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CIEN
Ciena Corp
NYSE· Technology· Communication Equipment· CUSIP 171779309
$322.64-10.71%Price as of Oct 23, 00:44 UTC · updated once a day, after the close
At a glance
Ciena Corp (CIEN) is listed on NYSE and classified in Communication Equipment, part of the Technology sector. It is headquartered in Fulton, United States and has 8,898 employees. The company is worth $45.75B and trades at 72.2x its earnings of the last twelve months; the median for its sector is 28.0x. Revenue was $4.77B in fiscal 2025, up 18.8% from the year before. Net income was $123.34M. The share price is 49.4% below its 52-week high of $637.51. 7 of the 38 superinvestors we track held it at the end of Q2 2026. The largest position belongs to Cliff Asness (AQR Capital Management), at $507.24M. In that quarter, 5 of them opened or added to the position and 2 reduced it. Over the last 30 days, company insiders sold $8.35M of its stock on the open market and bought none. $5.99M of those sales were scheduled in advance under 10b5-1 plans.
Written from the data on this page: SEC filings (13F, Form 4, annual reports) and market prices.
Key metrics
- Market cap
- $45.75B
- P/E
- 72.2x
- Forward P/E
- 27.2x
- P/B
- 15.0x
- Dividend yield
- 0.00%
- Payout
- —
- EPS
- $4.47
- ROE
- 22.40%
- Profit margin
- 10.87%
- Revenue growth
- +37.00%
- Beta
- 1.29
- 52-week high
- $637.51
- 52-week low
- $164.13
History
Year by year, from the annual reports; dividends from the payments themselves.
Bars are year-end balances; lines are what happened during the year.
Investors holding this
Major managers that reported this stock in their latest 13F.
Price over time
▲ +452.4% over 5Y.
today you would have $6,128.75▲ +512.9%
Dividends reinvested, splits accounted for. Past prices say what happened, not what will.
Indicators, year by year
The last 18 closed years, each at that year’s closing price and reported numbers.
| Indicator | Median | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 | 2014 | 2013 | 2012 | 2011 | 2010 | 2009 | 2008 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Year-end price | $233.87 | $84.81 | $45.01 | $50.98 | $76.97 | $52.85 | $42.69 | $33.91 | $20.93 | $24.41 | $20.69 | $19.41 | $23.93 | $15.70 | $12.10 | $21.05 | $10.84 | $6.70 |
Fair price, seven ways
Seven formulas applied to the reported numbers, each with its assumption next to the result. None of them predicts a price.
Earnings
$46.55
Square root of 22.5 × earnings × book value. Blind to intangibles, so it undervalues software and brands.
Earnings
—
This formula has no meaning here — usually a loss, negative cash flow, or a missing input.
Earnings
$125.18
Median P/E of 28.0 among peers in the sector.
Earnings
$117.66
Median P/E of 26.3 across this company’s own years on record.
Cash flow
$74.29
Cash flow growing 5.0% a year for 10 years, discounted at 10%, then 2.5% forever.
Operating
—
This formula has no meaning here — usually a loss, negative cash flow, or a missing input.
Dividends
—
Others in the same sector
Companies of similar size in Technology, for comparison. The columns are the same ones above, in the same order.
| Stock | Price | P/E | P/B | Dividend yield | ROE | Market cap |
|---|---|---|---|---|---|---|
| UMCUnited Microelectronics Corp | $18.53 | 17.2x | 3.4x | 2.16% | 21.33% | $46.47B |
| ALABAstera Labs, Inc. | $257.82 | 127.0x | 25.9x | 0.00% | 25.83% | $44.73B |
| NOKNokia Corp | $7.88 | 56.3x | 1.9x | 2.03% | 3.46% | $44.12B |
| XYZBlock, Inc. | $79.02 |
About the company
- 8,898
- Fulton, United States
