s competitive position rests on its coherent optical technology, particularly its WaveLogic family. The company’s WaveLogic 6 platform is designed to support extremely high-capacity transmission, including 1.6 terabits per second in suitable applications. That capability is relevant as networks are upgraded to connect AI clusters, regional data centres, and global cloud infrastructure with lower cost per bit and improved energy efficiency.
Last updated
- Market Cap
- 87.72B
- P/E
- 382.97
- P/FCF
- 118.19
- P/S
- 17.12
- Enterprise Value
- 88.13B
- Sector
- Communication Services
- Industry
- Telephone and Telegraph Apparatus
- Address
- 7035 RIDGE ROAD, HANOVER, MD, 21076
Ciena stock sinks despite earnings beat as investors seek bigger AI upside
It’s Not Too Late to Buy These 2 Red-Hot AI Infrastructure Stocks
Questex’s Fierce Network Announces Winners of the 2025 Fierce Network Innovation Awards
The AI Boom Is Fueling an Unlikely Stock Rally—And 3 Companies Are Leading
Great Plains Communications Named by CNET as Best Internet Provider in Nebraska for Third Straight Year
Great Plains Communications Deploys Ciena Coherent Routing Solutions to Upgrade Network in Illinois and Indiana
Photonic Integrated Circuit (PIC) Strategic Business Report 2024: Growing Bandwidth Needs Bring Fiber Optic Networks to the Fore, Steering PIC Demand - Growth Forecasts to 2030
Ciena's (CIEN) Advanced Solutions Portfolio Used by TDC NET
Don't Overlook Ciena (CIEN) International Revenue Trends While Assessing the Stock
Ciena (CIEN) Q2 Earnings: Taking a Look at Key Metrics Versus Estimates
Ciena's (CIEN) Advanced Optical Technology Leveraged by Constl
Wall Street's Insights Into Key Metrics Ahead of Ciena (CIEN) Q2 Earnings
Ambarella (AMBA) Reports Q1 Loss, Tops Revenue Estimates
Earnings Preview: Ciena (CIEN) Q2 Earnings Expected to Decline
Ciena's (CIEN) WaveLogic 5 Extreme Used by Conterra Networks
Amtech Systems (ASYS) Reports Q2 Loss, Tops Revenue Estimates
Ciena (CIEN), Toshiba Team Up for Quantum Safe Technology
Ciena's (CIEN) GeoMesh Extreme Solution Used by SEA-ME-WE 4
Are You a Value Investor? This 1 Stock Could Be the Perfect Pick
Ciena (CIEN) Q1 Earnings Top Estimates, Revenues Decline Y/Y
- Market Cap
Market cap is the total value of a company's shares, calculated by multiplying the stock price by the number of shares outstanding.
- 87.72B
- Enterprise Value
Enterprise value is the total value of a company, including its market cap, debt, and cash.
- 88.13B
- P/E
P/E ratio compares a company's share price to its earnings per share.
- 382.97
- P/B
P/B ratio compares a company's share price to its book value per share.
- 31.41
- P/S
P/S ratio compares a company's share price to its revenue per share.
- 17.12
- EV / EBITDA
EV/EBITDA measures a company's value compared to its earnings before interest, taxes, depreciation, and amortization.
- 214.6
- EV / Sales
EV/Sales measures a company's value compared to its total revenue.
- 17.2
- EPS
- 1.62
- Dividend Yield
Dividend yield shows how much a company pays in dividends each year compared to its share price.
- 0%
- P/FCF
Price-to-free-cash-flow ratio compares a company's share price to the cash it generates after expenses and investments.
- 118.19
- P/CF
P/CF ratio compares a company's share price to the cash flow it generates from its operations.
- 94.32
- Free Cash Flow
Free cash flow is the cash a company has left after covering operating costs and capital expenses.
- 742.21M
- ROE
ROE measures how effectively a company uses shareholders' equity to generate profit.
- 8.2%
- ROA
ROA measures how effectively a company uses its assets to generate profit.
