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Side-by-side financial comparison of QWEST CORP (CTBB) and RENAISSANCERE HOLDINGS LTD (RNR). Click either name above to swap in a different company.

RENAISSANCERE HOLDINGS LTD is the larger business by last-quarter revenue ($2.2B vs $1.1B, roughly 2.0× QWEST CORP). RENAISSANCERE HOLDINGS LTD runs the higher net margin — 23.5% vs -187.5%, a 211.0% gap on every dollar of revenue. On growth, QWEST CORP posted the faster year-over-year revenue change (-15.0% vs -36.8%). Over the past eight quarters, QWEST CORP's revenue compounded faster (-8.6% CAGR vs -11.9%).

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.

RenaissanceRe Holdings Ltd is a Bermudian provider of reinsurance, insurance and other related business services. The company operates in reinsurance, insurance and ventures.

CTBB vs RNR — Head-to-Head

Bigger by revenue
RNR
RNR
2.0× larger
RNR
$2.2B
$1.1B
CTBB
Growing faster (revenue YoY)
CTBB
CTBB
+21.7% gap
CTBB
-15.0%
-36.8%
RNR
Higher net margin
RNR
RNR
211.0% more per $
RNR
23.5%
-187.5%
CTBB
Faster 2-yr revenue CAGR
CTBB
CTBB
Annualised
CTBB
-8.6%
-11.9%
RNR

Income Statement — Q4 FY2025 vs Q1 FY2026

Metric
CTBB
CTBB
RNR
RNR
Revenue
$1.1B
$2.2B
Net Profit
$-2.1B
$515.8M
Gross Margin
67.9%
Operating Margin
-183.2%
Net Margin
-187.5%
23.5%
Revenue YoY
-15.0%
-36.8%
Net Profit YoY
-627.9%
72.6%
EPS (diluted)
$6.57

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
RNR
RNR
Q1 26
$2.2B
Q4 25
$1.1B
$3.0B
Q3 25
$1.1B
$3.2B
Q2 25
$1.1B
$3.2B
Q1 25
$1.2B
$3.5B
Q4 24
$1.3B
$2.3B
Q3 24
$1.3B
$4.0B
Q2 24
$1.3B
$2.8B
Net Profit
CTBB
CTBB
RNR
RNR
Q1 26
$515.8M
Q4 25
$-2.1B
$760.5M
Q3 25
$176.0M
$916.5M
Q2 25
$277.0M
$835.4M
Q1 25
$284.0M
$170.0M
Q4 24
$391.0M
$-189.7M
Q3 24
$365.0M
$1.2B
Q2 24
$378.0M
$503.9M
Gross Margin
CTBB
CTBB
RNR
RNR
Q1 26
Q4 25
67.9%
Q3 25
65.3%
Q2 25
68.2%
Q1 25
69.3%
Q4 24
71.2%
Q3 24
69.9%
Q2 24
71.6%
Operating Margin
CTBB
CTBB
RNR
RNR
Q1 26
Q4 25
-183.2%
42.5%
Q3 25
22.3%
46.3%
Q2 25
33.1%
41.8%
Q1 25
33.7%
-2.0%
Q4 24
40.7%
-3.6%
Q3 24
38.5%
43.7%
Q2 24
40.3%
25.0%
Net Margin
CTBB
CTBB
RNR
RNR
Q1 26
23.5%
Q4 25
-187.5%
25.6%
Q3 25
16.1%
28.7%
Q2 25
24.3%
26.1%
Q1 25
24.7%
4.9%
Q4 24
30.2%
-8.3%
Q3 24
28.2%
29.8%
Q2 24
28.7%
17.8%
EPS (diluted)
CTBB
CTBB
RNR
RNR
Q1 26
$6.57
Q4 25
$16.16
Q3 25
$19.40
Q2 25
$17.20
Q1 25
$3.27
Q4 24
$-3.76
Q3 24
$22.62
Q2 24
$9.41

