CIENA CORP (CIEN)
As-reported financials and SEC filings for CIENA CORP. The latest annual period is FY2025. The latest reported quarter is Q3 FY2026. Financial statements come straight from the company’s EDGAR filings; valuation figures such as P/E and market cap use market data.
About CIENA CORP
Ciena Corp is a network technology company that provides hardware, software, and services to network operators worldwide. Its main products include optical networking systems, routing and switching platforms, and automation software designed to enhance network capacity, service delivery, and operational efficiency. Ciena serves cloud providers, communications service providers, cable operators, governments, and enterprises across various industries.
Snapshot
Fundamentals are from SEC filings for FY2025, the latest annual period (ended November 1, 2025). P/E and market cap are derived from stored market prices, last retrieved on a rolling basis and typically within the past week.
What changed at Ciena
- Revenue grew 18.8% to $4.8B in FY2025, after a 8.5% decline the year before.
- Operating margin is 4.1% in FY2025, -9.5 pp against 13.7% in FY2021.
- Most recent quarter Q3 FY2026: revenue $1.7B, up 37.0% from Q3 FY2025.
- Free cash flow was $665M in FY2025, 13.9% of revenue.
- Net income rose 46.9% to $123M in FY2025.
Computed from the as-reported figures in the statements below. A change we cannot state from filed figures is left out rather than estimated.
Peer comparison
Where Ciena’s fundamentals sit among the 625 Technology companies. Each figure is ranked only against peers that report it, from lowest (left) to highest (right).
Ciena’s P/E of 76.5 ranks in the 87th percentile of the 329 peers with a meaningful P/E.
No reported insider purchases (code P) in the last 90 days; 20 insider sales totaling $17.9M. For context, about 14% of companies in the universe saw any reported insider purchase (code P) in the same window. Browse insider activity →
Percentiles describe where a figure sits among sector peers reporting it (100th = highest). They are position within a peer group, not a rating, and not investment advice. Short interest ranking uses days to cover from FINRA Consolidated Short Interest data; FINRA is the owner and source of that data, included at no additional charge.
Institutional ownership
Held by 3 of the superinvestors we track (plus 7 quant / multi-strat books), based on each investor’s most recent 13F; periods vary by investor (newest: Q2 2026).
| Investor | As of | Position value | Shares | Change |
|---|---|---|---|---|
| AQR Capital Managementquant | Q2 2026 | $507.2M | 1.1M | Added |
| Citadel Advisorsquant | Q2 2026 | $105.0M | 214.1K | Added |
| Point72 Asset Managementquant | Q2 2026 | $103.3M | 210.5K | Reduced |
| Renaissance Technologiesquant | Q2 2026 | $90.6M | 184.8K | Added |
| Millennium Managementquant | Q2 2026 | $81.6M | 166.4K | Added |
| D. E. Shawquant | Q2 2026 | $65.3M | 133.2K | Added |
| Gotham Asset Management | Q2 2026 | $55.4M | 113.0K | Reduced |
| Bridgewater Associates | Q2 2026 | $49.6M | 101.0K | Reduced |
| Two Sigma Investmentsquant | Q2 2026 | $4.7M | 9.5K | Added |
| First Eagle Investment Management | Q2 2026 | $981,120 | 2.0K | Reduced |
No longer held by: Lone Pine Capital (as of Q2 2026), Whale Rock Capital Management (as of Q2 2026)
From quarterly Form 13F filings, which can be up to 45 days delayed. Long US-listed positions only: excludes short positions, options, cash, bonds, and non-US holdings, so this is not a manager’s complete portfolio. Counts are of the investors we track, not all institutions. Not investment advice.
Recent insider activity
Non-derivative buys and sells (codes P/S) reported by officers, directors and 10% owners on SEC Form 4.
| Trade date | Insider | Type | Shares | Price | Value |
|---|---|---|---|---|---|
2026-09-01 filed 2026-09-02 | SMITH GARY BPresident, CEO | Sell | 3.0K | $362.90 | $1.1M |
2026-08-17 filed 2026-08-18 | SMITH GARY BPresident, CEO | Sell | 3.0K | $447.78 | $1.3M |
2026-08-17 filed 2026-08-18 | Gage BrodieSVP Global Products & Supply | Sell | 1.2K | $439.24 | $527K |
2026-08-14 filed 2026-08-18 | Graff Marc D.SVP & Chief Financial Officer | Sell | 5.0K | $430.72 | $2.2M |
2026-08-14 filed 2026-08-18 | Rothenstein David MSVP and Chief Strategy Officer | Sell | 2.5K | $438.10 | $1.1M |
2026-08-03 filed 2026-08-04 | SMITH GARY BPresident, CEO | Sell | 3.0K | $379.81 | $1.1M |
2026-07-15 filed 2026-07-17 | SMITH GARY BPresident, CEO | Sell | 3.0K | $421.10 | $1.2M |
2026-07-15 filed 2026-07-17 | Rothenstein David MSVP and Chief Strategy Officer | Sell | 2.5K | $420.91 | $1.1M |
2026-07-15 filed 2026-07-17 | Gage BrodieSVP Global Products & Supply | Sell | 1.2K | $449.15 | $539K |
2026-07-15 filed 2026-07-17 | DiPerna DinoSVP Global R&D | Sell | 391 | $449.15 | $176K |
2026-07-15 filed 2026-07-17 | DiPerna DinoSVP Global R&D | Sell | 391 | $449.15 | $176K |
2026-07-01 filed 2026-07-06 | SMITH GARY BPresident, CEO | Sell | 3.0K | $468.83 | $1.4M |
Reported non-derivative purchases and sales (codes P/S) — which may be open-market or private; excludes option exercises, grants, and shares withheld for taxes. Dates shown are the trade date; a Form 4 can be filed days to years later. A sale can be routine (e.g. a pre-set 10b5-1 plan), so read individual transactions in context. From SEC Form 4. Not investment advice.
