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Side-by-side financial comparison of First Solar (FSLR) and RESIDEO TECHNOLOGIES, INC. (REZI). Click either name above to swap in a different company.

RESIDEO TECHNOLOGIES, INC. is the larger business by last-quarter revenue ($1.9B vs $1.0B, roughly 1.8× First Solar). First Solar runs the higher net margin — 33.2% vs 7.2%, a 26.0% gap on every dollar of revenue. On growth, First Solar posted the faster year-over-year revenue change (23.6% vs 2.0%). Over the past eight quarters, RESIDEO TECHNOLOGIES, INC.'s revenue compounded faster (12.9% CAGR vs 1.7%).

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.

Resideo Technologies, Inc. is an American multinational company that was formed in 2018 out of a spin-off from Honeywell. It provides room air temperature, quality, and humidity control and security systems primarily in residential dwellings in the U.S. and internationally. The company operates in two segments: products and distribution. It manufactures and distributes smart-home and software products, including temperature and lighting control, security, and water and air monitoring. The com...

FSLR vs REZI — Head-to-Head

Bigger by revenue
REZI
REZI
1.8× larger
REZI
$1.9B
$1.0B
FSLR
Growing faster (revenue YoY)
FSLR
FSLR
+21.7% gap
FSLR
23.6%
2.0%
REZI
Higher net margin
FSLR
FSLR
26.0% more per $
FSLR
33.2%
7.2%
REZI
Faster 2-yr revenue CAGR
REZI
REZI
Annualised
REZI
12.9%
1.7%
FSLR

Income Statement — Q1 FY2026 vs Q4 FY2025

Metric
FSLR
FSLR
REZI
REZI
Revenue
$1.0B
$1.9B
Net Profit
$346.6M
$136.0M
Gross Margin
46.6%
29.6%
Operating Margin
33.1%
7.4%
Net Margin
33.2%
7.2%
Revenue YoY
23.6%
2.0%
Net Profit YoY
65.4%
491.3%
EPS (diluted)
$3.22
$0.99

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
REZI
REZI
Q1 26
$1.0B
Q4 25
$1.7B
$1.9B
Q3 25
$1.6B
$1.9B
Q2 25
$1.1B
$1.9B
Q1 25
$844.6M
$1.8B
Q4 24
$1.5B
$1.9B
Q3 24
$887.7M
$1.8B
Q2 24
$1.0B
$1.6B
Net Profit
FSLR
FSLR
REZI
REZI
Q1 26
$346.6M
Q4 25
$520.9M
$136.0M
Q3 25
$455.9M
$156.0M
Q2 25
$341.9M
$-825.0M
Q1 25
$209.5M
$6.0M
Q4 24
$393.1M
$23.0M
Q3 24
$313.0M
$20.0M
Q2 24
$349.4M
$30.0M
Gross Margin
FSLR
FSLR
REZI
REZI
Q1 26
46.6%
Q4 25
39.5%
29.6%
Q3 25
38.3%
29.8%
Q2 25
45.6%
29.3%
Q1 25
40.8%
28.9%
Q4 24
37.5%
28.5%
Q3 24
50.2%
28.7%
Q2 24
49.4%
28.1%
Operating Margin
FSLR
FSLR
REZI
REZI
Q1 26
33.1%
Q4 25
32.6%
7.4%
Q3 25
29.2%
8.3%
Q2 25
33.0%
9.1%
Q1 25
26.2%
7.7%
Q4 24
30.2%
7.8%
Q3 24
36.3%
6.9%
Q2 24
36.9%
7.7%
Net Margin
FSLR
FSLR
REZI
REZI
Q1 26
33.2%
Q4 25
31.0%
7.2%
Q3 25
28.6%
8.4%
Q2 25
31.2%
-42.5%
Q1 25
24.8%
0.3%
Q4 24
26.0%
1.2%
Q3 24
35.3%
1.1%
Q2 24
34.6%
1.9%
EPS (diluted)
FSLR
FSLR
REZI
REZI
Q1 26
$3.22
Q4 25
$4.84
$0.99
Q3 25
$4.24
$0.85
Q2 25
$3.18
$-5.59
Q1 25
$1.95
$-0.02
Q4 24
$3.66
$0.06
Q3 24
$2.91
$0.07
Q2 24
$3.25
$0.19

