Hollsteen

Ciena

Dependency

USA: 71.3% of revenue

71.3%FY2025
■Revenue FY2025CUSTOMERS ●The XBRL of the latest annual report (10-K filed Dec 12, 2025, 0001628280-25-056698) tags no customer share of revenue (usual when no customer accounts for ≥ 10% of revenue; the filing text itself is not interpreted here).not reportedHOLDINGS ◆No holding between Ciena and the other 99 companies found in SEC filings (not reported).not reportedREGIONS ■USA71.3%SUPPLIERS ○No supplier shares in the dataset: SEC XBRL does not tag supplier concentration as a share of revenue or purchases; filing texts are not interpreted for this.not in datasetCiena$4.8B · FY2025
Ciena$4.8B · FY2025

Customers

not reported

Holdings

not reported

Regions

USA71.3%

Suppliers

not in dataset

Line: solid ● customers (share of revenue) · dashed ◆ holding · dotted ■ revenue by region · grey ○ no data.

The XBRL of the latest annual report (10-K filed Dec 12, 2025) tags no customer share of revenue (usual when no customer accounts for ≥ 10% of revenue; the filing text itself is not interpreted here).

Relationships

4 documented relationships

TypeCounterpartyValuePeriodConfidenceReverse edge
Customer (share)Customer(s) per quote50%FY2025 (per quote)0.9–
Customer (share)Customer(s) per quote49.7%FY2025 (per quote)0.9–
names us (role not stated)Celestica–Dec 31, 20250.6no
names us (role not stated)HPE–Oct 31, 20250.6no
Region (share)Americas75.6%a12 months to Nov 1, 20251.0–
Region (share)USA71.3%a12 months to Nov 1, 20251.0–
Region (share)EMEA15.3%a12 months to Nov 1, 20251.0–

Related party: not reported – No related-party statement naming any of the 100 covered companies (0 related-party statements in the 10-K filed Dec 12, 2025, none referring to them).

Holdings: not reported – No holding between this company and the other 99 companies in 13F-HR / 13G / Filing-Text.

SEC filings only, quotes in the sources. Confidence 1.0 XBRL/13F · 0.9 quote with value · 0.7 mention without value. 10 competitor mentions not counted as dependencies.

Revenue

Networking Platforms: 77.1% of revenue

$4.8B+18.8% vs. FY2024
FY2019 · Networking Platforms: Networking Platforms 2911 / Revenue $3.6B = 81.5%FY2020 · Networking Platforms: Networking Platforms 2815 / Revenue $3.5B = 79.7%FY2021 · Networking Platforms: Networking Platforms 2825 / Revenue $3.6B = 78.0%FY2022 · Networking Platforms: Networking Platforms 2778 / Revenue $3.6B = 76.5%FY2023 · Networking Platforms: Networking Platforms 3493 / Revenue $4.4B = 79.6%FY2024 · Networking Platforms: Networking Platforms 3042 / Revenue $4.0B = 75.8%FY2025 · Networking Platforms: Networking Platforms 3676 / Revenue $4.8B = 77.1%77.1%81.5%FY2019FY2025FY2022
FY2020 · Networking Platforms: Networking Platforms 2815 / Revenue $3.5B = 79.7%FY2021 · Networking Platforms: Networking Platforms 2825 / Revenue $3.6B = 78.0%FY2022 · Networking Platforms: Networking Platforms 2778 / Revenue $3.6B = 76.5%FY2023 · Networking Platforms: Networking Platforms 3493 / Revenue $4.4B = 79.6%FY2024 · Networking Platforms: Networking Platforms 3042 / Revenue $4.0B = 75.8%FY2025 · Networking Platforms: Networking Platforms 3676 / Revenue $4.8B = 77.1%77.1%79.7%FY2020FY2025FY2023

Share of Networking Platforms in revenue per fiscal year (FY2019–FY2025, segments); share = segment revenue / total revenue, derived.

