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Side-by-side financial comparison of QWEST CORP (CTBB) and First Solar (FSLR). Click either name above to swap in a different company.

QWEST CORP is the larger business by last-quarter revenue ($1.1B vs $1.0B, roughly 1.1× First Solar). First Solar runs the higher net margin — 33.2% vs -187.5%, a 220.7% gap on every dollar of revenue. On growth, First Solar posted the faster year-over-year revenue change (23.6% vs -15.0%). Over the past eight quarters, First Solar's revenue compounded faster (1.7% 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.

First Solar, Inc. is a publicly traded American manufacturer of solar panels. First Solar uses rigid thin-film modules for its solar panels, and produces CdTe panels using cadmium telluride (CdTe) as a semiconductor. The company was founded in 1990 by inventor Harold McMaster as Solar Cells, Inc. In 1999 it was purchased by True North Partners, LLC, which rebranded it as First Solar, Inc. It provides end-of-life panel recycling at each of its manufacturing facilities.

CTBB vs FSLR — Head-to-Head

Bigger by revenue
CTBB
CTBB
1.1× larger
CTBB
$1.1B
$1.0B
FSLR
Growing faster (revenue YoY)
FSLR
FSLR
+38.7% gap
FSLR
23.6%
-15.0%
CTBB
Higher net margin
FSLR
FSLR
220.7% more per $
FSLR
33.2%
-187.5%
CTBB
Faster 2-yr revenue CAGR
FSLR
FSLR
Annualised
FSLR
1.7%
-8.6%
CTBB

Income Statement — Q4 FY2025 vs Q1 FY2026

Metric
CTBB
CTBB
FSLR
FSLR
Revenue
$1.1B
$1.0B
Net Profit
$-2.1B
$346.6M
Gross Margin
67.9%
46.6%
Operating Margin
-183.2%
33.1%
Net Margin
-187.5%
33.2%
Revenue YoY
-15.0%
23.6%
Net Profit YoY
-627.9%
65.4%
EPS (diluted)
$3.22

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
FSLR
FSLR
Q1 26
$1.0B
Q4 25
$1.1B
$1.7B
Q3 25
$1.1B
$1.6B
Q2 25
$1.1B
$1.1B
Q1 25
$1.2B
$844.6M
Q4 24
$1.3B
$1.5B
Q3 24
$1.3B
$887.7M
Q2 24
$1.3B
$1.0B
Net Profit
CTBB
CTBB
FSLR
FSLR
Q1 26
$346.6M
Q4 25
$-2.1B
$520.9M
Q3 25
$176.0M
$455.9M
Q2 25
$277.0M
$341.9M
Q1 25
$284.0M
$209.5M
Q4 24
$391.0M
$393.1M
Q3 24
$365.0M
$313.0M
Q2 24
$378.0M
$349.4M
Gross Margin
CTBB
CTBB
FSLR
FSLR
Q1 26
46.6%
Q4 25
67.9%
39.5%
Q3 25
65.3%
38.3%
Q2 25
68.2%
45.6%
Q1 25
69.3%
40.8%
Q4 24
71.2%
37.5%
Q3 24
69.9%
50.2%
Q2 24
71.6%
49.4%
Operating Margin
CTBB
CTBB
FSLR
FSLR
Q1 26
33.1%
Q4 25
-183.2%
32.6%
Q3 25
22.3%
29.2%
Q2 25
33.1%
33.0%
Q1 25
33.7%
26.2%
Q4 24
40.7%
30.2%
Q3 24
38.5%
36.3%
Q2 24
40.3%
36.9%
Net Margin
CTBB
CTBB
FSLR
FSLR
Q1 26
33.2%
Q4 25
-187.5%
31.0%
Q3 25
16.1%
28.6%
Q2 25
24.3%
31.2%
Q1 25
24.7%
24.8%
Q4 24
30.2%
26.0%
Q3 24
28.2%
35.3%
Q2 24
28.7%
34.6%
EPS (diluted)
CTBB
CTBB
FSLR
FSLR
Q1 26
$3.22
Q4 25
$4.84
Q3 25
$4.24
Q2 25
$3.18
Q1 25
$1.95
Q4 24
$3.66
Q3 24
$2.91
Q2 24
$3.25

