Ciena Corporation (CIEN)
CIEN · Information Technology · 
United States
Ciena Corporation (CIEN) is a US company in the Information Technology sector. The stock has its largest weight in XDEM (MSCI World Momentum), at 0.36%. Anyone who holds an ETF containing Ciena Corporation also has an indirect stake in the company.
Data and Charts: Ciena Corporation
Key Data for Ciena Corporation
Ciena Corporation Stock Price Chart
The Ciena Corporation chart shows daily closing prices and is set to the current year by default. The stock is up 37.1% year to date and up 69.7% over twelve months. The last recorded close on October 30, 2026, was $320.72, at 32% of the 52-week range.
Price series from our database since Aug 12, 2024, 558 daily values.
Ciena Corporation Stock Performance
| Year to date | +37.1% | 1 year | +69.7% |
|---|---|---|---|
| 1 month | -8.8% | 3 months | -14.9% |
| Calendar year 2025 | +175.8% |
Measured in euros, Ciena Corporation is up 44.2% year to date and up 75.5% over twelve months. The difference from the dollar figures above comes from the exchange rate alone. Each daily price is converted at the ECB euro reference rate for that day.
Alysly Data Analysis: Ciena Corporation
What ETF Is Ciena Corporation In?
Ciena Corporation has above-average ETF coverage and is held by 23 of the 104 ETFs we track, which together follow 12 indices. That puts the stock in more ETFs than 87.8% of the 4,341 stocks we track.
| ETF | Index | Weight | per €1,000 in the ETF |
|---|---|---|---|
| XDEM | MSCI World Momentum | 0.36% | €3.58 |
| XDEW | S&P 500 Equal Weight | 0.20% | €2.01 |
| XUIT / XUTC | MSCI USA Information Technology | 0.20% | €1.97 |
| QDVE | S&P 500 Information Technology | 0.19% | €1.90 |
| XDWT / XMIT | MSCI World Information Technology | 0.18% | €1.77 |
| XDEB | MSCI World Minimum Volatility | 0.10% | €0.99 |
| SPYL / SPY5 | S&P 500 | 0.07% | €0.75 |
| XD9U / XD9D | MSCI USA | 0.07% | €0.74 |
| SXR8 | S&P 500 | 0.07% | €0.70 |
| SWWD | MSCI World | 0.05% | €0.54 |
| SPPW | MSCI World | 0.05% | €0.54 |
| XDWD / XDWL | MSCI World | 0.05% | €0.54 |
| EUNL | MSCI World | 0.05% | €0.50 |
| IUSQ | MSCI ACWI | 0.05% | €0.50 |
| WIMI | MSCI World IMI | 0.05% | €0.48 |
| SPYY | MSCI ACWI | 0.05% | €0.47 |
| SPYI / SPSA | MSCI ACWI IMI | 0.04% | €0.43 |
The last column shows how much of €1,000 in one of these funds goes to Ciena Corporation, based on each fund's latest holdings list.
US-listed ETFs holding Ciena Corporation (weight per latest SEC filing): XLK 0.39%, VGT 0.24%, VUG 0.21%, IVV 0.11%, SPY 0.11%, VOO 0.11%, VTI 0.10%. These funds are registered in the US; retail investors in the EU usually cannot buy them.
What's Inside Your ETF Portfolio and the ETF overlap check show how much Ciena Corporation overlaps with the rest of a portfolio.
Which Tracked Investors Hold Ciena Corporation?
Ciena Corporation is not among the largest purchases in the quarter ending Jun 30, 2026. The list is led by GOOGL, DAL and NEBIUS GROUP N.V. The only manager we track that holds Ciena Corporation reduced its position.
| Investor | Shares | Value | Quarter |
|---|---|---|---|
| Bridgewater Associates | 101,038 | $50M | reduced by 42,808 |
As of Jun 30, 2026. Based on quarterly filings with the US securities regulator, submitted up to 45 days after the reference date. The change counts shares, not price gains.