- 3.89%
- Debt / Equity
Debt-to-equity ratio compares a company's total debt to its shareholders' equity.
- 0.55
- Current Ratio
Current ratio measures a company's ability to pay short-term debts using its short-term assets.
- 2.81
- Quick Ratio
Quick ratio measures a company's ability to pay short-term debts using cash and other easily available assets.
- 2.14
- Cash
Cash ratio measures a company's ability to cover short-term debts using only cash and cash equivalents.
- 0.89
- Avg Volume
Average volume shows the average number of shares traded over the last 30 trading days, helping indicate liquidity.
- 2.12M
- Fundamentals Snapshot Price
Fundamentals snapshot price is the stock price used when calculating the company's financial ratios and metrics.
- 620.37
Income Statement
| Line Item | 2026 Q1 | 2025 Q4 | 2025 Q3 | 2025 Q2 | 2025 Q1 |
|---|---|---|---|---|---|
| Revenue | 1.43B | 1.35B | 1.22B | 1.13B | 1.07B |
| Gross profit | 625.52M | 577.18M | 503.08M | 452.84M | 471.82M |
| Operating income | 189.41M | 10.49M | 73.54M | 32.84M | 80.66M |
| EBITDA | 223.53M | 7.53M | 110.96M | 68.66M | 106.89M |
| Net income | 150.28M | 19.49M | 50.31M | 8.97M | 44.57M |
| Basic EPS | 1.06 | 0.14 | 0.35 | 0.06 | 0.31 |
| Diluted EPS | 1.03 | 0.13 | 0.35 | 0.06 | 0.31 |
Balance Sheet
| Line Item | 2026 Q1 | 2025 Q4 | 2025 Q3 | 2025 Q2 | 2025 Q1 |
|---|---|---|---|---|---|
| Total assets | 5.89B | 5.86B | 5.75B | 5.66B | 5.57B |
| Total liabilities | 3.1B | 3.14B | 2.96B | 2.88B | 2.78B |
| Total equity | 2.79B | 2.73B | 2.79B | 2.78B | 2.79B |
| Cash & equivalents | 1.12B | 1.09B | 1.06B | 949.77M | 874.75M |
| Current assets | 3.54B | 3.57B | 3.69B | 3.56B | 3.49B |
| Current liabilities | 1.26B | 1.31B | 1.12B | 1.05B | 956.52M |
Cash Flow
| Line Item | 2026 Q1 | 2025 Q4 | 2025 Q3 | 2025 Q2 | 2025 Q1 |
|---|---|---|---|---|---|
| Operating cash flow | 227.65M | 371.08M | 174.35M | 156.95M | 103.72M |
| Investing cash flow | -43.89M | -213.77M | 19.71M | 19.64M | -67.09M |
| Financing cash flow | -154.55M | -119.77M | -84.9M | -107.79M | -93.46M |
| Change in cash | 31.46M | 35.97M | 106.28M | 75.03M | -60.11M |
| Kind | Filing | Date | Link |
|---|---|---|---|
| edgar index | 4 — CIENA CORP | View Filing | |
| form 4 | Form 4 — SMITH GARY B | View Filing | |
| edgar index | SD — CIENA CORP | View Filing | |
| edgar index | 4 — CIENA CORP | View Filing | |
| edgar index | 4 — CIENA CORP | View Filing | |
| edgar index | 4 — CIENA CORP | View Filing | |
| edgar index | 144 — CIENA CORP | View Filing | |
| edgar index | 144 — CIENA CORP | View Filing | |
| form 4 | Form 4 — SMITH GARY B | View Filing | |
| form 4 | Form 4 — Rothenstein David M | View Filing | |
| form 4 | Form 4 — Gage Brodie | View Filing | |
| edgar index | 4 — CIENA CORP | View Filing | |
| form 4 | Form 4 — SMITH GARY B | View Filing | |
| edgar index | SCHEDULE 13G — CIENA CORP | View Filing | |
| edgar index | SCHEDULE 13G — CIENA CORP | View Filing | |
| edgar index | SCHEDULE 13G/A — CIENA CORP | View Filing | |
