Amkor Technology
AMKR · Semiconductors
$39.30
0.6%First Solar
FSLR · Semiconductors
$171.99
0.4%The short version
- Amkor Technology is the larger business, with $6.7B of revenue in fiscal 2025 against $5.2B for First Solar.
- First Solar grew revenue faster (24.1%, against 6.2%).
- First Solar kept more of each dollar of sales as operating profit (30.6% operating margin, against 7.0% operating margin).
- First Solar turned more of its sales into free cash flow (22.8% FCF margin, against 2.9% FCF margin).
- First Solar earned a higher return on the capital invested in it (22.7%, against 10.4%).
- Investors pay more for each dollar of Amkor Technology’s earnings: a P/E of 22.5x against 10.6x for First Solar.
| Latest fiscal year | AMKR · FY25 | FSLR · FY25 |
|---|---|---|
| Size | ||
| Market cap | $9.8B | $18.5B |
| Revenue | $6.7B | $5.2B |
| Free cash flow | $191M | $1.2B |
| Net income | $374M | $1.5B |
| Growth | ||
| Revenue growth | 6.2% | 24.1% |
| 5-year growth | 5.8% | 14.0% |
| Share count change | 0.3% | 0.0% |
| Profitability | ||
| Gross margin | 14.0% | 40.6% |
| Operating margin | 7.0% | 30.6% |
| Net margin | 5.6% | 29.3% |
| FCF margin | 2.9% | 22.8% |
| Return on capital | 10.4% | 22.7% |
| Return on equity | 8.7% | 17.5% |
| Balance sheet | ||
| Net debt | −$560M | −$2.5B |
| Net debt / EBITDA | −0.5x | −1.2x |
| Dividends and buybacks | $81.9M | $0.0M |
| Valuation & quality | ||
| P/E | 22.5x | 10.6x |
| Piotroski F-score | 6 | 7 |
FY16
AMKR $3.9B
FSLR $2.9B
FY17
AMKR $4.2B
FSLR $2.9B
FY18
AMKR $4.3B
FSLR $2.2B
FY19
AMKR $4.1B
FSLR $3.1B
FY20
AMKR $5.1B
FSLR $2.7B
FY21
AMKR $6.1B
FSLR $2.9B
FY22
AMKR $7.1B
FSLR $2.6B
FY23
AMKR $6.5B
FSLR $3.3B
FY24
AMKR $6.3B
FSLR $4.2B
FY25
AMKR $6.7B
FSLR $5.2B
AMKR
FSLR
FY16
AMKR 7.9%
FSLR −19.6%
FY17
AMKR 9.6%
FSLR 6.1%
FY18
AMKR 6.0%
FSLR 1.8%
FY19
AMKR 5.8%
FSLR −5.3%
FY20
AMKR 9.1%
FSLR 11.7%
FY21
AMKR 12.4%
FSLR 20.1%
FY22
AMKR 12.7%
FSLR −1.0%
FY23
AMKR 7.2%
FSLR 25.8%
FY24
AMKR 6.9%
FSLR 33.2%
FY25
AMKR 7.0%
FSLR 30.6%
AMKR
FSLR
FY16
AMKR $79.4M
FSLR −$22.7M
FY17
AMKR $67.3M
FSLR $826M
FY18
AMKR $116M
FSLR −$1.1B
FY19
AMKR $91.4M
FSLR −$495M
FY20
AMKR $217M
FSLR −$380M
FY21
AMKR $342M
FSLR −$303M
FY22
AMKR $190M
FSLR −$30.2M
FY23
AMKR $521M
FSLR −$785M
FY24
AMKR $345M
FSLR −$308M
FY25
AMKR $191M
FSLR $1.2B
AMKR
FSLR
FY16
AMKR 11.0%
FSLR —
FY17
AMKR 15.3%
FSLR 2.7%
FY18
AMKR 7.6%
FSLR 1.4%
FY19
AMKR 7.4%
FSLR −3.9%
FY20
AMKR 16.2%
FSLR 8.5%
FY21
AMKR 25.0%
FSLR 11.4%
FY22
AMKR 24.3%
FSLR −0.4%
FY23
AMKR 10.6%
FSLR 18.8%
FY24
AMKR 10.0%
FSLR 22.0%
FY25
AMKR 10.4%
FSLR 22.7%
AMKR
FSLR
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Each company's latest fiscal year; fiscal years end in different months. The best value in each row is highlighted where higher (or lower) is clearly better. Not investment advice.