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

First Solar is the larger business by last-quarter revenue ($1.7B vs $899.9M, roughly 1.9× CoStar Group). First Solar runs the higher net margin — 31.0% vs 5.2%, a 25.8% gap on every dollar of revenue. On growth, CoStar Group posted the faster year-over-year revenue change (26.9% vs 11.1%). First Solar produced more free cash flow last quarter ($1.1B vs $101.3M). Over the past eight quarters, First Solar's revenue compounded faster (45.6% CAGR vs 17.1%).

CoStar Group, Inc. is an American provider of information, analytics, and marketing services to the commercial property industry in North America and Europe. Founded in 1987 by Andrew C. Florance and based in Arlington, Virginia, the company operates the CoStar online database and news website and several online marketplaces, including Apartments.com and Homes.com.

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.

CSGP vs FSLR — Head-to-Head

Bigger by revenue
FSLR
FSLR
1.9× larger
FSLR
$1.7B
$899.9M
CSGP
Growing faster (revenue YoY)
CSGP
CSGP
+15.7% gap
CSGP
26.9%
11.1%
FSLR
Higher net margin
FSLR
FSLR
25.8% more per $
FSLR
31.0%
5.2%
CSGP
More free cash flow
FSLR
FSLR
$968.9M more FCF
FSLR
$1.1B
$101.3M
CSGP
Faster 2-yr revenue CAGR
FSLR
FSLR
Annualised
FSLR
45.6%
17.1%
CSGP

Income Statement — Q4 FY2025 vs Q4 FY2025

Metric
CSGP
CSGP
FSLR
FSLR
Revenue
$899.9M
$1.7B
Net Profit
$46.5M
$520.9M
Gross Margin
78.6%
39.5%
Operating Margin
5.5%
32.6%
Net Margin
5.2%
31.0%
Revenue YoY
26.9%
11.1%
Net Profit YoY
-22.2%
32.5%
EPS (diluted)
$0.12
$4.84

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
CSGP
CSGP
FSLR
FSLR
Q4 25
$899.9M
$1.7B
Q3 25
$833.6M
$1.6B
Q2 25
$781.3M
$1.1B
Q1 25
$732.2M
$844.6M
Q4 24
$709.4M
$1.5B
Q3 24
$692.6M
$887.7M
Q2 24
$677.8M
$1.0B
Q1 24
$656.4M
$794.1M
Net Profit
CSGP
CSGP
FSLR
FSLR
Q4 25
$46.5M
$520.9M
Q3 25
$-30.9M
$455.9M
Q2 25
$6.2M
$341.9M
Q1 25
$-14.8M
$209.5M
Q4 24
$59.8M
$393.1M
Q3 24
$53.0M
$313.0M
Q2 24
$19.2M
$349.4M
Q1 24
$6.7M
$236.6M
Gross Margin
CSGP
CSGP
FSLR
FSLR
Q4 25
78.6%
39.5%
Q3 25
79.3%
38.3%
Q2 25
78.5%
45.6%
Q1 25
79.1%
40.8%
Q4 24
80.1%
37.5%
Q3 24
79.7%
50.2%
Q2 24
80.0%
49.4%
Q1 24
78.5%
43.6%
Operating Margin
CSGP
CSGP
FSLR
FSLR
Q4 25
5.5%
32.6%
Q3 25
-6.1%
29.2%
Q2 25
-3.5%
33.0%
Q1 25
-5.8%
26.2%
Q4 24
5.6%
30.2%
Q3 24
3.4%
36.3%
Q2 24
-2.4%
36.9%
Q1 24
-6.5%
30.6%
Net Margin
CSGP
CSGP
FSLR
FSLR
Q4 25
5.2%
31.0%
Q3 25
-3.7%
28.6%
Q2 25
0.8%
31.2%
Q1 25
-2.0%
24.8%
Q4 24
8.4%
26.0%
Q3 24
7.7%
35.3%
Q2 24
2.8%
34.6%
Q1 24
1.0%
29.8%
EPS (diluted)
CSGP
CSGP
FSLR
FSLR
Q4 25
$0.12
$4.84
Q3 25
$-0.07
$4.24
Q2 25
$0.01
$3.18
Q1 25
$-0.04
$1.95
Q4 24
$0.14
$3.66
Q3 24
$0.13
$2.91
Q2 24
$0.05
$3.25
Q1 24
$0.02
$2.20

