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Side-by-side financial comparison of First Solar (FSLR) and WHITE MOUNTAINS INSURANCE GROUP LTD (WTM). Click either name above to swap in a different company.

First Solar is the larger business by last-quarter revenue ($1.7B vs $1.6B, roughly 1.0× WHITE MOUNTAINS INSURANCE GROUP LTD). WHITE MOUNTAINS INSURANCE GROUP LTD runs the higher net margin — 52.1% vs 31.0%, a 21.2% gap on every dollar of revenue. On growth, WHITE MOUNTAINS INSURANCE GROUP LTD posted the faster year-over-year revenue change (348.0% vs 11.1%). Over the past eight quarters, WHITE MOUNTAINS INSURANCE GROUP LTD's revenue compounded faster (57.4% CAGR vs 29.0%).

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.

White Mountains Insurance Group is a diversified insurance and related financial services holding company based in Hamilton, Bermuda. Redomiciled from Delaware, United States, on October 25, 1999, the company conducts most of its business through its insurance subsidiaries and other affiliates.

FSLR vs WTM — Head-to-Head

Bigger by revenue
FSLR
FSLR
1.0× larger
FSLR
$1.7B
$1.6B
WTM
Growing faster (revenue YoY)
WTM
WTM
+336.8% gap
WTM
348.0%
11.1%
FSLR
Higher net margin
WTM
WTM
21.2% more per $
WTM
52.1%
31.0%
FSLR
Faster 2-yr revenue CAGR
WTM
WTM
Annualised
WTM
57.4%
29.0%
FSLR

Income Statement — Q1 FY2026 vs Q4 FY2025

Metric
FSLR
FSLR
WTM
WTM
Revenue
$1.7B
$1.6B
Net Profit
$520.9M
$835.8M
Gross Margin
39.5%
97.1%
Operating Margin
32.6%
56.2%
Net Margin
31.0%
52.1%
Revenue YoY
11.1%
348.0%
Net Profit YoY
32.5%
741.0%
EPS (diluted)
$4.84
$325.02

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
FSLR
FSLR
WTM
WTM
Q1 26
$1.7B
Q4 25
$1.7B
$1.6B
Q3 25
$1.6B
$864.2M
Q2 25
$1.1B
$689.2M
Q1 25
$844.6M
$577.8M
Q4 24
$1.5B
$358.0M
Q3 24
$887.7M
$839.1M
Q2 24
$1.0B
$395.4M
Net Profit
FSLR
FSLR
WTM
WTM
Q1 26
$520.9M
Q4 25
$520.9M
$835.8M
Q3 25
$455.9M
$113.8M
Q2 25
$341.9M
$122.9M
Q1 25
$209.5M
$33.9M
Q4 24
$393.1M
$-130.4M
Q3 24
$313.0M
$179.0M
Q2 24
$349.4M
$-54.6M
Gross Margin
FSLR
FSLR
WTM
WTM
Q1 26
39.5%
Q4 25
39.5%
97.1%
Q3 25
38.3%
93.6%
Q2 25
45.6%
93.8%
Q1 25
40.8%
98.7%
Q4 24
37.5%
97.9%
Q3 24
50.2%
99.1%
Q2 24
49.4%
98.2%
Operating Margin
FSLR
FSLR
WTM
WTM
Q1 26
32.6%
Q4 25
32.6%
56.2%
Q3 25
29.2%
20.7%
Q2 25
33.0%
25.6%
Q1 25
26.2%
12.5%
Q4 24
30.2%
-33.7%
Q3 24
36.3%
28.5%
Q2 24
36.9%
-8.8%
Net Margin
FSLR
FSLR
WTM
WTM
Q1 26
31.0%
Q4 25
31.0%
52.1%
Q3 25
28.6%
13.2%
Q2 25
31.2%
17.8%
Q1 25
24.8%
5.9%
Q4 24
26.0%
-36.4%
Q3 24
35.3%
21.3%
Q2 24
34.6%
-13.8%
EPS (diluted)
FSLR
FSLR
WTM
WTM
Q1 26
$4.84
Q4 25
$4.84
$325.02
Q3 25
$4.24
$44.18
Q2 25
$3.18
$47.75
Q1 25
$1.95
$13.19
Q4 24
$3.66
$-50.98
Q3 24
$2.91
$69.68
Q2 24
$3.25
$-21.24

