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Side-by-side financial comparison of QWEST CORP (CTBB) and Zoom Communications, Inc. (ZM). Click either name above to swap in a different company.

Zoom Communications, Inc. is the larger business by last-quarter revenue ($1.2B vs $1.1B, roughly 1.1× QWEST CORP). Zoom Communications, Inc. runs the higher net margin — 49.8% vs -187.5%, a 237.3% gap on every dollar of revenue. On growth, Zoom Communications, Inc. posted the faster year-over-year revenue change (4.4% vs -15.0%). Zoom Communications, Inc. produced more free cash flow last quarter ($614.3M vs $160.0M). Over the past eight quarters, Zoom Communications, Inc.'s revenue compounded faster (3.6% CAGR vs -8.6%).

Qwest Corporation, doing business as CenturyLink QC, is a Regional Bell Operating Company owned by Lumen Technologies. It was originally named Mountain States Telephone and Telegraph Company, later becoming known as Mountain Bell, then US West Communications, Inc. from 1991 to 2000. It includes the former operations of Malheur Bell, Northwestern Bell and Pacific Northwest Bell as well.

Zoom Communications, Inc. is an American communications technology company headquartered in San Jose, California, United States. It is primarily known for the videoconferencing application Zoom.

CTBB vs ZM — Head-to-Head

Bigger by revenue
ZM
ZM
1.1× larger
ZM
$1.2B
$1.1B
CTBB
Growing faster (revenue YoY)
ZM
ZM
+19.5% gap
ZM
4.4%
-15.0%
CTBB
Higher net margin
ZM
ZM
237.3% more per $
ZM
49.8%
-187.5%
CTBB
More free cash flow
ZM
ZM
$454.3M more FCF
ZM
$614.3M
$160.0M
CTBB
Faster 2-yr revenue CAGR
ZM
ZM
Annualised
ZM
3.6%
-8.6%
CTBB

Income Statement — Q4 FY2025 vs Q3 FY2026

Metric
CTBB
CTBB
ZM
ZM
Revenue
$1.1B
$1.2B
Net Profit
$-2.1B
$612.9M
Gross Margin
67.9%
77.9%
Operating Margin
-183.2%
25.2%
Net Margin
-187.5%
49.8%
Revenue YoY
-15.0%
4.4%
Net Profit YoY
-627.9%
196.0%
EPS (diluted)
$2.01

Green = leading value per metric. Periods may differ when fiscal calendars don't align.

8-Quarter Revenue & Profit Trend

Side-by-side quarterly history. Quarters aligned by calendar period so offset fiscal years line up.

Revenue
CTBB
CTBB
ZM
ZM
Q4 25
$1.1B
$1.2B
Q3 25
$1.1B
$1.2B
Q2 25
$1.1B
$1.2B
Q1 25
$1.2B
$1.2B
Q4 24
$1.3B
$1.2B
Q3 24
$1.3B
$1.2B
Q2 24
$1.3B
$1.1B
Q1 24
$1.3B
$1.1B
Net Profit
CTBB
CTBB
ZM
ZM
Q4 25
$-2.1B
$612.9M
Q3 25
$176.0M
$358.6M
Q2 25
$277.0M
$254.6M
Q1 25
$284.0M
$367.9M
Q4 24
$391.0M
$207.1M
Q3 24
$365.0M
$219.0M
Q2 24
$378.0M
$216.3M
Q1 24
$353.0M
$298.8M
Gross Margin
CTBB
CTBB
ZM
ZM
Q4 25
67.9%
77.9%
Q3 25
65.3%
77.6%
Q2 25
68.2%
76.3%
Q1 25
69.3%
75.7%
Q4 24
71.2%
75.9%
Q3 24
69.9%
75.5%
Q2 24
71.6%
76.1%
Q1 24
71.9%
75.9%
Operating Margin
CTBB
CTBB
ZM
ZM
Q4 25
-183.2%
25.2%
Q3 25
22.3%
26.4%
Q2 25
33.1%
20.6%
Q1 25
33.7%
19.0%
Q4 24
40.7%
15.5%
Q3 24
38.5%
17.4%
Q2 24
40.3%
17.8%
Q1 24
37.6%
14.7%
Net Margin
CTBB
CTBB
ZM
ZM
Q4 25
-187.5%
49.8%
Q3 25
16.1%
29.5%
Q2 25
24.3%
21.7%
Q1 25
24.7%
31.1%
Q4 24
30.2%
17.6%
Q3 24
28.2%
18.8%
Q2 24
28.7%
19.0%
Q1 24
26.8%
26.1%
EPS (diluted)
CTBB
CTBB
ZM
ZM
Q4 25
$2.01
Q3 25
$1.16
Q2 25
$0.81
Q1 25
$1.16
Q4 24
$0.66
Q3 24
$0.70
Q2 24
$0.69
Q1 24
$0.98

Balance Sheet & Financial Strength

Snapshot of each company's liquidity, leverage and book value from the latest quarter.