Balance Sheet & Financial Strength

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

Metric
CSGP
CSGP
FSLR
FSLR
Cash + ST InvestmentsLiquidity on hand
$1.6B
$2.8B
Total DebtLower is stronger
$140.0M
Stockholders' EquityBook value
$8.3B
$9.5B
Total Assets
$10.5B
$13.3B
Debt / EquityLower = less leverage
0.02×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
CSGP
CSGP
FSLR
FSLR
Q4 25
$1.6B
$2.8B
Q3 25
$1.9B
$2.0B
Q2 25
$3.6B
$1.1B
Q1 25
$3.7B
$837.6M
Q4 24
$4.7B
$1.6B
Q3 24
$1.0B
Q2 24
$1.7B
Q1 24
$1.7B
Total Debt
CSGP
CSGP
FSLR
FSLR
Q4 25
$140.0M
Q3 25
$1.0B
Q2 25
$1.0B
Q1 25
$1.0B
Q4 24
$1.0B
Q3 24
$1.0B
Q2 24
$1.0B
Q1 24
$1.0B
Stockholders' Equity
CSGP
CSGP
FSLR
FSLR
Q4 25
$8.3B
$9.5B
Q3 25
$8.6B
$9.0B
Q2 25
$8.6B
$8.5B
Q1 25
$8.6B
$8.2B
Q4 24
$7.6B
$8.0B
Q3 24
$7.5B
$7.6B
Q2 24
$7.4B
$7.3B
Q1 24
$7.3B
$6.9B
Total Assets
CSGP
CSGP
FSLR
FSLR
Q4 25
$10.5B
$13.3B
Q3 25
$10.8B
$13.5B
Q2 25
$10.5B
$12.9B
Q1 25
$10.4B
$12.1B
Q4 24
$9.3B
$12.1B
Q3 24
$9.1B
$11.4B
Q2 24
$9.1B
$11.0B
Q1 24
$9.0B
$10.8B
Debt / Equity
CSGP
CSGP
FSLR
FSLR
Q4 25
0.02×
Q3 25
0.12×
Q2 25
0.12×
Q1 25
0.12×
Q4 24
0.13×
Q3 24
0.13×
Q2 24
0.14×
Q1 24
0.14×

Cash Flow & Capital Efficiency

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

Metric
CSGP
CSGP
FSLR
FSLR
Operating Cash FlowLast quarter
$162.1M
$1.2B
Free Cash FlowOCF − Capex
$101.3M
$1.1B
FCF MarginFCF / Revenue
11.3%
63.6%
Capex IntensityCapex / Revenue
6.8%
10.2%
Cash ConversionOCF / Net Profit
3.49×
2.38×
TTM Free Cash FlowTrailing 4 quarters
$123.0M
$1.2B

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
CSGP
CSGP
FSLR
FSLR
Q4 25
$162.1M
$1.2B
Q3 25
$68.2M
$1.3B
Q2 25
$146.5M
$149.6M
Q1 25
$53.2M
$-608.0M
Q4 24
$94.6M
$811.0M
Q3 24
$100.3M
$-53.7M
Q2 24
$58.1M
$193.0M
Q1 24
$139.6M
$267.7M
Free Cash Flow
CSGP
CSGP
FSLR
FSLR
Q4 25
$101.3M
$1.1B
Q3 25
$-5.5M
$1.1B
Q2 25
$27.7M
$-138.6M
Q1 25
$-500.0K
$-813.9M
Q4 24
$25.2M
$497.5M
Q3 24
$40.2M
$-487.7M
Q2 24
$-14.7M
$-172.1M
Q1 24
$-237.1M
$-145.7M
FCF Margin
CSGP
CSGP
FSLR
FSLR
Q4 25
11.3%
63.6%
Q3 25
-0.7%
67.1%
Q2 25
3.5%
-12.6%
Q1 25
-0.1%
-96.4%
Q4 24
3.6%
32.9%
Q3 24
5.8%
-54.9%
Q2 24
-2.2%
-17.0%
Q1 24
-36.1%
-18.4%
Capex Intensity
CSGP
CSGP
FSLR
FSLR
Q4 25
6.8%
10.2%
Q3 25
8.8%
12.8%
Q2 25
15.2%
26.3%
Q1 25
7.3%
24.4%
Q4 24
9.8%
20.7%
Q3 24
8.7%
48.9%
Q2 24
10.7%
36.1%
Q1 24
57.4%
52.1%
Cash Conversion
CSGP
CSGP
FSLR
FSLR
Q4 25
3.49×
2.38×
Q3 25
2.79×
Q2 25
23.63×
0.44×
Q1 25
-2.90×
Q4 24
1.58×
2.06×
Q3 24
1.89×
-0.17×
Q2 24
3.03×
0.55×
Q1 24
20.84×
1.13×

Financial Flow Comparison

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

Revenue Breakdown by Segment

CSGP
CSGP

Co Star$503.8M56%
Other$283.0M31%
Loop Net$94.7M11%

FSLR
FSLR

Segment breakdown not available.

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