Short interest
Total shares sold short as of each twice-monthly FINRA settlement. Rising short interest means more investors are positioned against the stock; days to cover estimates how many trading days of average volume that position represents.
| Settlement | Shares short | Change | Days to cover |
|---|---|---|---|
| 2026-08-14 | 2.9M | -21.3% | 1.37 |
| 2026-07-31 | 3.7M | -7.1% | 1.62 |
| 2026-07-15 | 4.0M | +3.6% | 2.40 |
| 2026-06-30 | 3.9M | -19.1% | 1.00 |
| 2026-06-15 | 4.8M | +5.7% | 1.11 |
| 2026-05-29 | 4.5M | -0.5% | 2.15 |
| 2026-05-15 | 4.5M | +3.8% | 2.41 |
| 2026-04-30 | 4.4M | -7.0% | 2.02 |
Source: FINRA Consolidated Short Interest. FINRA is the owner and source of the FINRA-supplied data, which is included at no additional charge for your own personal or professional use; republishing or redistributing it is not permitted. Settlement dates are shown; FINRA publishes each settlement about nine business days later, so the latest figure can be two to four weeks old. Not presented as a percentage of float. No FINRA endorsement of this product is implied. Not investment advice.
Income statement (as reported)
| FY2025 | FY2024 | FY2023 | FY2022 | FY2021 | |
|---|---|---|---|---|---|
| Revenue | $4.77B | $4.01B | $4.39B | $3.63B | $3.62B |
| Gross profit | $2.00B | $1.72B | $1.88B | $1.56B | $1.72B |
| Operating income | $197.5M | $166.6M | $357.5M | $222.8M | $495.4M |
| Net income | $123.3M | $84.0M | $254.8M | $152.9M | $500.2M |
| Diluted EPS | $0.85 | $0.58 | $1.71 | $1.00 | $3.19 |
Figures as reported to the SEC. Underlined values link to the filing they came from; dotted values are calculated by us from reported figures; “adj” means restated for a stock split (hover to see the figure as filed). Full details: where the numbers come from.
Balance sheet (as reported)
| FY2025 | FY2024 | FY2023 | FY2022 | FY2021 | |
|---|---|---|---|---|---|
| Cash and equivalents | $1.09B | $934.9M | $1.01B | $994.4M | $1.42B |
| Current assets | $3.57B | $3.54B | $3.58B | $3.39B | $3.19B |
| Total assets | $5.86B | $5.64B | $5.60B | $5.07B | $4.87B |
| Current liabilities | $1.31B | $999.8M | $932.0M | $1.04B | $909.0M |
| Long-term debt | $1.52B | $1.53B | $1.54B | $1.06B | $670.4M |
| Total liabilities | $3.14B | $2.83B | $2.75B | $2.36B | $1.85B |
| Total equity | $2.73B | $2.82B | $2.85B | $2.71B | $3.02B |
Figures as reported to the SEC. Underlined values link to the filing they came from; dotted values are calculated by us from reported figures; “adj” means restated for a stock split (hover to see the figure as filed). Full details: where the numbers come from.
Cash flow (as reported)
| FY2025 | FY2024 | FY2023 | FY2022 | FY2021 | |
|---|---|---|---|---|---|
| Operating cash flow | $806.1M | $514.5M | $168.3M | $-167.8M | $541.6M |
| Capital expenditure | $140.8M | $136.6M | $106.2M | $90.8M | $79.5M |
| Free cash flow | $665.3M | $377.9M | $62.1M | $-258.6M | $462.1M |
Figures as reported to the SEC. Underlined values link to the filing they came from; dotted values are calculated by us from reported figures; “adj” means restated for a stock split (hover to see the figure as filed). Full details: where the numbers come from.
Quarterly trend (as reported)
| Quarter | Revenue | Revenue YoY | Net income | Diluted EPS |
|---|---|---|---|---|
| Q3 FY2026 | $1.67B | 37.0% | $266.4M | $1.83 |
| Q2 FY2026 | $1.57B | 39.5% | $218.2M | $1.49 |
| Q1 FY2026 | $1.43B | 33.1% | $150.3M | $1.03 |
| Q4 FY2025 | $1.35B | 20.3% | $19.5M | $0.13 |
| Q3 FY2025 | $1.22B | 29.4% | $50.3M | $0.35 |
| Q2 FY2025 | $1.13B | 23.6% | $9.0M | $0.06 |
| Q1 FY2025 | $1.07B | 3.3% | $44.6M | $0.31 |
| Q4 FY2024 | $1.12B | -0.5% | $37.0M | $0.25 |
Latest 8 reported quarters, from company XBRL filings on SEC EDGAR.
Company facts
Selected SEC filings
Largest Technology peers
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Data sourced from SEC EDGAR. Figures are as-reported and may be unaudited or restated; verify against the source filing before relying on them. Informational only. Not investment advice.