Other parts FY2025: Blue Planet Automation Softwareand Services 2.4% · Global Services 12.9% · Platform Softwareand Services 7.6%

Debt

Total debt FY2025: −0.6% vs. FY2024

$1.5BaInterest expense $89.4M (FY2025)
Total debt FY2016: $1.0B – Total debt = long-term debt $1.0B (us-gaap:LongTermDebtNoncurrent, 10-K 0000936395-17-000064) = $1.0B; current portion not tagged in the filing (no short-term debt reported, or not tagged)Total debt FY2017: $584M – Total debt = long-term debt $584M (us-gaap:LongTermDebtNoncurrent, 10-K 0000936395-17-000064) = $584M; current portion not tagged in the filing (no short-term debt reported, or not tagged)Total debt FY2018: $686M – Total debt = long-term debt $686M (us-gaap:LongTermDebtNoncurrent, 10-K 0000936395-18-000048) = $686M; current portion not tagged in the filing (no short-term debt reported, or not tagged)Total debt FY2019: $680M – Total debt = long-term debt $680M (us-gaap:LongTermDebtNoncurrent, 10-K 0000936395-19-000056) = $680M; current portion not tagged in the filing (no short-term debt reported, or not tagged)Total debt FY2020: $683M – Total debt = current portion of long-term debt $7.0M (us-gaap:LongTermDebtCurrent, 10-K 0000936395-20-000042) + long-term debt $676M (us-gaap:LongTermDebtNoncurrent, 10-K 0000936395-20-000042) = $683MTotal debt FY2021: $677M – Total debt = current portion of long-term debt $7.0M (us-gaap:LongTermDebtCurrent, 10-K 0000936395-21-000054) + long-term debt $670M (us-gaap:LongTermDebtNoncurrent, 10-K 0000936395-21-000054) = $677MTotal debt FY2022: $1.1B – Total debt = current portion of long-term debt $7.0M (us-gaap:LongTermDebtCurrent, 10-K 0000936395-22-000065) + long-term debt $1.1B (us-gaap:LongTermDebtNoncurrent, 10-K 0000936395-22-000065) = $1.1BTotal debt FY2023: $1.6B – Total debt = current portion of long-term debt $12.0M (us-gaap:LongTermDebtCurrent, 10-K 0000936395-23-000044) + long-term debt $1.5B (us-gaap:LongTermDebtNoncurrent, 10-K 0000936395-23-000044) = $1.6BTotal debt FY2024: $1.5B – Total debt = current portion of long-term debt $12.0M (us-gaap:LongTermDebtCurrent, 10-K 0000936395-24-000044) + long-term debt $1.5B (us-gaap:LongTermDebtNoncurrent, 10-K 0000936395-24-000044) = $1.5BTotal debt FY2025: $1.5B – Total debt = current portion of long-term debt $12.0M (us-gaap:LongTermDebtCurrent, 10-K 0001628280-25-056698) + long-term debt $1.5B (us-gaap:LongTermDebtNoncurrent, 10-K 0001628280-25-056698) = $1.5B1,536a1,017a1,555aFY2016FY2025FY2021
Total debt FY2020: $683M – Total debt = current portion of long-term debt $7.0M (us-gaap:LongTermDebtCurrent, 10-K 0000936395-20-000042) + long-term debt $676M (us-gaap:LongTermDebtNoncurrent, 10-K 0000936395-20-000042) = $683MTotal debt FY2021: $677M – Total debt = current portion of long-term debt $7.0M (us-gaap:LongTermDebtCurrent, 10-K 0000936395-21-000054) + long-term debt $670M (us-gaap:LongTermDebtNoncurrent, 10-K 0000936395-21-000054) = $677MTotal debt FY2022: $1.1B – Total debt = current portion of long-term debt $7.0M (us-gaap:LongTermDebtCurrent, 10-K 0000936395-22-000065) + long-term debt $1.1B (us-gaap:LongTermDebtNoncurrent, 10-K 0000936395-22-000065) = $1.1BTotal debt FY2023: $1.6B – Total debt = current portion of long-term debt $12.0M (us-gaap:LongTermDebtCurrent, 10-K 0000936395-23-000044) + long-term debt $1.5B (us-gaap:LongTermDebtNoncurrent, 10-K 0000936395-23-000044) = $1.6BTotal debt FY2024: $1.5B – Total debt = current portion of long-term debt $12.0M (us-gaap:LongTermDebtCurrent, 10-K 0000936395-24-000044) + long-term debt $1.5B (us-gaap:LongTermDebtNoncurrent, 10-K 0000936395-24-000044) = $1.5BTotal debt FY2025: $1.5B – Total debt = current portion of long-term debt $12.0M (us-gaap:LongTermDebtCurrent, 10-K 0001628280-25-056698) + long-term debt $1.5B (us-gaap:LongTermDebtNoncurrent, 10-K 0001628280-25-056698) = $1.5B1,536a683a1,555aFY2020FY2025FY2023

$M per fiscal year, as of fiscal year end. a = derived from reported components (calculation in the tooltip and in the sources).

