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Side-by-side financial comparison of Align Technology (ALGN) 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 $1.0B, roughly 1.6× Align Technology). First Solar runs the higher net margin — 31.0% vs 13.0%, a 18.0% gap on every dollar of revenue. On growth, First Solar posted the faster year-over-year revenue change (11.1% vs 5.3%). First Solar produced more free cash flow last quarter ($1.1B vs $187.3M). Over the past eight quarters, First Solar's revenue compounded faster (45.6% CAGR vs 2.5%).

Align Technology, Inc., a medical device company, designs, manufactures, and markets Invisalign clear aligners and iTero intraoral scanners and services for orthodontists and general practitioner dentists, and restorative and aesthetic dentistry. It operates in two segments, Clear Aligner; and Scanners and Services. The Clear Aligner segment consists of comprehensive products, including Invisalign comprehensive treatment that addresses the orthodontic needs of teenage patients, such as mandib...

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.

ALGN vs FSLR — Head-to-Head

Bigger by revenue
FSLR
FSLR
1.6× larger
FSLR
$1.7B
$1.0B
ALGN
Growing faster (revenue YoY)
FSLR
FSLR
+5.9% gap
FSLR
11.1%
5.3%
ALGN
Higher net margin
FSLR
FSLR
18.0% more per $
FSLR
31.0%
13.0%
ALGN
More free cash flow
FSLR
FSLR
$882.9M more FCF
FSLR
$1.1B
$187.3M
ALGN
Faster 2-yr revenue CAGR
FSLR
FSLR
Annualised
FSLR
45.6%
2.5%
ALGN

Income Statement — Q4 FY2025 vs Q4 FY2025

Metric
ALGN
ALGN
FSLR
FSLR
Revenue
$1.0B
$1.7B
Net Profit
$135.8M
$520.9M
Gross Margin
65.3%
39.5%
Operating Margin
14.8%
32.6%
Net Margin
13.0%
31.0%
Revenue YoY
5.3%
11.1%
Net Profit YoY
30.8%
32.5%
EPS (diluted)
$1.88
$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
ALGN
ALGN
FSLR
FSLR
Q4 25
$1.0B
$1.7B
Q3 25
$995.7M
$1.6B
Q2 25
$1.0B
$1.1B
Q1 25
$979.3M
$844.6M
Q4 24
$995.2M
$1.5B
Q3 24
$977.9M
$887.7M
Q2 24
$1.0B
$1.0B
Q1 24
$997.4M
$794.1M
Net Profit
ALGN
ALGN
FSLR
FSLR
Q4 25
$135.8M
$520.9M
Q3 25
$56.8M
$455.9M
Q2 25
$124.6M
$341.9M
Q1 25
$93.2M
$209.5M
Q4 24
$103.8M
$393.1M
Q3 24
$116.0M
$313.0M
Q2 24
$96.6M
$349.4M
Q1 24
$105.0M
$236.6M
Gross Margin
ALGN
ALGN
FSLR
FSLR
Q4 25
65.3%
39.5%
Q3 25
64.2%
38.3%
Q2 25
69.9%
45.6%
Q1 25
69.5%
40.8%
Q4 24
70.0%
37.5%
Q3 24
69.7%
50.2%
Q2 24
70.3%
49.4%
Q1 24
70.0%
43.6%
Operating Margin
ALGN
ALGN
FSLR
FSLR
Q4 25
14.8%
32.6%
Q3 25
9.7%
29.2%
Q2 25
16.1%
33.0%
Q1 25
13.4%
26.2%
Q4 24
14.5%
30.2%
Q3 24
16.6%
36.3%
Q2 24
14.3%
36.9%
Q1 24
15.5%
30.6%
Net Margin
ALGN
ALGN
FSLR
FSLR
Q4 25
13.0%
31.0%
Q3 25
5.7%
28.6%
Q2 25
12.3%
31.2%
Q1 25
9.5%
24.8%
Q4 24
10.4%
26.0%
Q3 24
11.9%
35.3%
Q2 24
9.4%
34.6%
Q1 24
10.5%
29.8%
EPS (diluted)
ALGN
ALGN
FSLR
FSLR
Q4 25
$1.88
$4.84
Q3 25
$0.78
$4.24
Q2 25
$1.72
$3.18
Q1 25
$1.27
$1.95
Q4 24
$1.40
$3.66
Q3 24
$1.55
$2.91
Q2 24
$1.28
$3.25
Q1 24
$1.39
$2.20

