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

First Solar is the larger business by last-quarter revenue ($1.0B vs $795.3M, roughly 1.3× AAR CORP). First Solar runs the higher net margin — 33.2% vs 4.4%, a 28.8% gap on every dollar of revenue. On growth, First Solar posted the faster year-over-year revenue change (23.6% vs 15.9%).

AAR Corp. is an American provider of aircraft maintenance services to commercial and government customers worldwide. The company is headquartered in Wood Dale, Illinois, a Chicago suburb. The company employs about 6,000 people, operating in about 30 different countries. John Holmes is the current CEO.

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.

AIR vs FSLR — Head-to-Head

Bigger by revenue
FSLR
FSLR
1.3× larger
FSLR
$1.0B
$795.3M
AIR
Growing faster (revenue YoY)
FSLR
FSLR
+7.7% gap
FSLR
23.6%
15.9%
AIR
Higher net margin
FSLR
FSLR
28.8% more per $
FSLR
33.2%
4.4%
AIR

Income Statement — Q2 FY2026 vs Q1 FY2026

Metric
AIR
AIR
FSLR
FSLR
Revenue
$795.3M
$1.0B
Net Profit
$34.6M
$346.6M
Gross Margin
19.7%
46.6%
Operating Margin
6.0%
33.1%
Net Margin
4.4%
33.2%
Revenue YoY
15.9%
23.6%
Net Profit YoY
213.1%
65.4%
EPS (diluted)
$0.90
$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
AIR
AIR
FSLR
FSLR
Q1 26
$1.0B
Q4 25
$795.3M
$1.7B
Q3 25
$739.6M
$1.6B
Q2 25
$1.1B
Q1 25
$844.6M
Q4 24
$1.5B
Q3 24
$887.7M
Q2 24
$1.0B
Net Profit
AIR
AIR
FSLR
FSLR
Q1 26
$346.6M
Q4 25
$34.6M
$520.9M
Q3 25
$34.4M
$455.9M
Q2 25
$341.9M
Q1 25
$209.5M
Q4 24
$393.1M
Q3 24
$313.0M
Q2 24
$349.4M
Gross Margin
AIR
AIR
FSLR
FSLR
Q1 26
46.6%
Q4 25
19.7%
39.5%
Q3 25
18.1%
38.3%
Q2 25
45.6%
Q1 25
40.8%
Q4 24
37.5%
Q3 24
50.2%
Q2 24
49.4%
Operating Margin
AIR
AIR
FSLR
FSLR
Q1 26
33.1%
Q4 25
6.0%
32.6%
Q3 25
6.4%
29.2%
Q2 25
33.0%
Q1 25
26.2%
Q4 24
30.2%
Q3 24
36.3%
Q2 24
36.9%
Net Margin
AIR
AIR
FSLR
FSLR
Q1 26
33.2%
Q4 25
4.4%
31.0%
Q3 25
4.7%
28.6%
Q2 25
31.2%
Q1 25
24.8%
Q4 24
26.0%
Q3 24
35.3%
Q2 24
34.6%
EPS (diluted)
AIR
AIR
FSLR
FSLR
Q1 26
$3.22
Q4 25
$0.90
$4.84
Q3 25
$0.95
$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
AIR
AIR
FSLR
FSLR
Cash + ST InvestmentsLiquidity on hand
$75.6M
$2.4B
Total DebtLower is stronger
$952.7M
$425.8M
Stockholders' EquityBook value
$1.6B
$9.9B
Total Assets
$3.2B
$13.4B
Debt / EquityLower = less leverage
0.61×
0.04×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
AIR
AIR
FSLR
FSLR
Q1 26
$2.4B
Q4 25
$75.6M
$2.8B
Q3 25
$80.0M
$2.0B
Q2 25
$1.1B
Q1 25
$837.6M
Q4 24
$1.6B
Q3 24
$1.0B
Q2 24
$1.7B
Total Debt
AIR
AIR
FSLR
FSLR
Q1 26
$425.8M
Q4 25
$952.7M
Q3 25
$1.0B
Q2 25
Q1 25
Q4 24
Q3 24
Q2 24
Stockholders' Equity
AIR
AIR
FSLR
FSLR
Q1 26
$9.9B
Q4 25
$1.6B
$9.5B
Q3 25
$1.2B
$9.0B
Q2 25
$8.5B
Q1 25
$8.2B
Q4 24
$8.0B
Q3 24
$7.6B
Q2 24
$7.3B
Total Assets
AIR
AIR
FSLR
FSLR
Q1 26
$13.4B
Q4 25
$3.2B
$13.3B
Q3 25
$2.9B
$13.5B
Q2 25
$12.9B
Q1 25
$12.1B
Q4 24
$12.1B
Q3 24
$11.4B
Q2 24
$11.0B
Debt / Equity
AIR
AIR
FSLR
FSLR
Q1 26
0.04×
Q4 25
0.61×
Q3 25
0.82×
Q2 25
Q1 25
Q4 24
Q3 24
Q2 24

Cash Flow & Capital Efficiency

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

Metric
AIR
AIR
FSLR
FSLR
Operating Cash FlowLast quarter
$13.6M
$-214.9M
Free Cash FlowOCF − Capex
$6.2M
FCF MarginFCF / Revenue
0.8%
Capex IntensityCapex / Revenue
0.9%
Cash ConversionOCF / Net Profit
0.39×
-0.62×
TTM Free Cash FlowTrailing 4 quarters

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
AIR
AIR
FSLR
FSLR
Q1 26
$-214.9M
Q4 25
$13.6M
$1.2B
Q3 25
$-44.9M
$1.3B
Q2 25
$149.6M
Q1 25
$-608.0M
Q4 24
$811.0M
Q3 24
$-53.7M
Q2 24
$193.0M
Free Cash Flow
AIR
AIR
FSLR
FSLR
Q1 26
Q4 25
$6.2M
$1.1B
Q3 25
$-53.6M
$1.1B
Q2 25
$-138.6M
Q1 25
$-813.9M
Q4 24
$497.5M
Q3 24
$-487.7M
Q2 24
$-172.1M
FCF Margin
AIR
AIR
FSLR
FSLR
Q1 26
Q4 25
0.8%
63.6%
Q3 25
-7.2%
67.1%
Q2 25
-12.6%
Q1 25
-96.4%
Q4 24
32.9%
Q3 24
-54.9%
Q2 24
-17.0%
Capex Intensity
AIR
AIR
FSLR
FSLR
Q1 26
Q4 25
0.9%
10.2%
Q3 25
1.2%
12.8%
Q2 25
26.3%
Q1 25
24.4%
Q4 24
20.7%
Q3 24
48.9%
Q2 24
36.1%
Cash Conversion
AIR
AIR
FSLR
FSLR
Q1 26
-0.62×
Q4 25
0.39×
2.38×
Q3 25
-1.31×
2.79×
Q2 25
0.44×
Q1 25
-2.90×
Q4 24
2.06×
Q3 24
-0.17×
Q2 24
0.55×

Financial Flow Comparison

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

Revenue Breakdown by Segment

AIR
AIR

Commercial Customer$268.1M34%
Repair And Engineering$244.5M31%
Integrated Solutions$175.8M22%
Government And Defense Customer$85.5M11%
Expeditionary Services$21.4M3%

FSLR
FSLR

Segment breakdown not available.

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