Balance Sheet & Financial Strength

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

Metric
CTBB
CTBB
FSLR
FSLR
Cash + ST InvestmentsLiquidity on hand
$39.0M
$2.4B
Total DebtLower is stronger
$1.7B
$425.8M
Stockholders' EquityBook value
$10.9B
$9.9B
Total Assets
$15.8B
$13.4B
Debt / EquityLower = less leverage
0.15×
0.04×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
CTBB
CTBB
FSLR
FSLR
Q1 26
$2.4B
Q4 25
$39.0M
$2.8B
Q3 25
$36.0M
$2.0B
Q2 25
$25.0M
$1.1B
Q1 25
$40.0M
$837.6M
Q4 24
$26.0M
$1.6B
Q3 24
$22.0M
$1.0B
Q2 24
$18.0M
$1.7B
Total Debt
CTBB
CTBB
FSLR
FSLR
Q1 26
$425.8M
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
Stockholders' Equity
CTBB
CTBB
FSLR
FSLR
Q1 26
$9.9B
Q4 25
$10.9B
$9.5B
Q3 25
$13.0B
$9.0B
Q2 25
$12.8B
$8.5B
Q1 25
$12.5B
$8.2B
Q4 24
$12.2B
$8.0B
Q3 24
$11.9B
$7.6B
Q2 24
$11.5B
$7.3B
Total Assets
CTBB
CTBB
FSLR
FSLR
Q1 26
$13.4B
Q4 25
$15.8B
$13.3B
Q3 25
$17.9B
$13.5B
Q2 25
$17.8B
$12.9B
Q1 25
$17.6B
$12.1B
Q4 24
$17.4B
$12.1B
Q3 24
$17.0B
$11.4B
Q2 24
$16.6B
$11.0B
Debt / Equity
CTBB
CTBB
FSLR
FSLR
Q1 26
0.04×
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×

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
FSLR
FSLR
Operating Cash FlowLast quarter
$402.0M
$-214.9M
Free Cash FlowOCF − Capex
$160.0M
FCF MarginFCF / Revenue
14.5%
Capex IntensityCapex / Revenue
22.0%
Cash ConversionOCF / Net Profit
-0.62×
TTM Free Cash FlowTrailing 4 quarters
$938.0M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
CTBB
CTBB
FSLR
FSLR
Q1 26
$-214.9M
Q4 25
$402.0M
$1.2B
Q3 25
$427.0M
$1.3B
Q2 25
$480.0M
$149.6M
Q1 25
$453.0M
$-608.0M
Q4 24
$548.0M
$811.0M
Q3 24
$627.0M
$-53.7M
Q2 24
$548.0M
$193.0M
Free Cash Flow
CTBB
CTBB
FSLR
FSLR
Q1 26
Q4 25
$160.0M
$1.1B
Q3 25
$252.0M
$1.1B
Q2 25
$276.0M
$-138.6M
Q1 25
$250.0M
$-813.9M
Q4 24
$277.0M
$497.5M
Q3 24
$396.0M
$-487.7M
Q2 24
$280.0M
$-172.1M
FCF Margin
CTBB
CTBB
FSLR
FSLR
Q1 26
Q4 25
14.5%
63.6%
Q3 25
23.1%
67.1%
Q2 25
24.2%
-12.6%
Q1 25
21.7%
-96.4%
Q4 24
21.4%
32.9%
Q3 24
30.6%
-54.9%
Q2 24
21.3%
-17.0%
Capex Intensity
CTBB
CTBB
FSLR
FSLR
Q1 26
Q4 25
22.0%
10.2%
Q3 25
16.0%
12.8%
Q2 25
17.9%
26.3%
Q1 25
17.6%
24.4%
Q4 24
20.9%
20.7%
Q3 24
17.9%
48.9%
Q2 24
20.4%
36.1%
Cash Conversion
CTBB
CTBB
FSLR
FSLR
Q1 26
-0.62×
Q4 25
2.38×
Q3 25
2.43×
2.79×
Q2 25
1.73×
0.44×
Q1 25
1.60×
-2.90×
Q4 24
1.40×
2.06×
Q3 24
1.72×
-0.17×
Q2 24
1.45×
0.55×

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%

FSLR
FSLR

Segment breakdown not available.

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