Balance Sheet & Financial Strength

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

Metric
ALGN
ALGN
FSLR
FSLR
Cash + ST InvestmentsLiquidity on hand
$1.1B
$2.8B
Total DebtLower is stronger
Stockholders' EquityBook value
$4.0B
$9.5B
Total Assets
$6.2B
$13.3B
Debt / EquityLower = less leverage

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
ALGN
ALGN
FSLR
FSLR
Q4 25
$1.1B
$2.8B
Q3 25
$1.0B
$2.0B
Q2 25
$901.2M
$1.1B
Q1 25
$873.0M
$837.6M
Q4 24
$1.0B
$1.6B
Q3 24
$1.0B
$1.0B
Q2 24
$761.4M
$1.7B
Q1 24
$865.8M
$1.7B
Stockholders' Equity
ALGN
ALGN
FSLR
FSLR
Q4 25
$4.0B
$9.5B
Q3 25
$4.0B
$9.0B
Q2 25
$3.9B
$8.5B
Q1 25
$3.8B
$8.2B
Q4 24
$3.9B
$8.0B
Q3 24
$3.9B
$7.6B
Q2 24
$3.8B
$7.3B
Q1 24
$3.8B
$6.9B
Total Assets
ALGN
ALGN
FSLR
FSLR
Q4 25
$6.2B
$13.3B
Q3 25
$6.2B
$13.5B
Q2 25
$6.2B
$12.9B
Q1 25
$6.1B
$12.1B
Q4 24
$6.2B
$12.1B
Q3 24
$6.4B
$11.4B
Q2 24
$6.2B
$11.0B
Q1 24
$6.2B
$10.8B

Cash Flow & Capital Efficiency

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

Metric
ALGN
ALGN
FSLR
FSLR
Operating Cash FlowLast quarter
$223.2M
$1.2B
Free Cash FlowOCF − Capex
$187.3M
$1.1B
FCF MarginFCF / Revenue
17.9%
63.6%
Capex IntensityCapex / Revenue
3.4%
10.2%
Cash ConversionOCF / Net Profit
1.64×
2.38×
TTM Free Cash FlowTrailing 4 quarters
$490.8M
$1.2B

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
ALGN
ALGN
FSLR
FSLR
Q4 25
$223.2M
$1.2B
Q3 25
$188.7M
$1.3B
Q2 25
$128.7M
$149.6M
Q1 25
$52.7M
$-608.0M
Q4 24
$286.1M
$811.0M
Q3 24
$263.7M
$-53.7M
Q2 24
$159.8M
$193.0M
Q1 24
$28.7M
$267.7M
Free Cash Flow
ALGN
ALGN
FSLR
FSLR
Q4 25
$187.3M
$1.1B
Q3 25
$169.0M
$1.1B
Q2 25
$107.2M
$-138.6M
Q1 25
$27.4M
$-813.9M
Q4 24
$263.1M
$497.5M
Q3 24
$233.9M
$-487.7M
Q2 24
$106.4M
$-172.1M
Q1 24
$19.3M
$-145.7M
FCF Margin
ALGN
ALGN
FSLR
FSLR
Q4 25
17.9%
63.6%
Q3 25
17.0%
67.1%
Q2 25
10.6%
-12.6%
Q1 25
2.8%
-96.4%
Q4 24
26.4%
32.9%
Q3 24
23.9%
-54.9%
Q2 24
10.3%
-17.0%
Q1 24
1.9%
-18.4%
Capex Intensity
ALGN
ALGN
FSLR
FSLR
Q4 25
3.4%
10.2%
Q3 25
2.0%
12.8%
Q2 25
2.1%
26.3%
Q1 25
2.6%
24.4%
Q4 24
2.3%
20.7%
Q3 24
3.0%
48.9%
Q2 24
5.2%
36.1%
Q1 24
0.9%
52.1%
Cash Conversion
ALGN
ALGN
FSLR
FSLR
Q4 25
1.64×
2.38×
Q3 25
3.33×
2.79×
Q2 25
1.03×
0.44×
Q1 25
0.57×
-2.90×
Q4 24
2.76×
2.06×
Q3 24
2.27×
-0.17×
Q2 24
1.66×
0.55×
Q1 24
0.27×
1.13×

Financial Flow Comparison

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

Revenue Breakdown by Segment

ALGN
ALGN

Systems And Services$789.6M75%
Other$258.0M25%

FSLR
FSLR

Segment breakdown not available.

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