Lumen Technologies
LUMN · NYSE · Communication Services
$6.40
$0.08 (-1.23%) today
Market Cap
$6.59B
24h Volume
$198.1M
P/E Ratio
0.0
52w High
$11.83
52w Low
$5.66
Est. AI Revenue
10%
7-Day Sparkline (Static)
Company facts
Performance
About Lumen Technologies
Lumen Technologies is a telecommunications company built around one of the largest long-haul fiber networks in the United States. It earns revenue selling connectivity and network services to enterprises, governments, hyperscalers, and consumers, spanning fiber broadband, dedicated wavelengths, dark fiber, and managed services.
The AI story centers on Private Connectivity Fabric, dedicated fiber routes that interconnect AI data centers for hyperscalers. Microsoft and other large cloud companies have signed major agreements for this capacity, and a supply agreement with Corning secures the fiber needed to build it. Legacy voice and copper-era services still make up much of the business and continue to shrink.
Founded in 1930 and headquartered in Monroe, Louisiana, Lumen employs about 24,000 people and trades on the NYSE.
Lumen Technologies in the AI buildout
Lumen sits in the Networking layer and the Cloud Infrastructure layer of the AI buildout. Training and serving AI models increasingly spreads across multiple data centers, which need high-capacity fiber between them. Lumen's long-haul network and Private Connectivity Fabric deals position it as a backbone carrier for that data-center-to-data-center traffic. Its exposure is real and contracted, but it is layered on top of a declining legacy telecom base, which is why Supercycle scores it in the Growing band.
LUMN is tracked in Networking & Optics and Cloud & Hyperscalers, rated Growing on the AI Exposure leaderboard.
By the numbers
52-week range
LUMN trades at $6.40, 12% of the way up its 52-week range of $5.66 to $11.83.
Market cap
Market capitalization is $6.59B, with an AI Exposure Score of 42 out of 100.
Next earnings
Lumen Technologies is next expected to report earnings on October 29, 2026.
Market data as of the close on . Prices are end of day, not live.
Frequently asked questions
What does Lumen Technologies do?
Lumen operates a nationwide fiber network and sells connectivity services: enterprise networking, dedicated wavelengths, dark fiber, edge services, and consumer fiber broadband. Its customers range from large enterprises and government agencies to the hyperscale cloud providers building AI infrastructure.
How is Lumen exposed to AI?
Hyperscalers including Microsoft have signed major Private Connectivity Fabric deals to link AI data centers over Lumen's fiber. Supercycle rates it Growing with an AI Exposure Score of 42 out of 100, since legacy telecom still generates most of the business.
What is Private Connectivity Fabric?
It is Lumen's offering of dedicated, custom fiber routes built for hyperscalers and large enterprises that need to move enormous volumes of data between AI data centers. These are long-term capacity deals, supported by a fiber supply agreement with Corning.
Who leads Lumen and where is it based?
Kathleen Johnson, known as Kate Johnson, serves as CEO. The company was founded in 1930, is headquartered in Monroe, Louisiana, and employs about 24,000 people. It trades on the NYSE under the ticker LUMN.
Is LUMN a pure play AI stock?
No. Lumen is a telecom carrier whose AI interconnect deals sit alongside a large legacy communications business. Supercycle places it in the Growing tier: AI demand is the central growth narrative, but not yet the majority of the company.
Profile written 2026-08, updated as the business changes. Editorial content, not investment advice.
Related reading
- What are AI infrastructure stocks? The 12 layers, explained · AI infrastructure stocks are the companies paid to build AI compute: chips, memory, networking, data centers, cooling and power. The 12 layers and the catch.