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Compare · CIEN vs TMUS

CIEN vs TMUS

Side-by-side comparison of Ciena Corporation (CIEN) and T-Mobile US Inc. (TMUS): market cap, price performance, sector, and recent activity on the wire.

Summary

  • CIEN operates in Utilities, while TMUS operates in Telecommunications - the two are in different parts of the market.
  • TMUS is the larger of the two at $212.18B, about 2.8x CIEN ($75.69B).
  • Over the past year, CIEN is up 635.9% and TMUS is down 21.3% - CIEN leads by 657.2 points.
  • TMUS has been more active in the news (17 items in the past 4 weeks vs 5 for CIEN).
  • Both have 25 recent analyst ratings on file.
PerformanceCIEN+635.92%TMUS-21.27%
2025-05-02+0.00%2026-05-01
MetricCIENTMUS
Company
Ciena Corporation
T-Mobile US Inc.
Price
$535.82+1.41%
$196.03+0.28%
Market cap
$75.69B
$212.18B
1M return
+28.98%
-3.98%
1Y return
+635.92%
-21.27%
Industry
Telecommunications Equipment
Telecommunications Equipment
Exchange
NYSE
NASDAQ
IPO
1997
News (4w)
5
17
Recent ratings
25
25
CIEN

Ciena Corporation

Ciena Corporation provides network hardware, software, and services that support the transport, routing, switching, aggregation, service delivery, and management of video, data, and voice traffic on communications networks worldwide. The company's Networking Platforms segment offers hardware networking products and solutions that optimized for the convergence of coherent optical transport, optical transport network switching, and packet switching. Its products include 6500 Packet-Optical Platform, 5430 Reconfigurable Switching System, Waveserver stackable interconnect system, and the 6500 Reconfigurable line system, and the 5400 family of Packet-Optical platforms, as well as Z-Series Packet-Optical Platform; 3000 family of service delivery switches and service aggregation switches, and the 5000 family of service aggregation switches, as well as 8700 Packetwave Platform and the Ethernet packet configuration for the 5410 Service Aggregation Switch; and 6500 Packet Transport System. This segment also sells operating system software and enhanced software features embedded in each of its products. The company's Blue Planet Automation Software and Services segment provides multi-domain service orchestration, inventory, route optimization and analysis, network function virtualization orchestration, analytics, and related services. Its Platform Software and Service segment offers OneControl unified management system and platform software services, as well as manage, control, and plan software. The company's Global Services segment provides consulting and network design, installation and deployment, maintenance support, and training services. The company sells its products through direct and indirect sales channels to network operators. Ciena Corporation was founded in 1992 and is headquartered in Hanover, Maryland.

TMUS

T-Mobile US Inc.

T-Mobile US, Inc., together with its subsidiaries, provides mobile communications services in the United States, Puerto Rico, and the United States Virgin Islands. The company offers voice, messaging, and data services to 102.1 million customers in the postpaid, prepaid, and wholesale markets. It also provides wireless devices, including smartphones, wearables, and tablets and other mobile communication devices, as well as wireless devices and accessories. In addition, the company offers services, devices, and accessories under the T-Mobile and Metro by T-Mobile brands through its owned and operated retail stores, app and customer care channels, and its websites. It also sells its devices to dealers and other third party distributors for resale through independent third-party retail outlets and various third-party websites. As of December 31, 2020, it operated approximately 108,000 macro towers and 69,000 small cell/distributed antenna system sites; and approximately 3,400 T-Mobile and Metro by T-Mobile retail locations, including stores and kiosks. The company was founded in 1994 and is headquartered in Bellevue, Washington.