Balance Sheet & Financial Strength

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

Metric
FSLR
FSLR
WTM
WTM
Cash + ST InvestmentsLiquidity on hand
$2.8B
Total DebtLower is stronger
$498.6M
$837.0M
Stockholders' EquityBook value
$9.5B
$5.4B
Total Assets
$13.3B
$12.3B
Debt / EquityLower = less leverage
0.05×
0.15×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
FSLR
FSLR
WTM
WTM
Q1 26
$2.8B
Q4 25
$2.8B
Q3 25
$2.0B
Q2 25
$1.1B
Q1 25
$837.6M
Q4 24
$1.6B
Q3 24
$1.0B
Q2 24
$1.7B
Total Debt
FSLR
FSLR
WTM
WTM
Q1 26
$498.6M
Q4 25
$837.0M
Q3 25
$870.4M
Q2 25
$694.6M
Q1 25
$676.1M
Q4 24
$562.5M
Q3 24
$544.9M
Q2 24
$530.2M
Stockholders' Equity
FSLR
FSLR
WTM
WTM
Q1 26
$9.5B
Q4 25
$9.5B
$5.4B
Q3 25
$9.0B
$4.8B
Q2 25
$8.5B
$4.6B
Q1 25
$8.2B
$4.5B
Q4 24
$8.0B
$4.5B
Q3 24
$7.6B
$4.6B
Q2 24
$7.3B
$4.4B
Total Assets
FSLR
FSLR
WTM
WTM
Q1 26
$13.3B
Q4 25
$13.3B
$12.3B
Q3 25
$13.5B
$12.3B
Q2 25
$12.9B
$11.8B
Q1 25
$12.1B
$11.0B
Q4 24
$12.1B
$9.9B
Q3 24
$11.4B
$10.3B
Q2 24
$11.0B
$10.2B
Debt / Equity
FSLR
FSLR
WTM
WTM
Q1 26
0.05×
Q4 25
0.15×
Q3 25
0.18×
Q2 25
0.15×
Q1 25
0.15×
Q4 24
0.13×
Q3 24
0.12×
Q2 24
0.12×

Cash Flow & Capital Efficiency

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

Metric
FSLR
FSLR
WTM
WTM
Operating Cash FlowLast quarter
$2.1B
$53.9M
Free Cash FlowOCF − Capex
FCF MarginFCF / Revenue
Capex IntensityCapex / Revenue
Cash ConversionOCF / Net Profit
3.95×
0.06×
TTM Free Cash FlowTrailing 4 quarters

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
FSLR
FSLR
WTM
WTM
Q1 26
$2.1B
Q4 25
$1.2B
$53.9M
Q3 25
$1.3B
$359.3M
Q2 25
$149.6M
$177.5M
Q1 25
$-608.0M
$-40.2M
Q4 24
$811.0M
$64.1M
Q3 24
$-53.7M
$269.4M
Q2 24
$193.0M
$216.8M
Free Cash Flow
FSLR
FSLR
WTM
WTM
Q1 26
Q4 25
$1.1B
Q3 25
$1.1B
Q2 25
$-138.6M
Q1 25
$-813.9M
Q4 24
$497.5M
Q3 24
$-487.7M
Q2 24
$-172.1M
FCF Margin
FSLR
FSLR
WTM
WTM
Q1 26
Q4 25
63.6%
Q3 25
67.1%
Q2 25
-12.6%
Q1 25
-96.4%
Q4 24
32.9%
Q3 24
-54.9%
Q2 24
-17.0%
Capex Intensity
FSLR
FSLR
WTM
WTM
Q1 26
Q4 25
10.2%
Q3 25
12.8%
Q2 25
26.3%
Q1 25
24.4%
Q4 24
20.7%
Q3 24
48.9%
Q2 24
36.1%
Cash Conversion
FSLR
FSLR
WTM
WTM
Q1 26
3.95×
Q4 25
2.38×
0.06×
Q3 25
2.79×
3.16×
Q2 25
0.44×
1.44×
Q1 25
-2.90×
-1.19×
Q4 24
2.06×
Q3 24
-0.17×
1.51×
Q2 24
0.55×

Financial Flow Comparison

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

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