Companies: 10,795·Total market cap: $144.5T
Ciena Corporation

Ciena Corporation

CIENNYSETechnology● Active
$466.67
$-21.54(-4.41%)
Market Cap$66.1B
P/E Ratio—
52W High$637.51
52W Low$70.77
Overview

Ciena Corporation (CIEN) Number of Employees – History & Annual Headcount

Annual SEC headcount, year-over-year change, and per-employee efficiency — chart and full history below.

SEC EDGAR · FMP · CIEN · as of Dec 12, 2025

Latest filing snapshot

9,080
+423+4.89%vs prior year

Ciena Corporation (CIEN) employee data is sourced from the annual SEC 10-K filing. As of 2025, full-time employees only. Global consolidated headcount. View SEC filing ↗

SEC 10-K·Period end: 2025-11-01·Full-time · Global
Total Employees
9,080
Change (1Y)
+423
Growth % (1Y)
+4.89%
Revenue / Employee
$525.3K
Net Income / Employee
$13.6K
Market Cap
$66.1B

CIEN Employee Count

1997 – 2025 · Annual · SEC filing

Source: SEC annual filings · Hover bar to view year data · Click to view original filing

Employees History

Filing DateEmployeesChange (1Y)Growth (1Y)SEC filing link
2025-12-129,080+423+4.89%
2024-12-208,657+174+2.05%
2023-12-158,483+404+5.00%
2022-12-168,079+838+11.57%
2021-12-177,241+209+2.97%
2020-12-187,032+649+10.17%
2019-12-206,383+370+6.15%
2018-12-216,013+276+4.81%
2017-12-225,737+182+3.28%
2016-12-215,555+210+3.93%

▸ Source: SEC Annual Reports (Form 10-K / 20-F). Employee counts as of fiscal year end. Click the ↗ icon at the end of a row to open the original SEC filing in a new tab.

Related Companies — Employee Count

Communication Equipment
#SymbolCompanyEmployees
#1
Telefonaktiebolaget LM Ericsson (publ)
ERIC
Telefonaktiebolaget LM Ericsson (publ)
92,866#2
Hewlett Packard Enterprise Company
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61,000#3
Broadridge Financial Solutions, Inc.
BR
Broadridge Financial Solutions, Inc.
14,000#4
EchoStar Corporation
SATS
EchoStar Corporation
13,700#5
Ciena Corporation
CIEN
Ciena CorporationYOU
9,080#6
AST SpaceMobile, Inc.
ASTS
AST SpaceMobile, Inc.
578#7
Credo Technology Group Holding Ltd
CRDO
Credo Technology Group Holding Ltd
500
Source: /stock-peers + /profile.fullTimeEmployees · Click row → /employees · Sorted by headcount · CIEN peer comparison

About CIEN employees

CIEN Employees · Headcount

Ciena Corporation (CIEN) employee data is sourced from the annual SEC 10-K filing. As of 2025, Ciena Corporation had 9,080 full-time employees globally. Full-time employees only. Global consolidated headcount.

Ciena Corporation employs 9,080 full-time employees as of the latest filing within the Communication Equipment industry. Revenue per employee stands at $525,276, reflecting the company's operational efficiency.

Ciena Corporation's workforce increased by 423 (4.89%) in 2025 compared to the prior fiscal year. The historical trend reflects the company's expansion and contraction cycles.

Ciena Corporation's revenue per employee of $525,276 positions it among the notable performers in the Communication Equipment sector for operational efficiency.

RevenueFinancial statementsNet incomeSEC filingsPrice historyForecast & ratingsOwnershipEarnings

Frequently Asked Questions

CIEN Employees · 5 questions

As of the latest SEC 10-K filing (2025), Ciena Corporation had 9,080 full-time employees globally. This figure is sourced from the company's mandatory annual disclosure to the SEC.

Ciena Corporation employee counthow many employees does Ciena Corporation haveCIEN total employees 2025

▸ Data source: FMP /historical-employee-count · SEC EDGAR annual filings · As reported · Global consolidated headcount · As of 2025-12-12