Source: Ciena's 10-K / 10-Q XBRL data on SEC EDGAR · fetched Nov 04, 2026
Revenue, net income & free cash flow
Income statement
fiscal years · USD
Fiscal year
FY2018
FY2018
FY2019
FY2019
FY2020
FY2021
FY2022
FY2023
FY2024
FY2025
Revenue
$3.09B
$3.09B
$3.57B
$3.57B
$3.53B
$3.62B
$3.63B
$4.39B
$4.01B
$4.77B
Cost of revenue
$1.78B
$1.78B
$2.03B
$2.03B
$1.88B
$1.90B
$2.07B
$2.51B
$2.30B
$2.76B
Gross profit
$1.31B
$1.31B
$1.54B
$1.54B
$1.65B
$1.72B
$1.56B
$1.88B
$1.72B
$2.00B
Research & development
$491.56M
$491.56M
$548.14M
$548.14M
$529.89M
$536.67M
$624.66M
$750.56M
$767.50M
$848.33M
Operating income
$229.95M
$229.95M
$346.77M
$346.77M
$486.96M
$495.36M
$222.81M
$357.55M
$166.62M
$197.53M
Interest expense
$55.25M
$55.25M
$37.45M
$37.45M
$31.32M
$30.84M
$47.05M
$88.03M
$97.03M
$89.40M
Pre-tax income
$148.78M
$148.78M
$313.19M
$313.19M
$455.96M
$462.75M
$182.50M
$323.65M
$119.85M
$156.29M
Income tax
$493.47M
$493.47M
$59.76M
$59.76M
$94.67M
-$37.45M
$29.60M
$68.83M
$35.89M
$32.95M
Net income
-$344.69M
-$344.69M
$253.43M
$253.43M
$361.29M
$500.20M
$152.90M
$254.83M
$83.96M
$123.34M
EBITDA
$314.16M
$314.16M
$434.34M
$434.34M
$580.87M
$591.59M
$318.73M
$450.11M
$259.46M
$301.66M
EPS (basic)
$-2.40
$-2.40
$1.63
$1.63
$2.34
$3.22
$1.01
$1.71
$0.58
$0.87
EPS (diluted)
$-2.49
$-2.49
$1.61
$1.61
$2.32
$3.19
$1.00
$1.71
$0.58
$0.85
Diluted shares
143.74M
143.74M
157.61M
157.61M
155.96M
156.74M
152.19M
149.38M
145.96M
145.25M
Gross margin
42.5%
42.5%
43.2%
43.2%
46.8%
47.6%
43.0%
42.8%
42.8%
42.0%
Operating margin
7.4%
7.4%
9.7%
9.7%
13.8%
13.7%
6.1%
8.2%
4.1%
4.1%
Net margin
-11.1%
-11.1%
7.1%
7.1%
10.2%
13.8%
4.2%
5.8%
2.1%
2.6%
Balance sheet
fiscal years · USD
Fiscal year
FY2018
FY2018
FY2019
FY2019
FY2020
FY2021
FY2022
FY2023
FY2024
FY2025
Cash & equivalents
$745.42M
$745.43M
$904.04M
$904.04M
$1.09B
$1.42B
$994.35M
$1.01B
$934.86M
$1.09B
Short-term investments
$148.98M
$148.98M
$109.94M
$109.94M
$150.67M
$181.48M
$153.99M
$104.75M
$316.34M
$216.15M
Receivables
$786.50M
$799.01M
$724.85M
$724.85M
$719.40M
$884.96M
$920.77M
$1.00B
$908.60M
$975.86M
Inventory
$262.75M
$260.26M
$345.05M
$345.05M
$344.38M
$374.26M
$946.73M
$1.05B
$820.43M
$826.24M
Total current assets
$2.14B
$2.14B
$2.38B
$2.38B
$2.61B
$3.19B
$3.39B
$3.58B
$3.54B
$3.57B
Goodwill
$297.97M
$297.97M
$297.94M
$297.94M
$310.85M
$311.64M
$328.32M
$444.76M
$444.71M
$521.20M
Total assets
$3.76B
$3.78B
$3.89B
$3.89B
$4.18B
$4.87B
$5.07B
$5.60B
$5.64B
$5.86B
Total current liabilities
$963.00M
$963.00M
$845.94M
$845.94M
$760.70M
$909.03M
$1.04B
$932.02M
$999.84M
$1.31B
Short-term debt
—
—
$7.00M
$7.00M
$6.93M
$6.93M
$6.93M
$11.70M
$11.70M
$11.58M
Long-term debt
$686.45M
$686.45M
$680.41M
$680.41M
$676.36M
$670.36M
$1.06B
$1.54B
$1.53B
$1.52B
Total debt
$686.45M
$686.45M
$687.41M
$687.41M
$683.29M
$677.28M
$1.07B
$1.56B
$1.54B
$1.54B
Total liabilities
$1.83B
$1.83B
$1.72B
$1.72B
$1.67B
$1.85B
$2.36B
$2.75B
$2.83B
$3.14B
Shareholders' equity
