When was Ciena founded?

Ciena was founded in 1992 and raised its 1st funding round 11 years after it was founded.

Where is Ciena located?

Ciena is headquartered in Hanover, United States. It is registered at Hanover, Maryland.

How many employees does Ciena have?

As of Sep 30, 2026, the latest employee count at Ciena is 10675.

Is Ciena a funded company?

Ciena is a funded company, having raised an undisclosed amount across 2 funding rounds to date. The company's 1st funding round was a $***** Post IPO round, raised on Oct 2003.

When was the latest funding round of Ciena?

Ciena's latest funding was a $***** Post IPO round on Mar 2008, with participation from 0 investor.

What is the annual revenue of Ciena?

Annual revenue of Ciena is more than $1B as on Oct 31, 2025

Where does Ciena rank among its competitors?

Ciena ranks 10th amongst 3404 active competitors, of which 65 are funded. It stands 10th in terms of total funding among its competitors. The most recent competitor to raise funding was Calix, which secured an undisclosed amount in Jun, 2026.

Who are the top competitors of Ciena?

Ciena's top competitors include Broadcom, Mavenir and ACT. Among them, Calix secured the most recent funding round in June, 2026.

Ciena - 2026 Company Profile, Funding, Competitors & Financials

Ciena is a public company based in Hanover (United States), founded in 1992. It operates as a Provider of networking systems, automation software, components, and related services. Ciena has raised an undisclosed amount in funding. The company has 3404 active competitors, including 65 funded and 543 that have exited. Its top competitors include companies like Broadcom, Mavenir and ACT.

Company Details

Provider of networking systems, automation software, components, and related services. The company offers solutions for cloud and AI networking, access, and aggregation. It provides metro and edge, long haul, submarine, and open line systems. Secure networking and network transformation are also part of its offerings. The company delivers AI-driven operations with multi-layer network control and cloud-native OSS solutions.

Website: www.ciena.com/
Social
Phone Number: +1 **********
Registered Address: Hanover, Maryland

Key Metrics

Founded Year

1992

Location

Hanover, United States

Stage

Public

Latest Funding Round

Post IPO, Mar 2008, $*****

Investors

Western Technology Investment & 14 more

Ranked

10^th among 3404 active competitors

Annual Revenue

$1B+ as on Oct 31, 2025

Employee Count

10,675 as on Sep 30, 2026

Investment & Acquisitions

Quintessent & 22 more

Similar Companies

Broadcom & 278 more

Exit Details

Public

View Ciena's full profile

Ciena is associated with 5 legal entities given below:

Legal Entity Name	Date of Incorporation	Revenue	Latest Employee Count	Documents
Ciena Corp CIN: 936395 , United States, Active	Nov 01, 1992	$1B+ (As on Oct 31, 2025)	16 (As on Mar 31, 2020)	-
Centina Systems (india) Private Limited CIN: U72200HR2007PTC118856 , India, Active	Mar 07, 2007	₹10 - ₹50 Cr (As on Mar 31, 2025)	-
CIENA COMMUNICATIONS INDIA PRIVATE LIMITED CIN: U74900DL2010PTC198324 , India, Active	Jan 25, 2010	₹500 - ₹1,000 Cr (As on Mar 31, 2025)	412 (As on Sep 30, 2024)
CIENA INDIA PRIVATE LIMITED CIN: U72200DL2005PTC138035 , India, Active	Jun 27, 2005	₹1,000+ Cr (As on Mar 31, 2025)	-
CIENA CORPORATION CIN: 232725311 , Belgium, Active	Dec 26, 999	-	1746 (As on Dec 31, 2018)	-

Ciena got listed on Feb 07, 1997.

Click here to take a look at Ciena's IPO in detail

Ciena has raised funding over 2 rounds. Its first funding round was on Oct 2003. Ciena has 15 institutional investors.

Here is the list of recent funding rounds of Ciena:

Date of Funding	Funding Amount	Round Name	Post-Money Valuation	Revenue Multiple	Lead Investors	Other Investors
Mar 2008	2540461	Post IPO	2437870	5445490	9768338	8504562
Oct 2003	9659322	Post IPO	6360293	4813338	8241244	9815649

Access funding benchmarks and valuations. Sign up today!

View details of Ciena's funding rounds and investors

Ciena's employee count trend

Ciena has 10,675 employees as of Sep 26. Here is Ciena's employee count trend over the years:

Uncover Ciena's growth story! Sign up today!

Access Tracxn on any website

Our Google Chrome extension lets you view company details while browsing their websites

Install Tracxn Extension

Top competitors of Ciena include Broadcom, Mavenir and ACT. Here is the list of Top 10 competitors of Ciena, ranked by Tracxn score:

Rank	Company Details	Short Description	Total Funding	Investors	Tracxn Score
1st	Broadcom 1991, California (United States), Public	Platform offering data center fiber optic networks	-	Silver Lake, Alcor Fund & 27 others	77/100
2nd	Mavenir 2005, Richardson (United States), Acquired	Developer of cloud native software for mobile network operator infrastructure	$105M	North Bridge Venture Partners, Alloy Ventures ... & 12 others	76/100
3rd	ACT 2000, Bengaluru (India), Acquired	Provider of fibre optic broadband, WiFi network, and television services	$2.83M	CPP Investments, Adithya Constructions & 17 others	75/100
4th	KPN 1989, Rotterdam (Netherlands), Acquired	Provider of mobile and fixed line telecommunication services	-	27th Street Capital, Triodos Investment Management ... & 9 others	75/100
5th	Calix 1999, Petaluma (United States), Public	Provider of communication equipment	$108M	Meritech, Kinetic Ventures & 17 others	74/100
6th	Ericsson 1876, Stockholm (Sweden), Public	Provider of telecom equipment and software solutions	-	Kepha Partners, Cevian & 10 others	74/100
7th	Century Link 1930, Monroe (United States), Public	Provider of residential and business communication services, including internet, TV, and phone	$20M	Temasek, Welsh, Carson, Anderson & Stowe & 3 others	72/100
8th	Rogers 1935, Toronto (Canada), Public	Provider of wifi and fiber optic services	$1M	Blackstone, Social Capital & 7 others	72/100
9th	Orange Polska 1991, Warsaw (Poland), Public	Provider of telephony, internet, and data transmission services	$2.46B	Orange, Kulczyk Investments & 1 others	71/100
10th	Ciena 1992, Hanover (United States), Public	Provider of networking systems, automation software, components, and related services	-	Western Technology Investment, Worldview Technology Partners ... & 13 others	72/100

Get insights and benchmarks for competitors of 2M+ companies! Sign up today!

Looking for more details on Ciena's competitors? Click here to see the top ones

Ciena has made 6 investments in companies including Quintessent and TiBit Communications. Ciena has also acquired 17 companies including Nubis and Benu Networks.

Here is the list of investments & acquisitions:

Filter this list

Date of Investment/Acquisition	Type	Company Name	Founded Year	Location
Aug 24, 2026	Investments	Quintessent	2019	Santa Barbara (United States)
Sep 22, 2025	Acquisition	Nubis	2020	New Providence (United States)
Nov 22, 2022	Acquisition	Benu Networks	2010	Billerica (United States)