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NYSE · Technology

CIENA CORP (CIEN)

As-reported financials and recent SEC filings for CIENA CORP, latest fiscal period FY2025. 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

Revenue
$4.77B
Revenue growth (YoY)
18.8%
Net income
$123.3M
Diluted EPS
$0.85
Gross margin
42.0%
Operating margin
4.1%
Net margin
2.6%
FCF margin
13.9%
ROE
4.5%
P/E (TTM)
125.3×
Market cap
$53.40B
Debt / equity
0.6×

Fundamentals are from SEC filings. P/E and market cap are derived from recent market prices, refreshed on a rolling basis (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 Q2 FY2026: revenue $1.6B, up 39.5% from Q2 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).

Gross margin42.0%
41st percentile of 507
Operating margin4.1%
54th percentile of 562
Net margin2.6%
50th percentile of 576
FCF margin13.9%
59th percentile of 541
Revenue growth (YoY)+18.8%
71st percentile of 616
ROE4.5%
52nd percentile of 536
P/E (TTM)125.3×
92nd percentile of 332
Debt / equity0.56×
65th percentile of 276
Short interest2.40d
30th percentile of 623

Ciena’s P/E of 125.3 ranks in the 92nd percentile of the 332 peers with a meaningful P/E.

No open-market insider buys in the last 90 days; 19 insider sales totaling $17.6M. For context, about 16% of companies in the universe saw any open-market insider buying 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 5 of the superinvestors we track (plus 7 quant / multi-strat books), based on each investor’s most recent 13F (latest Q1 2026).

Conviction investors
5
+7 quant / multi-strat
Initiated / added
3
1 new, 2 added
Reduced / exited
9
9 trimmed, 0 exited
Combined position
$1.23B
reported long value
InvestorAs ofPosition valueSharesChange
AQR Capital ManagementquantQ1 2026$374.5M977.1KReduced
Lone Pine CapitalQ1 2026$314.3M809.5KNew
Point72 Asset ManagementquantQ1 2026$211.5M544.7KAdded
Whale Rock Capital ManagementQ1 2026$89.8M231.3KReduced
Bridgewater AssociatesQ1 2026$55.8M143.8KReduced
Citadel AdvisorsquantQ1 2026$54.5M140.4KReduced
Gotham Asset ManagementQ1 2026$47.1M121.3KReduced
Renaissance TechnologiesquantQ1 2026$38.0M97.8KAdded
Millennium ManagementquantQ1 2026$35.2M90.7KReduced
D. E. ShawquantQ1 2026$3.5M8.9KReduced
Two Sigma InvestmentsquantQ1 2026$1.4M3.5KReduced
First Eagle Investment ManagementQ1 2026$1.0M2.6KReduced

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.

Buys (90d)
0
open-market
Bought (90d)
open-market value
Sells (90d)
19
$17.6M
Signal
Net selling
by $ value, 90d
Trade dateInsiderTypeSharesPriceValue
2026-07-15
filed 2026-07-17
SMITH GARY BPresident, CEOSell3.0K$421.10$1.2M
2026-07-15
filed 2026-07-17
Rothenstein David MSVP and Chief Strategy OfficerSell2.5K$420.91$1.1M
2026-07-15
filed 2026-07-17
Gage BrodieSVP Global Products & SupplySell1.2K$449.15$539K
2026-07-15
filed 2026-07-17
DiPerna DinoSVP Global R&DSell391$449.15$176K
2026-07-15
filed 2026-07-17
DiPerna DinoSVP Global R&DSell391$449.15$176K
2026-07-01
filed 2026-07-06
SMITH GARY BPresident, CEOSell3.0K$468.83$1.4M
2026-07-01
filed 2026-07-06
Phipps JasonSVP Global Sales and MarketingSell2.6K$466.20$1.2M
2026-07-01
filed 2026-07-06
Kosaraju SheelaSVP and General CounselSell2.0K$466.20$938K
2026-07-01
filed 2026-07-06
Graff Marc D.SVP & Chief Financial OfficerSell126$466.20$59K
2026-06-26
filed 2026-06-30
Cumello JosephSVP, General Mgr. Blue PlanetSell1.6K$466.33$740K
2026-06-24
filed 2026-06-26
Graff Marc D.SVP & Chief Financial OfficerSell126$449.36$57K
2026-06-15
filed 2026-06-17
SMITH GARY BPresident, CEOSell3.0K$457.02$1.3M

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.

Shares short
4.0M
settled 2026-07-15
Change vs prior
+3.6%
vs previous settlement
Days to cover
2.40
at avg daily volume
Avg daily volume
1.7M
FINRA reported
SettlementShares shortChangeDays to cover
2026-07-154.0M+3.6%2.40
2026-06-303.9M-19.1%1.00
2026-06-154.8M+5.7%1.11
2026-05-294.5M-0.5%2.15
2026-05-154.5M+3.8%2.41
2026-04-304.4M-7.0%2.02
2026-04-154.7M-21.5%1.59
2026-03-316.0M+18.5%1.66

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)

 FY2025FY2024FY2023FY2022FY2021
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 methodology.

Balance sheet (as reported)

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 methodology.

Cash flow (as reported)

 FY2025FY2024FY2023FY2022FY2021
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 methodology.

Quarterly trend (as reported)

QuarterRevenueRevenue YoYNet incomeDiluted EPS
Q2 FY2026$1.57B39.5%$218.2M$1.49
Q1 FY2026$1.43B33.1%$150.3M$1.03
Q4 FY2025$1.35B20.3%$19.5M$0.13
Q3 FY2025$1.22B29.4%$50.3M$0.35
Q2 FY2025$1.13B23.6%$9.0M$0.06
Q1 FY2025$1.07B3.3%$44.6M$0.31
Q4 FY2024$1.12B-0.5%$37.0M$0.25
Q3 FY2024$942.3M-11.8%$14.2M$0.10

Latest 8 reported quarters, from company XBRL filings on SEC EDGAR.

Company facts

ExchangeNYSE
SectorTechnology
SIC industryTelephone & Telegraph Apparatus
Fiscal year endOctober 31
Latest fiscal periodFY2025
SEC filings since2020
SEC CIK936395

Recent SEC filings

10-K2025-12-12
View on EDGAR →
10-K2024-12-20
View on EDGAR →
10-Q2026-06-04
View on EDGAR →
10-Q2026-03-05
View on EDGAR →
10-Q2025-09-04
View on EDGAR →
10-Q2025-06-05
View on EDGAR →
8-K2026-06-11
View on EDGAR →
8-K2026-06-08
View on EDGAR →

Largest Technology peers

All Technology companies →

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Data sourced from SEC EDGAR (public domain). Figures are as-reported and may be unaudited or restated; verify against the source filing before relying on them. Informational only. Not investment advice.