$1.93B
$1.93B
$2.17B
$2.17B
$2.51B
$3.02B
$2.71B
$2.85B
$2.82B
$2.73B
Cash flow
fiscal years · USD
Fiscal year
FY2018
FY2018
FY2019
FY2019
FY2020
FY2021
FY2022
FY2023
FY2024
FY2025
Operating cash flow
$229.26M
$229.26M
$413.14M
$413.14M
$493.65M
$541.65M
-$167.76M
$168.33M
$514.53M
$806.09M
Capital expenditures
$67.62M
$67.62M
$62.58M
$62.58M
$82.67M
$79.55M
$90.82M
$106.20M
$136.64M
$140.80M
Free cash flow
$161.65M
$161.65M
$350.56M
$350.56M
$410.99M
$462.10M
-$258.57M
$62.13M
$377.89M
$665.29M
Investing cash flow
-$19.38M
-$19.38M
$24.08M
$24.08M
-$220.24M
-$90.72M
-$101.25M
-$383.45M
-$306.48M
-$241.50M
Financing cash flow
-$99.23M
-$99.23M
-$278.97M
-$278.97M
-$87.22M
-$116.83M
-$133.06M
$229.38M
-$285.06M
-$405.92M
Share buybacks
$110.98M
$110.98M
$150.08M
$150.08M
$74.53M
$91.29M
$500.80M
$242.20M
$254.50M
$334.51M
Stock-based compensation
$52.97M
$52.97M
$59.74M
$59.74M
$67.76M
$84.34M
$105.13M
$130.46M
$156.40M
$184.53M
Depreciation & amortization
$84.21M
$84.21M
$87.58M
$87.58M
$93.91M
$96.23M
$95.92M
$92.56M
$92.85M
$104.13M
Income statement
quarters · USD
Quarter ended
Oct 2023
Jan 2024
Apr 2024
Jul 2024
Nov 2024
Feb 2025
May 2025
Aug 2025
Nov 2025
Jan 2026
May 2026
Aug 2026
Revenue
$1.13B
$1.04B
$910.83M
$942.31M
$1.12B
$1.07B
$1.13B
$1.22B
$1.35B
$1.43B
$1.57B
$1.67B
Cost of revenue
$643.21M
$570.75M
$522.16M
$538.36M
$664.09M
$600.44M
$673.04M
$716.31M
$774.80M
$801.52M
$879.18M
$911.86M
Gross profit
$486.28M
$466.96M
$388.66M
$403.94M
$460.02M
$471.82M
$452.84M
$503.08M
$577.18M
$625.52M
$691.55M
$759.26M
Research & development
$189.44M
$187.27M
$195.38M
$188.89M
$195.96M
$192.66M
$214.87M
$211.90M
$228.90M
$221.46M
$237.91M
$236.67M
Operating income
$91.30M
$84.63M
-$3.96M
$26.74M
$59.21M
$80.66M
$32.84M
$73.53M
$10.49M
$189.41M
$237.87M
$301.18M
Interest expense
$24.21M
$23.78M
$23.86M
$24.40M
$24.99M
$22.92M
$21.70M
$22.81M
$21.98M
$21.25M
$20.92M
$5.80M
Pre-tax income
$70.52M
$71.50M
-$16.03M
$16.36M
$48.02M
$68.59M
$19.02M
$65.82M
$2.86M
$181.12M
$231.06M
$310.62M
Income tax
-$20.68M
$21.96M
$820.00K
$2.12M
$10.99M
$24.02M
$10.05M
$15.51M
-$16.63M
$30.83M
$12.84M
$44.20M
Net income
$91.20M
$49.55M
-$16.85M
$14.23M
$37.03M
$44.57M
$8.97M
$50.31M
$19.49M
$150.28M
$218.22M
$266.42M
EBITDA
$114.65M
$107.44M
$19.24M
$49.72M
$83.06M
$105.34M
$57.93M
$100.40M
$37.99M
$221.72M
$272.58M
$336.50M
EPS (basic)
$0.62
$0.34
$-0.12
$0.10
$0.26
$0.31
$0.06
$0.35
$0.14
$1.06
$1.54
$1.88
EPS (diluted)
$0.62
$0.34
$-0.12
$0.10
$0.26
$0.31
$0.06
$0.35
$0.13
$1.03
$1.49
$1.83
Diluted shares
-487.00K
145.85M
144.91M
145.36M
169.00K
145.94M
144.97M
144.50M
90.00K
145.80M
146.31M
145.97M
Gross margin
43.1%
45.0%
42.7%
42.9%
40.9%
44.0%
40.2%
41.3%
42.7%
43.8%
44.0%
45.4%
Operating margin
8.1%
8.2%
-0.4%
2.8%
5.3%
7.5%
2.9%
6.0%
0.8%
13.3%
15.1%
18.0%
Net margin
8.1%
4.8%
-1.8%
1.5%
3.3%
4.2%
0.8%
4.1%
1.4%
10.5%
13.9%
15.9%
Balance sheet
quarters · USD
Quarter ended
Oct 2023