| edgar index | 4 — CIENA CORP | View Filing | |
| edgar index | 4 — CIENA CORP | View Filing | |
| edgar index | 4 — CIENA CORP | View Filing | |
| edgar index | 4 — CIENA CORP | View Filing | |
| edgar index | 144 — CIENA CORP | View Filing | |
| edgar index | 144 — CIENA CORP | View Filing | |
| edgar index | 144 — CIENA CORP | View Filing | |
| edgar index | 144 — CIENA CORP | View Filing | |
| form 4 | Form 4 — SMITH GARY B | View Filing | |
| form 4 | Form 4 — Rothenstein David M | View Filing | |
| form 4 | Form 4 — DiPerna Dino | View Filing | |
| form 4 | Form 4 — DiPerna Dino | View Filing | |
| form 4 | Form 4 — Gage Brodie | View Filing | |
| edgar index | 4 — CIENA CORP | View Filing | |
| edgar index | 4 — CIENA CORP | View Filing | |
| edgar index | 4 — CIENA CORP | View Filing | |
| edgar index | 144 — CIENA CORP | View Filing | |
| edgar index | 144 — CIENA CORP | View Filing | |
| form 4 | Form 4 — SMITH GARY B | View Filing | |
| form 4 | Form 4 — Phipps Jason | View Filing | |
| form 4 | Form 4 — Phipps Jason | View Filing | |
| form 4 | Form 4 — Phipps Jason | View Filing | |
| form 4 | Form 4 — Phipps Jason | View Filing | |
| form 4 | Form 4 — Phipps Jason | View Filing | |
| form 4 | Form 4 — Phipps Jason | View Filing | |
| form 4 | Form 4 — Phipps Jason | View Filing | |
| form 4 | Form 4 — Phipps Jason | View Filing | |
| form 4 | Form 4 — Phipps Jason | View Filing | |
| form 4 | Form 4 — Phipps Jason | View Filing | |
| form 4 | Form 4 — Phipps Jason | View Filing | |
| form 4 | Form 4 — Phipps Jason | View Filing | |
| form 4 | Form 4 — Phipps Jason | View Filing | |
| form 4 | Form 4 — Phipps Jason | View Filing | |
| form 4 | Form 4 — Phipps Jason | View Filing | |
| form 4 | Form 4 — Kosaraju Sheela | View Filing | |
| edgar index | 4 — CIENA CORP | View Filing | |
| edgar index | 4 — CIENA CORP | View Filing | |
| edgar index | 4 — CIENA CORP | View Filing | |
| edgar index | 4 — CIENA CORP | View Filing | |
| edgar index | 4 — CIENA CORP | View Filing | |
| edgar index | 4 — CIENA CORP | View Filing | |
| edgar index | 4 — CIENA CORP | View Filing | |
| edgar index | 4 — CIENA CORP | View Filing | |
| edgar index | 4 — CIENA CORP | View Filing | |
| edgar index | 144 — CIENA CORP | View Filing | |
| edgar index | SCHEDULE 13G/A — CIENA CORP | View Filing | |
| form 4 | Form 4 — FITT LAWTON W | View Filing | |
| form 4 | Form 4 — FITT LAWTON W | View Filing | |
| form 4 | Form 4 — AHMED HASSAN | View Filing | |
| form 4 | Form 4 — PUMA MARY G | View Filing | |
| form 4 | Form 4 — GALLAGHER PATRICK | View Filing | |
| form 4 | Form 4 — NEVENS THOMAS MICHAEL | View Filing | |
| form 4 | Form 4 — Claflin Bruce L. | View Filing | |
| form 4 | Form 4 — Claflin Bruce L. | View Filing | |
| form 4 | Form 4 — KUMAR DEVINDER | View Filing | |
| form 4 | Form 4 — Olsen Joanne Beth | View Filing | |
| edgar index | 4 — CIENA CORP | View Filing | |
| edgar index | 4 — CIENA CORP | View Filing | |
| edgar index | 4 — CIENA CORP | View Filing |