The Moat Index

Lumen Technologies, Inc.

LUMN · Communications · $6.4B mkt cap · FY2025 filings · No moat ·

Doesn't clear the bar

33/ 100
No moat

The four filters

Pricing power82

Median gross margin 52.4% over 10y, stable.

Returns on capital0

Median ROIC 1.3%, above the 9% hurdle in 0% of years.

Balance-sheet safety0

Net debt/EBITDA 8.5x, interest coverage -1x.

Capital discipline44

Owner earnings trend unclear, share count n/a.

Margin of safety

Above valueOn sale
No price data
Owner earnings (normalized)
Est. intrinsic value / share
Recent price
$6.28
Discount to value
No price data

Conservative model: 9% discount rate, 0% assumed growth (capped at 4%), maintenance capex ≈ min(capex, D&A).

19 years of fundamentals

The business, in plain English

Lumen Technologies, Inc. booked $11.3B of revenue in FY2025 in the Communications sector and kept 41.4% of it as gross profit — a solid-margin business by that measure. After every other cost, −15.3% of each revenue dollar reached the bottom line.

Across the filed record, revenue grew from $2.6B (FY2008) to $11.3B (FY2025) — about 9.0% a year compounded over 17 years.

It earned −4.2% on invested capital in FY2025, with a median of 3.2% across 18 filed years. The Returns on Capital filter above scores it 0/100.

The balance sheet carried $17.4B of total debt in FY2025. Balance-Sheet Safety scores it 0/100.

The share count rose 845.2% between FY2007 and FY2025 — existing owners have been diluted over the record. Capital Discipline scores it 44/100.

Put together: Pricing Power is the strongest of the four filters (82/100) and Returns on Capital the weakest (0/100), which is how LUMN lands at 33/100 — a None moat.

This breakdown is generated from the filed numbers and sub-scores above — no outside narrative, no estimates. Where a filing doesn’t disclose an input, the sentence that would need it is omitted instead of guessed.

FY2007–FY2025 · 19 fiscal years, normalized from LUMN’s SEC filings

RevenueSales, as filed$11.3B FY2025
$0$10B$20B2007201320192025
Gross marginRevenue kept after cost of goods41.4% FY2025
0%25%50%2007201320192025
Return on invested capitalOperating profit on the capital employed−4.2% FY2025
−25%0%2007201320192025
Owner earningsCash an owner could take out−$1.7B FY2025
−$10B$02007201320192025

Gaps in a line mean that item isn’t in LUMN’s filings for that year — the series is never interpolated or estimated. The Table view lists every filed value, including operating and net margins, total debt, and share count.

Moat Score history

3 logged readings since Jul 17, 2026 · append-only, never rewritten

Moat Score over timeLast scored reading of each day, on the 0–100 scale33.3 / 100
0406080100WideNarrowShallowNo moatJul 17, 2026

Score history begins Jul 17, 2026 — the record builds from here and can’t be backfilled.

Tier changesSame-methodology crossings of the Wide / Narrow / Shallow bars

None yet — LUMN has read No moat for every logged capture since Jul 17, 2026.

Scores are logged append-only and never overwritten — this record can’t be backfilled, which is exactly why it’s worth keeping.

Communications context

#37 of 56 scored Communications companies, ranked by Moat Score.

Nearest peers by Moat Score

  1. #35SHEN Shenandoah Telecommunications Company34.8 out of 100, No moatNo moat
  2. #36VSAT VIASAT, INC.34.8 out of 100, No moatNo moat
  3. #38SPIR SPIRE GLOBAL, INC.31.5 out of 100, No moatNo moat
  4. #39AD ARRAY DIGITAL INFRASTRUCTURE, INC.31.4 out of 100, No moatNo moat

Compare LUMN with its nearest peersAll Communications companies on the Index →

Common questions about LUMN

Does Lumen Technologies, Inc. have an economic moat?
Based on its FY2025 SEC filings, the Moat Index scores Lumen Technologies, Inc. (LUMN) 33.3 out of 100 — below the Shallow-moat bar, so no moat. The four filters behind that score (each 0–100): pricing power 82, returns on capital 0, balance-sheet safety 0, capital discipline 44.
How has LUMN's Moat Score changed over time?
The record logs 3 readings since Jul 17, 2026; the latest reads 33.3 out of 100 (no moat). No tier changes on record yet. The history is append-only — readings are only ever added, never rewritten.
Embed this score on your site

One iframe, no script. The badge shows LUMN’s live Moat Score, updates itself as new filings are scored, and links back here. How it works.

<iframe
  src="https://buylikebuffett.com/embed/LUMN"
  width="340" height="150" style="border:0"
  title="LUMN Moat Score — The Moat Index"
  loading="lazy"></iframe>
Lumen Technologies, Inc. (LUMN) Moat Score — The Moat Index · Buy Like Buffett