Balance Sheet & Financial Strength

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

Metric
FSLR
FSLR
REZI
REZI
Cash + ST InvestmentsLiquidity on hand
$2.4B
$661.0M
Total DebtLower is stronger
$425.8M
$3.2B
Stockholders' EquityBook value
$9.9B
$2.9B
Total Assets
$13.4B
$8.4B
Debt / EquityLower = less leverage
0.04×
1.11×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
FSLR
FSLR
REZI
REZI
Q1 26
$2.4B
Q4 25
$2.8B
$661.0M
Q3 25
$2.0B
$345.0M
Q2 25
$1.1B
$753.0M
Q1 25
$837.6M
$577.0M
Q4 24
$1.6B
$692.0M
Q3 24
$1.0B
$531.0M
Q2 24
$1.7B
$413.0M
Total Debt
FSLR
FSLR
REZI
REZI
Q1 26
$425.8M
Q4 25
$3.2B
Q3 25
$3.2B
Q2 25
$2.0B
Q1 25
$2.0B
Q4 24
$2.0B
Q3 24
$2.0B
Q2 24
$2.0B
Stockholders' Equity
FSLR
FSLR
REZI
REZI
Q1 26
$9.9B
Q4 25
$9.5B
$2.9B
Q3 25
$9.0B
$2.8B
Q2 25
$8.5B
$2.6B
Q1 25
$8.2B
$3.3B
Q4 24
$8.0B
$3.3B
Q3 24
$7.6B
$3.4B
Q2 24
$7.3B
$3.3B
Total Assets
FSLR
FSLR
REZI
REZI
Q1 26
$13.4B
Q4 25
$13.3B
$8.4B
Q3 25
$13.5B
$8.2B
Q2 25
$12.9B
$8.5B
Q1 25
$12.1B
$8.1B
Q4 24
$12.1B
$8.2B
Q3 24
$11.4B
$8.1B
Q2 24
$11.0B
$8.0B
Debt / Equity
FSLR
FSLR
REZI
REZI
Q1 26
0.04×
Q4 25
1.11×
Q3 25
1.17×
Q2 25
0.77×
Q1 25
0.60×
Q4 24
0.61×
Q3 24
0.60×
Q2 24
0.61×

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
REZI
REZI
Operating Cash FlowLast quarter
$-214.9M
$299.0M
Free Cash FlowOCF − Capex
$262.0M
FCF MarginFCF / Revenue
13.8%
Capex IntensityCapex / Revenue
2.0%
Cash ConversionOCF / Net Profit
-0.62×
2.20×
TTM Free Cash FlowTrailing 4 quarters
$-1.3B

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
FSLR
FSLR
REZI
REZI
Q1 26
$-214.9M
Q4 25
$1.2B
$299.0M
Q3 25
$1.3B
$-1.6B
Q2 25
$149.6M
$200.0M
Q1 25
$-608.0M
$-65.0M
Q4 24
$811.0M
$203.0M
Q3 24
$-53.7M
$147.0M
Q2 24
$193.0M
$92.0M
Free Cash Flow
FSLR
FSLR
REZI
REZI
Q1 26
Q4 25
$1.1B
$262.0M
Q3 25
$1.1B
$-1.6B
Q2 25
$-138.6M
$180.0M
Q1 25
$-813.9M
$-96.0M
Q4 24
$497.5M
$181.0M
Q3 24
$-487.7M
$125.0M
Q2 24
$-172.1M
$77.0M
FCF Margin
FSLR
FSLR
REZI
REZI
Q1 26
Q4 25
63.6%
13.8%
Q3 25
67.1%
-85.8%
Q2 25
-12.6%
9.3%
Q1 25
-96.4%
-5.4%
Q4 24
32.9%
9.7%
Q3 24
-54.9%
6.8%
Q2 24
-17.0%
4.8%
Capex Intensity
FSLR
FSLR
REZI
REZI
Q1 26
Q4 25
10.2%
2.0%
Q3 25
12.8%
1.5%
Q2 25
26.3%
1.0%
Q1 25
24.4%
1.8%
Q4 24
20.7%
1.2%
Q3 24
48.9%
1.2%
Q2 24
36.1%
0.9%
Cash Conversion
FSLR
FSLR
REZI
REZI
Q1 26
-0.62×
Q4 25
2.38×
2.20×
Q3 25
2.79×
-10.07×
Q2 25
0.44×
Q1 25
-2.90×
-10.83×
Q4 24
2.06×
8.83×
Q3 24
-0.17×
7.35×
Q2 24
0.55×
3.07×

Financial Flow Comparison

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

Revenue Breakdown by Segment

FSLR
FSLR

Segment breakdown not available.

REZI
REZI

ADI Global Distribution Segment$1.2B62%
Safety And Security$257.0M14%
Air$211.0M11%
Energy Service$153.0M8%
Public Utilities Inventory Water$91.0M5%

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