All metrics →
Sources (27)

Dependency

  • Regions · Largest market: USA 10-K, filed Dec 12, 2025 0001628280-25-056698
    USA 3400 / Revenue $4.8B = 71.3%

Relationships (quotes)

  • Customer (share) Customer(s) per quote 10-K, filed Dec 12, 2025 0001628280-25-056698
    “For example, in fiscal 2025, our five largest customers contributed approximately 50% of our revenue, a cloud provider customer accounted for approximately 18% of our revenue, and a service provider accounted for approximately 11% of our revenue.”
  • names us (role not stated) Celestica 10-K, filed Feb 27, 2026 0001030894-26-000011
    “Our CCS segment customers include Amazon Fulfillment Services, Inc., Meta Platforms, Inc., Google Inc., Ciena Corporation, Dell Technologies, Hewlett-Packard Enterprise, and IBM Corporation, Inc.”
  • names us (role not stated) HPE 10-K, filed Dec 18, 2025 0001645590-25-000130
    “Ltd., Ciena Corporation, NVIDIA Corporation, Extreme Networks, Inc., Palo Alto Networks, Fortinet, Inc., Zscaler, Inc., Netskope, Inc., Ruckus Networks, and Ubiquiti and networking-as-a-service vendors such as Nile and Meter.”
  • Region (share) Americas 10-K, filed Dec 12, 2025 0001628280-25-056698
    “XBRL-Fakt srt:AmericasMember (id f-663) / Gesamt (id f-672)” · Calculation: Revenues[srt:AmericasMember] 3,606,407,000 / Revenues total 4,769,507,000 (period 2024-11-03–2025-11-01)
  • Region (share) USA 10-K, filed Dec 12, 2025 0001628280-25-056698
    “XBRL-Fakt country:US (id f-676) / Gesamt (id f-672)” · Calculation: Revenues[country:US] 3,400,000,000 / Revenues total 4,769,507,000 (period 2024-11-03–2025-11-01)
  • Region (share) EMEA 10-K, filed Dec 12, 2025 0001628280-25-056698
    “XBRL-Fakt us-gaap:EMEAMember (id f-666) / Gesamt (id f-672)” · Calculation: Revenues[us-gaap:EMEAMember] 731,912,000 / Revenues total 4,769,507,000 (period 2024-11-03–2025-11-01)

Revenue

Debt

  • Total debt FY2023 10-K, filed Dec 15, 2023 0000936395-23-000044
    Total debt = current portion of long-term debt $12.0M (us-gaap:LongTermDebtCurrent, 10-K 0000936395-23-000044) + long-term debt $1.5B (us-gaap:LongTermDebtNoncurrent, 10-K 0000936395-23-000044) = $1.6B
  • Total debt FY2024 10-K, filed Dec 20, 2024 0000936395-24-000044
    Total debt = current portion of long-term debt $12.0M (us-gaap:LongTermDebtCurrent, 10-K 0000936395-24-000044) + long-term debt $1.5B (us-gaap:LongTermDebtNoncurrent, 10-K 0000936395-24-000044) = $1.5B
  • Total debt FY2025 10-K, filed Dec 12, 2025 0001628280-25-056698
    Total debt = current portion of long-term debt $12.0M (us-gaap:LongTermDebtCurrent, 10-K 0001628280-25-056698) + long-term debt $1.5B (us-gaap:LongTermDebtNoncurrent, 10-K 0001628280-25-056698) = $1.5B
  • Interest expense FY2025 10-K, filed Dec 12, 2025 0001628280-25-056698

Data quality

Legal name
CIENA CORP
CIK
0000936395
Period
FY2016 – Q3 FY2026
Coverage
96.4% · 1109 reported · 417 derived · 57 missing · 407 not reported

missing = the company reports the value, it is not (yet) captured here · not reported = the company does not disclose the value · a = derived · ~ = reported rounded only.