Balance Sheet & Financial Strength

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

Metric
CTBB
CTBB
RNR
RNR
Cash + ST InvestmentsLiquidity on hand
$39.0M
$1.6B
Total DebtLower is stronger
$1.7B
Stockholders' EquityBook value
$10.9B
$4.3B
Total Assets
$15.8B
$53.7B
Debt / EquityLower = less leverage
0.15×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
CTBB
CTBB
RNR
RNR
Q1 26
$1.6B
Q4 25
$39.0M
$1.7B
Q3 25
$36.0M
$1.7B
Q2 25
$25.0M
$1.4B
Q1 25
$40.0M
$1.6B
Q4 24
$26.0M
$1.7B
Q3 24
$22.0M
$1.6B
Q2 24
$18.0M
$1.6B
Total Debt
CTBB
CTBB
RNR
RNR
Q1 26
Q4 25
$1.7B
$2.3B
Q3 25
$1.7B
$2.2B
Q2 25
$1.7B
$2.3B
Q1 25
$1.7B
$2.8B
Q4 24
$1.7B
$1.9B
Q3 24
$1.7B
$1.9B
Q2 24
$1.9B
$2.0B
Stockholders' Equity
CTBB
CTBB
RNR
RNR
Q1 26
$4.3B
Q4 25
$10.9B
$11.6B
Q3 25
$13.0B
$11.5B
Q2 25
$12.8B
$10.8B
Q1 25
$12.5B
$10.3B
Q4 24
$12.2B
$10.6B
Q3 24
$11.9B
$11.2B
Q2 24
$11.5B
$10.2B
Total Assets
CTBB
CTBB
RNR
RNR
Q1 26
$53.7B
Q4 25
$15.8B
$53.8B
Q3 25
$17.9B
$54.5B
Q2 25
$17.8B
$54.7B
Q1 25
$17.6B
$53.6B
Q4 24
$17.4B
$50.7B
Q3 24
$17.0B
$52.8B
Q2 24
$16.6B
$51.6B
Debt / Equity
CTBB
CTBB
RNR
RNR
Q1 26
Q4 25
0.15×
0.20×
Q3 25
0.13×
0.19×
Q2 25
0.13×
0.21×
Q1 25
0.13×
0.27×
Q4 24
0.14×
0.18×
Q3 24
0.14×
0.17×
Q2 24
0.17×
0.19×

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
RNR
RNR
Operating Cash FlowLast quarter
$402.0M
Free Cash FlowOCF − Capex
$160.0M
FCF MarginFCF / Revenue
14.5%
Capex IntensityCapex / Revenue
22.0%
Cash ConversionOCF / Net Profit
TTM Free Cash FlowTrailing 4 quarters
$938.0M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
CTBB
CTBB
RNR
RNR
Q1 26
Q4 25
$402.0M
$483.0M
Q3 25
$427.0M
$1.6B
Q2 25
$480.0M
$1.5B
Q1 25
$453.0M
$157.8M
Q4 24
$548.0M
$778.9M
Q3 24
$627.0M
$1.5B
Q2 24
$548.0M
$1.2B
Free Cash Flow
CTBB
CTBB
RNR
RNR
Q1 26
Q4 25
$160.0M
Q3 25
$252.0M
Q2 25
$276.0M
Q1 25
$250.0M
Q4 24
$277.0M
Q3 24
$396.0M
Q2 24
$280.0M
FCF Margin
CTBB
CTBB
RNR
RNR
Q1 26
Q4 25
14.5%
Q3 25
23.1%
Q2 25
24.2%
Q1 25
21.7%
Q4 24
21.4%
Q3 24
30.6%
Q2 24
21.3%
Capex Intensity
CTBB
CTBB
RNR
RNR
Q1 26
Q4 25
22.0%
Q3 25
16.0%
Q2 25
17.9%
Q1 25
17.6%
Q4 24
20.9%
Q3 24
17.9%
Q2 24
20.4%
Cash Conversion
CTBB
CTBB
RNR
RNR
Q1 26
Q4 25
0.64×
Q3 25
2.43×
1.73×
Q2 25
1.73×
1.76×
Q1 25
1.60×
0.93×
Q4 24
1.40×
Q3 24
1.72×
1.26×
Q2 24
1.45×
2.41×

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%

RNR
RNR

Segment breakdown not available.

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