Jan 2024
Apr 2024
Jul 2024
Nov 2024
Feb 2025
May 2025
Aug 2025
Nov 2025
Jan 2026
May 2026
Aug 2026
Cash & equivalents
$1.01B
$1.26B
$1.09B
$883.37M
$934.86M
$874.75M
$949.77M
$1.06B
$1.09B
$1.12B
$1.05B
$2.45B
Short-term investments
$104.75M
$106.68M
$165.62M
$217.81M
$316.34M
$337.32M
$304.18M
$270.38M
$216.15M
$176.31M
$157.71M
$184.29M
Receivables
$1.00B
$865.24M
$840.13M
$899.88M
$908.60M
$938.70M
$929.80M
$1.03B
$975.86M
$967.41M
$1.05B
$1.23B
Inventory
$1.05B
$984.89M
$1.02B
$937.40M
$820.43M
$845.13M
$874.33M
$860.40M
$826.24M
$845.82M
$808.45M
$871.99M
Total current assets
$3.58B
$3.61B
$3.54B
$3.54B
$3.54B
$3.49B
$3.56B
$3.69B
$3.57B
$3.54B
$3.57B
$5.26B
Goodwill
$444.76M
$445.08M
$444.92M
$444.79M
$444.71M
$444.31M
$444.81M
$444.83M
$521.20M
$521.71M
$520.40M
$513.34M
Total assets
$5.60B
$5.59B
$5.61B
$5.58B
$5.64B
$5.57B
$5.66B
$5.75B
$5.86B
$5.89B
$6.04B
$8.00B
Total current liabilities
$932.02M
$841.31M
$912.19M
$870.56M
$999.84M
$956.52M
$1.05B
$1.12B
$1.31B
$1.26B
$1.31B
$1.39B
Short-term debt
$11.70M
$11.70M
$11.70M
$11.70M
$11.70M
$11.58M
$11.58M
$11.58M
$11.58M
$11.58M
$11.58M
$0
Long-term debt
$1.54B
$1.54B
$1.54B
$1.54B
$1.53B
$1.53B
$1.53B
$1.53B
$1.52B
$1.52B
$1.52B
$3.23B
Total debt
$1.56B
$1.55B
$1.55B
$1.55B
$1.54B
$1.54B
$1.54B
$1.54B
$1.54B
$1.54B
$1.53B
$3.23B
Total liabilities
$2.75B
$2.67B
$2.73B
$2.68B
$2.83B
$2.78B
$2.88B
$2.96B
$3.14B
$3.10B
$3.15B
$4.94B
Shareholders' equity
$2.85B
$2.92B
$2.88B
$2.89B
$2.82B
$2.79B
$2.78B
$2.79B
$2.73B
$2.79B
$2.89B
$3.06B
Cash flow
quarters · USD
Quarter ended
Oct 2023
Jan 2024
Apr 2024
Jul 2024
Nov 2024
Feb 2025
May 2025
Aug 2025
Nov 2025
Jan 2026
May 2026
Aug 2026
Operating cash flow
$195.47M
$266.08M
$58.47M
-$159.38M
$349.36M
$103.72M
$156.95M
$174.35M
$371.08M
$227.65M
$259.70M
$196.26M
Capital expenditures
$22.77M
$16.60M
$16.90M
$19.60M
$83.54M
$26.88M
$28.74M
$39.75M
$45.43M
$73.89M
$41.05M
$79.96M
Free cash flow
$172.70M
$249.48M
$41.57M
-$178.97M
$265.82M
$76.84M
$128.21M
$134.60M
$325.65M
$153.76M
$218.65M
$116.30M
Investing cash flow
-$98.12M
$18.13M
-$156.84M
-$18.84M
-$148.93M
-$67.09M
$19.64M
$19.71M
-$213.77M
-$43.89M
-$153.93M
-$117.35M
Financing cash flow
-$197.17M
-$34.72M
-$73.12M
-$28.55M
-$148.68M
-$93.46M
-$107.79M
-$84.90M
-$119.77M
-$154.54M
-$180.73M
$1.32B
Share buybacks
$184.47M
$38.20M
$56.62M
$31.00M
$128.69M
$81.18M
$87.02M
$81.84M
$84.47M
$80.51M
$84.41M
$172.99M
Stock-based compensation
$35.05M
$37.83M
$40.25M
$37.36M
$40.97M
$40.81M
$47.96M
$46.93M
$48.83M
$49.83M
$55.47M
$57.88M
Depreciation & amortization
$23.35M
$22.81M
$23.21M
$22.98M
$23.85M
$24.68M
$25.09M
$26.87M
$27.50M
$32.31M
$34.71M
$35.33M
Quarterly figures are rebuilt from the year-to-date totals companies report — Q4 is the full year minus the first nine months, since no 10-Q is filed for it. Values are as filed; later restatements replace earlier ones. Fiscal years are labelled by the calendar year in which they end.