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 May 31, 2026, the latest employee count at Ciena is 10477.

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 4th amongst 5670 active competitors, of which 116 are funded. It stands 7th in terms of total funding among its competitors. The most recent competitor to raise funding was Actelis, which secured $850K in Sep, 2025.

Who are the top competitors of Ciena?

Ciena's top competitors include Mavenir, Broadcom and Century Link. Among them, Actelis secured the most recent funding round in September, 2025.

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 5670 active competitors, including 116 funded and 858 that have exited. Its top competitors include companies like Mavenir, Broadcom and Century Link.

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

Worldview Technology Partners & 13 more

Ranked

4^th among 5670 active competitors

Annual Revenue

$1B+ as on Oct 31, 2025

Employee Count

10,477 as on May 31, 2026

Investment & Acquisitions

Nubis & 21 more

Similar Companies

Broadcom & 254 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
Centina Systems (india) Private Limited CIN: U72200HR2007PTC118856 , India, Active	Mar 07, 2007	₹10 - ₹50 Cr (As on Mar 31, 2025)	-
Ciena Corp CIN: 936395 , United States, Active	Nov 01, 1992	$1B+ (As on Oct 31, 2025)	16 (As on Mar 31, 2020)	-
CIENA CORPORATION CIN: 232725311 , Belgium, Active	Dec 26, 999	-	1746 (As on Dec 31, 2018)	-
CIENA INDIA PRIVATE LIMITED CIN: U72200DL2005PTC138035 , India, Active	Jun 27, 2005	₹1,000+ 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 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 14 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	8232513	Post IPO	5947656	2195818	3958641	2332455
Oct 2003	1334153	Post IPO	5785799	3524937	7258326	2378297

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Ciena's employee count trend

Ciena has 10,477 employees as of May 26. Here is Ciena's employee count trend over the years:

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Top competitors of Ciena include Mavenir, Broadcom and Century Link. 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	Mavenir 2005, Richardson (United States), Acquired	Provider of a multi-access edge networking computing platform	$105M	North Bridge Venture Partners, Alloy Ventures ... & 11 others	82/100
2nd	Broadcom 1991, California (United States), Public	Platform offering data center fiber optic networks	-	Silver Lake, Alcor Fund & 26 others	79/100
3rd	Century Link 1930, Monroe (United States), Public	Provider of residential and business communication services, including internet, TV, and phone	$20M	Temasek, Windspeed Ventures & 3 others	78/100
4th	Ciena 1992, Hanover (United States), Public	Provider of networking systems, automation software, components, and related services	-	Worldview Technology Partners, Bessemer Venture Partners ... & 12 others	74/100
5th	ACT 2000, Bengaluru (India), Acquired	Provider of fibre optic broadband, WiFi network, and television services	$2.83M	CPP Investments, Adithya Constructions & 16 others	76/100
6th	Actelis 1998, Fremont (United States), Public	Provider of networking solutions for intelligent traffic, rail, and city systems	$162M	Saints Capital, Adams Street Partners & 15 others	76/100
7th	Ericsson 1876, Stockholm (Sweden), Public	Provider of telecom equipment and software solutions	-	Kepha Partners, Investor & 8 others	76/100
8th	KPN 1989, Rotterdam (Netherlands), Acquired	Provider of mobile and fixed line telecommunication services	-	27th Street Capital, Aimforthemoon & 9 others	75/100
9th	Orange Polska 1991, Warsaw (Poland), Public	Provider of telephony, internet, and data transmission services	$2.46B	Orange, Kulczyk Investments & 1 others	75/100
10th	Hathway Cable & Datacom 1959, Mumbai (India), Acquired	Provider of internet services	-	Goldman Sachs, Capital Group & 5 others	73/100

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Ciena has made 5 investments in companies including TiBit Communications and Laurel Networks. Ciena has also acquired 17 companies including Nubis and Benu Networks.

Here is the list of investments & acquisitions:

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Date of Investment/Acquisition	Type	Company Name	Founded Year	Location
Sep 22, 2025	Acquisition	Nubis	2020	New Providence (United States)
Nov 22, 2022	Acquisition	Benu Networks	2010	Billerica (United States)
Nov 22, 2022	Acquisition	TiBit Communications	2014	Petaluma (United States)