What Ciena Corporation Executives and Directors Traded Recently
| Date | Person | Type | Shares | Price |
|---|---|---|---|---|
| Oct 15, 2026 | Gage Brodie Officer, EVP & Chief Product & Tech | Sell (plan) | 1,200 | $344.08 |
| Oct 15, 2026 | DiPerna Dino Officer, EVP & Chief R&D Officer | Sell (plan) | 445 | $350.00 |
| Oct 15, 2026 | DiPerna Dino Officer, EVP & Chief R&D Officer | Sell (plan) | 445 | $344.08 |
| Oct 15, 2026 | Rothenstein David M Officer, EVP & Chief Strategy Officer | Sell (plan) | 2,500 | $348.06 |
| Oct 15, 2026 | SMITH GARY B Director, Officer, President & CEO | Sell (plan) | 2,952 | $348.02 |
| Oct 1, 2026 | SMITH GARY B Director, Officer, President & CEO | Sell (plan) | 2,952 | $369.66 |
| Oct 1, 2026 | Graff Marc D. Officer, EVP & Chief Financial Officer | Sell (plan) | 97 | $355.19 |
| Oct 1, 2026 | Kosaraju Sheela Officer, EVP & Chief Legal Officer | Sell (plan) | 2,101 | $355.19 |
The table shows open-market purchases and sales reported over the past 90 days. Directors, officers and shareholders owning more than ten percent must report such transactions within two trading days. Awards and option exercises are excluded.
“Plan” means the transaction follows a schedule set up in advance under Rule 10b5-1. Sales consistently outnumber purchases in these filings because a large part of executive pay is granted in shares. For comparison: over the period covered, executives and directors reported sales at 271 of 350 tracked companies and purchases at 32.
Stocks With ETF Exposure Similar to Ciena Corporation
| Stock | Shared ETFs | r | 1 year | Annualized volatility | Net margin | Revenue growth |
|---|---|---|---|---|---|---|
| Ciena Corporation | – | – | +69.7% | 66.3% | 2.6% | +18.8% |
 Corning Inc | 23 | +0.73 | +36.6% | 55.2% | 10.2% | +19.1% |
 Qnity Electronics | 23 | – | +20.3% | 55.3% | 14.6% | +9.7% |
 Twilio | 23 | – | +81.7% | 59.1% | 0.7% | +13.7% |
 Fair Isaac Corporation | 22 | – | -55.1% | 53.7% | 32.7% | +15.9% |
 Motorola Solutions | 22 | – | +13.8% | 23.6% | 18.4% | +8.0% |
 Oracle Corporation | 22 | – | -49.1% | 56.7% | 25.4% | +17.3% |
| PTC | 22 | – | -0.9% | 40.3% | 26.8% | +19.2% |
 VeriSign | 22 | – | +30.4% | 26.2% | 49.8% | +6.4% |
These stocks reach a portfolio through largely the same funds as Ciena Corporation. “Shared ETFs” counts the funds that hold both.
Return and volatility are calculated from our daily closing prices in US dollars. Margin and growth come from each company's latest SEC annual filing. Because fiscal years do not end on the same date for every company, the underlying periods are not fully identical.
Fundamental Analysis: Ciena Corporation
Ciena Corporation Key Financials
Figures come from the SEC annual filing for the latest reported fiscal year (period end Nov 1, 2025).
| Fiscal year | Revenue | Net income | Margin |
|---|---|---|---|
| FY ended Oct 2023 | 4.4 | 0.3 | 5.8% |
| FY ended Nov 2024 | 4.0 | 0.1 | 2.1% |
| FY ended Nov 2025 | 4.8 | 0.1 | 2.6% |
Technical Analysis: Ciena Corporation
Ciena Corporation Risk Metrics
The close on Oct 30, 2026, was 48.8% below the highest close since Aug 12, 2024. That high was reached on Jun 2, 2026. When the S&P 500 rose or fell 1%, Ciena Corporation moved 2.79% on average in the same direction (past 252 trading days). The correlation of 0.46 shows a clear but not close link to the broad market. Accordingly, moves in the S&P 500 explain part of the daily price moves of Ciena Corporation, but far from all.
What Ciena Corporation Correlates With
| Instrument | r | −1 … +1 |
|---|---|---|
| Lumentum Holdings Inc. | +0.82 | |
| Coherent Corp. | +0.80 | |
| S&P 500 Informationstechnologie | +0.75 | |
| nVent Electric plc | +0.75 | |
| Fabrinet | +0.74 | |
| Corning Inc | +0.73 | |
| Brown & Brown Inc. | -0.58 | |
| Republic Services Inc. | -0.57 | |
| Waste Management Inc. | -0.55 |
The strongest co-movers are listed at the top, the strongest inverse movers at the bottom. Low or negative correlations can help spread risk more broadly across a portfolio.