Metric
CTBB
CTBB
ZM
ZM
Cash + ST InvestmentsLiquidity on hand
$39.0M
$1.2B
Total DebtLower is stronger
$1.7B
Stockholders' EquityBook value
$10.9B
$9.3B
Total Assets
$15.8B
$11.4B
Debt / EquityLower = less leverage
0.15×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
CTBB
CTBB
ZM
ZM
Q4 25
$39.0M
$1.2B
Q3 25
$36.0M
$1.2B
Q2 25
$25.0M
$1.2B
Q1 25
$40.0M
$1.3B
Q4 24
$26.0M
$1.3B
Q3 24
$22.0M
$1.5B
Q2 24
$18.0M
$1.9B
Q1 24
$14.0M
$1.6B
Total Debt
CTBB
CTBB
ZM
ZM
Q4 25
$1.7B
Q3 25
$1.7B
Q2 25
$1.7B
Q1 25
$1.7B
Q4 24
$1.7B
Q3 24
$1.7B
Q2 24
$1.9B
Q1 24
$1.9B
Stockholders' Equity
CTBB
CTBB
ZM
ZM
Q4 25
$10.9B
$9.3B
Q3 25
$13.0B
$9.0B
Q2 25
$12.8B
$8.9B
Q1 25
$12.5B
$8.9B
Q4 24
$12.2B
$8.7B
Q3 24
$11.9B
$8.5B
Q2 24
$11.5B
$8.3B
Q1 24
$11.1B
$8.0B
Total Assets
CTBB
CTBB
ZM
ZM
Q4 25
$15.8B
$11.4B
Q3 25
$17.9B
$11.0B
Q2 25
$17.8B
$11.0B
Q1 25
$17.6B
$11.0B
Q4 24
$17.4B
$10.7B
Q3 24
$17.0B
$10.5B
Q2 24
$16.6B
$10.3B
Q1 24
$16.4B
$9.9B
Debt / Equity
CTBB
CTBB
ZM
ZM
Q4 25
0.15×
Q3 25
0.13×
Q2 25
0.13×
Q1 25
0.13×
Q4 24
0.14×
Q3 24
0.14×
Q2 24
0.17×
Q1 24
0.17×

Cash Flow & Capital Efficiency

How much cash each business actually produces after reinvestment. Cash flow is harder to manipulate than net income.

Metric
CTBB
CTBB
ZM
ZM
Operating Cash FlowLast quarter
$402.0M
$629.3M
Free Cash FlowOCF − Capex
$160.0M
$614.3M
FCF MarginFCF / Revenue
14.5%
50.0%
Capex IntensityCapex / Revenue
22.0%
1.2%
Cash ConversionOCF / Net Profit
1.03×
TTM Free Cash FlowTrailing 4 quarters
$938.0M
$2.0B

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
CTBB
CTBB
ZM
ZM
Q4 25
$402.0M
$629.3M
Q3 25
$427.0M
$515.9M
Q2 25
$480.0M
$489.3M
Q1 25
$453.0M
$424.6M
Q4 24
$548.0M
$483.2M
Q3 24
$627.0M
$449.3M
Q2 24
$548.0M
$588.2M
Q1 24
$471.0M
$351.2M
Free Cash Flow
CTBB
CTBB
ZM
ZM
Q4 25
$160.0M
$614.3M
Q3 25
$252.0M
$508.0M
Q2 25
$276.0M
$463.4M
Q1 25
$250.0M
$416.2M
Q4 24
$277.0M
$457.7M
Q3 24
$396.0M
$365.1M
Q2 24
$280.0M
$569.7M
Q1 24
$194.0M
$332.7M
FCF Margin
CTBB
CTBB
ZM
ZM
Q4 25
14.5%
50.0%
Q3 25
23.1%
41.7%
Q2 25
24.2%
39.4%
Q1 25
21.7%
35.2%
Q4 24
21.4%
38.9%
Q3 24
30.6%
31.4%
Q2 24
21.3%
49.9%
Q1 24
14.7%
29.0%
Capex Intensity
CTBB
CTBB
ZM
ZM
Q4 25
22.0%
1.2%
Q3 25
16.0%
0.7%
Q2 25
17.9%
2.2%
Q1 25
17.6%
0.7%
Q4 24
20.9%
2.2%
Q3 24
17.9%
7.2%
Q2 24
20.4%
1.6%
Q1 24
21.0%
1.6%
Cash Conversion
CTBB
CTBB
ZM
ZM
Q4 25
1.03×
Q3 25
2.43×
1.44×
Q2 25
1.73×
1.92×
Q1 25
1.60×
1.15×
Q4 24
1.40×
2.33×
Q3 24
1.72×
2.05×
Q2 24
1.45×
2.72×
Q1 24
1.33×
1.18×

Financial Flow Comparison

Revenue → gross profit → operating profit → net profit for each company.

Revenue Breakdown by Segment

CTBB
CTBB

Nonrelated Party$665.0M60%
Other$436.0M40%

ZM
ZM

Segment breakdown not available.

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